Optimization and reformation of slime water classification and separation system in Huipodi Coal Preparation Plant
Aiming at the problems of incomplete process of coal slime separation and recovery system,insufficient processing capacity of flotation system,and the effect of thin and mixed treatment on clean coal recovery rate in Hui-podi coal preparation plant,a technical reform scheme of"magnetic tail separation of coal slime,two-stage coarse slime separation and two-stage flotation"was put forward.After the transformation,the ash content of coarse and refined coal is reduced by 1.0%,the ash content of flotation refined coal is reduced by 1.5%,and the ash content of flotation tail reaches 75%,which realizes the requirement of comprehensive utilization combined with gangue.With the increase of ash content of tail slime,the recovery rate of comprehensive clean coal and medium coal in coal preparation plant has been improved,which not only makes reasonable use of resources,but also obtains better economic benefits.