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Safety valve

A safety valve and valve disc technology, applied in the field of safety valves, can solve the problems of low temperature sealing specific pressure, leakage, and sealing effect reduction, etc., and achieve the effect of increasing high temperature sealing specific pressure, improving sealing effect, and preventing leakage.

Active Publication Date: 2015-09-16
HANGZHOU WORLDWISE VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The safety valve with this structure, especially under the condition of high temperature and high pressure, has a low high temperature sealing specific pressure, which reduces the sealing effect and causes leakage.

Method used

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Experimental program
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Embodiment Construction

[0020] The core of the present invention is to provide a safety valve, which can increase the high-temperature sealing specific pressure to improve the sealing effect and prevent leakage.

[0021] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] Please refer to Figure 1 to Figure 3 , figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the safety valve provided by the present invention; figure 2 A partial structural schematic diagram of a specific embodiment of the safety valve provided by the present invention; image 3 It is a partial structural schematic diagram of another specific embodiment of the safety valve provided by the present invention.

[0023] The safety valve provided by the specific embodiment of the present invention includ...

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PUM

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Abstract

The invention discloses a safety valve. The safety valve comprises a valve clack body (1) and a valve base (2), wherein the valve clack body (1) is far away from the valve base (2) or is close to the valve base (2) so as to control the sealing state of the safety valve; a thermal valve clack is fixedly connected onto the valve clack body (1); the thermal valve clack comprises a connection part (4) and an annular lip-type tail end (3); the external circumference of the lip-type tail end (3) is sealed with the valve clack body (1) through the connection part (4); the internal circumference of the lip-type tail end (3) is clung to the valve base (2) along with the movement of the valve clack body (1) so as to seal the valve clack body (1) and the valve base (2); a gap is formed between the lip-type tail end (3) and the valve clack body (1). Through the safety valve, the high-temperature sealing pressure ratio is increased and the sealing effect is improved, thereby avoiding leakage.

Description

technical field [0001] The invention relates to the field of valves, in particular to a safety valve. Background technique [0002] my country is currently the country with a large amount of valves in the world. As far as the power industry is concerned, the construction of large-scale high-parameter thermal power units with high efficiency and low pollution has entered a period of rapid development. As one of the key technologies of high-parameter thermal power units, the safety valve has been included in the major technical equipment plan of independent innovation, and the disc in the high-temperature and high-pressure safety valve is one of its high-end core components, which is related to safety. Valve operational reliability and service life. [0003] However, in the prior art, the general safety valve only moves toward the valve base through the disc body, and the function of the safety valve is realized by sealing the valve base through the disc body. The safety val...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/00F16K1/36
CPCF16K1/36F16K17/00
Inventor 陈立龙张明
Owner HANGZHOU WORLDWISE VALVE