... transmission device, column, body and some other parts.2. Cyclone The dedust efficiency can be 95-99% when dealing ... with 40-50 micron dust. And with 10-15 micron dust the spin-efficient cyclone can achieve the same efficiency. ... fill hole, wind network, inverted cone, distribution umbrella, dust collection hopper, grain collection hopper, air pipe, inspection door and framework. ISO9000 ...