In 1025 period, our country proposed further requirements for industrial development based in the principle of green environmental protection and independent innovation.And mining beneficiation equipment manufacturer must focus on mineral processing equipment especially on energy utilization in the crushing production line and try the best to reduce energy consumption to work with the living environment where people live.Mining machinery manufacturing industry insists on the green avenue of green manufacturing and independent innovation combination to realize the transfer for our mining machinery manufacturing industry from big scale to strong power.To this, the crusher experts put forward some opinions in 2012.Crusher equipment with green manufacturing mode will promote the science and technology innovation towards a new area and to an unprecedented level.As the development of reforming and opening, our beneficiation technology has undergone enormous changes, which has gone beyond the international level in the technology and quality.Commonly used ore beneficiation equipments include: crusher, ball mill, screening & classification equipment, magnetic separator, flotation machine, dryer, etc.The development of ore beatification equipment and technology is synchronization, the process is dominant, the device is the foundation.Hongxing ore dressing process include magnetic separation process, flotation process, lead and zinc mineral process, etc.Each process has different operating processes depending on the raw materials.The main technical and economic indicators of hongxing lead and zinc ore dressing process have reached the world advanced level.
The parallel band of short type cone crusher is the longest, the medium one is the second, and the standard one is the shortest.
Material hardness is generally divided into three types, hard, medium-hard and soft.The r&d design of each device is manufactured according to the characteristics of the material.If the material hardness is large, a mining stone crusher suitable for high hardness such as jaw rock crusher or cone rock crusher is needed.If impact crusher for medium hardness is used, it will lead to serious wear, greatly reduced performance, and short service life.So we give the following suggestions:for the hardest materials, such as sandstone, concrete, limestone, marble, dolomite, etc., jaw crusher and cone crusher can be used.The jaw plate inside the jaw rock crusher is mostly made of high manganese steel.In the process of crushing, the moving and fixed jaw plate will be both squeezed and rubbed.While ensuring a certain strength, it is also necessary to ensure that the jaw plate has good toughness, so as to ensure that the jaw plate has good impact resistance.
Large rocks are mined from gravel pits or quarries and transported to the surface, where they are usually placed in dump trucks.Once on top, the rocks are sifted for smaller pieces and debris with the aid of a powerful vibrating conveyor belt.The conveyor belt transports the materials to the jaw crusher, which is really the first step in aggregate crushing.The jaw crusher is made of two plates, rather like a human mouth.It crushes the rock between the two plates and then "swallows" it, pouring it out onto another conveyor belt, which takes it to an impact crusher.
The main equipment of sand production line includes vibrating feeder, jaw crusher, belt conveyor, impact crusher, circular vibrating screen, sand maker, sand washer, etc.
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