... WIDE USED LEADING LEVEL 1,The sieve under type coal washer is our company high-tech development projects ... 320T/h. Applies to lump coal, fine coal , regardless of grade and grading joint washed coal .The process is simple, ... chamber jig .It can be separation lump coal and not graded raw coal . The air chamber under the jump ... simple, low cost, low power, low energy consumption. Coal washing machine