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Coal gas explosion-proof rapid purging device

A fast, gas-fired technology, applied in gas/liquid distribution and storage, pipeline systems, mechanical equipment, etc., can solve problems such as the inability to realize fast automatic purging, difficulty in ensuring safe production, etc., to achieve safe and fast automatic purging, prevent gas Back channeling, good effect

Inactive Publication Date: 2013-03-06
夏俊双
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the pressure of the gas drops sharply, leaks, or catches fire, this simple purging device cannot realize the rapid and automatic purging function, and it is difficult to ensure safe production

Method used

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  • Coal gas explosion-proof rapid purging device
  • Coal gas explosion-proof rapid purging device

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Embodiment Construction

[0010] Such as figure 1 , 2 As shown, this gas explosion-proof quick purging device includes a housing 3 and a movable gas pipe 1 and a fixed air guide pipe 15 arranged outside the housing 3. The gas pipe 1 and the air guide pipe 15 are respectively provided with a gas ball valve 20 and a gas guide pipe 15. The gas ball valve 23, the other end of the gas ball valve 20 is connected to the fire extinguishing gas pipe 16, nitrogen gas is inserted into the fire extinguishing gas pipe 16, and the other end of the gas ball valve 23 is connected to the gas pipeline, and a partition plate 7 is mainly fixed in the housing 3 And the air-guiding dynamic interface mechanism 2 and the air-guiding static interface mechanism 14 and the ball valve control mechanism 19 linked with it are arranged on both sides of the partition plate 7; , moving magnet 9, the moving magnet 9 is connected to the partition plate 7 through the fixed plate 8, the sliding guide rod 4 with the return spring 6 is set...

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PUM

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Abstract

The invention discloses an explosion-protection rapid purging device for natural gas systems, which comprises a shell, a gas pipe and an gas-guide pipe both arranged outside the shell and respectively provided with a gas ball valve and a natural gas ball valve, a fire-extinguishing gas pipe connected with the other end of the gas ball valve, and a natural gas pipeline connected with the other end of the natural gas ball valve. The invention is characterized in that a partition is arranged inside the shell, and a gas-guide moving interface mechanism and a gas-guiding static interface mechanism together with linked ball valve control mechanisms thereof are arranged at two sides of the partition. The invention has the advantages of reasonable design, good effect, and strong function of automatic rapid purging; and is particularly incorporated in the PLC automatic control system together with the rapid cut-off valve, thereby realizing the rapid purging with capability of automatic safety control of natural gas.

Description

Technical field [0001] The invention relates to the technical field of gas use safety, in particular to a safety explosion-proof device for rapidly purging nitrogen or steam on gas equipment and facilities when gas equipment and facilities have low pressure or regional gas exceeds the standard before automatically cutting off gas. Background technique [0002] Industrial gas is not only highly toxic, but also has many impurities and strong corrosiveness. Due to the limitation of recovery process conditions, the pressure fluctuates greatly, which brings safety hazards to the use of gas. For example, impurity clogs the pipeline, which leads to a decrease in the pressure of the baking burner, which is prone to burner fire extinguishing, leakage and personnel poisoning accidents. Corrosion damages equipment, gas leakage occurs, and personnel poisoning accidents occur. Fluctuating low-pressure tempering, causing pipeline explosions and injury accidents. Therefore, with the wide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D5/00
Inventor 夏俊双
Owner 夏俊双
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