To resolve problems in recleaning process of Tianzhuang coal preparation plant,replace 001 inclined lifting wheel separator with two MZC8/54 lump coal dense-medium shallow-slot ones,which serve to reclean E and F group lump coal.In order to increase productivity,build separately two independent primary cleaning and recleaning system without expanding workshop.Introduce the structure,characteristics,working principle and flotation effect of the new separator.The results show that,the operation becomes more f...