Gypsum mining: Gypsum crushing and Gypsum grinding

Gypsum and its usage

Gypsum has been quarried or mined for many years all around the world. The gypsum is ground to a powder and heated to evaporate water. When heating to 160 ºC, plaster of paris is produced, and half of the natural gypsum will be made into plaster of paris. When heating to 200 ºC, the anhydrite is produced, and the other synthetic gypsum has been derived as a by-product of the desulphurisation of flue gases at coal-fired power stations (Drax, Ratcliffe-on-Soar, and West Burton). The natural gypsum powder is widely used in cement industry, chemical industry, agriculture, daily health products and so on; The Plaster of Paris powder is used to produce plaster and plasterboard in construction industry etc. The anhydrite powder is widely used in cement industry. The natural gypsum minerals is rich in Punjab region, Balochistan, Sindh in Pakistan.

Gypsum mining and beneficiation

Natural gypsum mining and beneficiation is a large-scale industry in many countries which include USA, Canada, France, Germany, England, Spain, Iran, China, Pakistan , Thailand, Australia, etc. Natural gypsum mining crusher and grinding mill is a key equipment to process the gypsum after the gypsum ore is transported from gypsum quarry.

Gypsum mining process

Firstly, The gypsum ore is mined in a gypsum quarry, then it will be transported to a stockpile where the gypsum ore crushing plant is fixed up. In a crushing process, the large gypsum ore will be fed into primary jaw crusher by vibrating feeder, the crushed ore will be transferred to secondary jaw crusher via belt conveyor for further crushing, then the crushed gypsum will be sieved into different grades by vibrating screen. During this process, impact crusher, cone crusher is needed if necessary. When the plaster of Pairs is produced, grinding mill is needed. Grinding mill will grind the small particles into powder so that it will be used in many industries such like cement industry, chemical industry, agriculture, paint, paper, construction , building, ceramic industry etc.

Gypsum crushing

Gypsum crusher is a key crushing equipment used to crush the large gypsum ore into small particles. SBM is a major gypsum crusher manufacturer and supplier in China, we can produce primary jaw crusher, secondary jaw crusher, impact crusher, hydraulic impact crusher, four types cone crusher for the gypsum crushing plant, we also can supply the portable crusher and mobile crusher to the clients according to the clients' demands. In a gypsum crushing and processing plant, jaw crusher can reduce the gypsum ore from 1 meter to 80mm, the impact crusher and cone crusher can reduce the grain size down to 20mm.

Gypsum grinding mill

After the natural gypsum is burned in a calcining kiln, plaster of Pairs is produced. Then it will be ground to power and heated to evaporate water for further usage. SBM will manufacture and supply all types gypsum grinding mill to the clients. Our grinding mills which are suitable to grind gypsum are ball mill, vertical mill, Raymond mill, trapezium mill, Europe mill, coarse powder mill, high pressure grinding mill etc. Our grinding mill can grind the plaster of Pairs into powders from 200 mesh to 325 mesh.

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