Made the test parameters of pyrite used the flotation machine, including apparent inflation rate of bubble generator, the inflatable pressure of tailings ascend tube, grinding fineness, pulp concentration, pulp flow and scraper speed. 对浮选机进行了浮选硫铁矿的参数试验,包括气泡发生器的表观充气速率、中矿提升管的充气压强、磨矿细度、矿浆浓度、矿浆流量、刮板速度等。