Raymond Mill Working Principle

Raymond Mill is suitable for making powder equipment at high closed circuit circle from all kinds of mine, chemical industry, building material, metallurgy. It can mill quartz, feldspar, calcite, talc, barite, fluorite, rare-earth, marble, ceramic, bauxite, manganese ore,Iron Ore Beneficiation Plant Cost iron mine, copper, phosphate ore, etc, whose Moh’s hardness less than 7 degree and the moisture is lower than 6%. The final size can be controlled from 0.044mm to 0.125mm, which equal with that from 100 mesh to 325 mesh though Pendulum crusher.
Raymond Mill Working Principle:
Firstly, raw material is crushed by jaw crusher to the size required, then elevated into a hopper from which the material is transported through the electro-magnetic vibrating feeder evenly and continuously into the grinding chamber for powder-processing.vertical roller mill in cement industry The rollers oscillate outward to press the ring because of the centrifugal force and the shovel scoops up the materials, send to the middle between the ring and rollers to accomplish the grinding.After grinding, the rough materials will be recycled by the air from the fan back into the grinding chamber for regrinding and the fine powders are blew into the cyclone and poured out through the output-powder pipe as the final products.

Raymond Mill Features:
1. It is the solid structure, cover small area, it is an independent producting system from primary material to the final powder.2. Fineness of the final powder is well-distributed, 99% of them can pass through the screen, other milling machines are hard to approach.3. Raymond mill conmission equipment adopt closed gear case and pulley,grinding mills for sale in zimbabwe stable convery and believable work.
4. Important part adopt high quality steel, abrasion proof adopt high quality abrasion material, the whole machine have a high abrasion and have a believable work.
5. Its electric system adopt concentrating control, the workshop can realize no-people work, and maintance, etc.

If the coal mill stops for 3 days, empty the coal hopper or put a layer of raw meat powder on the surface to isolate the coal from the oxygen before stopping the coal mill,China River Sand Grinding Machine close the hot wind valve and open the close wind valve and then stop the feeding. remember to empty the coal in the coal mill before stopping the machine and not to stop the collector immediately .  
Check the following things when operating the coal mill: the airing is ok; there is no overfeeding or underfeeding; the temperature is not too high; the order of starting and stopping the coal mill is right; the temperature of the air from the coal mill is higher the dew point.  
Make an emergency plan; when an explosion happens,China Mobile Crusher Manufacturer close the hot wind valve and the pneumatic valve, prevent the hot coal powder enter the collector and if the temperature is over 80 degree centigrade, start the carbon dioxide extinguisher. We should pay attention to avoid safety problem in operating the coal mill. As long as we obey the safety rules, the safety problems surely can be avoided.

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