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Filter

A filter and filter membrane technology, which is applied in the direction of dispersed particle filtration, chemical instruments and methods, and the separation of dispersed particles, can solve the problems of easy clogging of filter membranes, reduce maintenance costs, have obvious technical effects, and solve the effects of easy clogging

Inactive Publication Date: 2012-04-11
BEIJING SDL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The core of the present invention is to provide a filter, which effectively solves the problem that the filter membrane is easily blocked during operation

Method used

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Embodiment Construction

[0026] The core of the invention is to provide a filter, which can effectively solve the problem that the filter membrane is easily blocked, and does not need an external power supply during operation, and is an intrinsically safe and explosion-proof product.

[0027] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] see figure 1 , figure 1 Schematic diagram of the structure of the filter provided by the embodiment of the present invention.

[0029] Such as figure 1 As shown, in a specific embodiment, the filter provided by the present invention is installed vertically, including a filter upper cover 1 , a filter cylinder 5 and a filter membrane 3 . The filter upper cover 1 is provided with an air outlet channel 11 , which is welded to the filter cylinder 5 and sealed...

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Abstract

The invention discloses a filter comprising a filter upper cover, a filter cylinder and a filter membrane. The filter upper cover is connected with the filter cylinder and the filter membrane is set therebetween and forms an air inlet cavity with the filter cylinder. The filter cylinder is set with an air inlet passage communicated with the air inlet cavity. The air inlet passage is provided with a guide face close to the external wall of the filter cylinder. Air flow flows through the guide face to generate parallel force to the filter membrane. After the to-be-filtered air enters the air inlet cavity of the filter via the air inlet passage, the guide face on the air inlet passage exerts force parallel to the filter membrane to the air. After being filtered by the filer membrane, the air flows out the filter. The filter can conduct water removal and dust removal to air, and at the same time, can clean the filter membrane to make it in working state for a long time in order to solve the problem that the filter membrane is easily blocked during the working process, to prolong the service life of the filter and to reduce the maintenance cost thereof.

Description

technical field [0001] The invention relates to the technical field of filtering devices, in particular to a self-cleaning filter. Background technique [0002] Pretreatment of sample gas for gas analysis is the primary task for accurate gas analysis. Gas analysis pretreatment refers to the preparation process before gas data analysis. The main purpose is to achieve gas water removal, dust removal, cooling, drying, etc., so as to ensure the accuracy and reliability of gas analysis data. An important part. The sample gas is the sample gas, which is the process gas discharged from the factory or the tail gas discharged from the equipment. [0003] In the gas pretreatment analysis system, if the sample gas contains more impurities such as water vapor or corrosive gas, there will be more sewage in the sampling pipeline. Moreover, if the sample gas containing impurities enters the precision filter directly, it will have a negative impact on the service life of the precision fi...

Claims

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Application Information

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IPC IPC(8): B01D46/54
Inventor 隗功曼
Owner BEIJING SDL TECH