Pressing roll of pressing device for filter-pressing wet sizing machine

The utility model discloses a pressing roll of a pressing device for a filter-pressing wet sizing machine, which comprises an upper roll and a lower roll and adopts the structural key points that the lower roll of the pressing device is a blind hole roll. The utility model has the advantages: since...

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description The utility model discloses a pressing roll of a pressing device for a filter-pressing wet sizing machine, which comprises an upper roll and a lower roll and adopts the structural key points that the lower roll of the pressing device is a blind hole roll. The utility model has the advantages: since the roll below the pressing device is a blind hole roll, a vacuum generation device in the vacuum roll can be eliminated, and the energy-saving production during the pulp concentration and dehydration process is realized; the service life of the mesh cloth can be prolonged by using the blind hole roll, and the service life of the lower pressing can be prolonged as well; the blind hole pressing has the advantages that the pressure zone is wider, the time under pressure is long, the higher linear pressure can be borne, thereby providing the pulp in the pressure zone as well as the pressure gradient of the upper mesh cloth and the lower mesh cloth; the aperture of the blind hole is large, the open-hole ratio is high,
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language chi ; eng
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subjects APPARATUS THEREFOR
PAPER-MAKING
PRODUCTION OF CELLULOSE
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS
REGENERATION OF PULPING LIQUORS
TEXTILES
title Pressing roll of pressing device for filter-pressing wet sizing machine
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