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Overview of Gypsum Powder

Gypsum powder has been used in our life and many industries for a long time. In our ordinary life, human use it produce chalk, tofu and craft, etc. In industrial field, It is often used in building industry as putty and desulfurization industry as agent.

Building Gypsum Powder Production Line

To produce building gypsum powder, experienced engineers often use vertical mill and fluidized bed boiler as the main machine.

By using this method, the gypsum powder production plant is easy to control and the quality of the final gypsum products are quite high. Meanwhile, because it is one automatic design, the labor cost low. What’s more important, this method is quite environment-friendly, meeting many countries’ e Eco-Conscious Standard easily.

Desulfurization Gypsum Production Line

Currently the world's most popular desulfurization process is limestone-gypsum method. But there is one big problem in the past, the fineness of the powder should be reach D90=325 mesh.

To meet the finess, currently, more and more producers are recommended to use vertical mill or Supper-pressure grinding mill, like SBM MTW series trapezium grinding mill. With these two mills, producers can not only meet the fineness requirements, but also can cut some operation costs for their stable performance.

Gypsum powder application

The history of gypsum powder application is so long that it could date back to the time when it was simply used for making chalk, putty, tofu and crafts. Nowadays, it has been widely used in many fields, such as construction and building materials.

The cement industry:

Used as cement retarder and combined sulfate cement

Chemical materials:

To produce ammonium sulfate, potassium sulfate and calcium carbonate

Building materials:

Can be processed into stucco gypsum, plaster, gypsum, gypsum mortar, gypsum powder, gypsum board, etc

Soil improvement agent:

Used for improvement of alkaline land

Industrial filler:

Gypsum powder can be used as roadbed or industrial filler

Introduction to Gypsum Powder Production Flow

Gypsum stone is crushed into particles of less than 30mm in diameter, and the particles are grinded in the mill. After grinding, the powder which passes the classifier would be transformed into the furnace for calcinations, while the rest which doesn't meet the fineness requirements would return to the miller for a second grinding. The qualified calcined gypsum powder are sent to end product bin or workshop.

Five systems in the production flow

  • Crushing system
  • Hopper and conveying system
  • Grinding system
  • Calcining system
  • Electrical control system

Gypsum Powder Production Line Flow Chart

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Characteristics the Product Performance

1. Deep crushing cavity with no dead corner, which improves feeding volume and product capacity

2. High reduction ratio, even grain size

3. Nimble, easy-handling

4. Simple structure, Reliable operation, low maintenance cost

5. Wide range of adjustment, especially for the charge-out gate, suiting various needs

6. Low noise, less powder