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filter plate

A filter plate, filter device technology, applied in the fields of filtration separation, chemical instruments and methods, separation methods, etc., can solve the problems of false positive detection, leaking films, missed leaks, etc.

Inactive Publication Date: 2016-06-01
OUTOTEC FINDLAND OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Consequently, monitoring of fluid flow leads to false positive detections of leaking membranes, or more importantly, missing actual leaks

Method used

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Embodiment Construction

[0021] The known filter plate 1 shown in FIG. 1 has a cavity 2 and a movable membrane 3 arranged above this cavity 2 , forming a squeeze chamber between the membrane 3 and the cavity 2 . A first port 4 is provided which penetrates the known filter plate 1 so as to form a common plenum channel with a corresponding port of an adjacent filter plate. The first port 4 communicates with the extrusion chamber through a pressurization conduit 5 . (The extrusion chamber, plenum channel and adjacent filter plate and its corresponding ports are not shown.)

[0022] figure 2 The filter plate 6 according to the invention shown in is similar to the known filter plate 1 . (Common features are therefore marked with corresponding numerals.) A second port 7 is provided which penetrates the filter plate 6 so as to form a common drive channel with another corresponding port of an adjacent filter plate. The filter plate 6 according to the invention has a sleeve 8 which is arranged in the second...

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Abstract

The invention relates to a filter plate (6) for use in a filtering device, the filter plate (6) comprising a cavity (2), a moveable membrane (3) disposed over the cavity (2), thereby forming a squeezing chamber defined by the cavity (2) and the membrane (3), and a first port (4) adapted to co-operate with a corresponding port of an adjacent filter plate (6) to form a common pressurizing channel, the pressurizing channel being in communication with the squeezing chamber via a pressurizing conduit (5). According to the invention it is suggested to provide a second port (7) adapted to co¬ operate with a corresponding port of the adjacent filter plate (6) to form a common actuating channel, and a collapsible sleeve (8) responsive to a pressure increase in the actuating channel, the sleeve (8) being disposed in the second port (7) and forming a part of the pressurizing conduit (5).

Description

technical field [0001] The present invention relates to a filter plate for use in a filter device, comprising: a cavity, a movable membrane arranged above the cavity so as to form a squeeze delimited by the cavity and the membrane. a pressure chamber; and a first port for cooperating with a corresponding port of an adjacent filter plate to form a common pressurization channel communicating with the extrusion chamber through a pressurization conduit . Background technique [0002] A filter device with a plurality of such filter plates (as a plate stack) and filter chambers respectively arranged between adjacent filter plates of the stack is known for example from US4844803A . In the filter chamber, one or two filter cloths and rubber elastic membranes are arranged substantially in the respective separation planes between the filter plate and the associated counter plate, depending on the structure of the filter device. During the filtering operation of known filter devices...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D25/12B01D25/28B01D35/143
CPCB01D25/12B01D25/285B01D35/143
Inventor J·帕尔默
Owner OUTOTEC FINDLAND OY
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