A kind of gas leakage detection ring with self-convex light change at the interface of natural gas pipeline
A natural gas pipeline and detection ring technology, which is applied in the pipeline system, gas/liquid distribution and storage, mechanical equipment, etc., can solve the problems of dispersion, easy aging, hidden safety hazards, etc., increase the probability of leakage, and have an obvious reminder effect. The effect of reducing security risks
Active Publication Date: 2022-07-01
巴东县通龙燃气有限公司
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Problems solved by technology
[0005] The natural gas pipeline interface is prone to aging after long-term use, and there is a possibility of air leakage. When the natural gas leakage is small, although the natural gas has an odor, the content is small and it will disperse in the air, making it difficult to Discovered in time, due to its flammability, there is a greater safety hazard
Method used
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Embodiment 1
[0042] see Figure 1-3 , in the figure a represents a natural gas pipeline, a gas leakage detection ring with self-bulging light change at the natural gas pipeline interface, including a detection ring body 1 wrapped around the natural gas pipeline interface, and the detection ring body 1 is close to the inner wall of the natural gas pipeline. There are evenly distributed ventilation holes 3, a gas storage cavity 21 is drilled inside the detection ring body 1, and two mutually symmetrical gas changing holes 22 are drilled on the upper end of the detection ring body 1. The gas changing hole 22, the gas storage cavity 21 and the ventilation hole 3 Connected to each other, the inner wall of the gas-changing hole 22 is fixedly connected with a segment-type gas-changing layer 4, and the upper end of the segment-type gas-changing layer 4 is fixedly connected with a plurality of uniformly distributed self-raised color-changing rods 5, and the edges of the inner walls on the left and r...
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The invention discloses a gas leakage detection ring with self-bulge and optical change at a natural gas pipeline interface, which belongs to the field of natural gas. When natural gas leakage occurs, the segmental gas change layer expands and deforms, so that when the self-extending rod extends from the upper end of the outer fixed shell, it gradually bends, so that the color-changing bending ball at the end gradually bends with the adjacent color-changing bending ball. The balls are close to each other. On the one hand, the raised self-extending rod can remind the user; If it loosens or is adsorbed from the powder leakage hole, the phosphor can leak out from the powder leakage hole, which can further remind the user of natural gas leakage, so that the probability of the user finding the leakage is significantly increased, and the safety hazard is effectively reduced.
Description
technical field [0001] The invention relates to the field of natural gas, and more particularly, to a gas leakage detection ring that is self-convex and optically variable at a natural gas pipeline interface. Background technique [0002] Natural gas is stored in underground porous rock formations, including oil field gas, gas field gas, coalbed methane, mud volcanic gas and biologically generated gas, and a small amount also comes from coalbeds. It is a high-quality fuel and chemical raw material. [0003] The main use of natural gas is as fuel, which can produce carbon black, chemicals and liquefied petroleum gas. Propane and butane produced from natural gas are important raw materials for modern industry. Natural gas is mainly composed of a mixture of gaseous low-molecular-weight hydrocarbons and non-hydrocarbon gases. [0004] Consists mainly of methane (85%) with small amounts of ethane (9%), propane (3%), nitrogen (2%) and butane (1%). Mainly used as fuel, and also ...
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IPC IPC(8): F17D5/02F17D5/00
CPCF17D5/02F17D5/00
Inventor 孙永林
Owner 巴东县通龙燃气有限公司