Sustainable Mining and Metallurgy

As the production capacity and particle size of metal zinc powder prepared by air injection method at the initial stage of production in a smelting company cannot meet the production demand, the effects of zinc liquid temperature, injection pressure, inner diameter of quartz tube, nozzle tooth number, nozzle processing and installation accuracy on the production capacity and particle size of metal zinc powder were explored. The results showed that under the process conditions of zinc liquid temperature 590-600℃, injection pressure 0.6-0.65MPa, quartz tube diameter 12mm, inner nozzle 30 teeth and outer nozzle 40 teeth, the production capacity of zinc powder increased from 20t/d to 28-30t/d, and the yield of -150 mesh zinc powder increases from 60% to more than 80%.