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Backwashing filter

A filter and anti-cleaning technology, which is applied in the direction of fixed filter elements, filter separation, chemical instruments and methods, etc., can solve the problems of many fault points, large loss of medium flow resistance, cumbersome control process, etc., and achieve fewer fault points , Low failure rate of equipment operation, simple control process

Active Publication Date: 2011-01-12
罗兰德流体控制(营口)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, the present invention provides a backwashable filter with simple and compact structure, small footprint, better filtering and backwashing effect, and can work normally under various pressure conditions, so as to solve the control problems existing in the prior art The process is cumbersome, there are many failure points, and the resistance loss of the medium circulation of equipment filtration is large, etc.

Method used

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Embodiment Construction

[0027] like figure 1 , Figure 5 Shown, the structure of the backwashable filter of the present invention is as follows:

[0028] The filter is composed of a drive device 1, a sewage device 3, a filter housing 4, a filter unit 6, etc., and the drive device 1 is installed on one side of the filter housing 4, and the filter housing 4 is provided with Sewage discharge device 3 and filter unit 6, one end of sewage discharge device 3 is connected with driving device 1, the other end of sewage discharge device 3 is provided with sewage suction nozzle 23, and sewage discharge device 3 is also provided with sewage discharge port 24, in filter housing 4 One end is equipped with a sewage discharge chamber 2, the sewage suction pipe mouth 23 communicates with the sewage discharge chamber 2 through the sewage discharge port 24, and a sewage discharge pipe 29 is arranged on the filter housing 4, the sewage discharge chamber 2 communicates with the sewage discharge pipe 29, and the sewage ...

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Abstract

The invention relates to a device for filtering a fluid medium transported in a pipeline, in particular to a backwashing filter which can filter impurities in the fluid medium in various use environments. The filter is provided with a driving device, a blowdown device, a filter shell and a filtering unit, the driving device is arranged at one side of the filter shell, the filter shell is internally provided with the blowdown device and the filtering unit, and one end of the blowdown device is connected with the driving device. The filter has the advantages of simple and compact structure, little occupied land and better filtering and backwashing effects, can work normally in various pressure conditions and solves the problems of tedious control process, multiple fault points and large resistance loss when the device runs existing in the prior art.

Description

technical field [0001] The invention relates to a device for filtering fluid medium transported by pipelines, in particular to a backwashable filter capable of filtering impurities in the fluid medium under various usage environments. Background technique [0002] Existing disc-type (or laminated) self-cleaning filters are composed of several independent filter units, and each filter unit is composed of a unit housing, a grooved disc group, and a nozzle with a reverse spout. It is composed of water collecting device, unit shell, reversing valve and reversing solenoid valve. Regardless of whether the filter unit and the reversing valve adopt a split structure or an integrated structure, the control principle is to control a fluid pressure source by controlling an actuator (such as a solenoid valve), thereby controlling the diaphragm formed on the reversing valve. The pressure in the membrane cavity makes the diaphragm form a displacement conversion to control the flow direct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D29/66B01D29/46
Inventor 王克涛
Owner 罗兰德流体控制(营口)有限公司
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