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pressure screen [1 record]

Record 1 1993-05-10

English

Subject field(s)
  • Papermaking Machines
CONT

The operating principle of pressure screens is similar to gravity centrifugal screens. The distinction is that they operate under full line pressure and the radial flow within the unit can be either centrifugal (outward), centripetal (inward) or a combination depending on design. They have the advantage of high capacity per unit, flexibility of physical location, small space requirements and economy of piping and pumping. The totally enclosed design excludes air entrainment and minimizes slime buildup.

CONT

Pressure screens were first used in paper machine approach systems where their main function was to remove gross contaminants and protect the papier machine forming fabric. More recently, with refinements and modifications in design, various configurations are being utilized in virtually all fine screening applications.

French

Domaine(s)
  • Machines à papier
DEF

Type de classeur fonctionnant sous pression, par opposition aux modèles fonctionnant à la pression atmosphérique.

Spanish

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