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An emergency cut-off valve

A cut-off valve, emergency technology, applied in the direction of valve details, safety valves, balance valves, etc., can solve the problem that the emergency cut-off valve is not suitable for transporting high-risk chemicals, and achieve the effect of avoiding corrosion and good chemical compatibility

Inactive Publication Date: 2016-03-02
FORT VALE ENG SHANGHAI LTD
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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 to provide a new type of emergency shut-off valve in order to overcome the defect that the emergency shut-off valve in the prior art does not meet the working conditions of transporting high-risk chemicals

Method used

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Embodiment Construction

[0030] The preferred embodiments are given below, and the present invention will be described more clearly and completely in conjunction with the accompanying drawings.

[0031] Such as Figure 1 to Figure 7 As shown, an emergency shut-off valve is used for the transportation of high-risk chemicals, which includes an angle-shaped valve body 1, an accommodating chamber 2 arranged in the valve body 1, and an accommodating chamber 2 arranged in the accommodating chamber 2 and extending out of the accommodating chamber. The ejector rod 3 of the chamber 2, a driving device 4 for driving the ejector rod 3 to slide in the accommodation chamber 2, a valve plate device 5, an inlet flange 6, and a flow channel 7 arranged in the valve body 1 , The outer surface of the valve body 1 at the corner is provided with a concave shearing groove 10 . The emergency shut-off valve also includes a set of sealing bellows 8 arranged on the head end of the ejector rod 3, a ejector rod guide rail 9 arr...

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PUM

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Abstract

The invention provides an emergency cut-off valve used for transportation of high-danger chemicals. The emergency cut-off valve comprises an angular valve body, an accommodating cavity in the valve body, a push rod disposed in the accommodating cavity and extended out of the accommodating cavity, a drive device used for driving the push rod to slide in the accommodating cavity, a valve plate device, an inlet flange, and a runner in the valve body. The outer surface at the corner of the valve body is annularly provided with a concave cutting groove. The emergency cut-off valve also comprises a sealing corrugated pipe sleeving the head end of the push rod, and a push rod guide rail arranged in the accommodating cavity and fixedly connected with the valve body; the head end of the sealing corrugated pipe is pressed against the valve plate device and the tail end of the sealing corrugated pipe is embedded in the accommodating cavity hermetically; the push rod guide rail is embedded between the push rod and the tail end of the sealing corrugated pipe. The emergency cut-off valve is great in corrosion resistance and airtightness, is suitable for the transportation of high-danger chemicals, has an emergency cut-off function and is highly safe.

Description

technical field [0001] The invention relates to a valve for transporting high-risk chemicals, in particular to an emergency cut-off valve. Background technique [0002] At present, most of the cargo transportation valves installed on container tanks or tank trucks on the market for transporting high-risk chemicals use plastic ball valves or plastic-lined ball valves. Accidentally opened, resulting in the leakage of high-risk chemicals, causing casualties and environmental pollution. Sometimes, once the strong corrosive chemicals it carries leak, it can even directly corrode the cement floor, causing very serious accidents. [0003] However, the existing emergency shut-off valves currently on the market are not suitable for the working conditions of transporting high-risk chemicals, because their internal flow channels are relatively complicated and lack sufficient anti-corrosion design, and their mechanical parts are exposed in the flow channels. , The strong corrosive liqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/40F16K31/02
Inventor 赵云
Owner FORT VALE ENG SHANGHAI LTD
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