... ,Save work force and power 4,Easy maitain and operate Dust Ash Briquetting Machine(own 11 items national patents)This machine ... is mainly used in coal podwer, coal slurry, clay dust ,midding coal, coke powder, coking coal, metallurgical powder and refractory ... to be pressed before sent into the furnace or transported ! Model:ZZXM-40Power: 90~130kwCapacity:40t/h 300thousand t/yearOverall size ...