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Natural gas pipeline automatic antileak protective system

A natural gas pipeline and protection system technology, applied in the field of automatic anti-leakage protection devices for natural gas pipelines, can solve problems such as wasting time, excessive natural gas or coal gas, and long valve distances

Inactive Publication Date: 2009-09-30
许承革
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the distance between the two valves is relatively long, there is a lot of natural gas or coal gas in the pipeline, and there is still a certain pressure. When the accident occurs, all the gas in the pipeline is released, and the maintenance can only be carried out when the pressure in the pipeline is low. After that, turn on the switch at both ends to restore the air supply
A lot of time is wasted in the process of releasing natural gas or coal gas, and the loss of gas causes great economic losses and pollutes the environment

Method used

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Examples

Experimental program
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Embodiment Construction

[0011] exist figure 2 In the sectional view of I-I, the stainless steel mesh (2) is installed in the cover (1), fixed with the pressure ring (3), the cover (1) is installed on the ring sleeve (4), and the umbrella cap (8) is installed on the umbrella frame In (7), load onto spring (6) on umbrella cap (8) again, the other end of umbrella cap (8) is installed spring stopper (5) to be used for limiting spring (6) to move within a certain range, circle Annulus (4) is installed in an end of mainboard (9), and the one-piece pipe (10) is installed in the other end of mainboard (9), and throws away fixing nut (11) and fixes. The ball plug cap (12) is installed in the conjoined pipe (10) and connected with the positioning rod (13), and the positioning rod (13) is positioned through the hole on the positioning frame (14) to limit the direction in which the positioning rod (13) moves. The main board (9) is welded together with the main body pipeline (15).

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PUM

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Abstract

The invention relates to a natural gas pipeline automatic antileak protective system capable of closing and opening automatically in a natural gas pipeline. A blind cover is provided with a stainless steel mesh fixed by a pressing ring; a circular ring sleeve is arranged on one end of a main board; an umbrella cap frame is arranged in the circular ring sleeve; an umbrella cap is arranged in the umbrella cap frame and then is sleeved with a spring which is fixed on the other end of the umbrella cap by a spring baffle plate to be limited so as to move in a certain range; a jointed pipe is arranged on the other end of the main board and is fixed by a fixed screw cap; a ball plug cap is placed in the jointed pipe; a positioning rod is connected with a ball plug cap; and a positioning frame is connected with the jointed pipe to limit the moving direction and position of the positioning rod.

Description

Technical field [0001] The invention relates to an automatic anti-leakage protection device for natural gas pipelines, in particular to an automatic anti-leakage protection system for natural gas pipelines that can be automatically opened and closed. Background technique [0002] At present, in the process of natural gas pipeline transportation, all manual switches are used. When the natural gas pipeline breaks somewhere, a large amount of natural gas or coal gas leaks in the pipeline, and the staff starts to close the valve after learning of the accident. Both ends are closed, so that the gas source at the place where the accident occurs can be cut off. However, the distance between the two valves is relatively long, there is a lot of natural gas or coal gas in the pipeline, and there is still a certain pressure. When the accident occurs, all the gas in the pipeline is released, and the maintenance can only be carried out when the pressure in the pipeline is low. After tha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/22
Inventor 许承革
Owner 许承革
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