(2) removing harmful impurities from the ore;
(3) Recover associated minerals as much as possible, and comprehensively and economically and comprehensively utilize mineral resources.
Currently used non-metallic ore purification methods: flotation, gravity separation, magnetic separation, electrostatic separation, chemical processing method, the photoelectric sorting method, a friction method of washing and dressing ultrafine particles emerged in recent years and the like .
Centrifugal Pump is an important part of Electric Submersible Pump. In recent years, the technology of electric Submersible pump lifting is developing rapidly at home and abroad. In oil field production, especially in high water cut stage, most of the crude oil is produced by electric submersible pump. The electric submersible pump plays an important role in lifting technology of non flowing wells and wells with high yield in.
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