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What kind of grinder is more reliable for gypsum powder?

Time: 2020-12-15

Natural dihydrate gypsum (CaSO4·2H2O) is also called raw gypsum. After calcination and grinding, β-type hemihydrate gypsum (CaSO4·1/2H2O) can be obtained, which is also called building gypsum, also known as plaster of paris and plaster. If the calcination temperature is 190°C, model gypsum can be obtained, and its fineness and whiteness are higher than building gypsum.


After the gypsum is calcined, it needs to be powdered, and the powdered gypsum has a wider range of applications and more applications in construction. Nowadays, powder factories have higher and higher requirements for mass production. Many bosses have requirements for mass production. They think that large-scale production lines are easier to maintain. In fact, this is a double-edged sword. Although the mass production of large-volume pulverizers is very large per hour, one device can complete a lot of mass production, but the maintenance usually takes longer, and the equipment cannot work during maintenance. If multiple small mills are used for joint production, these mills can be maintained at intervals. When one mill is shut down, the other mills can work normally. Therefore, blindly pursuing equipment with huge production capacity is not feasible, and many aspects must be considered.
The high-pressure mill series produced by Shanghai Joyal Mining Machinery Co., Ltd. has multiple production levels, ranging from 0.8-20t/h, with a fineness of 50-425 mesh, and is suitable for grinding more than 200 kinds of materials. Dehydrated gypsum is one of them. . The high pressure mill has the following advantages for grinding gypsum powder:
1. Unique design. Compared with other mills, the output can be increased by 20-30% under the same power condition. The grinding pressure of the grinding roller on the material is increased by 800-1200KG under the action of the high-pressure spring.
2. The finished product has a wide range of particle size, with a coarse particle size of up to 0.95 mm (20 mesh). The particle size of fine powder is generally up to 0.033 mm (425 mesh). A small part of the material can reach 0.013 mm (1000 mesh).
3. The dust removal effect reaches the national dust emission standard.
4. The analysis machine is easy to adjust.
5. The roller grinding device adopts overlapping multi-stage sealing with good sealing performance.

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