Diesel Engine Crusher

The Diesel Engine Crusher is mainly used in some place that don't have enough electricity or without electricity. The Diesel Engine Crusher can do the middle or fine crushing for every kind of rocks and stones.

  The Diesel  Engine Crusher is in compact structure, easy usage and simple operation. We also can do portable (mobile) ones as clients' request.

Features Of Diesel Engine Crusher in my company:

Move easily.

It can go to the crushing place where is difficult to go. It not only can drive on the smooth road, but also on the bumpy road.

Compact structure and simple operation. Save the cost. Crush the materials on site, reduce the transportation cost.

Wide application.

the crushing plant can work as independent unit; work with other unit to do primary and secondary crushing; work with two other units to do primary, secondary, and fine crushing; working as a production line with the screening equipment (firstly screening then crushing, or firstly crushing then screening.)

Good performance and convenient maintenance. he crushers, vibrating feeders, and vibrating screens are from Shanghai Joyal Heavy Industry, so the quality is reliable and stable. Material is delivered by belt conveyors, which is simple in operation, easy maintenance, and low investment.

Flexible configuration.

By the way, if you buy a large amount of equipments, we can give you a certain discount that other companies cannot offer. And we can assure the good quality of our products and offer best after-sale service.

http://www.smecrusher.com/solution/diesel-engine-crusher/

Jaw crusher for iron ore is your best choice

The PE Jaw Crusher is widely used in mining, building materials, chemical industry, metallurgy and so on. The Jaw Crusher is suitable for primary and secondary crushing all kinds of minerals and rocks with compressive strength less than 320 MPa.

This series of jaw crusher can reach the crushing ratio of 4-6 and the shape of final product is even. Jaw crushers are widely applied to crush high hardness, mid hardness and soft rocks and ores such as slags, construction materials, marble, etc. The pressure resistance strength is under 200Mpa, that is, suitable for primary crush.Jaw Crusher can be used in mining, metallurgical industry, construction, road and railway building, conversancy, chemistry, etc.

Working Principle Of Jaw Crusher:

The strip and strip pulley of Jaw Crusher are driven by a motor, and the movable jaw moves up and down via eccentric shaft. The angle between fixed jaw and movable jaw becomes smaller when the movable jaw runs down, then the materials are crushed into pieces. The Jaw Crusher will become bigger when the movable jaw runs up. The movable jaw board leaves the fixed jaw board under the action of pole and spring , then the end products come out from the crushing cavity.

Features Of Jaw Crusher:

1. Simple structure, easy maintenance;
2. High crushing ratio, even output granularity;
3. High reliability, low investment;
4. Low noise, less dust.

Jaw Crusher Operating principle:

This jaw crusher uses motor as its power. Through the motor's wheels, the eccentric shaft is driven by the triangle belt and slot wheel to make the movable jaw plate move by a regulated track. Therefore, the materials in the crushing cavity composed of fixed jaw plate, movable jaw plate and side-lee board can be crushed and discharged through the discharging opening.

SBM is a professional manufacturer of iron ore crusher and iron ore crushing plant. The commonest iron ore crusher is SBM JCE jaw crusher and hydraulic cone crusher. In addition, SBM supply stationary crushers, such as spring cone crusher, impact crusher, PE jaw crusher, JCE jaw crusher, hammer crusher, and mobile crusher. SBM crusher is you best choice for crushing iron ore.

sandstone crusher – stone crusher machine for slag

Slag Crusher is the key component in coal gasification process. It is installed between the bottom of the chilling chamber and the lockhopper. It is used to crush slag and came off fire-proof bricks, the purpose is to avoid the accumulation of slag which will cause the whole system to stop.
The shell of the slag crusher is a pressure vessel, its top part connects with the bottom of the chilling chamber of the gasification furnace; its bottom part connects with the lockhopper. The moving gear is mounted eccentricly on the barrel, marble stone crusher and the dead gear and the moving gear make relative movement. Slag is continuously crushed. There are guiding baffles above the dead gear and the moving gear, this measure ensures that all the slag pass through the crushing system and no accumulation of uncrushed slag above the moving gear.

Slag Crusher
With more and more widely Grinding mill, slag production line also will be more and more. Slag production line established to reduce a large part of the labor force, operating efficiency is greatly improved.
Working process of the Slag production line:
The production process of the slag production line can be included as : (storage ) ->vibrating feeder ->jaw crusher ->impact crusher ->vibrating screen ->final products .And all of the equipments are connected by the belt conveyor and chutes . The production process of the sand-making production line can be included as : (storage ) ->vibrating feeder ->jaw stone crusher ->grinding mill-> vibrating screen ->final products .And all of the equipments are connected by the belt conveyor and chutes .
Steel Slag Crushing Plant
The blend of steel slag and GGBS in a ratio of one to two used as cement admixture.And all the preformance of cement could meet the requirements of GB175-2007 if the content of this mixture were 30%,50% and 80%respectively. This phenomena could be explained by following reasons:the continuity of the particle size distribution was improved, the rate of hydration of steel slag was accelerated by the addition of actibator, and consequently to accelerate the hydration rate of slag, so that the activity of the admixture was increases,Applying this kind of mixture as Portland cement admixture should be recommended.

Now industry is so advanced, can not do without the exploitation and utilization of mineral resources, but with the exploitation of mineral resources, increasing resources, mineral resources utilization can not be hundred percent complete, the slag is a waste. The slag can be recycled or reused. Slag can be used to make the cement raw materials, or sand material.

There are several typical Steel Slag stone crusher machine in the Steel slag crushing plant that are jaw crusher, cone crusher and impact crusher. These crushers are all classic Steel crushing equipment.

gravel crusher

The character of Gravel:

Gravel is rock that is of a specific particle size range. Specifically, it is any loose rock that is larger than 2 mm (0.079 in) in its smallest dimension (about 1/12 of an inch) and no more than 64 mm (2.5 in). The next smaller size class in geology is sand, which is >0.0625 to 2 mm (0.0025 to 0.0787 in) in size. The next larger size is cobble, which is >64 to 256 mm (2.5 to 10.1 in). Gravel can be sub-categorized into granule (>2 to 4 mm/0.079 to 0.16 in) and pebble (>4 to 64 mm/0.16 to 2.5 in). One cubic yard of gravel typically weighs about 3000 pounds (or a cubic meter is about 1,800 kilograms).

Gravel is an important commercial product, with a number of applications. Many roadways are surfaced with gravel, especially in rural areas where there is little traffic. Globally, far more roads are surfaced with gravel than with concrete or tarmac; Russia alone has over 400,000 km (250,000 mi) of gravel-surfaced roads. Both sand and small gravel are also important for the manufacture of concrete.

Gravel crushing plant:

Therefore gravel quarry and gravel mining is very important. You need to be careful when choosing gravel crusher. There are many types for gravel mining. Jaw crusher can be used as primary gravel crusher equipment. You can change its finished size according to your requirements just by adjusting the devices. Impact crusher is often used as secondary gravel crusher equipment. The spotlight of impact crusher for gravel crushing is that the finished size is of uniform since its finished power is in good, cubic shape and without tensility and cranny. The final product of the impact crusher is greatly used in highway and railway surface as well as water and electricity industry. Impact crusher is the ideal choice for gravel crushing and screening.

SBM is professional gravel mining equipment manufacturer and exporter. We will send professional engineers for your gravel crusher installation and maintenance. If you are interested in our gravel crusher equipment, you can contact us directly by phone or email and you can also ask it through our 24 hours online services.

sandstone crusher concrete crusher construction waste recycling sand making machine coal mining equipment stone crushing plant gold crusher iron ore crusher vibrating feeder screw conveyor ball mill coal mill crusher machine ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher

quartz crusher

Quartzite are snowy white, less often pink or gray. Quartzite stone generally has blocky structure, which contains small amounts of feldspar, mica stone, amphibole, pyroxene, etc. They yield a thin and very barren soil and people usually find them in hills and mountains and can be used as building materials or railway ballast stone.
Quartz crusher is the major mining crusher equipment to crush quartzite stone, and SBM is the major mining crushing machine manufacturer in China. Usually, quartz crusher can be called as quartz grinder.
Quartz crusher is suitable for crushing materials with particle size more than 3mm. SBM quartz crusher also can used as slag crusher, lime stone crusher, granite crusher, iron ore crusher, marble crusher and so on.
SBM quartz crusher contains PE jaw crusher, JC jaw crusher, PF impact crusher, PFW impact crusher, cone crusher, VSI crusher and mobile crusher. The quartz crushing units can be seen in the vicinity of almost all major cities and towns.
Quartz sand production line:
The quartz sand production line mainly includes vibration feeder, quartz crusher (jaw crusher, cone crusher etc.), vibrating screen, belt conveyer and other crusher equipment. According to different requirements of different customers, various types of mining equipment can be provided.
The typical production process of quartz sand production line roughly is: hopper -> vibrating feeder -> jaw crusher(primary crusher equipment)-> impact crusher(secondary crusher equipment) -> vibrating screen -> conveyor-> finished stone. Chute or belt conveyor is needed between the mining machinery.
About SBM quartz crusher and quartz grinder:
We are considered as one of the prime Quartz Crusher Plant Manufacturers in China. Quartz Crusher is a machine that is used in crushing of hard Quartz pieces in fine particle and powder form. The Quartz Crusher Machine that we manufacture is laden with new technologies that help in enhancing its efficiency. It is highly durable and has proved its value by proficiently working at the client’s end. The Quartz Crusher machine that we provide finds application in various mineral processing and other industries. The timely delivery of the quartz cutter at highly competitive prices pleases our customers a lot.
Some news about quartz crusher using in Magenta Gold Mine:
Mining of the Magenta Reef commenced as an open cut operation in 1860. Earth, rock and quartz were excavated and carried out by horse and dray. As the open cut was extended, it was also widened.
Follow the gravel track around the northern end of the open cut to the fenced open stope. This enlarged tunnel or drive was worked at a depth of 30 m. The gold bearing ore was removed by excavating the roof of the drive and mining upwards.
Walk along the track to the site of the mine's quartz crusher or stamping battery. You might see part of the concrete foundations.
About 50 metres further south is the site of Place’s quartz crusher, the timber foundations can still be seen. This crusher operated independently of the Magenta Mine.

sandstone crusher equipment

Sandstone

Sandstone (sometimes known as arenite) is a sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any color, but the most common colors are tan, brown, yellow, red, gray and pink, white. Since sandstone beds often form highly visible cliffs and other topographic features, certain colors of sandstone have been strongly identified with certain regions.
Some sandstones are resistant to weathering, yet are easy to work. This makes sandstone a common building and paving material. However, some that have been used in the past, such as the Collyhurst sandstone used in North West England, have been found less resistant, necessitating repair and replacement in older buildings. Because of the hardness of the individual grains, uniformity of grain size and friability of their structure, some types of sandstone are excellent materials from which to make grindstones, for sharpening blades and other implements. Non-friable sandstone can be used to make grindstones for grinding grain, e.g., gritstone.
Rock formations that are primarily composed of sandstone usually allow percolation of water and other fluids and are porous enough to store large quantities, making them valuable aquifers and petroleum reservoirs. Fine-grained aquifers, such as sandstones, are more apt to filter out pollutants from the surface than are rocks with cracks and crevices, such as limestone or other rocks fractured by seismic activity.

sandstone type

Sandstones fall into several major groups based on their mineralogy and texture. Below is a partial list of common sandstone types.
quartz arenites are made up almost entirely of quartz grains, usually well sorted and rounded. These pure quartz sands result from extensive weathering that occurred before and during transport and removed everything but quartz, the most stable mineral. They are common in beach environments.
arkoses are more than 25 percent feldspar.[2] The grains tend to be poorly rounded and less well sorted than those of pure quartz sandstones. These feldspar-rich sandstones come from rapidly eroding granitic and metamorphic terrains where chemical weathering is subordinate to physical weathering.
lithic sandstones contain many lithic fragments derived from fine-grained rocks, mostly shales, volcanic rocks, and fine-grained metamorphic rocks.
graywacke is a heterogeneous mixture of lithic fragments and angular grains of quartz and feldspar, and/or grains surrounded by a fine-grained clay matrix. Much of this matrix is formed by relatively soft fragments, such as shale and some volcanic rocks, that are chemically altered and physically compacted after deep burial of the sandstone formation.
Eolianite is a term used for a rock which is composed of sand grains that show signs of significant transportation by wind. These have usually been deposited in desert environments. They are commonly extremely well sorted and rich in quartz.
Oolite is more a limestone than a sandstone, but is made of sand-sized carbonate ooids, and is common in saline beaches with gentle wave action.
Sandstone composition is (generally) based on the make up of the framework, or sand-sized grains in the sandstone. This is typically done by point-counting a thin section of the sandstone using a method like the Gazzi-Dickinson Method. The composition of a sandstone can have important information regarding the genesis of the sediment when used with QFL diagrams.

Sandstone Crusher

In the construction and quarry, the sandstone is getting more and more widely used. The crushed stone is used mostly as aggregate for road construction and maintenance. It is also used for making cement and lime and other chemical applications, and in agriculture. Our company is the major sandstone crusher manufacturer in China, we have many types crusher machines for your reference, like cone sandstone crusher series plant, impact crusher series plant, jaw sandstone crusher series plant, or our new product portable series sandstone crusher plant.
The portable sandstone crusher has excellent performances, the design idea is based on the client’s requirements, which clears faults of the crushing place, surroundings and the complex basic configurations. It is really supply simpler, high efficient and lower cost machines for clients.

quartz crusher for gold mining

Primary gold typically occurs in quartz veins. The extraction of gold ore from these hard quartz veins was historically referred to as quartz reef mining.
A Prussian engineer, Jacob Brache was the first to think that quartz reefs might have even more gold than alluvial fields.
The new mining companies had to sink very deep shafts to get quartz from the reefs deep underground. Horizontal tunnels called drives were dug out from the shaft at different levels to find the gold-bearing rock.
All rock dug out had to be hoisted to the surface. So did lots of water and even the workers at the end of the day. Big engines were installed to hoist lifts and buckets up the shafts.
On the surface above the shaft stands a building known as the poppet head or pit head. The poppet head contained a wheel called a gin wheel which lifted buckets of rock up to a raised platform called a Brace. Wheeled buckets then carried the rock along elevated tracks to waste dumps or processing works. The steel cable that hoisted the bucket passed over the gin wheel.

Quartz is the second most abundant mineral in the Earth's continental crust, after feldspar. It is made up of a continuous framework of SiO₄ silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall formula SiO₂.

There are many different varieties of quartz, several of which are semi-precious gemstones. Especially in Europe and the Middle East, varieties of quartz have been since antiquity the most commonly used minerals in the making of jewelry and hardstone carvings.

The gold was brought to the surface as small particles embedded in lumps of quartz. The quartz was then crushed into a fine dust by stamping batteries in a stamping mill. A stamping battery contained a row of stampers. On the bottom of each stamper was a heavy piece of steel. Each stamper was connected to the cam shaft which was turned by a water wheel. The steel shoes went up and down between wooden guides and pounded the quartz which had been fed into steel boxes underneath the stampers. Ideally the stamping batteries would work 24 hours a day.
After crushing, the quartz dust was mixed with water to make sloppy mud which then ran down sloping tables, called concentrating tables. On top of these tables were copper sheets coated with mercury, which attracts gold. The gold particles stuck to the mercury, and could be collected from there.

Crushing and grinding process is essential process in quartz sand, glass and ceramics production line. crushers

In crushing process, we use jaw crusher, impact crusher, cone crusher, vsi crusher and mobile crusher as quartz stone crusher machine. These crushers and belt conveyor, vibrating screen, vibrating feeder form a complete quartz crushing plant. Of course, glass crusher and ceramics crusher have differences. Natural Marbles are crushed into smaller ones in crushing process.

Crushed quartzs are grinded into powder in grinding process using quartz grinding mill. Ball mill, vertical mill,ultrafine mill is usually used in this process. These quartz grinding machines can form a complete grinding process. The finished size can upto 2500 mesh.

Cement Crusher Plant, Cement Crushing Equipment

Cement in powder form can be changed from plasticity paste to hard stone-like body and can become a total cemented granular materials through physical and chemical processes after being mixed with water. So cement is a good mineral binder. Cement can be not only hardened in the air, but also better hardened in the water in which it will maintain and develop strength. So cement is kind of cementitious material which will be of stronger hardness in water. Cement mil is used for cement grinding. Cement crusher is applied for cement crushing. In cement mining, you need to choose suitable cement grinding mill and cement crusher.

In cement production process, cement crusher is very important since most of the raw materials will have to be crushed before being used to process cement, such as limestone, clay, iron ore and coal, etc. Limestone is the largest amount of raw material during cement production. After limestone mining, limestone is generally of large size and high hardness. Therefore the limestone crushing is very important in the whole material crushing. Usually we choose jaw crusher for limestone crushing since jaw crusher is of easy principle, convenient maintainence and low cost. However, if the whole cement mining scale is of large size, we usually choose cone crusher or impact crusher to assit jaw crusher and to be secondary or tertiary cement crusher machine. Also cement conveyor is used to transport these materials to next procedure, such as vibrating cement screen to screen out required fineness. In some production sites, we use a whole mobile crusher to complete the whole cement crushing and screening production since the mobile crusher is equipped with jaw crusher, impact crusher or cone crusher, vibrating feeder,vibrating screen,etc.

Cement crusher is the important cement machine used in cement production line. General it is used in cement crushing plant. Big raw materials firstly are crushed by cement crusher, then appropriate raw materials dust enter into the cement mill for milling.

There are several types of cement crusher for choosing in cement grinding plant.

Limestone, coal, gypsum and clinker need to be crushed into right particle size for next grinding process in cement grinding plant.

Jaw crusher for cement plant: Jaw crusher is general used as primary cement crusher equipment in cement plant, its crushing ratio is 4-6, and crushing capacity is very satisfactory for big cement raw materials.

Cement impact crusher usually acted as medium cement crushing machine after coarse crushing which is capable of crushing mineral rocks with compressive strength up to 320 Mpa, and gives smooth running resulting power economy and higher efficiency. Except for crushing cement raw materials such as limestone, gypsum, bauxite, cement clinker, impact crusher (impactor) is widely used in hydroelectricity, highway, artificial rock, stone, sand, building material, etc.

Cement cone crusher is also widely used cement crusher in cement grinding plant, their structure is more perfect and the technology parameter is more advanced, so cemnet cone crushers have excellent performance in the aspects of manufacture, installation, use and maintenance etc.

Cement hammer crusher can crush medium-hard and crispy materials, such as limestone and coal with compression resistance less than 150MPa. It is mainly used in the cement plant, mineral, coal, electrical and chemical industries.

granite crusher and marble crusher

Granite Crusher is a common and widely occurring type of intrusive, felsic, igneous rock. Granite

dimension stone is used in buildings, bridges, paving, monuments and many other exterior

projects. Granite dimension stone is used in buildings, bridges, paving, monuments and many

other exterior projects. Granite is a prestige material, used in projects to produce

impressions of elegance and quality.

Uses of Granite:
1. Granite Countertops: One of the most familiar uses of granite in the United States is in

kitchen countertops.
2. Granite Building Stone: Granite blocks for construction can be rough on all sides or

finished on one or more sides.
3. Granite Paving Stone: Granite paving stones or “pavers” can make a colorful and

interesting way of paving a driveway or patio Marble Crusher.
4. Granite Memorial: Granite is the stone most often used as a grave marker in the United

States and many other countries.
5. Granite Backsplash: In addition to solid slab countertops, granite tiles can be used to

create a colorful and durable work station.
6. Granite Tile: Granite tiles are often used as flooring and wall panels to produce an

elegant, high-luster space.
7. Granite Facing Stone: In large construction projects granite can be used in two different

ways: 1) as a structural element, and 2) as decorative facing or veneer.
8. Granite Curbing: Granite is often used as a street curbing.
9. Granite Monument: Mount Rushmore, a granite monument in the Black Hills of South Dakota

is a tribute to George Washington, Thomas Jefferson, Theodore Roosevelt and Abraham Lincoln

that is carved directly into the mountain.
10. Granite Slabs: Projects begin with an idea and a rough piece of rock.

The granite will be entered the jaw crusher by the vibrating feeder, and then be entered the

vibrating screen by the belt conveyor to receive the screening. And after the crushing, the

particle will be entered the secondary or tertiary crushing equipment to receive the

screening and be transferred to the specific site by the belt conveyor. (instruction as

follows )

Raw materials of Granite vibrating feeder Jaw crusher impact crusher vibrating screen

belt conveyor Final products of Granite

New Zealand mine blast leaves 27 missing

Rescue workers are trying to contact 27 miners missing after an explosion at Pike River Coal Co’s coking mine on the west coast of New Zealand. mobile crusher
There hasn’t been any communication with the miners and it isn’t known if they are trapped or sheltering, Pike River Coal’s chief executive officer Peter Whittall said. Two miners emerged after the blast and indicated that three colleagues were on their way to the surface, police said in a statement.
Ventilation inside the mine may have been compromised by the explosion which took place about 4pm local time, police said. Minister of Energy and Resources Gerry Brownlee said he is travelling to the region and that a local mine rescue team had been activated.
There were no indications of “heightened risk” at the mine before today’s accident, according to Andrew Little, the national secretary of the Engineering, Printing & Manufacturing Union, which represents 71 of about 140 workers at the mine. vibrating screen 
“It’s a reasonably new mine and it’s only been in production for a year or so,” Little said. “They delayed production because they weren’t satisfied that the ventilation system was right so they’ve been pretty careful about that.”
Pike River, near Greymouth, is part-owned by India’s Gujarat NRE Coke Ltd and Saurashtra Fuels Pvt who also take part of its low-ash, low-phosphorus coking coal. The mine is forecast to produce 320,000-360,000t in the year ending June 30, the company said on October 19.
New Zealand’s last mining disaster occurred in 1967, when 19 people died in an explosion at the Strongman coal mine, also near Greymouth.
The company’s shares fell 14% to 61 Australian cents in Sydney before they were halted from trading. The stock fell 4.4% to 88 New Zealand cents at the Wellington close.
One person may have been killed in the blast, the New Zealand Herald said, citing a report on Newstalk ZB. Five miners have walked free from the mine, Sky Television News reported, without saying where it obtained the information.
Mining employs about 6,000 people in New Zealand, according to government website www.beehive.govt.nz. The industry earned about NZ$1.1 billion (US$853 million) in export receipts in 2009.

==Mining Equipment==

site: http://www.miningconstruction.org

stone crusher grinding mill Building Materials Recycling eagle crusher laboratory ball mill dolomite crusher mesin pemecah batu crushing equipment conveyor belt vibrating feeder rock crusher marble crusher gyratory crusher mesin pemecah batu aggregate crusher gravel crusher industrial crusher portable concrete plants small crusher underground mining equipment bottle crusher Aluminum ore crusher screw conveyor

limestone mining equipment – limestone crusher plant for cement production line

Limestone Mining

Each year aggregate companies in Iowa produce about 35 million tons of raw material from over 500 locations to supply a myriad of construction projects across the state. The bulk of this supply is extracted from the familiar pits and quarries where gravel deposits and limestone bedrock are close to the land surface. But at eight locations across the state (Jasper, Louisa, Marion, Poweshiek, Scott, Story, Van Buren, and Webster counties), where geologic and market conditions permit, limestone for aggregate is extracted from underground mines.
Though more costly than quarrying, the underground mining of limestone can be both economical and necessary in some areas of the state. Shallow rock units, which were once acceptable, may no longer meet newer engineering standards for construction aggregate. In other instances, it is not economical to strip both the overlying glacial deposits and the poorer quality, shallow bedrock in order to quarry. An operator must decide whether to cease production and move to an alternate location, if one exists, or to shift operations underground. Numerous factors are weighed to determine the feasibility of such a production change. Is the needed quality rock present in sufficient thickness and at suitable depth? Are the market conditions satisfactory to warrant the added expense of underground start-up and production? In the last decade several Iowa stone producers have opted to shift production underground.

Cement Plant

Cement is a mixture of limestone, clay and others processed by high temperature calcination. Glass is from the limestone, quartz sand, soda ash and other mixture, and obtained by high temperature melting, iron with limestone used as flux to remove gangue, in steelmaking use lime to form slag materials to remove sulfur, phosphorus and other harmful impurities. Calcium carbide (main ingredient is CaC2) is from the lime and coke reacted in the furnace. Soda ash is produced by limestone, salt, ammonia and other raw materials through multi-step reaction (Solvay method). Soda lime and soda ash reaction (Caustic method) make caustic soda. Useing pure lime and chlorine reaction to bleach. The chemical processing of limestone make the calcium chloride, calcium nitrate, calcium sulfite etc. Lime is used to soften water and can remove temporary hardness of the water. Burning limestone processed into a more pure calcium carbonate powder, is used as filler of rubber, plastic, paper, toothpaste, cosmetics, etc. The soda lime made by caustic soda with lime for carbon dioxide absorbent. Quicklime is used as a dryer and disinfectant. In agriculture, lime sulfur mixture is mixed with lime, as well as Bordeaux mixture and other pesticides. The application of hydrated lime to the soil can neutralize the soil acidity and improve soil structure, supply plant-available calcium. Brush the tree trund with lime liquid can protect trees.

Limestone Crusher

Limestone crusher used in stone quarry
In stone quarry, there are several types of stone crushers that can be used in limestone crushing plant.
Limestone jaw crusher is the widely used primary crusher, it is mainly used in primary crushing process. Fixed jaw plate, and movable jaw plate are wearable parts. Different jaw crushers have different output, the capacity is 1-5 t/p, 30-50tph, 50-80tph, 80-120tph, 120-200tph, 200-300tph, 300-400tph, 400-500tph.
Impact crusher is also common crushing machine used in limestone quarry. It has the functions of crushing and shaping, can make very good cubic shape. The stone materials are mainly used for road, highway, water conservancy, airport, civil construction etc. The market prices of stones made by impact crusher is higher than that by fineness jaw crusher or compound cone crusher; the quick wear parts cost of impact crusher is also high for high hardness stones.
Limestone mobile crusher is the complete crushing unit, includes feeding, crushing, screening process. for example, limestone mobile jaw crusher includes vibrating feeder, vibraging screen, primary jaw crusher, vibrating screen, and belt conveyor. There are other models, such as limestone mobile impact crusher, limestone mible cone crusher, crawler type mobile crusher.
Limestone crushing and grinding process:
Limestone is important buiding materials, and raw materials for cement production. Natural limestone is big, we must crush them into suitable size through limestone crushing process or grind them into sand or powder in limestone grinding process.
Limestone crushing process need limestone crusher equipment. In this process, we usually use jaw crusher, cone crusher, mobile crusher such as limestone mobile jaw crusher, mobile impact crusher, mobile cone crusher, crawler type mobile crusher. These machines are used to crush limestones into smaller size. According to the different products, we choose the different crushing process. Usually limestone crushing plant includes primary crushing process and secondary crushing process. If the product is sand, the limestone particles must do stone shapping through sand making machine. If you need the stone powder, using limestone grinding machines to grind these crushed limestone particles into powder. In this grinding process, hammer mill, ball mill, vertical mill are usually used.
Limestone crushing plant
In cement plant, limestone is the important raw material to make cement. It goes through crushing, grinding process, then make into powder.
In casting sand production line, limestone is crushed into the particles with 58 - 57 mesh. This limestone sand is better than the performance of quartz sand in manufacturing of machinery.
SBM is a mining machine manufacturer in China, and provides all kinds of stone crushers and grinding mills, such as aggregate crusher (limestone crusher, marble crusher, granite crusher, gravel crusher), ore crusher, coal crusher, cement mill, concrete crusher, and gold mining equipments. We can also design the special complete crushing plant according to the requirements of customers. Now, our products have exported to more than 130 countries, such as USA, UAE, Germany, Indonesia, India, Vietnam, Philippines, Rusia, Canana, South Africa, Zimbabwe, Russia, Ukraine, Japan, Poland, France, Brazil, Mexico.

Limestone

Limestone is calcareous sedimentary rocks formed at the bottom of lakes and seas with the accumulation of shells, bones and other calcium rich goods. It is composed of calcite (CaCO3). The organic matter upon which it settles in lakes or seas, are preserved as fossils. Over thousands and millions of years, layer after layer is built up adding weight. The heat and pressure causes chemical reaction at the bottom and the sediments turn into solid stone, the limestone.
The rock which contain more than 95% of calcium carbonate is known as high-calcium limestone. Recrystallised limestone takes good polish and is usually used as decorative and building stone.

SBM is a professional ore crusher manufacturer which produce the ore crushers such like marble crusher, granite crusher, limestone crusher, coal crusher, iron ore crusher and so on.

The limestone crusher machine are jaw crusher ,impact crusher, cone crusher, VSI crusher, we can supply the turnkey crushing plant to our clients too.

In the limestone crushing plant, there are hammer crusher and impact crusher for big reduction ratio. Usually these limestone crushers' reduction ratio is 10~35. Take the example that if the first input size of limestone rocks is 200mm, the final particles' size should be less than 10um. Under this, hammer crusher or impact crusher is the suitable limestone crushing equipment.

The limestone Jaw Crusher is widely used in mining, building materials, chemical industry, metallurgy and so on. The Jaw Crusher is suitable for primary and secondary crushing all kinds of minerals and rocks with compressive strength less than 320 MPa.

Geeknet Joins Open Invention Network as Licensee

Geeknet and Open Invention Network (OIN) today announced the signing of Geeknet as an OIN licensee. OIN's mission is to enable and protect Linux. By becoming a licensee, Geeknet, the online network for the global geek community through sites such as SourceForge and Slashdot, has joined the growing list of companies that recognize the importance of participating in a substantial community of Linux supporters and leveraging the Open Invention Network to further spur open source innovation.

"Geeknet is a leading resource for open source software development and distribution," said Scott Collison, Chief Product Officer of Geeknet. "We believe that by becoming an Open Invention Network licensee, we encourage furtheropen source development and promote innovation in a technical community that benefits everyone."

"Given its significant contributions to open source software development and its leadership with the tech savvy community, we are pleased to have Geeknet join OIN as a licensee," said Keith Bergelt, CEO of Open Invention Network. "By signing our license, Geeknet affirms that it values the continued openness of Linux and demonstrates its willingness to stand together with others in theopen source community. We applaud the company's foresight in taking this step."

Patents owned by Open Invention Network are available royalty-free to any company, institution or individual that agrees not to assert its patents against the Linux System. This fosters additional investment in, and adoption of, Linux, which in turn helps to fuel economic growth. By developing a web of Linux developers, distributors, sellers, resellers and end-users that license its patent portfolio, Open Invention Network is creating a supportive and open ecosystem for Linux.

OIN has amassed a broad portfolio of patents, including patents held by nominees on its behalf. These patents are available to all licensees as part of the patent portfolio that OIN is creating around and in support of Linux. Its license agreement can be found at

Geeknet is the online network for the global geek community. Our sites include SourceForge, Slashdot, ThinkGeek, Geek.com, and freshmeat. We serve an audience of 48 million users each month and provide the tech-obsessed with content, culture, connections, commerce, and all the things that geeks crave. Want to learn more?

About Open Invention Network

Open Invention Network is a collaborative enterprise that enables innovation in open source and an increasingly vibrant ecosystem around Linux. It does this by acquiring and licensing patents, influencing behaviors and policy and protecting the integrity of the ecosystem through strategic programs such as Linux Defenders. OIN enables the growth and continuation ofopen source software by fostering a healthy Linux ecosystem of investors, vendors, developers and users.

Open Invention Network has considerable industry backing. It was launched in 2005 by IBM, NEC, Novell, Philips, Red Hat and Sony. OIN has received supplemental financial support from Canonical. NOTE REGARDING FORWARD-LOOKING STATEMENTS: This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These statements are based on our current expectations, and involve risks and uncertainties. Forward-looking statements contained herein include statements regarding the patent license pool and its affect on the online traffic to our media sites. Actual results may differ materially from those expressed or implied in such forward-looking statements due to various factors, including: success of the patent pool to in fostering additionalopen source development and the resulting increases, if any, to our revenue. Investors should consult our filings with the Securities and Exchange Commission, sec.gov, including the risk factors section of our Annual Report on Form 10-K for the year ended December 31, 2009 and our quarterly report on Form 10-Q for the period ending September 30, 2010, for further information regarding these and other risks of our business. All forward-looking statements included in this press release are based upon information available to us as of the date hereof, and we do not assume any obligations to update such statements or the reasons why actual results could differ materially from those projected in such statements.

Geeknet is a trademark of Geeknet, Inc. SourceForge, Slashdot, ThinkGeek, Geek.com, and freshmeat are trademarks of Geeknet, Inc. in the United States and other countries. Open Invention Network, the Open Invention Network logo, Linux Defenders, Linux Defenders 911 and the Linux Defenders 911 logo are registered trademarks or the property of Open Invention Network, LLC. All other names and brand marks are the property of their respective holders.

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Eight Canadian Securities Regulators Sign Regulatory Cooperation Arrangement With China's Insurance

Eight members of the Canadian Securities Administrators (CSA) have recently signed a Regulatory Cooperation Arrangement with the China Insurance Regulatory Commission (CIRC) to establish a channel for regulatory cooperation in connection with Chinese insurance firms' overseas investments involving registered Canadian firms and recognized markets.

The securities regulators of Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Ontario, Québec and Saskatchewan entered into the arrangement to strengthen the level of regulatory cooperation with Chinese regulators in order to increase mutual understanding and information exchange.

"The CSA attaches considerable importance to Canada's eligibility as a destination for investments by Chinese insurers," said Jean St-Gelais, Chair of the CSA and President & Chief Executive Officer of the Autorité des marchés financiers (Québec). "The fact that this is only the third arrangement of this nature signed by the CIRC with foreign regulators is a clear statement by the CIRC about the strength of Canada's capital markets and the quality of its regulatory framework."

The regulatory cooperation arrangement paves the way for Chinese insurers to invest in financial products on Canadian markets regulated by CSA participating jurisdictions. It is expected to facilitate capital flowing from China into the Canadian market and create new business opportunities for market participants here in Canada.

The arrangement is currently in effect in seven of eight participating CSA jurisdictions. Subject to obtaining the requisite ministerial approval, the arrangement is scheduled to take effect in Ontario on December 29, 2010.

In April, a similar arrangement was entered into with the Chinese Banking Regulatory Commission in order to develop the wealth management business of Chinese commercial banks in Canada.

The CSA acknowledges the assistance of the Canadian embassy in Beijing with concluding the latest arrangement.

Established in 1998, the CIRC is authorized by the Chinese State Council to conduct administration, supervision and regulation of the Chinese insurance market, and to ensure that the insurance industry operates in compliance with the law.

The CSA, the council of the securities regulators of Canada's provinces and territories, co-ordinates and harmonizes regulation for the Canadian capital markets.

For more information:

Robert Merrick
Sylvain Théberge

Ontario Securities Commission
Autorité des marchés financiers

416-593-2315
514-940-2176

Mark Dickey
Brenda Lea Brown

Alberta Securities Commission
British Columbia Securities Commission

403-297-4481
604-899-6554

Ainsley Cunningham
Wendy Connors-Beckett

Manitoba Securities Commission
New Brunswick Securities Commission

204-945-4733
506-643-7745

Natalie MacLellan
Barbara Shourounis

Nova Scotia Securities Commission
Saskatchewan Financial Services Commission

902-424-8586
306-787-5842

Janice Callbeck
Doug Connolly

PEI Securities Office
Financial Services Regulation Division

Office of the Attorney General
Newfoundland and Labrador

902-368-6288
709-729-2594

Graham Lang
Louis Arki

Yukon Securities Registry
Nunavut Securities Office

867-667-5466
867-975-6587

Donn MacDougall

Northwest Territories

Securities Office

867-920-8984

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sandstone crusher - sandstone crushing plant in China

SBM is a crusher and grinding mill manufacturer and supplier in China.

Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains. Most sandstone is composed of quartz and/or feldspar because these are the most common minerals in the Earth's crust. Like sand, sandstone may be any color, but the most common colors are tan, brown, yellow, red, gray and white. Since sandstone beds often form highly visible cliffs and other topographic features, certain colors of sandstone have been strongly identified with certain regions.

Sandstones are clastic in origin (as opposed to either organic, like chalk and coal, or chemical, like gypsum and jasper). They are formed from cemented grains that may either be fragments of a pre-existing rock or be mono-minerallic crystals.

Sandstone Crusher and Crushing Plant

In the construction industry, the manufacturing of cement, lime, the important raw materials are sandstones. Sandstone is crushed by stone crusher and grinded by grinding mill to get final stone materials.SBM can supply you many types sandstone crusher such as jaw crusher, impact crusher, hydraulic impact crusher, spring cone crusher, hydraulic cone crusher, Symons cone crusher.

In recent years, SBM has developed a new type stone crusher for sandstone crushing industry which is named crawler type mobile crusher. Mobile Jaw Crusher engine can be additionally equipped with low temperature preheating start-up device to ensure the machine easy to start under the condition of minus 25 temperatures. Mobile crusher also named portable crusher is new crusher equipment; it provides a new field of business opportunities for contractors, quarry operators, construction waste recycling, mining industry and cement industry. SBM sandstone crusher has many advantages according to other companies, so it’s right choice for you to choose SBM stone crushers for your sandstone crushing business.

Sandstone Grinding Mill

an style trapezium mill is the latest grinding mill, which is developed by our company’s experts based on 10 years’ R&D on grinding machine. It owns many independent patents property, such as overall prick gear drive, internal thin oil lubrication system, arc-shaped air duct. All of these make it leading the trend of the milling industry in the world.

This series grinding machine is vertical structure; takes small area; strong whole-set. Moreover the main unit transmission device uses the airtight gear box, and the transmission is steady. The important part of grinding machine uses high quality steel, therefore complete machine is durable and reliable. The mill electric system uses centralized control, advanced and reasonable shape, high automaticity, small and light vibrating feeder, easy to adjust and energy saved.

Survival, evasion…vacation?

My grandfather was a Naval Aviator during World War II. As a child I listened to his stories with amazement; I look back today with an even greater appreciation of his bravery. The news today is full of survival stories, most recently the saga of the Chilean miners, rescued after being trapped underground for more than three months. Movies like "Into the Wild" and the recently released "127 Hours" tell harrowing tales of people trapped alone in the wilderness.

It all makes me wonder: Do I have what it takes to survive the unthinkable? I decided to find out.

There are hundreds of survival schools in the United States and around the world. Regular people can spend a weekend, a vacation, or even up to a year learning how to survive in the Arctic or the South American jungle; or you can focus on practical skills a little closer to home.

Many schools now offer students a chance to experience a simulated emergency, like what to do if you survive a plane crash, or run into trouble in a foreign country. At Mountain Shepherd Wilderness Survival School in Virginia, one of their most popular courses is called Hidden Pursuit. vibrating screen

Owner Reggie Bennett teaches survival skills based on his experience as a S.E.R.E instructor in the United States Air Force. S.E.R.E. stands for "Survival, Evasion, Resistance, and Escape." Reggie doesn't teach resistance (that's classified), but for three days my fellow students and I learned about the basic priorities of survival ... and what I learned really surprised me!

On the final day, we were put to the test. As masked men roared by us on ATV's, we tried to make it quickly and quietly to a safe zone several miles from our campground. Even though I knew it wasn't real, I could feel the adrenaline surging as I tried to move quietly through the woods. I found out the hard way that it's a lot harder than it looks!

Circularvibrating screen

Circular vibrating screen is a kind of new screening equipment, the vibrating track is a circle, and it is designed for especially screening stone stock of quarry, and also for classifying products of such departments as coal separator, mineral processing, building materials, electricity and chemical industry, etc. The output and energy consumption of our circular vibrating screen reach the national standard. It is advanced at home and abroad, and is well accepted by customers. The screening line of materials is long, the screening specifications are diverse and different from each other obviously, the screening efficiency is high, and it is hardly jammed. The screen has the advantages of reasonable structure, strong magnetic exciting capacity, low vibrating noise, durable, convenient maintenance, and safety and so on. (Note: According to different requirements of customers, our company applies vibrating screen with different specifications and vibrating modes.)

Working Features of vibrating screen :
1.Circular Vibrating Screen uses eccentric block to produce strong exciting force.
2.Crossbeam and the main body of the screen are connected with high strength screw bolts. So they have the features of simple structure and easy maintenance.
3.Circular Vibrating Screen adopts tire clutch with capability of flexible connection and stable operation.
4.Circular Vibrating Screen adopts the structure of small amplitude, high frequency, large obliquity to make the screen hold the capability of high efficiency, large handling capacity, long life span, low consumption, little noise.

Application of vibrating screen:

Circular vibrating screen is applicable for classifying stone stock in the production line of sandstone; Circular vibrating screen is widely used for classifying products in such industries as mine, building materials, transportation, energy resource, chemical industries, etc. It is the ideal equipment in the crushing and screening equipment group.

mobile crusher and grinding mill

In breakthrough, scientists trap antimatter atoms

GENEVA – Scientists may have been able to capture elusive atoms of antimatter, but don't expect that to lead to interstellar rocket engines or powerful bombs anytime soon — if ever.

Even as they announced the important advance in studying antimatter, they emphasized that science fiction uses of the stuff — like propelling the starship Enterprise in "Star Trek" or fueling a bomb in Dan Brown's book "Angels and Demons" — remain in the realm of the imagination.

International physicists at the European Organization for NuclearResearch, or CERN, said they had overcome a basic problem in studying atoms of antimatter. While such atoms have been created routinely in the lab for years, they tend to disappear so fast that scientists don't have a chance to study them.

[Related: Dramatic shift in global warming skepticism]

But in a report published online by the journal Nature, the scientists said they'd been able to trap individual atoms and keep them around for a bit more than one-tenth of a second.

To a particle physicist, that's a pretty long time.

"For us it's a big breakthrough because it means we can take the next step, which is to try to compare matter and antimatter," the team's spokesman, American scientist Jeffrey Hangst, told The Associated Press on Thursday

Hangst and his colleagues, who included scientists from Britain, Brazil, Canada, Israel and the United States, trapped 38 anti-hydrogen atoms individually. Hangst says that since the experiments they reported in Nature, they've been able to hold on to the atoms even longer.

"Unfortunately I can't tell you how long, because we haven't published the number yet," Hangst told the AP. "But I can tell you that it's much, much longer than a tenth of a second. Within human comprehension on a real clock."

Studying such trapped atoms could help answer basic questions in physics, like why antimatter has disappeared from the natural universe while ordinary matter abounds in the stars, planets and galaxies. Theorists say both must have been created in equal amounts in the Big Bang.

[Photos: Views from the International Space Station]

Two teams had been competing to trap anti-hydrogen atoms at CERN, the world's largest physics lab best known for its $10 billion smasher, the Large Hadron Collider. The collider, built deep under the Swiss-French border, wasn't used for this experiment.

Hangst's team beat a rival group led by Harvard physicist Gerald Gabrielse, who nevertheless welcomed the result.

"The atoms that were trapped were not yet trapped very long and in a very usable number, but one has to crawl before you sprint," he told the AP.

To trap the anti-atoms inside an electromagnetic field and to stop them from annihilating ordinary atoms, researchers had to create anti-hydrogen at temperatures less than a half-degree above absolute zero. vibrating screen

Hangst played down speculation that antimatter might someday be harnessed as a source of energy or to create a powerful weapon like in "Angels and Demons."

"It would take longer than the age of the universe to make one gram of antimatter," he said, calling the process "a losing proposition because it takes much more energy to make antimatter than you get out of it."

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View more information to visit my blog http://sbmzhcn.appspot.com 

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Macarthur rejects renewed bid

Macarthur Coal has rejected Peabody Energy's $3.5 billion approach saying the bid is not high enough.

The Australian coal miner knocked back the bid as it was still "too low", after Peabody increased the offer from its earlier $3.3 billion bid.

The offer jumped on Tuesday from $13 per share up to$14.

"All I'd say about our major shareholders -- and most of our shareholders -- is they believe the price being offered is a long way short of the mark," Macarthur chairman Keith DeLacy reportedly told The Australian.

Instead, Macarthur has stated that it will go ahead with its takeover of Gloucester Coal, and that Peabody's offer did not take into account the value of merged entity.

"Peabody's offer is conditional on Macarthur not proceeding with a proposed takeover of smaller rival Gloucester Coal and an associated transaction with Gloucester's largest shareholder, Singapore-based Noble Group," the company stated.

Macarthur has called a meeting for 12 April to discuss the acquisition of Gloucester, with Peabody stating that its takeover bid will lapse if shareholders approve the Gloucester takeover.

"Peabody is serious about its proposal to the Macarthur board and is seeking re-engagement as soon as practicable so we can further progress the proposal," a spokeswoman told The Australian.

After the acquisition of Gloucester, Noble plans to increase its stake in Macarthur.

The Australian coal miner has stated that the predicted price rise in PCI coal, with some analysts forecasting a doubling in the price, as one of the reasons behind the rejection of the bid.

Source: http://www.miningconstruction.org

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Coal terminal queues reach record highs

Ships queuing for Australian coal ports have reached an all time high of 223, costing millions in exports.

Bottlenecks at Australian coal port terminals, in particular cyclone affected Dalrymple Bay and Hay Point in Queensland, have created queues of up to two months.

The congestion, which has seen 103 ships waiting for access to Darymple and Hay point alone, is expected to cost Australia eight million tonnes of coal exports and millions of dollars.

The bottlenecks across the east coast come despite upgrades to a number of terminals as well as the first shipments from a third coal point terminal at Newcastle.

Coal infrastructure has already shown signs of strain since late last year after an unexpected increase in Chinese demand tested the struggling infrastructure.

According to reports from The Australian, port congestion in the country is already at levels three times higher than China.

Source: http://www.miningconstruction.org

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Platts launches daily metallurgical coal shipping and price reports

Platts today launched the world's first daily metallurgical coal assessments, which the company said would provide assistance in determining contract prices.

According to the company, the daily assessments will a demand from both miners and the steel mills for independent daily spot evaluations in the burgeoning Asian market.

Platts will provide two assessments, one dealing with hard coking coal loading in Australia for any destination and the other with coal delivered into China from any source.

These will complement the company's existing monthly coking coal assessments and its IODEX iron ore assessments.

"These new assessments, along with a dry bulk freight price from Australia to China, allow us to deepen our analysis of blast furnace economics, particularly those in China," said Platts' global director of steel Francis Browne.

"It is our hope the price transparency provided by Platts for this vital steel making ingredient, will meet the global industry’s need for comparative valuations of coking and other metallurgical coals."

The Hard Coking Coal Free On Board (FOB) Australia and Hard Coking Coal Cost and Freight (CFR) China assessments will capture the value of the material in US dollars per dry metric ton.

The company will also launch a daily dry bulk freight assessment, representing the cost of freight for cargoes carried on Panamax class vessels from Australia to China, as a standard for the price assessment process.

All three assessments will be published in Steel Markets Daily, Coal Trader International, International Coal Report and Platts' Metals Alert.

Source: http://www.miningconstruction.org

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Indian mining firm to invest $500 million in NSW coal mines

Indian-owned mining firm Gujarat NRE Coking Coal has announced plans to invest $500 million in the expansion of its coal mines in New South Wales.

The company will invest up to $100 million this year, with the rest to be invested over the next four years.

Gujarat NRE owns and operates two underground coal mines in the Illawarra region. The company reinvigorated the local industry when it originally bought two mines that had ceased operations, and invested over $270 million to revive the mines, creating 450 new jobs over the years.

Chairman of Gujarat NRE Arun Kumar Jagatramka said, “The proposed expansion is expected to quadruple production capacity in the two mines and create an additional 150 jobs, including some apprenticeships, in the next five years.

“India is our primary export destination, and the demand for coking coal in India is expected to double over the next 10 years. This bodes well for the long-term future of our operations in Illawarra,” Mr Jagatramka said.

Gujarat NRE’s expansion plans include mine development, construction of access roads and purchase of services and equipment.

The mines, NRE No 1 Colliery and NRE Wongawilli Colliery, together produce about 1.3 million tonnes of coking coal a year. The expansion is expected to increase output to about 6 million tonnes a year by 2014-15.

Gujarat NRE Coking Coal is the subsidiary of India’s largest metallurgical coke producer, Gujarat NRE Coke Limited.

Mr Jagatramka said the company sources all technology, equipment and services for their local operations in Australia.

“We source conveyor products and diesel equipment for the mines from Valley Longwall International and One Steel provides the roof mesh for the mines. Some technology and services for our Indian operations are also sourced from Australia,” he said.

The company is active in the local community, recently providing a $1 million bank guarantee for the local basketball team, the Wollongong Hawks, to participate in the National Basketball League.

Gujarat NRE received support from Austrade, the Australian Government’s trade and investment development agency, and the New South Wales State Government to establish in Australia.

Austrade’s Senior Trade Commissioner for South Asia, Peter Linford welcomed Gujarat’s ongoing commitment and said that it was indicative of the growing interest from Indian investors in Australia.

“Already, Indian companies on the 2009 Fortune 500 list such as Reliance Industries and State Bank of India have invested in Australia. Suzlon Energy, Aditya Birla Group, Mahindra & Mahindra, and leading global ICT players like Tata Consultancy Services, Infosys and Wipro also have a major presence here.

“India’s global foreign direct investment (FDI) increased almost six-fold from USD 2.9 billion in 2005 to USD17.4 billion in 2008, positioning India as a major player in global FDI outflow.

“More Indian firms are looking to expand operations globally, presenting significant opportunities in areas of traditional strength for Australia. Australian firms wanting to attract investment, and businesses which facilitate investment projects in Australia like banks and financial institutions, legal firms, consultancies, and other support services are the potential winners,” Mr Linford said.

Mr Jagatramka and Mr Linford will also speak at Austrade's Winning Business in India and South Asia seminars (19 - 30 March).

Source: http://www.miningconstruction.org

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One-third of NSW coal mines exceed legislated dust levels

Industry and Investment NSW has released the results of a study into the levels of airborne dust found at the state's coal mines.

The investigation revealed that longwall mining operations in Newcastle and the Hunter District had the highest frequency of excessive dust levels.

The studies were designed to test the effectiveness of legislation introduced in December 2007, which required the levels of inhalable dust in coal mines to be limited to 10 mg per cubic metre.

“The results to date indicate that improved dust control measures will be required in the underground coal mines of NSW,” the Government said.

The investigators took a total of 303 samples from longwall operations across the state between February 2008 and September 2009.

Of those, 113 samples, or 37.3%, were in excess of the required limit.

The Newcastle and the Hunter Districts recorded very high non-conformance rates of 42.3% and 52.6% respectively, while 25.3% of the samples from the Southern District were above the limit.

The Western District was the only area to record perfect results, with none of its 29 samples above the limit.

The study also took 894 samples from other underground operations around the state, with 21.8% of those exceeding the limit.

Once again, the Newcastle (28.1%) and Hunter Districts (30.2%) were the worst offenders, with the Southern District (20.2%) not far behind.

By comparison, only 2.1% of 426 surface samples exceeded the level.

According to the Department, the main reasons for the inadequate ventilation, water and dust control, poor operator positioning, damaged equipment and poor work practices.

The Government recommends mines implement dust suppression equipment, like water sprays or isolation or capture technology and make sure they are regularly maintained.

Ventilation also needs to be applied in the correct quantities and at the right locations.

Source: http://www.miningconstruction.org

small crusher industrial crusher ore crusher feldspar crusher Aluminum ore crusher mineral crusherconcrete crushing plant sand making plant chrome crusher Mobile crushergold ore crushergranite crusher manganese crusher limestone crusher ore crusher iron ore crusher sand making machineconstruction waste recycling coal mill Chromium Crusher

Gruenewald Sensors with CANOpen BUS System

The complete measuring system SMALL-Ex® (pressure, temperature, flow and level) by Gruenewald can be optionally equipped with a CAN Open BUS-System. In co-production with machine manufacturers from Europe, a Longwall System with CAN Open technology has been developed and equipped, this also has been used in the triple measuring device from the SMALL – Ex® series. All this devices are for use in underground mining solutions with international certification.

Source: http://www.miningconstruction.org

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coal mining equipment introduction

In this coal crushing process, coal crusher is the main processing machine. In fact, there are several types of coal crushers.

Coal Jaw crusher is the most common crusher equipment in coal crusher plant and used as primary coal crusher. It can crush big coal into small pieces.

Impact crusher is another common crusher that is used in coal crushing process. It is mainly used in primary or secondary crushing process.

Cone crusher is used as fine coal crusher machine, and used in secondary or tertiary crushing process.

Hammer crusher is a coal crusher with small capacity. Usually it is used with coal mill to grind coal into powder.

Mobile coal crusher is the convenient coal crusher. It unite the crushing equipment, belt conveyor, and vibrating screen. So crushing and screening process can be finished in this machine.

These stone crushers have their own benefits. How to choose which type of coal crusher is used in coal crushing depends on your requirements, such as crushing capacity, the finished size, etc.

Coal crusher plant

In fact, we rarely use only one crusher in coal crushing process. Usually we compose these coal crushers into a complete coal crusher plant.

A complete coal crusher plant includes crushing and screening machines. Jaw crusher is the primary crusher, impact crusher is the secondary crusher, cone crusher is the fine crusher. Raw coal is transported between these coal crushers through belt conveyor. The finished crushing coal materials is screened out by vibrating screen. The eligible coal materials enter into further process, while unqualified pieces return to the coal crusher for crushing again. In this coal crushing process, coal can be crushed into 30-50 mm. If you need coal powder, coal particle is grinded into powder by coal mill.

Coal Mill

SBM vertical coal mill is a new kind of mill, which is invented by our company chief engineer Mr Bai yinghui, who has been engaged in the research and development of grinding machine for many years. SBM coal mill is the main equipment of coal powder production system of thermoelectric power station, and it is also the essential equipment for drying and pulverizing coal power in cement plant. SBM coal mill can grind coal perfect. This new patent product with high efficiency and low energy consumption opened up an epoch of the international industry pulverizing.

The vertical coal grinding mill now sets the standard for coal grinding installations. The coal mill can handle all types of coal and is highly economical in terms of specific energy consumption.

Coal crusher manufacturer

SBM is a coal crusher supplier in China, and design coal crusher for coal crushing process. With the development of 30 yesrs, our products have formed two main kinds – crushers and grinding mills. Crushers include jaw crusher, impact crusher, cone crusher, and vsi crusher. Grinding mills include ball mill, raymond mill, vertical mill, and ultrafine mill. We also supply a complete crushing and screening plant, such as stone crushing plant, coal crushing plant, ore crushing plant, concrete crushing plant, construction waste crushing plant and ballast crushing and screening plant. Now our stone crusher machines have export to all over the world, such as Indonesia, Philipines, India, Vietnam, USA, Australia, South Africa, Egypt, Germany, Poland.

Coal is the important energy resources and mineral resources in our life. In order to use coal efficiently, we usually crush coal into powder by coal crusher.

Stone Crusher Machine For rock Material

Stone crusher is widely used in mining and construction industry, metallurgy industry, building material, highway, railway, water conservancy, chemical materials and many other departments, the BINQ stone crusher contains PE jaw crusher, JC jaw crusher, PF impact crusher, PFW impact crusher, cone crusher, VSI crusher and mobile crusher. The stone crushing units can be seen in the vicinity of almost all major cities and towns. Stone crusher features large crushing rate, high yield, equal product size, simple structure, reliable operation and easy maintenance, economic operating costs etc.
Cone crusher is a common stone crusher machine in mining industry. It has advantages of large crushing rate, high efficiency, small power consumption, uniform particle size and so on. It is widely used as ore crusher, coal crusher, cement crusher, construction waste crushing machine, and concrete crusher. Our cone crusher has four kinds, they are spring cone crusher, symons cone crusher, hydraulic cone crusher and hpc90 cone crusher. They have their own advantage. According to the final product, we use different cone crusher.
Jaw Crusher is widely used stone crusher machine in mining industry and also is one of the earliest used crushing equipments. Jaw crusher features simple structure, reliable operation, convenient maintenance, small size and height. Because of these advantages, jaw crusher is widely used to crusher hard stone such as basalt, quartz, marble, limestone, granite using two jaw plates. Our jaw crusher machine can reach the crushing ratio of 4-6 and the shape of final product is even.
Impact Crusher is a new efficient stone crusher machine. Absorbing advanced technologies at home and abroad and on the basic of hammer crusher, it has been designed. Impact crusher has been widely used in the cement industry. It is mainly used to crusher limestone, sandstone etc, Whose side is 500mm length, anti-pressure strength is not more than 350Mpa. Our impact crusher is characterized by great reduction ratio, high reduction efficiency, convenient maintenance, etc. The final product is in the shape of a cube.

Paray is a mining equipment supplier and manufacturers in China,we supply you any type rock crusher,such as jaw crusher,cone crusher,impact crusher,roller crusher,ball crusher,and grinding mill,ball mill,raymond mill,vertical mill.

More inforamtion at : http://www.miningconstruction.org

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