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Modified gas filter suitable for instrument systems

A technology of gas filter and instrumentation system, which is applied in the direction of dispersed particle filtration, chemical instruments and methods, and separation of dispersed particles. It can solve the problems of high temperature resistance of the filter, and achieve enhanced filtering effect, good wear resistance, and good scalability. Effect

Inactive Publication Date: 2016-11-30
SAILUOKE FLUID EQUIP INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is the problem of high temperature resistance of the filter, and the purpose is to provide an improved gas filter suitable for instrumentation systems and solve the problem that traditional filters cannot work in high temperature environments

Method used

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  • Modified gas filter suitable for instrument systems

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Embodiment

[0021] Such as figure 1 As shown, an improved gas filter suitable for an instrument system of the present invention includes an inlet valve body 1, which is radially symmetrical with respect to the air flow direction, and the inlet valve body 1 and the outlet valve body 3 form a cavity. In the cavity, according to the direction of air flow, there are spring 5 and filter element 2 in sequence. One end of spring 5 is on the filter element 2, and the other end of spring 5 is on the inlet valve body 1. There is a vent inside the inlet valve body 1. The diameter of the vent is smaller than the diameter of the spring 5, the inlet valve body 1 and the outlet valve body 3 are squeezed against each other, and the hard sealing surface 4 is formed through interference fit, the minimum clearance of the hard sealing surface 4 is zero, and the filter element 2 is located on the outlet valve body 3 Inside, the spring 5 is in a compressed state and is made of rust-free steel material. The spr...

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Abstract

The invention discloses a modified gas filter suitable for instrument systems. The modified gas filter comprises an inlet valve body; the inlet valve body is radially symmetric in the air flowing direction; a cavity is formed by the inlet valve body and an outlet valve body; a spring and a filter element are arranged in the cavity successively along the air flowing direction; one end of the spring is pressed against the filter element, and the other end is pressed against the inlet valve body, a ventilation opening is arranged in the inlet valve body; the diameter of the ventilation opening is smaller than the diameter of the spring; the inlet valve body and the outlet valve body are pressed against each other, and a hard sealing surface is formed via interference fit; and the smallest gap value of the hard sealing surface is zero. The hard sealing surface contains no binder, and is prepared from a pure metal material; operation can be realized under a highest temperature of 900 Fahrenheit degrees; and a problem that operation of common high temperature resistant filters at high temperature is impossible to realize is solved preferably.

Description

technical field [0001] The invention relates to a filtering device, in particular to an improved gas filter suitable for an instrument system. Background technique [0002] The filter has been developed rapidly in the past 20 to 30 years. Through the filter, the inclusions in the molten metal can be effectively removed or reduced, the purity of the molten metal can be improved, and the surface of the cast metal casting is smooth and the structure is uniform. , the strength is improved, the scrap rate is reduced, and the machining loss is further reduced, and the labor productivity is improved. This type of product is mainly used for metal casting filtration in the foundry industry, and is suitable for casting of cast steel, cast iron, cast aluminum, alloy, non-ferrous metal castings and large castings. Therefore, the products are widely used in the casting of various castings in machinery manufacturing industries such as automobiles, shipbuilding, locomotives, agricultural ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D46/24
CPCB01D46/0002B01D46/0013B01D46/2411
Inventor 魏海洋
Owner SAILUOKE FLUID EQUIP INC
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