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Nitrogen valve group used for safety protection

A safety protection, nitrogen valve technology, used in gas/liquid distribution and storage, pipeline systems, mechanical equipment, etc., can solve problems such as nitrogen suffocation, explosion, environmental pollution, etc., and achieve the effect of controlling the deterioration of accidents

Inactive Publication Date: 2016-06-15
CONNELL CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the short reaction time of the flammable and explosive production system, in the emergency state of the production system, the process of nitrogen gas can be delayed by removing the blind plate first and then connecting the pipeline, which can easily cause fire, poisoning and explosion. , nitrogen suffocation and other safety accidents will also cause environmental pollution

Method used

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  • Nitrogen valve group used for safety protection
  • Nitrogen valve group used for safety protection

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0012] refer to figure 2 , the present invention is used for the nitrogen valve group of safety protection, and it comprises first valve 1, second valve 2, nitrogen pipeline 7, one-way valve 4, nitrogen branch line 8 and the 3rd valve 3, described first valve 2 and The second valve 1 is in sealing communication with the nitrogen pipeline 7, the first valve 1 is in sealing connection with the nitrogen system 5, the second valve 2 is in sealing connection with the production system or equipment 6, and the one-way valve 4 is placed between the first valve 2 and the second The valves 1 are sealed and connected to the nitrogen pipeline 7. One end of the nitrogen sub-pipeline 8 is placed between the second valve 2 and the one-way valve 4 and is in sealing communication with the nitrogen pipeline 7, and the other end is in sealing connection with the third va...

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Abstract

The present invention is a nitrogen valve group for safety protection, which includes a first valve, a second valve, and the first valve and the second valve are sealed and communicated, and is characterized in that it also includes a one-way valve, a nitrogen branch line and a third Valve, the one-way valve is sealingly connected between the second valve and the first valve, one end of the nitrogen branch line is placed in sealing communication between the second valve and the one-way valve, and the other end is sealingly connected with the third valve. When using, first open the first valve, then open the third valve, after a large amount of nitrogen is discharged from the third valve, close the third valve, and at the same time, open the second valve, the nitrogen system passes through the first valve, one-way valve and the second valve in sequence. The second valve feeds nitrogen into the accident pipeline or equipment of the production system, quickly and effectively dilutes or replaces the flammable and explosive medium in the leaking part, and effectively controls the deterioration of the accident.

Description

technical field [0001] The invention relates to the chemical industry and the fully enclosed production and transportation of flammable and explosive fluids. It is a nitrogen valve group for safety protection, which is used to protect the safety of production and transportation systems during emergency or inert gas replacement. Background technique [0002] Nitrogen, chemical formula N 2 , usually a colorless, odorless gas, and usually non-toxic, and generally nitrogen is less dense than air. Nitrogen accounts for 78.12% (volume fraction) of the total atmosphere and is the main component of air. Under standard atmospheric pressure, when cooled to -195.8°C, it becomes a colorless liquid, and when cooled to -209.8°C, liquid nitrogen turns into a snow-like solid. The chemical nature of nitrogen is inactive, and it is difficult to react with other substances at room temperature, but it can undergo chemical changes with certain substances under high temperature and high energy ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D1/02F17D3/01F17D5/00
CPCF17D1/02F17D3/01F17D5/00
Inventor 董文刚常文志
Owner CONNELL CHEM IND
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