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Filter

A technology of filters and filter cartridges, which is applied in the direction of dispersed particle filtration, chemical instruments and methods, and separation of dispersed particles. It can solve problems such as easy corrosion of pipe walls, and achieve the effects of cost saving, convenient maintenance, and convenient cleaning and maintenance.

Inactive Publication Date: 2013-11-27
CHENGDU TIANYI NATURAL GAS COMPRESSOR MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a filter to solve the problem that a small amount of impurities are easy to corrode the pipe wall in natural gas transportation, so as to achieve the purpose of improving the efficiency of natural gas transportation

Method used

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Embodiment 1

[0018] like figure 1 As shown, this embodiment includes a housing 2, the housing 2 is provided with an air inlet 1 and an air outlet 3, the bottom of the housing 2 is provided with a drain valve 5, and a filter cartridge 4 is installed inside the housing 2, and the filter cartridge 4 It communicates with the air inlet 1, the air outlet 3 communicates with the inside of the housing 2, and the filter cartridge 4 includes a multi-layer filter mesh. The upper part of the shell 2 is connected and fixed with the external mounting frame by welding, and the bottom of the shell 2 is equipped with a drain valve, which can not only play the role of emptying and pressure relief, but also can isolate the solid particles or Elimination of liquid impurities facilitates the cleaning and maintenance of the filter cartridge 4; larger particles of dust or impurities in the natural gas passing through the air inlet 1 do inertial motion with the high-speed flow of natural gas. When the air flow en...

Embodiment 2

[0021] like figure 1 As shown, on the basis of Embodiment 1, this embodiment also includes a differential pressure gauge arranged on the surface of the casing 2, and the two ends of the differential pressure gauge communicate with the air inlet 1 and the air outlet 3 respectively. Generally, the filter will be cleaned regularly, but due to uncertain factors, the filter element net will be damaged, and the failure to clean and check in time will greatly reduce the filtering effect of natural gas; the differential pressure gauge can indicate the pressure change value at the front and rear ends of the filter in real time, It provides a scientific basis for the filter to count the appropriate cleaning time, saves cost, time, and facilitates maintenance, and can effectively save energy and reduce consumption.

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Abstract

The invention discloses a filter. The filter comprises a shell, wherein an air inlet and an air outlet are formed in the shell; a sewage discharging valve is arranged at the bottom of the shell; a filter cartridge is arranged inside the shell and is communicated with the air inlet; the air outlet is communicated with the interior of the shell; the filter cartridge comprises a plurality of layers of filter screens; the upper part of the shell is fixedly welded together with an external installation rack. By arranging the sewage discharging valve at the bottom of the shell, effects of evacuation and decompression can be achieved, solid particles or liquid impurities isolated from the interior of the filter cartridge can be removed, and the filter cartridge is convenient to clean and maintain.

Description

technical field [0001] The invention relates to a filter, in particular to a filter. Background technique [0002] A filter is often used in the transmission and distribution of town gas. The natural gas entering the gas distribution station always contains a small amount of micron or submicron impurities due to long-distance transportation or other reasons (natural gas will corrode the inner wall of the pipeline, the upper gas gathering station, purification plant or gas distribution station Separation, dedusting, and purification of natural gas (residual impurities after purification) affect the normal and stable operation of the pressure regulator and metering device in the station, so the last station that supplies gas to users must purify and remove dust from the upper level to ensure Smooth air supply. Contents of the invention [0003] The invention provides a filter, which solves the problem that a small amount of impurities are easy to corrode the pipe wall in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/24
Inventor 孙伟余世春
Owner CHENGDU TIANYI NATURAL GAS COMPRESSOR MFG
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