three-product dense medium cuclone is in series by 1st cuclone and 2nd cyclone.the 1st cyclone is placed in 15 degree inclined ;the second one is horizontal or in 15degree inclined.raw coal after separation,cleaned coal will go out by the 1st cyclone center pipe and be collected;middling will go out by 2nd cyclone center pipe and be collected;waste rock will go out from 2nd cyclone underflow port and be collected.

this type hydracyclone is mainly used for processing coal diffcult separation or very diffcult separation.