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2016-11-18 · 2016-11-18 · Outside filtering drum permanent magnetic filter. 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, …
The drum deck, equipped with replaceable filter grids, supports the filter medium (cloth made from fabric or metal). A vacuum pump provides the necessary gas stream to accomplish dewatering. The vacuum sucks the liquor through the filter medium and forms a filter cake out of the solids, contained in the feed slurry.
At sea level a vacuum filter can only achieve 0.8 bar driving force and at high altitude, such as in the Atacama Desert it is less than 0.4 bar of pressure. As the driving force for filtration is reduced the performance of the filter is reduced, meaning vacuum filters are not usually recommended for use above 2,500 meters above sea level.
The new grooved annular liner increases the ball ore contact surface, strengthens the grinding effect, and has the ability to lift the ore, reducing energy consumption; the large double-row spherical roller bearing design can greatly reduce the friction and effectively Energy saving 20-30%, and easy to start; the small ball mill with a diameter of 2.1 .