After artificial beneficiation, tungsten concentrate will enter gravity separation process. Grinding process is coarse grinding. Rod mill is to grind tungsten concentrate for the jigging separation in next step. It is not simple grinding. 

Centrifugal separator, also known as centrifugal chute, it is the use of mineral particle size and density differences in the high-intensity centrifugal force field, can achieve separation of useful minerals and gangue minerals.

Micro-emulsion method is effective way for producing super micron grain in recent years. The two medium is separated by surface active agent and form into emulsion. In this circumstance, tungsten element will react and form into solid phase grain, limit nano grain to grow up and accumulate, so the formed nano grain is covered by a layer of surface active agent, has a certain accumulating structure.

Tungstic acid is an important chemical product of tungsten, it has wide application, chemical formula is mWO3·nH2O. Tungstic acid is poly chemical compound of combination with WO3 and water by different ratio, the common seen tungstic acid includes yellow tungstic acid, white tungstic acid and metatungstate.

Calcium tungstate is also called artificial scheelite, chemical formula is CaWO4, they have same composition but different function. Tungsten scheelite is original mineral without processing, calcium tungstate is chemical products of tungstate.

Electric separation utilizes different conductivity of mine and vein mineral grain, can process electric classification and separation in high voltage electric field. It is effective method to separate tungsten and tin in tungsten scheelite. But it is also used in tungsten concentrate gravity separation.

Tungsten scheelite electric separation can separate tungsten and tin. In nature, tungsten is always accompanied by tin. Their density is almost the same and is hard to be taken apart. In the past, flotation method or high temperature chloride volatilization method are used, but there exists some shortcomings.

Tungstate consists of wolframate radical or poly tungsten acid radical. Ammonium ions, alkali metals, alkaline earth metals and many heavy metal cations can form tungstates. Apart from alkali metal, ammonium and magnesium salts, most tungstate is insoluble in water.

After artificial beneficiation, tungsten concentrate will enter gravity separation process. Crush means crushing tungsten concentrate into same specification before it goes to the next step. This needs to be completed with crusher.

Tungsten concentrate is mild magnetic mineral, under certain grinding, it can adjust magnetic intensity or change selection medium to absorb tungsten concentrate on the magnetic medium to realize separation with mineral vein.