Out side-drum vacuum filter is widely used in ore-processing, metallurgical industry, chemical plant, paper industry and etc, for dewatering floatation concentrates of non ferrous metals (such as copper, zinc, lead, nickel and etc,) and concentrates of non metal (such as sulphur, phosphorus, talcum, fluorite, coal and etc,) and can also be used for separating liquid and soild in suspensoids which are not easy to be setted down. 
Structure: This kind of equipment is mainly composed of drum, trough, distribution head, blender, and transmission device
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