Method for extracting metal zinc powder with different purposes from zinc dross
A technology of zinc scum and metal zinc, which is applied in the field of metal zinc powder, can solve problems such as unrealized industrialization, and achieve the effects of protecting occupational health, eliminating dust pollution, and saving production costs
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[0022] Get zinc scum (the main chemical composition is: Zn is 84.48%, F is 0.017%, Cl is 0.079%) 200kg, particle size range is≤3mm, carry out natural cooling to room temperature, the zinc scum after cooling adopts continuous feeding Slowly pour into the silo. 99-100% of the zinc scum in the silo passes through the bar screen and enters the closed linear vibrating screen. The coarse particles screened by the vibrating screen enter the ball mill. All are imported into the dust collection pipeline. After the coarse particles are firstly ground by the ball mill and screened by the grid sieve once, the part under the sieve is returned to the ball mill for the second crushing, and the part under the second sieve is returned to the ball mill for the third crushing, according to crushing----screening ----Return material for cycle operation. All the sieve parts are returned to the zinc smelting process to use the power frequency furnace for remelting and recycling. All the dust gene...
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