本设计采用重介选煤工艺，其主要设备是无压给料三产品重介质旋流器。
The design adopt the heavy medium Preparation technique, and its main equipments are three-product dense medium cyclone by unpressurized feeding.
在无压给料三产品重介质旋流器分选过程中，由于物料的切向速度可能会滞后于重悬浮液的切向速度，致使精煤受矸石污染；
In the course of separation within a three-product HM cyclone, the tangential velocity of particles are slack behind that of heavy medium, leading to contamination of dirt in concentrate;
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