IMPELLER FOR FLOTATION MACHINE, FLOTATION MACHINE AND FLOTATION METHOD THEREOF

摘要

An impeller for a flotation machine, a flotation machine and a flotation method thereof. The impeller for a flotation machine comprises a cover plate (1), a blade (2), and a discharged air-guiding member (3). The discharged air-guiding member (3) is provided at an upper position close to the center of the impeller. An inner side edge of the blade (2) is fixedly connected to a sidewall of the discharged air-guiding member (3). The cover plate (1) is provided above the blade (2), and is fixedly connected to an upper edge of the blade (2). An abrasion resistant coating (4) is applied to an outer surface of the entire impeller.