| 摘要 |
A gas feed system for a flotation machine comprises a rotary shaft (1) including a gas feed duct (2) inside it, a gas inlet pipe (3) connected to the upper end of the rotary shaft (1), a rotor (4) connected to the lower end of the rotary shaft (1), and a plurality of gas distribution apertures (5) provided in the rotor (4) for introducing flotation gas into the flotation cell. A liquid inlet pipe (6) is provided in connection with the gas feed duct (2) to permit flushing of the gas feed duct (2) and gas distribution apertures (5) in order to prevent their blocking during the operation of the flotation machine. The method comprises the steps of connecting a liquid inlet pipe (6) in flow communication with the gas feed duct (2) and feeding liquid into the gas feed duct (2) to prevent blocking of the gas feed duct (2) and gas distribution apertures (5) during the operation of the flotation cell. |
