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Device for filtering a fluid

A technology for filtering fluids and equipment, applied in the fields of filtration and separation, fixed filter element filters, chemical instruments and methods, etc., can solve a large number of problems, and achieve the effect of simple design, compact space, and compact size

Inactive Publication Date: 2014-12-10
马格自动化有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, in molten recyclable material, large amounts of this contamination can be present

Method used

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  • Device for filtering a fluid
  • Device for filtering a fluid
  • Device for filtering a fluid

Examples

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Embodiment Construction

[0049] In the drawings, the same parts are marked by the same reference numerals, and in some drawings, some reference numerals are omitted for the sake of clarity. Components described individually according to the preferred embodiments of the present invention can be combined arbitrarily in a manner well known to those skilled in the art. The illustrated embodiments are non-limiting in terms of various combinations.

[0050] figure 1 A perspective view of an apparatus for filtering fluid according to a first preferred embodiment of the present invention is shown. In particular, the shown apparatus is used for filtering thermoplastic polymer melts and comprises a housing 1 with bolts 6, 7 which can be inserted into the holes 4, 5 of the housing 1 (the upper hole 4 is in the figure 1 (not visible in ) is movable in a fluid-tight manner, ie axially displaceable and / or radially rotatable. Each bolt 6, 7 comprises at least one filter unit 8, 9 with an inflow side and an outflo...

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Abstract

The invention relates to a device for filtering a thermoplastic melt, comprising a housing (1) having at least one fluid feed channel (2) and at least one fluid discharge channel (3) and having at least two bores (4, 5) which are in fluid communication with the fluid feed channel and the fluid discharge channel, respectively. In each of the bores a respective bolt (6, 7) is axially movable, radially rotatable and mounted in a fluid-tight manner, and each of the bolts is provided with a filter unit (8, 9) having an inflow side and an outflow side. The bolts can each be moved at least between a filtering position and a back-flushing position, and each of the bolts can be moved into a filling position in which via a respective clean fluid channel (12, 13) fluid flows from the outflow side of the respective filter unit to a storage space (14, 15) produced by the movement of the respective bolt in the respective bore. As the respective bore is moved into the back-flushing position the fluid again flows through the respective filter unit to the at least one back-flushing channel and out of the housing.

Description

technical field [0001] The present invention relates to a device for filtering fluids, and more particularly to a device for filtering thermoplastic polymer melts, the device comprising a housing according to the preamble of claim 1 having at least one fluid inlet channel and at least one fluid outlet passage and having at least two mutually parallel and spaced apart holes in fluid communication with the fluid inlet passage and the fluid outlet passage respectively, wherein each hole is received therein in a fluid-tight manner to be movable (i.e. Axially displaceable and / or radially rotatable) bolts, each of which is provided with a filter unit having an inflow side and an outflow side, wherein each of said bolts can be at least in a first filter position and a second backflush position, in which the inflow side and outflow side of the filter unit are in fluid communication with the fluid inlet channel and the fluid outlet channel respectively, and in the second backflush posi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/60B29B13/10B29C45/58B29C47/68
CPCB29C47/0815B29C47/0009B29C47/684B29C47/682B29C48/2554B29C48/273B29C48/6912B01D29/13B01D29/52B01D29/66
Inventor H·波尔
Owner 马格自动化有限责任公司
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