Flotation machine does not have pulp suction ability, if independent configuration, it should step configurate before and after the operation section, height difference is 300-500mm. Reture of middling conveyed by foam pump. If configurate with xcf, kyf can be used as direct current chute of roughing, scavenging, concentration which install horizontally and return of middling does not need foam pump. Kyf flotation machine has two kinds of scraping machine: unilateral scraping and bilateral scraping. User can choose according to the reuirement of process.