CN213712671U - Gas leakage detection structure for natural gas pipeline joint based on Beidou message system - Google Patents
Gas leakage detection structure for natural gas pipeline joint based on Beidou message system Download PDFInfo
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- CN213712671U CN213712671U CN202022191934.1U CN202022191934U CN213712671U CN 213712671 U CN213712671 U CN 213712671U CN 202022191934 U CN202022191934 U CN 202022191934U CN 213712671 U CN213712671 U CN 213712671U
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Abstract
The utility model belongs to the technical field of pipeline gas detection, in particular to a gas leakage detection structure of a natural gas pipeline joint based on a Beidou message system, which comprises a fixed sealing device, a first pipeline, a second pipeline, a vacuum steel pipe, a conical thread sealing rubber ring, a steel hoop, a butterfly valve, a valve rod, a butterfly circular plate and an annular sealing rubber ring, wherein the first pipeline, the second pipeline, the vacuum steel pipe, the conical thread sealing rubber ring, the steel hoop, the butterfly valve, the valve rod; the detection device is provided with a suction pipe, a supporting base, a miniature air pump, a delivery pipe, an air detector, an alarm, a sensing ball and a control switch. This natural gas line connects gas leakage detection structure based on big dipper message system extracts the natural gas that will leak through miniature air pump, then the gas detector sounds the suggestion staff through the alarm after detecting the natural gas and overhauls, and the sound of alarm touches control switch control butterfly valve and carries out work to seal the mouth of pipe of vacuum steel pipe both sides, thereby carry out quick simple and convenient detection to the condition of the joint department gas leakage of natural gas line.
Description
Technical Field
The utility model relates to a gaseous technical field that detects of pipeline especially relates to a natural gas line connects gas leakage detection structure based on big dipper message system.
Background
Natural gas is a mixture of mainly hydrocarbons, such as methane, ethane, propane, butane, pentane and hexane, and carbon dioxide, etc., in addition to hydrocarbons. Natural gas is inflammable, explosive and easy to diffuse, and leakage and rupture accidents of natural gas pipelines not only cause great direct economic loss, but also easily cause serious consequences such as personal injury, environmental pollution and the like. Therefore, the real-time online monitoring of the natural gas pipeline leakage, the timely leakage finding and the leakage hidden danger prevention are very important.
But the detection structure of current pipe joint gas leakage is complicated, and is unfavorable for overhauing the pipeline fast, and most measuring environment does not have sufficient closure moreover, leads to some natural gas to spread in the atmosphere, so the utility model provides a, solved above-mentioned technical problem not enough.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Based on current natural gas line connects gas leakage detection structure complicacy, and does not have a confined testing environment's technical problem, the utility model provides a natural gas line connects gas leakage detection structure based on big dipper message system.
(II) technical scheme
The utility model provides a gas leakage detection structure of a natural gas pipeline joint based on a Beidou message system, which comprises,
the sealing device comprises a fixed sealing device, a first pipeline, a second pipeline, a vacuum steel pipe, a conical threaded sealing rubber ring, a steel hoop, a butterfly valve, a valve rod, a butterfly circular plate and an annular sealing rubber ring, wherein the second pipeline is arranged on one side surface of the first pipeline, the vacuum steel pipe is arranged on the outer surface of the first pipeline, the conical threaded sealing rubber ring is arranged on the outer surfaces of the first pipeline and the second pipeline, the steel hoop is arranged on the outer surfaces of the first pipeline and the second pipeline, the butterfly valve is arranged on the upper surface of the steel hoop, the valve rod is arranged inside the first pipeline and the second pipeline, the butterfly circular plate is arranged on the surface of the valve rod, and the annular sealing rubber ring is arranged on the outer surface of the butterfly circular plate;
detection device, detection device is provided with suction tube, support base, miniature air pump, conveyer pipe, gas detector, alarm, sensing ball, control switch, the suction tube sets up the upper surface of vacuum steel pipe, it sets up to support the base the upper surface of vacuum steel pipe, miniature air pump sets up the upper surface of support base, the conveyer pipe sets up a side surface of miniature air pump, gas detector sets up a side surface of conveyer pipe, the alarm sets up the upper surface of gas detector, the sensing ball sets up the interior roof of vacuum steel pipe, control switch sets up the upper surface of vacuum steel pipe.
Preferably, the second pipeline is welded on the surface of one side of the first pipeline, the outer surface of the first pipeline and the outer surface of the second pipeline are in sliding sleeve connection with the vacuum steel pipe, thread grooves are formed in the inner walls of the two ends of the vacuum steel pipe, the outer surface of the first pipeline and the outer surface of the second pipeline are both in sliding sleeve connection with the conical thread sealing rubber ring, and the outer surface of the conical thread sealing rubber ring is in threaded connection with the inner wall of the vacuum steel pipe.
Through above-mentioned technical scheme, vacuum steel pipe cup joints the joint department of natural gas line activity, is convenient for detect and overhauls natural gas line behind the joint department gas leakage, and the gap between the vacuum steel pipe that the toper thread sealing rubber circle cup jointed and the pipeline is sealed, prevents that the natural gas that leaks from spreading to the external world.
Preferably, the outer surface of the first pipeline and the outer surface of the second pipeline are both fixedly sleeved with steel hoops, the steel hoops are arranged on two sides of the vacuum steel pipe, and the upper surfaces of the two steel hoops are both fixedly connected with butterfly valves.
Through above-mentioned technical scheme, the steel hoop plays the supporting role to the sealing device of pipeline mouth, and the butterfly valve is the sealing device's of pipeline mouth drive source.
Preferably, the valve rod is rotatably connected to the interior of the butterfly valve, the valve rod is slidably connected to the inner wall of the first pipeline and the inner wall of the second pipeline through a rotary hole, the butterfly circular plate is fixedly connected to the surface of the valve rod, and the annular sealing rubber ring is fixedly connected to the outer surface of the butterfly circular plate.
Through above-mentioned technical scheme, the butterfly valve main control valve rod rotates, drives the butterfly plectane rotation parallel with the pipeline axial to seal the pipe orifice, prevent to continue to have the natural gas to leak after the joint department gas leakage, annular sealing rubber circle increases its leakproofness.
Preferably, the upper surface of the vacuum steel pipe is fixedly connected with the suction pipe through a through hole, the upper surface of the vacuum steel pipe is fixedly connected with the supporting base, and the upper surface of the supporting base is fixedly connected with the miniature air pump.
Through above-mentioned technical scheme, miniature air pump during operation, the natural gas that will leak is taken out from vacuum pipe's inside through the suction tube.
Preferably, one side surface of the suction pipe is fixedly connected with a surface of a suction port of the micro air pump, a surface of a discharge port of the micro air pump is fixedly connected with the delivery pipe, and one side surface of the delivery pipe is fixedly connected with the gas detector.
Through above-mentioned technical scheme, the natural gas that is taken out is arranged to the nozzle department of gas detector by the conveying pipe, detects the natural gas that leaks by gas detector.
Preferably, a side surface of the gas detector is fixedly connected with the alarm through a support rod, the alarm is electrically connected with the gas detector, an inner top wall of the vacuum steel pipe is fixedly connected with the sensing ball through a sensing line, an upper surface of the vacuum steel pipe is fixedly connected with the control switch, and the control switch is electrically connected with the alarm and the butterfly valve.
Through above-mentioned technical scheme, gas detector detects the natural gas of first pipeline and second pipeline joint department leakage after, through the warning ware suggestion staff overhauls, and the sounding of warning ware for control switch control butterfly valve starts, seals the mouth of pipe of vacuum steel pipe both sides, and the gas promotion sensing ball of leaking, makes the sensing line not hard up, thereby miniature air pump begins work.
The utility model provides a beneficial effect does:
1. set up fixed sealing device, fix and set for a sealed environment the detection structure that natural gas line connects the gas leakage, be convenient for detect the structure and detect. In the in-process of adjusting, joint department to natural gas line carries out the activity through vacuum steel pipe and cup joints, be convenient for detect and overhaul natural gas line behind the joint department gas leakage, toper thread sealing rubber circle seals the gap between the vacuum steel pipe that cup joints and the pipeline, prevent that the natural gas of leakage from diffusing to the external world, and the steel hoop plays the supporting role to the sealing device of pipeline mouth, the butterfly valve is the sealing device's of pipeline mouth driving source, the butterfly valve main control valve rod rotates, it is rotatory to drive the butterfly plectane parallel with the pipeline axial, thereby the pipeline mouth is sealed, it leaks to prevent to last natural gas behind the joint department gas leakage, annular sealing rubber circle increases its leakproofness, thereby the leakproofness to the testing environment has been realized.
2. Set up detection device, carry out quick simple and convenient detection to the condition of natural gas line's joint department gas leakage. In the in-process of adjusting, play the supporting role to the sealing device of pipeline mouth through the steel hoop, the butterfly valve is the sealing device's of pipeline mouth driving source, and the main control valve rod of butterfly valve rotates, it is rotatory with pipeline axial direction parallel's butterfly plectane to drive, thereby seal the pipeline mouth, it leaks to last natural gas to prevent to connect to locate to leak gas after, annular sealing rubber circle increases its leakproofness, and miniature air pump during operation, the natural gas that will leak is taken out from vacuum pipeline's inside through the suction tube, the natural gas of being taken out is arranged to the pipeline mouth department of gas detector by the delivery pipe, detect the natural gas of leaking by gas detector, and overhaul by alarm suggestion staff, thereby realized carrying out quick simple and convenient detection and reminding the staff to overhaul natural gas pipeline joint gas leakage.
Drawings
Fig. 1 is a schematic diagram of a gas leakage detection structure of a natural gas pipeline joint based on a Beidou message system, which is provided by the utility model;
fig. 2 is a side view of a steel hoop structure of a gas leakage detection structure of a natural gas pipeline joint based on a Beidou message system, which is provided by the utility model;
fig. 3 is the utility model provides a natural gas line connects gas leakage detection structure's A structure enlargements in fig. 1 based on big dipper message system.
In the figure: 1. a first conduit; 2. a second conduit; 3. a vacuum steel pipe; 4. the conical thread seals the rubber ring; 5. a steel hoop; 6. a butterfly valve; 7. a valve stem; 8. a butterfly-shaped circular plate; 9. an annular sealing rubber ring; 10. a suction tube; 11. a support base; 12. a micro air pump; 13. a delivery pipe; 14. a gas detector; 15. an alarm; 16. a sensing ball; 17. and controlling the switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a gas leakage detection structure of a natural gas pipeline joint based on a Beidou message system comprises,
the device comprises a fixed sealing device, wherein the fixed sealing device is provided with a first pipeline 1, a second pipeline 2, a vacuum steel pipe 3, a conical threaded sealing rubber ring 4, a steel hoop 5, a butterfly valve 6, a valve rod 7, a butterfly circular plate 8 and an annular sealing rubber ring 9, the second pipeline 2 is arranged on one side surface of the first pipeline 1, the vacuum steel pipe 3 is arranged on the outer surface of the first pipeline 1, the conical threaded sealing rubber ring 4 is arranged on the outer surfaces of the first pipeline 1 and the second pipeline 2, the steel hoop 5 is arranged on the outer surfaces of the first pipeline 1 and the second pipeline 2, the butterfly valve 6 is arranged on the upper surface of the steel hoop 5, the valve rod 7 is arranged inside the first pipeline 1 and the second pipeline 2, the butterfly circular plate 8 is arranged on the surface of the valve rod 7, and the annular sealing rubber ring 9 is arranged on the outer surface of the butterfly circular plate;
detection device, detection device is provided with suction tube 10, support base 11, miniature air pump 12, conveyer pipe 13, gas detector 14, alarm 15, sensing ball 16, control switch 17, suction tube 10 sets up the upper surface at vacuum steel pipe 3, support base 11 sets up the upper surface at vacuum steel pipe 3, miniature air pump 12 sets up the upper surface at support base 11, conveyer pipe 13 sets up a side surface at miniature air pump 12, gas detector 14 sets up a side surface at conveyer pipe 13, alarm 15 sets up the upper surface at gas detector 14, sensing ball 16 sets up the interior roof at vacuum steel pipe 3, control switch 17 sets up the upper surface at vacuum steel pipe 3.
In the embodiment, a second pipeline 2 is welded on the surface of one side of a first pipeline 1, a vacuum steel pipe 3 is sleeved on the outer surface of the first pipeline 1 and the outer surface of the second pipeline 2 in a sliding manner, thread grooves are formed in the inner walls of two ends of the vacuum steel pipe 3, tapered threaded sealing rubber rings 4 are sleeved on the outer surface of the first pipeline 1 and the outer surface of the second pipeline 2 in a sliding manner, and the outer surfaces of the tapered threaded sealing rubber rings 4 are in threaded connection with the inner wall of the vacuum steel pipe 3;
specifically, vacuum steel pipe 3 cup joints the joint department of natural gas line activity, is convenient for detect and overhauls natural gas line behind the joint department gas leakage, and toper thread sealing rubber circle 4 seals the gap between the vacuum steel pipe 3 that cup joints and the pipeline, prevents that the natural gas of leakage from spreading to the external world.
In the embodiment, the outer surfaces of the first pipeline 1 and the second pipeline 2 are fixedly sleeved with steel hoops 5, the steel hoops 5 are arranged on two sides of the vacuum steel pipe 3, and the upper surfaces of the two steel hoops 5 are fixedly connected with butterfly valves 6;
specifically, the steel hoop 5 supports the sealing device of the pipeline opening, and the butterfly valve 6 is a driving source of the sealing device of the pipeline opening.
In the embodiment, a valve rod 7 is rotatably connected inside the butterfly valve 6, the valve rod 7 is slidably connected with the inner wall of the first pipeline 1 and the inner wall of the second pipeline 2 through a rotary hole, a butterfly circular plate 8 is fixedly connected to the surface of the valve rod 7, and an annular sealing rubber ring 9 is fixedly connected to the outer surface of the butterfly circular plate 8;
specifically, the butterfly valve 6 mainly controls the valve rod 7 to rotate, drives the butterfly circular plate 8 which is parallel to the axial direction of the pipeline to rotate, so that the pipeline opening is sealed, natural gas leakage is continuously prevented after gas leakage at the joint, and the sealing performance of the annular sealing rubber ring 9 is improved.
In this embodiment, the upper surface of the vacuum steel tube 3 is fixedly connected with a suction tube 10 through a through hole, the upper surface of the vacuum steel tube 3 is fixedly connected with a supporting base 11, and the upper surface of the supporting base 11 is fixedly connected with a micro air pump 12;
specifically, the micro air pump 12 operates to draw leaked natural gas from the inside of the vacuum pipe through the suction pipe 10.
In the present embodiment, one side surface of the suction tube 10 is fixedly connected with the suction port surface of the micro air pump 12, the discharge port surface of the micro air pump 12 is fixedly connected with the delivery tube 13, and one side surface of the delivery tube 13 is fixedly connected with the gas detector 14;
specifically, the extracted natural gas is discharged from the delivery pipe 13 to the pipe port of the gas detector 14, and the gas detector 14 detects the leaked natural gas.
In this embodiment, one side surface of the gas detector 14 is fixedly connected with an alarm 15 through a support rod, the alarm 15 is electrically connected with the gas detector 14, the inner top wall of the vacuum steel pipe 3 is fixedly connected with a sensing ball 16 through a sensing line, the upper surface of the vacuum steel pipe 3 is fixedly connected with a control switch 17, and the control switch 17 is electrically connected with the alarm 15 and the butterfly valve 6;
specifically, after the gas detector 14 detects the natural gas that first pipeline 1 and second pipeline 2 joint department leaked, through alarm 15 suggestion staff overhauls, and alarm 15 sounds for control switch 17 control butterfly valve 6 starts, seals the mouth of pipe of vacuum steel pipe 3 both sides, and the gas of leaking promotes sensing ball 16, makes the sensing line not hard up, thereby miniature air pump 12 begins work.
Set up fixed sealing device, fix and set for a sealed environment the detection structure that natural gas line connects the gas leakage, be convenient for detect the structure and detect. In the in-process of adjusting, it cup joints to carry out the activity through vacuum steel pipe 3 to natural gas line's joint department, be convenient for detect and overhaul natural gas line behind the joint department gas leakage, toper thread sealing rubber circle 4 seals the gap between the vacuum steel pipe 3 that cup joints and the pipeline, prevent that the natural gas of leakage from diffusing to the external world, and steel hoop 5 plays the supporting role to the sealing device of pipeline mouth, butterfly valve 6 is the sealing device's of pipeline mouth driving source, butterfly valve 6 main control valve rod 7 rotates, it is rotatory with pipeline axially parallel's butterfly plectane 8 to drive, thereby seal the pipeline mouth, prevent to continue to have natural gas leakage behind the joint department gas leakage, annular sealing rubber circle 9 increases its leakproofness, thereby realized the leakproofness to the measuring environment.
Set up detection device, carry out quick simple and convenient detection to the condition of natural gas line's joint department gas leakage. In the process of regulation, play the supporting role to the sealing device of pipeline mouth through steel hoop 5, butterfly valve 6 is the sealing device's of pipeline mouth driving source, and butterfly valve 6 mainly controls valve rod 7 and rotates, it is rotatory to drive the butterfly plectane 8 parallel with the pipeline axial, thereby seal the pipeline mouth, it leaks to last natural gas to prevent to have after the joint department gas leakage, annular sealing rubber circle 9 increases its leakproofness, and miniature air pump 12 during operation, take out the natural gas that leaks from the inside of vacuum pipeline through suction tube 10, the natural gas that is taken out is arranged to the pipeline mouth department of gas detector 14 by conveyer pipe 13, detect the natural gas that leaks by gas detector 14, and overhaul by alarm 15 suggestion staff, thereby realized carrying out quick simple and convenient detection and remind the staff to overhaul to natural gas pipeline joint gas leakage.
The working principle is as follows: in the specific embodiment of the present invention, the vacuum steel pipe 3 is sleeved at the joint of the first pipe 1 and the second pipe 2, the tapered thread sealing rubber ring 4 sleeved on the outer surface of the first pipe 1 and the second pipe 2 is screwed into the thread grooves at the inner sides of the two ends of the vacuum steel pipe 3, the gap between the vacuum steel pipe 3 and the pipe is sealed, the detection device is installed on the upper surface of the vacuum steel pipe 3, the steel hoop 5 is sleeved on the two sides of the vacuum steel pipe 3, the closing device of the pipe orifice is installed on the upper surface of the steel hoop 5, when natural gas leaks at the pipe joint, the leaked natural gas diffuses to the inner wall of the vacuum steel pipe 3, so that the sensing ball 16 moves upwards under the support of gas, thereby the vertical sensing line is bent, and then the micro air pump 12 starts to drive, the natural gas inside the vacuum steel pipe 3 is pumped out through the suction pipe 10 and flows towards the delivery pipe 13, then the discharged natural gas enters a pipe orifice of a gas detector 14, the gas detector 14 can be in a Kerno MOT200-A-EX model, the gas detector 14 sounds through an alarm 15 after detecting the natural gas to prompt a worker to overhaul, the sound of the alarm 15 triggers a control switch 17 to control a butterfly valve 6 to work, a valve rod 7 of the butterfly valve 6 is driven to rotate to drive a butterfly plate 8 to seal the pipe orifices on two sides of the vacuum steel pipe 3, excessive leakage of the natural gas is prevented, and the gas detector can be positioned at a specific pipe joint gas leakage position based on a Beidou message system.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a natural gas line connects gas leakage detection structure based on big dipper message system which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the fixed sealing device is provided with a first pipeline (1), a second pipeline (2), a vacuum steel pipe (3), a conical threaded sealing rubber ring (4), a steel hoop (5), a butterfly valve (6), a valve rod (7), a butterfly circular plate (8) and an annular sealing rubber ring (9), wherein the second pipeline (2) is arranged on one side surface of the first pipeline (1), the vacuum steel pipe (3) is arranged on the outer surface of the first pipeline (1), the conical threaded sealing rubber ring (4) is arranged on the outer surfaces of the first pipeline (1) and the second pipeline (2), the steel hoop (5) is arranged on the outer surfaces of the first pipeline (1) and the second pipeline (2), the butterfly valve (6) is arranged on the upper surface of the steel hoop (5), and the valve rod (7) is arranged inside the first pipeline (1) and the second pipeline (2), the butterfly-shaped circular plate (8) is arranged on the surface of the valve rod (7), and the annular sealing rubber ring (9) is arranged on the outer surface of the butterfly-shaped circular plate (8);
the detection device is provided with a suction pipe (10), a supporting base (11), a micro air pump (12), a delivery pipe (13), an air detector (14), an alarm (15), a sensing ball (16) and a control switch (17), the suction pipe (10) is arranged on the upper surface of the vacuum steel pipe (3), the supporting base (11) is arranged on the upper surface of the vacuum steel pipe (3), the micro air pump (12) is arranged on the upper surface of the supporting base (11), the delivery pipe (13) is arranged on one side surface of the micro air pump (12), the gas detector (14) is disposed on one side surface of the delivery pipe (13), the alarm (15) is arranged on the upper surface of the gas detector (14), the sensing ball (16) is arranged on the inner top wall of the vacuum steel pipe (3), the control switch (17) is arranged on the upper surface of the vacuum steel pipe (3).
2. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: the utility model discloses a vacuum steel pipe, including first pipeline (1), second pipeline (2), the surface welding of one side of first pipeline (1) has second pipeline (2), the surface of first pipeline (1) with the surface sliding of second pipeline (2) has cup jointed vacuum steel pipe (3), the both ends inner wall of vacuum steel pipe (3) is provided with the thread groove, the surface of first pipeline (1) with the surface of second pipeline (2) all slides and has cup jointed toper thread sealing rubber circle (4), the surface of toper thread sealing rubber circle (4) with the inner wall threaded connection of vacuum steel pipe (3).
3. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: the surface of first pipeline (1) with the surface of second pipeline (2) is all fixed to be cup jointed steel hoop (5), the position setting of steel hoop (5) is in the both sides of vacuum steel pipe (3), two the equal fixedly connected with of upper surface of steel hoop (5) butterfly valve (6).
4. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: the inner portion of the butterfly valve (6) is rotatably connected with the valve rod (7), the valve rod (7) is connected with the inner wall of the first pipeline (1) and the inner wall of the second pipeline (2) in a sliding mode through a rotating hole formed in the valve rod, the surface of the valve rod (7) is fixedly connected with the butterfly circular plate (8), and the outer surface of the butterfly circular plate (8) is fixedly connected with the annular sealing rubber ring (9).
5. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: the upper surface of the vacuum steel pipe (3) is fixedly connected with the suction pipe (10) through a through hole, the upper surface of the vacuum steel pipe (3) is fixedly connected with the supporting base (11), and the upper surface of the supporting base (11) is fixedly connected with the miniature air pump (12).
6. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: one side surface of suction tube (10) with the suction mouth fixed surface of miniature air pump (12) is connected, the discharge port fixed surface of miniature air pump (12) is connected with conveyer pipe (13), one side fixed surface of conveyer pipe (13) is connected with gas detector (14).
7. The gas pipeline joint gas leakage detection structure based on the Beidou message system according to claim 1, is characterized in that: one side surface of gas detector (14) passes through bracing piece fixedly connected with alarm (15), alarm (15) with gas detector (14) electric connection, the interior roof of vacuum steel pipe (3) passes through sensing line fixedly connected with sensing ball (16), the last fixed surface of vacuum steel pipe (3) is connected with control switch (17), control switch (17) with alarm (15) butterfly valve (6) electric connection.
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| CN202022191934.1U CN213712671U (en) | 2020-09-30 | 2020-09-30 | Gas leakage detection structure for natural gas pipeline joint based on Beidou message system |
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| CN202022191934.1U CN213712671U (en) | 2020-09-30 | 2020-09-30 | Gas leakage detection structure for natural gas pipeline joint based on Beidou message system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833988A (en) * | 2021-10-07 | 2021-12-24 | 刘益玲 | Gas leakage monitoring equipment for natural gas engineering management |
| CN117890037B (en) * | 2024-03-14 | 2024-05-07 | 济南百惠凯希汽车零部件有限公司 | Tightness detection device for engine exhaust butterfly valve assembly |
-
2020
- 2020-09-30 CN CN202022191934.1U patent/CN213712671U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833988A (en) * | 2021-10-07 | 2021-12-24 | 刘益玲 | Gas leakage monitoring equipment for natural gas engineering management |
| CN117890037B (en) * | 2024-03-14 | 2024-05-07 | 济南百惠凯希汽车零部件有限公司 | Tightness detection device for engine exhaust butterfly valve assembly |
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