Spiral classifier beneficiation equipment are one of the working principle classifier: classifier through the use of solid particle sizes are different, the proportion of different, thus the settling velocity of liquid at a different principle, fine mineral particles floating in the water overflow into outflow, Shen coarse particle in the bottom. Discharged from the spiral to the upper part, to a grading machine grading equipment, able to mill the material in powder class in the filter, and then put thick film material the use of helical screw rotary vane mill feed, to filter out the fine material discharged from the overflow pipe. Aircraft using the base channel, the use of steel plates welded together the body. Into the head of the screw axis, the first axis, the use of pig iron sets, wear-resistant durability and upgrade equipment at two electric and manual.