CN213686255U - Device for preventing leakage of natural gas pipeline - Google Patents

Device for preventing leakage of natural gas pipeline Download PDF

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Publication number
CN213686255U
CN213686255U CN202021944572.2U CN202021944572U CN213686255U CN 213686255 U CN213686255 U CN 213686255U CN 202021944572 U CN202021944572 U CN 202021944572U CN 213686255 U CN213686255 U CN 213686255U
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China
Prior art keywords
fixedly connected
natural gas
pipe
pipeline
outer diameter
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Expired - Fee Related
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CN202021944572.2U
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Chinese (zh)
Inventor
张帅
段志鹏
刘沛兴
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Individual
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Abstract

The utility model relates to a natural gas line technical field specifically is a natural gas line prevents device of leakage, including the inner tube, drag reduction coating in the internal diameter fixedly connected with of inner tube, the external diameter and the fixedly connected with material of inner tube are the glue film of alpha-cyanoacrylate, the outside fixedly connected with well pipe of glue film, the outside fixedly connected with connecting block of the well pipe of affiliated, the one end fixedly connected with outer tube of connecting block, the outside fixedly connected with anticorrosion coating of outer tube, detect top center department fixedly connected with natural gas detector, wireless alarm device and the signal smog stick in chamber, the top fixedly connected with breather pipe of signal smog stick, natural gas line's simple and easy latch device of tip fixedly connected with. The utility model has the advantages that: the pipeline can be automatically repaired through fusion curing of the glue layer when the pipeline is broken, and the natural gas leakage can be timely alarmed and the position can be marked through the signal smoke rod.

Description

Device for preventing leakage of natural gas pipeline
Technical Field
The utility model relates to a natural gas line technical field, especially a natural gas line prevents device of leakage.
Background
Natural gas refers to a mixture of hydrocarbon and non-hydrocarbon gases naturally trapped in a formation, and in petroleum geology, generally refers to oil field gas and gas field gas, which mainly exists in oil fields and natural gas fields, and also exists in a small amount in coal seams, the natural gas is mainly used as fuel, carbon black, chemicals and liquefied petroleum gas can be produced, propane and butane produced by natural gas are important raw materials of modern industry, the transportation of natural gas generally depends on pipeline transportation, and a natural gas pipeline is a pipeline for transporting natural gas, including associated gas produced by oil fields, from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is the only way for conveying a large amount of natural gas on land, the natural gas pipeline accounts for half of the total length of the pipeline in the world, and the modern natural gas pipeline industry in China concentrates on the Sichuan province where natural gas is mainly produced in the early stage.
The existing natural gas pipeline has the following defects:
1. the natural gas pipeline is generally laid underground, leakage is not easy to detect, and specific leakage points are not easy to determine;
2. the natural gas leakage is easy to cause explosion, and the leakage port cannot be automatically repaired when the leakage of the existing pipeline occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a device that natural gas line prevents leaking.
The purpose of the utility model is realized through the following technical scheme: a natural gas pipeline leakage-proof device comprises an inner pipe, wherein an inner drag reduction coating is fixedly connected to the inner diameter of the inner pipe, a glue layer is fixedly connected to the outer diameter of the inner pipe, a middle pipe is fixedly connected to the outer diameter of the glue layer, a row of connecting blocks which are arranged at equal intervals are fixed on four sides of the outer diameter of the middle pipe, an outer pipe is fixedly connected to one end of each connecting block, a detection cavity is formed between the middle pipe and the outer pipe through the connecting blocks, an anti-corrosion coating is fixedly connected to the outer diameter of the outer pipe, a natural gas detector is fixedly connected to the central section of the top of the detection cavity, a wireless alarm device is fixedly connected to one end of the natural gas detector, a signal smoke rod is fixedly connected to one end of the wireless alarm device, a vent pipe is fixedly connected to the, the breather pipe passes the through-hole, the first end groove of one end fixedly connected with of pipeline, the other end fixedly connected with second end groove of pipeline, the inslot fixedly connected with spring in second end groove, the one end fixedly connected with adapter sleeve of spring, four shell fragments of the internal diameter fixedly connected with of adapter sleeve one end, four the draw-in groove has all been seted up to the center department of shell fragment, four equal joint has the fixture block, four in the draw-in groove the same snap ring of one end fixedly connected with of fixture block, the equal fixedly connected with handle in both sides of snap ring.
Optionally, the top end of the vent pipe is bent downwards in a U shape, and the inner diameter of the tail end of the vent pipe is fixedly connected with a mesh enclosure.
Optionally, the length of the vent pipe is determined by the buried depth of the pipeline, and grooves matched with the clamping grooves in shape are formed in four sides of the connecting sleeve.
Optionally, the fixture block is shaped like a T, and the snap ring is sleeved on the outer diameter of the connecting sleeve.
Optionally, the distance between one end of the elastic sheet and the second end groove is the thickness of the first end groove, the inner diameter of the small end of the elastic sheet is matched with the outer diameter of the pipeline, and the outer diameter of the large end of the elastic sheet is matched with the inner diameter of the connecting sleeve.
Optionally, the glue layer is made of alpha-ethyl cyanoacrylate, and the inner pipe, the middle pipe and the outer pipe are made of galvanized steel pipes.
The utility model has the advantages of it is following:
1. this natural gas line prevents device of leakage, through set up a detection chamber between well pipe and outer tube, top fixedly connected with natural gas detector and wireless alarm device in detection chamber, when natural gas takes place to leak, can trigger the natural gas detector, thereby utilize wireless alarm device to send remote alarm to maintainer, it also can delay the leakage of natural gas to detect the chamber, and can effectual protection detect and alarm device, avoid detecting and alarm device buries the easy malfunctioning condition in soil, one end fixedly connected with signal smog stick through at wireless alarm device, also can trigger signal smog stick when alarm device triggers, top fixedly connected with breather pipe at signal smog stick, thereby transmit smog signal to the earth's surface, make things convenient for maintainer to confirm the leakage position rapidly.
2. This natural gas line prevents device of leakage through being provided with the one deck glue film between inner tube and well pipe, and the glue film material is alpha-cyanoacrylate, and this organic matter can be by the rapid polymerization solidification of trace steam catalysis, and when inner tube or well pipe were damaged, this glue film will contact the steam in natural gas or the air to the rapid polymerization solidification seals the breach, in time prevents the leakage of natural gas, and this natural gas line prevents device of leakage.
Drawings
FIG. 1 is a schematic right sectional view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic sectional view of the front view of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;
fig. 5 is an enlarged schematic view of the structure at B in fig. 3 according to the present invention.
In the figure: 1-an inner pipe, 2-an inner drag reduction coating, 3-a glue layer, 4-a middle pipe, 5-a connecting block, 6-an outer pipe, 7-a detection cavity, 8-an anti-corrosion coating, 9-a natural gas detector, 10-a wireless alarm device, 11-a signal smoke rod, 12-an air pipe, 13-a through hole, 14-a mesh enclosure, 15-a first end groove, 16-a second end groove, 17-a spring, 18-a connecting sleeve, 19-an elastic sheet, 20-a clamping groove, 21-a clamping block, 22-a clamping ring and 23-a handle.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-5, a natural gas pipeline leakage-proof device comprises an inner pipe 1, an inner drag reduction coating 2 is fixedly connected to the inner diameter of the inner pipe 1, an adhesive layer 3 is fixedly connected to the outer diameter of the inner pipe 1, a middle pipe 4 is fixedly connected to the outer diameter of the adhesive layer 3, the adhesive layer 3 is arranged between the inner pipe 1 and the middle pipe 4 and made of alpha-ethyl cyanoacrylate, the organic matter can be rapidly polymerized and cured by catalysis of trace water vapor, when the inner pipe 1 or the middle pipe 4 is damaged, the adhesive layer can contact with the water vapor in the natural gas or the air, so that the notch is sealed by rapid polymerization and curing, the leakage of the natural gas is prevented in time, a row of connecting blocks 5 which are arranged at equal intervals is fixed on four sides of the outer diameter of the middle pipe 4, an outer pipe 6 is fixedly connected to one end of the connecting blocks 5, a, the outer diameter of the outer pipe 6 is fixedly connected with an anti-corrosion coating 8, the central section of the top of the detection cavity 7 is fixedly connected with a natural gas detector 9, one end of the natural gas detector 9 is fixedly connected with a wireless alarm device 10, one end of the wireless alarm device 10 is fixedly connected with a signal smoke rod 11, the output end of the signal smoke rod 11 is fixedly connected with a vent pipe 12, the center of the top of the pipeline is provided with a through hole 13, the through hole 13 penetrates through the anti-corrosion coating 8 and the outer pipe 6, the vent pipe 12 penetrates through the through hole 13, the detection cavity 7 is arranged between the middle pipe 4 and the outer pipe 6, the top of the detection cavity 7 is fixedly connected with the natural gas detector 9 and the wireless alarm device 10, when natural gas leaks, the natural gas detector 9 is triggered, so that the wireless alarm device 10 is used for sending a, the detection and alarm device can be effectively protected, the situation that the detection and alarm device is easily out of order when being buried in soil is avoided, a signal smoke rod 11 is fixedly connected with one end of a wireless alarm device 10, the signal smoke rod 11 is also triggered when the alarm device is triggered, a vent pipe 12 is fixedly connected with the top end of the signal smoke rod 11, so that smoke signals are transmitted to the ground surface, maintenance personnel can conveniently and quickly determine the leakage position, a first end groove 15 is fixedly connected with one end of a pipeline, a second end groove 16 is fixedly connected with the other end of the pipeline, a spring 17 is fixedly connected in the groove of the second end groove 16, a connecting sleeve 18 is fixedly connected with one end of the spring 17, four elastic sheets 19 are fixedly connected with the inner diameter of one end of the connecting sleeve 18, clamping grooves 20 are respectively arranged at the centers of the four elastic sheets 19, clamping blocks 21 are respectively clamped in the four clamping grooves 20, and, handles 23 are fixedly connected to both sides of the card 2.
As an optimal technical solution of the utility model: the top of breather pipe 12 is "U" type and buckles downwards, and the terminal internal diameter fixedly connected with screen panel 14 of breather pipe 12, "U" type pipe can prevent debris such as rainwater from getting into breather pipe 12, and screen panel 14 can place breather pipe 12 and be blockked up.
As an optimal technical solution of the utility model: the length of the vent pipe 12 is determined by the buried depth of the pipeline, so that the vent pipe can reach the ground without being too high, and grooves matched with the clamping grooves 20 in shape are formed in the four sides of the connecting sleeve 18, so that the clamping blocks 21 and the clamping rings 22 can be conveniently connected.
As an optimal technical solution of the utility model: the clamping block 21 is in a T shape, and the clamping ring 22 is sleeved on the outer diameter of the connecting sleeve 18 so as to control the opening and closing of the elastic sheet 19.
As an optimal technical solution of the utility model: the distance between one end of the elastic sheet 19 and the second end groove 16 is the thickness of the first end groove 15, the inner diameter of the small end of the elastic sheet 19 is matched with the outer diameter of the pipeline, and the outer diameter of the large end of the elastic sheet 19 is matched with the inner diameter of the connecting sleeve 18.
As an optimal technical solution of the utility model: the glue layer 3 is made of alpha-ethyl cyanoacrylate, the organic matter can be rapidly polymerized and solidified by catalysis of trace water vapor, the pipeline can be automatically repaired in time when being broken, and the inner pipe 1, the middle pipe 4 and the outer pipe 6 are made of galvanized steel pipes.
The working process of the utility model is as follows: the user buries the pipeline underground, connects through adapter sleeve 18, and when the pipeline broke, the glue film can be under the effect of steam fusion solidification repair breach rapidly, when the pipeline took place to leak, can trigger the natural gas detector to send out the police dispatch newspaper, and start signal smog stick makes things convenient for the construction team to confirm the place of leaking.
In summary, the following steps: according to the natural gas pipeline leakage-proof device, the detection cavity 7 is arranged between the middle pipe 4 and the outer pipe 6, the natural gas detector 9 and the wireless alarm device 10 are fixedly connected to the top of the detection cavity 7, when natural gas leaks, the natural gas detector 9 can be triggered, so that a maintenance worker can send a remote alarm by using the wireless alarm device 10, the detection cavity 7 can delay the leakage of the natural gas, the detection and alarm device can be effectively protected, the situation that the detection and alarm device is easily out of order when being buried in soil is avoided, the signal smoke rod 11 is fixedly connected to one end of the wireless alarm device 10, the signal smoke rod 11 can be triggered when the alarm device is triggered, and the vent pipe 12 is fixedly connected to the top end of the signal smoke rod 11, so that smoke signals are transmitted to the ground surface, and the maintenance worker can conveniently and quickly determine the leakage position; through being provided with one deck glue film 3 between inner tube 1 and well pipe 4, the glue film material is alpha-cyanoacrylate, and this organic matter can be by the rapid polymerization solidification of trace steam catalysis, when inner tube 1 or well pipe 4 were damaged, this glue film will contact the steam in natural gas or the air to the rapid polymerization solidification seals the breach, in time prevents the leakage of natural gas, and the device of this natural gas line leakage-proof.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A natural gas pipeline prevents device of leakage which characterized in that: the anti-corrosion and anti-corrosion device comprises an inner pipe (1), wherein an inner resistance-reducing coating (2) is fixedly connected to the inner diameter of the inner pipe (1), an outer diameter fixedly connected with a glue layer (3) of the inner pipe (1), a middle pipe (4) is fixedly connected to the outer diameter of the glue layer (3), a row of connecting blocks (5) which are arranged at equal intervals are fixed on four sides of the outer diameter of the middle pipe (4), an outer pipe (6) is fixedly connected to one end of each connecting block (5), a detection cavity (7) is formed between the middle pipe (4) and the outer pipe (6) through the connecting blocks (5), an anti-corrosion coating (8) is fixedly connected to the outer diameter of the outer pipe (6), a natural gas detector (9) is fixedly connected to the central section of the top of the detection cavity (7), a wireless alarm device (10) is fixedly connected to one end of, the signal smoke rod comprises a signal smoke rod (11), wherein an output end of the signal smoke rod (11) is fixedly connected with a vent pipe (12), a through hole (13) is formed in the center of the top of the pipeline, the through hole (13) penetrates through an anti-corrosion coating (8) and an outer pipe (6), the vent pipe (12) penetrates through the through hole (13), one end of the pipeline is fixedly connected with a first end groove (15), the other end of the pipeline is fixedly connected with a second end groove (16), a spring (17) is fixedly connected in the groove of the second end groove (16), one end of the spring (17) is fixedly connected with a connecting sleeve (18), the inner diameter of one end of the connecting sleeve (18) is fixedly connected with four elastic sheets (19), clamping grooves (20) are formed in the centers of the four elastic sheets (19), clamping blocks (21) are clamped in the clamping grooves (20), and one end of each, both sides of the snap ring (22) are fixedly connected with handles (23).
2. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the top end of the vent pipe (12) is bent downwards in a U shape, and the inner diameter of the tail end of the vent pipe (12) is fixedly connected with a mesh enclosure (14).
3. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the length of the vent pipe (12) is determined by the buried depth of the pipeline, and grooves matched with the clamping grooves (20) in shape are formed in the four sides of the connecting sleeve (18).
4. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the fixture block (21) is T-shaped, and the snap ring (22) is sleeved on the outer diameter of the connecting sleeve (18).
5. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the distance between one end of the elastic sheet (19) and the second end groove (16) is the thickness of the first end groove (15), the inner diameter of the small end of the elastic sheet (19) is matched with the outer diameter of the pipeline, and the outer diameter of the large end of the elastic sheet (19) is matched with the inner diameter of the connecting sleeve (18).
6. A natural gas pipeline leak prevention apparatus, as defined in claim 1, wherein: the glue layer (3) is made of alpha-ethyl cyanoacrylate, and the inner pipe (1), the middle pipe (4) and the outer pipe (6) are made of galvanized steel pipes.
CN202021944572.2U 2020-09-08 2020-09-08 Device for preventing leakage of natural gas pipeline Expired - Fee Related CN213686255U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021944572.2U CN213686255U (en) 2020-09-08 2020-09-08 Device for preventing leakage of natural gas pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021944572.2U CN213686255U (en) 2020-09-08 2020-09-08 Device for preventing leakage of natural gas pipeline

Publications (1)

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CN213686255U true CN213686255U (en) 2021-07-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116576315A (en) * 2023-05-10 2023-08-11 瑞安市君诚塑胶制造有限公司 Modified nylon for engine periphery hydrolysis and alcoholysis resistance
CN116852399A (en) * 2023-09-05 2023-10-10 陕西能控安远智能技术有限公司 Multipurpose explosion-proof robot

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116576315A (en) * 2023-05-10 2023-08-11 瑞安市君诚塑胶制造有限公司 Modified nylon for engine periphery hydrolysis and alcoholysis resistance
CN116852399A (en) * 2023-09-05 2023-10-10 陕西能控安远智能技术有限公司 Multipurpose explosion-proof robot
CN116852399B (en) * 2023-09-05 2023-11-17 陕西能控安远智能技术有限公司 Multipurpose explosion-proof robot

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Granted publication date: 20210713