gypsum powder production

gypsum powder production

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Gypsum powder production refers to the process of making gypsum powder from raw gypsum by using various processes such as crushing, grinding, calcining, and drying. Gypsum is a naturally occurring mineral that is widely used in construction and other industries. It is a soft sulfate mineral that consists of calcium sulfate dihydrate (CaSO4·2H2O).

The process of gypsum powder production typically involves the following steps:

1.Mining: Raw gypsum is mined from deposits in the earth.

2.Crushing: The mined gypsum is crushed into small pieces of varying sizes.

3.Grinding: The crushed gypsum pieces are then ground into a fine powder using a ball mill or a vertical roller mill.

4.Calcining: The ground gypsum powder is then heated in a calciner to remove the water content and convert it into a dry, powdery form. The temperature and duration of calcination vary depending on the desired end product.

5.Cooling: The calcined gypsum powder is then cooled to a suitable temperature before being conveyed to the final stage.

6.Packaging: The final product is packed into bags or containers for storage and transportation.

Overall, the process of gypsum powder production requires careful control and management of various parameters such as temperature, pressure, and processing time to ensure high-quality gypsum powder is produced.

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1. A material supplement stabilizing system is deployed to achieve stable supplement of the fluidized bed combustion boiler, and

to stabilize material supplement and heating. Material supplement stabilizing system consists of material supplement stabilizing bin and conveying device (metering screw or belt weigher).

 

2.Calcining system applies hot air boiling furnace calcining process to perform even calcination on gypsum material.

 

3. Cooling device added to cool down calcined gypsum before it enters silo, to prevent gypsum from deterioration caused by over

temperature.

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4.Silo turn-over system: materials at different time periods feature different quality, therefore products made from them

feature different quality. The silo turn-over system can evenly mix new and old materials, make the products share the same

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quality. Besides, the system prevents overheating deterioration caused by heat generated by powder accumulation.

 

5. The dust removal system applies a bag type dust collector, to ensure dust generated during pre-drying, conveying, grinding,

calcination and aging processes get cleaned before discharging outside, to meet working environmental requirements.

 

6. Distributed control system is applied, to do centralized control on distributed devices.

Gypsum Products Parameters:

1.Fineness: &#;100 mesh;

2.Flexural Strength (having a direct relation to raw material): &#;1.8Mpa; The Strength of Antipressure: &#;3.0Mpa;

3.Main Contents: Hemihydrate: &#;80% (Adjustable);

Gypsum <5% (Adjustable);

Soluble Anhydrous <5%(Adjustable).

4. The Initial Setting Time: 3-8min (Adjustable); the Final Setting Time: 6~15min (Adjustable)

5.Consistency: 65%~75% (Adjustable)

 

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