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A sealing ring for a valve, a detection device and a detection method using the same

A sealing ring and valve technology, applied in the field of valves, can solve the problems of inconvenient detection of the damage of the sealing ring, and achieve the effect of ensuring normal work.

Active Publication Date: 2018-02-27
山东创星电力辅机设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, when there is a gap between the gate plate and the sealing ring due to wear, the high-pressure gas will easily blow out the sealing ring, and the damage degree of the sealing ring will gradually increase, and the damage of the sealing ring is inconvenient to detect

Method used

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  • A sealing ring for a valve, a detection device and a detection method using the same
  • A sealing ring for a valve, a detection device and a detection method using the same
  • A sealing ring for a valve, a detection device and a detection method using the same

Examples

Experimental program
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Effect test

Embodiment 1

[0029] Such as figure 1 As shown, a sealing ring for a valve is provided. An air channel for detecting the damage degree of the sealing ring is provided inside the sealing ring, and the air channel can communicate with an air source 12 .

[0030] The air passage is an annular air passage, preferably a circular air passage. If the air passage is an annular air passage, as long as the leakage of the annular air passage is detected, it will be detected that the sealing ring has been damaged to the air passage, so no matter where the sealing ring is damaged in the air passage, it can be detected.

[0031] The technical features of this solution also include: the above-mentioned air passage includes an air storage tank I2 arranged on the sealing ring, and a sealing member for sealing the air storage tank I2.

[0032] Preferably, the gas storage tank I2 is circular, and the gas storage tank I2 can be cut directly on the sealing ring, which is convenient for processing and manufactu...

Embodiment 2

[0041] Such as figure 2 Shown: The difference from Example 1 is that the air channel is a group of air storage holes 15 distributed in a ring. In this embodiment, the inlet of the air storage holes 15 is set in the air storage tank II5. A group of air storage holes 15 are arranged in a circular distribution. When a gas storage hole 15 leaks, it can be detected that the sealing ring has been damaged to the air passage. The air passage is a group of air storage holes 15 distributed in a ring. On the one hand, it is convenient for processing , On the other hand, relative to the air channel is an annular air channel, the strength of the sealing ring is higher. The size of the distance between adjacent gas storage holes 15 will affect the sensitivity of detection and the strength of the sealing ring. Preferably, the distance between adjacent gas storage holes 15 is 5 mm ~ 10 mm, and this distance refers to the distance between adjacent gas storage holes 15. the shortest distance ...

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Abstract

The invention discloses a sealing ring for a valve and a detecting device and detecting method using the sealing ring, and belongs to the technical field of valves. According to the sealing ring for the valve, an air way for detecting the damage degree of the sealing ring is arranged inside the sealing ring and can be communicated with an air source. The air way for detecting the damage degree of the sealing ring is arranged on the sealing ring, the valve can be conveniently maintained, and normal work of the valve can be ensured.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a sealing ring for a valve and a detection device using the sealing ring. Background technique [0002] In ordinary valves, due to the frequent opening and closing of the valve, the friction between the gate plate and the inner wall of the guard plate of the valve is easy to cause wear. Once the gate plate and / or the guard plate of the valve are worn, the sealing performance of the valve will be affected. [0003] Especially for the valves used in the current powder pneumatic conveying industry, the pneumatic conveying requires the valves to be well sealed and durable. If the valve wants to have good sealing performance, the gap between the gate and the inner wall of the housing must be reduced. Reducing the gap between the gate and the inner wall of the housing will greatly increase the wear between the gate and the inner wall of the housing. , In addition, the role of conveying...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K3/30F16K37/00G01M13/00
CPCF16K3/30F16K37/00G01M13/005
Inventor 马莉王懿赵坤李金桐朱汉奇
Owner 山东创星电力辅机设备有限公司
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