Reselection method is to divide the mineral beneficiation composition according to the difference in relative density (specific gravity generally known) is. Mineral particles of different densities are subjected to hydrodynamic forces and various mechanical forces in the moving medium (water, air and heavy liquid), resulting in suitable loose delamination and separation conditions, so that different density of ore particles can be separated.

Flotation method

The flotation method is based on the difference in physical and chemical properties of the mineral surface, and is treated by a flotation agent to selectively attach the useful mineral to the bubble to achieve the purpose of sorting.

Non-ferrous metal ore beneficiation, such as copper, lead, zinc, sulfur, molybdenum and other miners to use flotation process; some ferrous metals, rare metals, and some non-metallic minerals, such as graphite ore, apatite, also with floating Choose the law.

Magnetic separation

The magnetic separation method is based on the difference in mineral magnetic properties, and different minerals are subjected to different forces in the magnetic field of the magnetic separator to obtain sorting. It is mainly used for sorting ferrous metal ore ( iron , manganese , chromium ); it is also used for the selection of colored and rare metal ores.

Electroporation

Electroporation is based on the difference in mineral conductivity. When the mineral passes through the high-voltage electric field of the electric separator, the electrostatic force acting on the mineral is different due to the difference in the conductivity of the mineral, so that the mineral can be separated. Electroporation is used for the selection of rare metals, non-ferrous metals and non-metallic ores. Currently used mainly for the separation and selection of mixed coarse concentrates; such as the separation of white tungsten and cassiterite ; the selection of zircon , the selection of antimony ore.

Mineral processing equipment includes: ball mill , crusher , pulverizer, jaw crusher , impact crusher, cone crusher , ultra-fine crusher, magnetic separator, dry magnetic separator, wet magnetic separator, double force ring height Gradient magnetic separator, magnetite ore dressing equipment, flotation machine, mining flotation machine, classifier, spiral classifier, sorghum spiral classifier, dryer, rotary kiln, shaker, hoist, high frequency Sieve, finished sieve, high-efficiency concentrator, spiral chute, disc granulator, trough feeder, energy-saving ball mill.

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