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Explosion valve

A technology of bursting valves and bursting discs, which is applied in the direction of balance valves, valve devices, safety valves, etc., and can solve problems such as reducing the pressure bearing capacity of bursting discs

Inactive Publication Date: 2020-06-05
BEIJING XINGJI RONGYAO SPACE TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Before the blasting valve is used, it is necessary to test the air tightness of the blasting valve; since the bursting disc inside the blasting valve is provided with a notch for blasting, under the action of the detection pressure, the bursting disc will deform along the notch, reducing the risk of blasting. The pressure bearing capacity of the sheet under normal working conditions

Method used

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Embodiment Construction

[0035] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...

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Abstract

The invention provides an explosion valve, and belongs to the technical field of safe pressure relief. The explosion valve comprises a gland, a rupture disk and a casing, wherein the gland is providedwith a first outflow channel; the rupture disk covers an outlet of the first outflow channel and is partially supported on the gland, and an annular nick is located in area, used for being supportedon the gland, of the rupture disk; one end of the casing is propped against the rupture disk and is in sealed connection with the gland; one end, used for being propped against the rupture disk, of the casing is contacted with an external area of the annular nick; a second outflow channel communicating with the first outflow channel is arranged in the casing and coaxial to the first outflow channel. According to the position relation of the annular nick in the explosion valve, when one side, facing the casing, of the rupture disk is subjected to detection pressure, the deforming position of the rupture disk is located in the annular nick, and the rupture disk cannot deform along the annular nick; and the influence of gas tightness detection on pressure bearing capacity of the rupture diskcan be avoided.

Description

technical field [0001] The invention relates to the technical field of pressure relief, in particular to a burst valve. Background technique [0002] The burst valve is a safety pressure relief device used to protect the pressure vessel from damage due to overpressure. It has the advantages of simple structure and good sealing performance. It is suitable for the working environment where the viscosity of the working medium is high, the corrosion performance is strong and the pressure rises sharply, and ordinary safety valves cannot do it. [0003] Before the blasting valve is used, it is necessary to test the air tightness of the blasting valve; since the bursting disc inside the blasting valve is provided with a notch for blasting, under the action of the detection pressure, the bursting disc will deform along the notch, reducing the risk of blasting. The pressure bearing capacity of the sheet under normal working conditions. Contents of the invention [0004] Therefor...

Claims

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Application Information

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IPC IPC(8): F16K17/16G01M3/02B01D46/10B01D35/04B01D29/01
CPCB01D29/01B01D35/04B01D46/10F16K17/16G01M3/02
Inventor 彭小波刘中祥张玺魏一
Owner BEIJING XINGJI RONGYAO SPACE TECH CO LTD
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