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Automatic pressure supplementing device for gas fire extinguishing system

A decompression device and gas technology, applied in fire rescue and other directions to avoid system failure

Pending Publication Date: 2019-07-12
北京市正天齐消防设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical deficiencies of the existing gas fire extinguishing equipment, and to provide an automatic pressure replenishing device for the gas fire extinguishing system

Method used

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  • Automatic pressure supplementing device for gas fire extinguishing system
  • Automatic pressure supplementing device for gas fire extinguishing system
  • Automatic pressure supplementing device for gas fire extinguishing system

Examples

Experimental program
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Effect test

Embodiment example 1

[0009] Implementation Case 1, such as figure 2 As shown, one of the cabinet-type gas fire extinguishing systems has an automatic pressure supplement device, which includes: a pressure supplement gas storage container 9, a container valve 1, a pressure supplement pipeline 7, a decompression device 8, and a one-way valve 5 , Safety valve 3. The pressurized gas storage container 9 is connected with the container valve 1 through threads, and the container valve 1 is equipped with a pressure indicating device 2 . Container valve 1, decompression device 8, one-way valve 5, and safety valve 3 are connected sequentially through the pressure supplement pipeline 7, and the pressure supplement pipeline should be made of seamless pipe, and the material should be corrosion-resistant or the inner and outer surfaces should be treated with anti-corrosion coating , or made of corrosion-resistant metal materials, or high-pressure hoses, rubber tubes. Connect this set of supplementary pressur...

Embodiment example 2

[0010] Implementation Case 2, such as image 3 As shown, a pressure supplement device with automatic pressure supplement function includes: a pressure supplement gas storage container 9 , a container valve 1 , a pressure supplement pipeline 7 , a decompression device 8 , a one-way valve 5 , and a safety valve 3 . The pressurized gas storage container 9 is connected with the container valve 1 through threads, and the container valve 1 is equipped with a pressure indicating device 2 . Container valve 1, decompression device 8, one-way valve 5, and safety valve 3 are connected sequentially through the pressure supplement pipeline 7, and the pressure supplement pipeline should be made of seamless pipe, and the material should be corrosion-resistant or the inner and outer surfaces should be treated with anti-corrosion coating , or made of corrosion-resistant metal materials, or high-pressure hoses, rubber tubes. Connect this set of pressure supplementing device to the pressurized ...

Embodiment example 3

[0011] Implementation Case 3, such as image 3 As shown, a pressure supplement device with automatic pressure supplement function includes: a pressure supplement gas storage container 9 , a container valve 1 , a pressure supplement pipeline 7 , a decompression device 8 , a one-way valve 5 , and a safety valve 3 . The pressurized gas storage container 9 is connected with the container valve 1 through threads, and the container valve 1 is equipped with a pressure indicating device 2 . Container valve 1, decompression device 8, one-way valve 5, and safety valve 3 are connected sequentially through the pressure supplement pipeline 7, and the pressure supplement pipeline should be made of seamless pipe, and the material should be corrosion-resistant or the inner and outer surfaces should be treated with anti-corrosion coating , or made of corrosion-resistant metal materials, or high-pressure hoses, rubber tubes. Connect this set of pressure supplementing device to the pressurized ...

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Abstract

The invention discloses an automatic pressure supplementing device used in a fire protection gas fire extinguishing system. The automatic pressure supplementing device comprises a pressure supplementing gas storage container, a container valve, a pressure supplementing pipeline, a pressure reducing device and a one-way valve. According to the specific technical scheme, the container valve is arranged on the pressure supplementing gas storage container, a pressure indicating device is arranged on the container valve, and the container valve, the pressure reducing device and the one-way valve are sequentially connected through the pressure supplementing pipeline. The pressure supplementing device is connected to a pressurized gas charging port of gas fire extinguishing equipment. After pressure in the pressure supplementing gas storage container is reduced by the pressure reducing device, the pressure of the pressure supplementing gas storage container is the lower limit value of the normal working pressure range of the gas fire extinguishing equipment. When the working pressure in the gas fire extinguishing equipment is lower than the lower limit value of the normal working pressurerange, the pressure supplementing gas enters a chemical storage container of a gas fire extinguishing system through the one-way valve for pressure supplementing, and when the pressure is equal to the pressure of the pressure supplementing pipeline, pressure supplementing is stopped. According to the pressure supplementing device, the phenomenon of pressure drop of a gas fire extinguishing product, caused by slow trace leakage, is avoided, and system failure caused by pressure drop is avoided.

Description

technical field [0001] The invention belongs to the field of fire-fighting gas fire extinguishing, in particular to an automatic pressure replenishing device for a gas fire extinguishing system. Background technique [0002] Gas fire extinguishing equipment is often affected by factors such as the existing production and processing technology level or the external environment, which makes the fire extinguishing agent storage container in the fire extinguishing equipment leak slowly. This kind of leakage is often found in pressure gauges, container valves, etc. In most cases, it is only the leakage of pressurized gas. If the maintenance is not timely, the pressure in the fire extinguishing agent storage container will be lower than the system requirement over time. If the pressure continues to drop, it will even cause the leakage of expensive fire extinguishing agent. The fire extinguishing effect cannot be guaranteed and even lead to Unable to extinguish the fire; even if th...

Claims

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Application Information

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IPC IPC(8): A62C13/66A62C13/76
CPCA62C13/66A62C13/76
Inventor 王超周子安刘敏李伟强申志文
Owner 北京市正天齐消防设备有限公司
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