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Gypsum Powder Making Process

Natural Plaster Machinery process 1. Introduction to production process: The crusher crushes large-sized Plaster ore into small particles smaller than 25mm, which are stored and transported into a mill for grinding. The Plaster raw powder, which reaches the required fineness after grinding, is sent to a fluidized bed furnace for calcination, and the rest is returned to the mill for further grinding until qualified.

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The process of plaster equipment can be summarized as follows: plaster ore → vibrating feeder → jaw crusher → bucket elevator → raw material warehouse → grinding machine → bucket elevator → fluidized bed furnace → bucket elevator → conveyor → clinker warehouse cooling, storage → finished product. The grinding process is particularly crucial. This production process is mainly used for the production of building plaster powder from industrial by-product plaster, with less equipment investment, low coal and electricity consumption, to produce high-grade plaster powder and various products.

The production process of building plaster powder using desulfurization plaster, phosphoplaster, and natural plaster, which are widely used in China, is divided into four steps: (1) crushing process, (2) pre grinding process, (3) calcination process, and (4) storage and transportation process

The plaster powder equipment is made by grinding natural dihydrate plaster ore (raw plaster) or industrial by-product plaster (desulfurization plaster, phosphoplaster, etc.) through a dedicated grinding machine and heating and calcining at a certain temperature to dehydrate and decompose dihydrate plaster β The product with hemihydrate plaster (CaSO4? 1/2H2O) as the main component is building plaster (commonly known as plaster).

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