Jaw crushers used on mining, metallery and cement plant

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Jaw crushers are main equipments for crushing ores and rocks in mining, forging, constructing, cement industry. It is main equipment for coarse/ intermediate crushing ores and rocks. NHI jaw crushers have features of simple structure, reliable performance, easy operation, easy maintenance, safety use, etc.

 

According to the structure, jaw crusher can be divided into PEF double toggle jaw crusher (single knee plate jaw crusher) and PEJ simple toggle jaw crusher(double knee plates jaw crusher)

 

Double toggle jaw crusher, mainly consist of the frame body, moving jaw, knee plates and material output adjusting device. Simple toggle jaw crusher, mainly consist of frame body, moving jaw, knee plates, connecting rod and material output adjusting device.

 

NHI is one of professional manufacturer for designing, developing, testing and manufacturing of gyratory crusher, which has more than 60 years history. NHI has produced more than 8000 sets of jaw crusher, cone crusher and gyratory crusher. PEF、PEJ、PEF-X has been produced in 15 series.NHI jaw crusher equipped many mining companies and metallurgy companies in China. Many products have been draw into international market as early as in the '60 s and won several awards. NHI is the presiding company for making the occupation standard Simple toggle jaw crusher JB/T 3264—2002

 

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Q:Gravel crusher model, gravel crusher prices?
The working principle of the vertical plate hammer compound crusher is to use the hammer to crush the material.The crushing process of vertical plate hammer compound crusher is broken by way. The general material is added from the feed port to the finished product and has only 2~3s of time in the crushing chamber. Therefore, the throughput of materials is relatively fast and the output is high.The vertical plate hammer compound crusher is two kinds of crushing materials, and the method is assembled in one machine body. The first stage of crushing reflects the characteristics of the counterattack crusher, and the large pieces of material are broken by high speed impact and become small pieces. Second stage grinding and reflects the characteristics of extrusion machine, small pieces of material by impact, extrusion and crushing, products become powder and small particles; the crushed material is rotating falling in the body, so that the materials are fully broken; the material in the crushing cavity second impact, extrusion pressure, compression strength can reach 30MPa the granular layer, at the same time, the effect of impact compaction, particle crushing. Thus, the material discharged under impact and extrusion is not a cake, but a loose material. Therefore, the vertical shaft crusher product does not need to use again to break up the equipment.
Q:What's the price of metal crusher, scrap can crusher, scrap iron and aluminium crusher?
The choice for crusher much type according to your specific circumstances, this kind of crusher general market price is not much, but the quality is big gap, Henan prochange machinery and the price is high, you can go and see.
Q:What does "mantle" mean in the crusher? Which part is it?
The crushing walls of mantle liner are also directly represented by mantle
Q:The working principle of cone crusher
1. The chamber shape of cone crusher is the working space formed by the crushing wall (moving cone) and the roller wall (fixed cone). The design of the cavity has great influence on the economic and technical indexes of the crusher (productivity, energy consumption, particle size and shape of the crushing product and the abrasion of the crushing wall and the roller wall). This unique design makes the final product size is uniform, a cube shape, dynamic cone wear working surface is uniform.2, the crusher work parameters have direct effects on the motion characteristics of granular material crushing cavity, mainly for the impact crusher spindle rotary speed of granular material movement, and then to the crusher working performance (productivity and crushing product size distribution etc.) have an important impact.3, cone crusher cavity stroke has important influence on the crusher performance, when increasing the stroke, the crushing cavity broken layer actual feed compression ratio increase, product quality improvement, calibration of discharge size increase, with the decrease of stroke, the crushing cavity broken layer actual feed compression ratio decreases, product quality worse, the calibration of discharge size decreases. In order to improve the quality of crushing products, the swing stroke of each crushing layer in crushing chamber is also taken as a big value. The improvement of the performance of the domestic cone crusher has become a new goal of the mining machinery processing industry in china.
Q:What is a through crusher?
The crusher is a new kind of crushing equipment, its features are: small size, simple structure, high crushing ratio, low energy consumption, high production capacity, uniform particle size, and selective crushing effect, is a promising crusher equipment; the disadvantage is in hammer and impact plate especially easy to wear, especially for crushing hard ore, wear is more serious, the need for frequent replacement. At present due to some wear resistant materials, has been applied in some metal processing plants.
Q:What should I pay attention to in the test run of jaw crusher?
1, check the triangle belt (or flat belt) tightness and wear, such as tight too loose, or wear serious, should be timely adjustment or replacement belt.2, check the wear of both sides of the guard plate, such as serious wear, should be replaced.3. Adjust the opening size of the palatal plate according to the technical requirement.4, if there is no protective cover, or protective cover is not in good condition, it is not allowed to drive, so as to avoid personal accidents.5. Use the hand wheel to move the flywheel or pull the belt. Make sure the equipment is flexible, so you can test without load.
Q:What are the better brands of cone crushers?
Ding Ding machine is located in Henan, Zhengzhou Province Ma walled industrial agglomeration. More than 20 years of mechanical R & D and production experience, professional technical and service team, for the tripod machine to build Evergreen Foundation provides an inexhaustible motive force. At present, the tripod machine in accordance with the ISO9001:2008 international quality certification system standards for design, production, assembly, testing.
Q:Installation and clearance adjustment of grate for hammer crusher
Grate bars should be arranged along the direction of material movement, almost the same as the tangent speed. At the same time, the gap between the grate bars should be extended gradually from outside the grate so that the broken product can be discharged as soon as possible without blocking the grate bar. The grate bar can allow up to 30% of the mine humidity, while the ordinary grate bar only allows the maximum moisture content of the ore to not exceed 15%.
Q:Which crusher can be used to break hard stones?
Jaw crusher and cone crusher, counterattack crusher is two broken, pebble, then the counterattack plate, plate hammer requirements are great. The use of high chromium cast iron lining board basically can also, generally high manganese steel 13#, wear a little larger.
Q:Is a single jaw crusher easy to use?
Greatly simplify the crushing production line, the provincial investment (omitted two, three grade crusher and conveyor), the province covers an area, energy saving and consumption reduction, and easy to manage. Not only has promoted the technical progress of "crusher", but also promoted the technological progress of "broken production line".

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