The transformation of medium draining screen at nan shan coal separation plant

Aimed at the problem of medium draining screen at nan shan coal separation plant, firstly, analyzed the constructrue and characteristic of cmedium draining screen, then based on the raw coal character of nan Shan coal preparation plant, proposed the a technological transformation programme. Finally, carried on the analysis of economic efficiency, made a conclusion that the 988200 ￥/a. of washing coal cost be saved.