The flotation machine is a device that directly completes the flotation process. In the flotation process, the flotation machine achieves the mineral and gangue by inflating, stirring, and selectively attaching the ore particles to the bubbles. Separation. According to the practical experience of flotation industry, the theory of bubble mineralization and the study of fluid mechanics of flotation machine, the following requirements are proposed for the flotation machine. (1) Good aeration effect. It must be able to draw or press a sufficient amount of air into the slurry and produce a large number of moderately sized bubbles, and the bubbles should be evenly dispersed throughout the flotation cell. The better the aeration performance, the better the air dispersion and the more uniform the bubble distribution, the more opportunities the ore particles will contact with the bubbles, and the better the process performance of the flotation machine. (2) Stirring effect. In order to make the ore particles in suspension in the slurry, proper and uniform agitation is required to keep the ore particles and the agent highly dispersed in the tank. In addition, the agitation can promote the contact and adhesion of the ore particles with the sputum, and contribute to the dissolution and dispersion of the poorly soluble agent. (3) It can form a relatively stable foam area. A relatively stable mineralized foam layer with a certain thickness can be formed on the surface of the slurry. The mineralized foam layer can retain the mineral of interest and can also remove some of the mixed gangue from the foam to facilitate the "secondary enrichment". The flow rate of the slurry in the flotation machine and the thickness of the foam layer can be controlled by adjusting the level of the slurry. (4) It can work continuously and is easy to adjust. The flotation machine used in the industry must have a mechanism for continuous mineralization, scraping and discharging to ensure continuous operation. There should also be mechanisms for adjusting the level of the slurry, the thickness of the foam layer, and the flow rate of the slurry. (5) In modern flotation machines, automated dressing plants, flotation machine requires reliable, long-life components, flotation machine manipulation device must have a program simulation and remote control.
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