FOERFARANDE FOER AVLASTNING AV SKIVFILTER OCH AVLASTNINGSANORDNING FOER GENOMFOERANDE AV FOERFARANDET

FOERFARANDE FOER AVLASTNING AV SKIVFILTER OCH AVLASTNINGSANORDNING FOER GENOMFOERANDE AV FOERFARANDET

The present invention relates to a method and apparatus for discharging a disc filter. The method and apparatus are excellent for handling fiber suspensions in the pulp and paper industry. In earlier known means, the filter cake thickened on the filter surfaces of the disc filter is detached by mean...

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1. Verfasser: KOHONEN, RAIMO
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PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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creator KOHONEN, RAIMO
description The present invention relates to a method and apparatus for discharging a disc filter. The method and apparatus are excellent for handling fiber suspensions in the pulp and paper industry. In earlier known means, the filter cake thickened on the filter surfaces of the disc filter is detached by means of water or compressed air jets and the cake allowed to freely fall to a axial chute disposed below the shaft level of the filter, wherefrom the pulp most usually is transferred by means of a screw conveyor. The pulp, however, easily clogs the inlet opening of the chute, whereby pulp material accumulates in the space between the discs with harmful consequences. The above-mentioned problem is solved by arranging a conveying means (9), preferably a belt conveyor, between and/or adjacent the filter discs (6), onto which conveying means the cakes are allowed to fall freely and wherefrom the belt (9) quickly and in a forced or positive manner transfers the cakes further to a discharge chute (4) disposed on the side of the filter, thus preventing the pulp material from accumulating between the discs.
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subjects PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
title FOERFARANDE FOER AVLASTNING AV SKIVFILTER OCH AVLASTNINGSANORDNING FOER GENOMFOERANDE AV FOERFARANDET
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