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Pressure Screens

Pressure screens are used to filter out impurities and separate fibers in stock preparation. A rotating screen basket inside the filter does the actual filtering.
Description
Pressure screens are used to filter out impurities and separate fibers in stock preparation. A rotating screen basket inside the filter does the actual filtering. Pressure screens have an inlet for the suspension, an outlet for accepted stock, and a discharge for rejected stock and contaminants.

The function of a pressure screen in a paper machine's thin-stock recirculation system is to remove shives (fiber bundles) and other large, hard contaminants from the furnish. Conventional pressure screens use baskets with either slots or holes to admit the fibrous "accepts" flow and reject the contaminants. Now the pressure screens can use the wedge wire screen.

Whatever material is used, papermaking screens all achieve the same purpose, which is capturing fibers while letting water drain through.

Pressure screens are mainly used for stock preparation in the pulp and paper industry. They can be used for any application regarding fiber or fine grain filtration.
Wedge wire pressure screen main used in pulp & paper industry

Benefits

Precise and uniform slot open size
High clogging resistance
High strength design
Can be designed and customized according to working conditions.


 
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