Technical modification on flotation system in coal preparation plant of Henan Liyuan Group Co.,Ltd.

To solve problems of flotation concentration filter pressing system in dense medium coal preparation plant of Henan liyuan group,such as too long filter pressing,insufficient capacity,high ash content of filter cake etc.,another flotation machine is provided to complete secondary flotation. The application shows that the time of filter pressing is shortened to guarantee the ash of concentration,with increase of 1. 91% in the yield of flotation concentration. It brings remarkable economic benefits.