Dolomite

Ore properties

Dolomite is also called bitter limestone. Dolomite is a carbonate rock mainly composed of dolomite, which is the compound salt of calcium carbonate and magnesium carbonate. The main composition is dolomite, followed by calcite, clay minerals and terrigenous clasts (quartz, feldspar and mica). It can be used in building materials, ceramics, glass and refractories, chemical industry, agriculture, environmental protection, energy saving and other fields. It is mainly used as the flux of basic refractories and blast furnace ironmaking; the production of calcium magnesium phosphate fertilizer and magnesium sulfate; and the production of glass and ceramic ingredients.

Dolomite process flow

After the big dolomite is crushed into small particles by jaw crusher, crusher or dolomite cone crusher, it is sent to the storage bin of the pulverizer by the elevator, and then it is sent to the upper part of the rotary table evenly by the vibrating feeder and the inclined feeding pipe; under the action of the centripetal force, the material disperses to the periphery of the circle and falls into the raceway of the grinding ring to be impacted, rolled and grinded by the ring roller Grinding, after three-layer Ring Road processing into powder, the high-pressure fan sucks the external air into the machine through suction, and brings the crushed materials into the powder concentrator; the rotating impeller in the powder concentrator causes the coarse materials to fall back and Regrind, the fine powder that meets the requirements enters the cyclone collector with the air flow and is discharged by the discharge valve at the lower part, which is the finished product, while the air flow with a small amount of fine dust passes through After being purified by the pulse dust remover, it is discharged through the fan and muffler.

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