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Filter

A filter and filter unit technology, applied in the direction of filtration separation, fixed filter element filter, chemical instrument and method, etc., can solve the problems of the pressure and flow of the supply medium, the pipeline cannot supply the medium normally, and the troubleshooting rate is high. , to achieve the effect of improving the service life, prolonging the backwash cycle, reducing losses and operating costs

Inactive Publication Date: 2009-01-28
王克涛
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its structure is relatively complex, the troubleshooting rate is high, and it needs to be shut down during maintenance, so that the pipeline cannot supply and transport the medium normally.
When the filter is back-cleaning impurities, each filter unit must be shut down one by one for back-cleaning, and the other filter units are working normally, but because one filter unit is missing, the pressure and flow of the supply medium are affected

Method used

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Embodiment Construction

[0032] Such as Figure 1-5 Shown, filter structure of the present invention is as follows:

[0033] The filter is composed of an inlet pipeline 3, a filter unit group 2, a sewage pipeline 5, an outlet pipeline 9 and the like. Inlet pipeline 3 communicates with the inlet of each filter unit of filter unit group 2, and outlet pipeline 9 communicates with the outlet of each filter unit of filter unit group 2; The valve body at the bottom of the filter unit 4 is equipped with a solenoid valve 6 that controls the opening and closing of the valve body; there is a filter inlet 1 at one end of the inlet pipeline 3, and between the inlet pipeline 3 and each filter unit of the filter unit group 2 There is an inlet shut-off valve 10, and the inlet pipeline 3 is connected to each filter unit through the inlet shut-off valve 10; a bypass shut-off valve 11 is provided at the lower part of the inlet pipeline 3, and the lower part of the bypass shut-off valve 11 is connected to the outlet pi...

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Abstract

The invention relates to a device which carries out the filtration on the fluid medium conveyed by the pipeline, in particular to a cleanable filter which can realize the hydrocyclone separation, surface interception and deep filtration of the impurity in the fluid medium at the same time. The filter is provided with a filter unit which consists of a filter unit shell and a valve body which are connected with each other; one side of the valve body is provided with a unit medium inlet and the other side thereof is provided with a sewage outlet; the internal side of the valve body is provided with a hydrocyclone passage; one side of the hydrocyclone passage is provided with a diaphragm valve port which is provided with an inlet diaphragm sheet; the other side of the hydrocyclone passage is provided with a sewage drainage diaphragm valve port which is provided with the sewage drainage port diaphragm sheet. Due to the design of the hydrocyclone passage, the device of the invention leads the medium to form the hydrocyclone when entering the filter unit, leads most impurities in the medium to be thrown towards the internal wall of the filter unit shell by the hydrocyclone centrifuging and be far away from a disc column, thus greatly lightening the filter load of the disc column and prolonging the service life of the filter.

Description

technical field [0001] The invention relates to a device for filtering a fluid medium transported by a pipeline, in particular to a washable filter capable of simultaneously realizing cyclone separation, surface interception and deep filtration of impurities in the fluid medium. Background technique [0002] Existing disc type (or lamination type) self-cleaning filters all are combined by several filter units. Each filter unit is composed of a unit housing, a grooved disc group, a three-column reverse nozzle, a unit housing seat and a reversing valve. Its structure is relatively complicated, the troubleshooting rate is high, and it needs to be shut down during maintenance, so that the pipeline cannot supply and transport medium normally. When the filter is back-cleaning impurities, each filter unit must be shut down one by one for back-cleaning, and other filter units are working normally, but because one filter unit is missing, the pressure and flow of the supply medium ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/02
CPCB01D29/15B01D35/303B01D29/66
Inventor 王克涛
Owner 王克涛
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