CN110500509B - Pressure monitoring system based on wired transmission pipeline - Google Patents
Pressure monitoring system based on wired transmission pipeline Download PDFInfo
- Publication number
- CN110500509B CN110500509B CN201910606216.5A CN201910606216A CN110500509B CN 110500509 B CN110500509 B CN 110500509B CN 201910606216 A CN201910606216 A CN 201910606216A CN 110500509 B CN110500509 B CN 110500509B
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- sleeve
- pipe
- transmission pipeline
- pipeline
- gas pressure
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 49
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000007789 gas Substances 0.000 claims abstract description 45
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000003466 welding Methods 0.000 claims abstract description 28
- 239000003345 natural gas Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000000523 sample Substances 0.000 claims abstract description 17
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000006837 decompression Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 27
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/005—Protection or supervision of installations of gas pipelines, e.g. alarm
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Abstract
The invention discloses a pressure monitoring system based on a wired transmission pipeline, which comprises a protective pipeline, a transmission pipeline and an electric cabinet, wherein a plurality of welding discs are arranged on the transmission pipeline, a gas pressure detection probe is arranged between every two adjacent welding discs, a gas pressure display area, a warning lamp and a power cabinet are sequentially arranged in the electric cabinet from top to bottom, a gas pressure display screen is connected with the gas pressure detection probe through a data line, a partition plate is arranged in the electric cabinet, the partition plate is fixedly connected with a plurality of PLC (programmable logic controller), and a decompression module is connected onto the protective pipeline. The pressure monitoring system based on the wired transmission pipeline disclosed by the invention can detect whether the natural gas in the transmission pipeline leaks or not on one hand, and can recover the leaked natural gas on the other hand, so that the energy is saved.
Description
Technical Field
The invention relates to a pressure monitoring system, in particular to a pressure monitoring system based on a wired transmission pipeline, and belongs to the field of natural gas equipment application.
Background
Natural gas is important as a primary fuel for gas turbine engines and steam turbines to generate electricity. The efficiency of energy utilization is particularly high in the mode of gas turbine steam turbine combined cycle power generation. Natural gas is cleaner burning and produces less greenhouse gases than fossil fuels such as oil and coal. The same heat is obtained, burning natural gas produces 30% less carbon dioxide than burning oil and 45% less carbon dioxide than coal. As far as the current state of the art is concerned, the chinese natural gas industry is rapidly developing, but it is still a young industry, and there is still a great gap in the mature market for other natural gases.
In a natural gas transmission pipeline, once natural gas leakage occurs, a large amount of carbon monoxide is generated, on one hand, energy is wasted, and on the other hand, people are poisoned.
The existing wired transmission pipeline pressure monitoring system can only detect the pressure in the pipeline and can not effectively recover the leaked natural gas.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a pressure monitoring system based on a wired transmission pipeline.
The invention realizes the purpose through the following technical scheme, a pressure monitoring system based on a wired transmission pipeline comprises a protective pipeline, a transmission pipeline and an electric cabinet, wherein the transmission pipeline is sleeved in the protective pipeline, a plurality of welding discs are arranged on the transmission pipeline, the welding discs are welded and fixed on the inner wall of the protective pipeline, a gas pressure detection probe is arranged between every two adjacent welding discs, a gas pressure display area, a warning lamp and a power cabinet are sequentially arranged in the electric cabinet from top to bottom, a plurality of gas pressure display screens are arranged on the gas pressure display area, the gas pressure display screens are connected with the gas pressure detection probes through data lines, a partition plate is arranged in the electric cabinet and fixedly connected with a plurality of PLC controllers, the gas pressure display screens are connected with the warning lamp, and the warning lamp is connected with the PLC controllers, the protection pipeline is connected with a decompression module, a conveying pipe and a conveying sleeve are respectively arranged in the conveying pipeline along the flowing direction of natural gas, the conveying pipe comprises a guide pipe and a first sleeve, the first sleeve is fixed at the front end of the guide pipe, the conveying sleeve comprises a guide pipe and a second sleeve, the second sleeve is fixed at the front end of the guide pipe, the guide pipe is fixed in the conveying pipeline in a sealing manner, the first sleeve is communicated with the second sleeve, a fixing shaft with a hollow structure is arranged in the first sleeve, one surface of the fixing shaft facing the guide pipe is a sealing structure, the other surface of the fixing shaft is an opening structure, the one surface of the first sleeve facing the guide pipe is an opening structure, the other surface of the first sleeve is a sealing structure, a first through hole is formed in the surface of the fixing shaft, a second through hole is formed in the side surface of the second sleeve, and a spring column is arranged in the second sleeve, the front end of the spring column is fixedly provided with a sealing ring through a connecting shaft of a hollow structure, the fixing shaft is sleeved in the second sleeve, and the connecting shaft is provided with a through hole plug which is embedded in the second through hole.
Preferably, the gas pressure detection probe is fixed on the inner wall of the protection pipeline, each gas pressure detection probe is connected with a gas pressure display screen, and each PLC controls a warning lamp.
Preferably, the protection pipeline is spirally connected by a plurality of sections of stainless steel pipes, the transmission pipeline is spirally connected by a plurality of sections of stainless steel pipes, the welding discs are fixed at two ends of each section of transmission pipeline, the length of each section of protection pipeline is 1.2-1.5 times that of each section of transmission pipeline, and a protective sleeve is arranged outside the data line.
Preferably, the guide pipe and the first sleeve are of an integrated structure, the guide pipe and the second sleeve are of an integrated structure, and the front end of the second sleeve extends out of the transmission pipeline.
Preferably, a welding plate is fixed to the bottom of the spring column, a connecting rod is arranged on the side wall of the welding plate, the front end of the connecting rod is fixed to the inner wall of the second sleeve, the diameter of the spring column is smaller than that of the welding plate, the diameter of the welding plate is smaller than the inner diameter of the second sleeve, and the diameter of the connecting shaft is smaller than that of the spring column.
Preferably, a sealing ring limiting groove is formed in the inner wall of the second sleeve, the sealing ring is embedded in the sealing ring limiting groove, and the sealing ring is made of rubber materials.
Preferably, decompress the module and include communicating pipe and blast pipe, the blast pipe with communicating pipe intercommunication, be equipped with first check valve on communicating pipe, the spiral is fixed with the recovery bottle on the blast pipe, be equipped with on the recovery bottle and install the second check valve.
The invention has the beneficial effects that: the pressure monitoring system based on the wired transmission pipeline disclosed by the invention can detect whether the natural gas in the transmission pipeline leaks or not on one hand, and can recover the leaked natural gas on the other hand, so that the energy is saved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the internal structure of the transfer pipeline of the present invention.
FIG. 3 is a schematic view of the internal structure of the first sleeve according to the present invention.
FIG. 4 is a schematic view of the inner structure of the second sleeve according to the present invention.
FIG. 5 is a schematic view of the spring post structure of the present invention.
Fig. 6 is a schematic view of the structure of the decompression module according to the present invention.
In the figure: 1. the gas pressure detection device comprises a protection pipeline, 2, a transmission pipeline, 3, a gas pressure detection probe, 4, an electric cabinet, 5, a welding disc, 6, a decompression module, 7, a data line, 8, a gas pressure display area, 9, a gas pressure display screen, 10, a partition board, 11, a PLC (programmable logic controller), 12, a power cabinet, 13, a protective sleeve, 14, a transmission pipe, 15, a transmission sleeve, 16, a guide pipe, 17, a first sleeve, 18, a second sleeve, 19, a second through hole, 20, a spring column, 21, a connecting shaft, 22, a sealing ring, 23, a sealing ring limiting groove, 24, a fixing shaft, 25, a first through hole, 26, a welding plate, 27, a connecting rod, 28, a through hole plug, 29, a communication pipe, 30, a first one-way valve, 31, an exhaust pipe, 32, a recovery bottle, 33, a second one-way valve, 34 and a warning lamp.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner" and "outer" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, a pressure monitoring system based on a wired transmission pipeline comprises a protection pipeline 1, a transmission pipeline 2 and an electrical cabinet 4, wherein the transmission pipeline 2 is sleeved inside the protection pipeline 1, the transmission pipeline 2 is provided with a plurality of welding discs 5, the welding discs 5 are welded and fixed on the inner wall of the protection pipeline 1, a gas pressure detection probe 3 is arranged between two adjacent welding discs 5, a gas pressure display area 8, a warning lamp 34 and a power cabinet 12 are sequentially arranged in the electrical cabinet 4 from top to bottom, the gas pressure display area 8 is provided with a plurality of gas pressure display screens 9, the gas pressure display screens 9 are connected with the gas pressure detection probe 3 through a data line 7, a partition plate 10 is arranged in the electrical cabinet 4, the partition plate 10 is fixedly connected with a plurality of PLC controllers 11, and the gas pressure display screens 9 are connected with the warning lamp 34, the warning lamp 34 is connected with the PLC 11, and the protection pipeline 1 is connected with a decompression module 6.
Gas pressure detection probe 3 is fixed on the 1 inner wall of protection pipeline, every gas pressure detection probe 3 links to each other with a gas pressure display screen 9, and warning light 34 is controlled to every PLC controller 11.
The pressure detection value of the gas pressure detection probe 3 is 1.2 atmospheric pressures.
Under normal conditions, the pressure in the protection pipeline 1 is 1 atmospheric pressure, and when gas pressure detection probe 3 detected that protection pipeline 1 internal gas pressure was 1.2 atmospheric pressure, it has the natural gas leakage to show transmission pipeline 2, shows the atmospheric pressure value in the protection pipeline 1 on the gas pressure display screen 9 this moment, and this information transmission gives PLC controller 11 simultaneously, and PLC controller 11 controls warning light 34 and lights.
The protection pipeline 1 is in spiral connection with a plurality of sections of stainless steel pipes, the transmission pipeline 2 is in spiral connection with a plurality of sections of stainless steel pipes, the welding discs 5 are fixed at two ends of each section of transmission pipeline 2, the length of each section of protection pipeline 1 is 1.2-1.5 times of the length of each section of transmission pipeline 2, and the data line 7 is externally provided with a protection sleeve 13.
A conveying pipe 14 and a conveying sleeve 15 are respectively arranged in the conveying pipeline 2 along the natural gas flow direction, the conveying pipe 14 comprises a guide pipe 16 and a first sleeve 17, the first sleeve 17 is fixed at the front end of the guide pipe 16, the conveying sleeve 15 comprises a guide pipe 16 and a second sleeve 18, the second sleeve 18 is fixed at the front end of the guide pipe 16, the guide pipe 16 is fixed in the conveying pipeline 2 in a sealing mode, and the first sleeve 17 is communicated with the second sleeve 18.
The guide pipe 16 and the first sleeve 17 are of an integrated structure, the guide pipe 16 and the second sleeve 18 are of an integrated structure, and the front end of the second sleeve 18 extends out of the transmission pipeline 2.
Be equipped with hollow structure's fixed axle 24 in the first sleeve pipe 17, fixed axle 24 towards the one side of stand 16 is seal structure, and the another side is open structure, first sleeve pipe 17 towards the one side of stand 16 is open structure, and the another side is seal structure, fixed axle 24 surface is equipped with first through-hole 25, second sleeve pipe 18 side is equipped with second through-hole 19, be equipped with spring post 20 in the second sleeve pipe 18, spring post 20 front end is fixed with sealing washer 22 through hollow structure's axle 21 even, fixed axle 24 cover is established in the second sleeve pipe 18, be equipped with through-hole stopper 28 on even axle 21, through-hole stopper inlays 28 in the second through-hole 19.
The bottom of the spring column 20 is fixed with a welding plate 26, the side wall of the welding plate 26 is provided with a connecting rod 27, the front end of the connecting rod 27 is fixed on the inner wall of the second sleeve 18, the diameter of the spring column 20 is smaller than that of the welding plate 26, the diameter of the welding plate 26 is smaller than the inner diameter of the second sleeve 18, and the diameter of the connecting shaft 21 is smaller than that of the spring column 20.
And a sealing ring limiting groove 23 is formed in the inner wall of the second sleeve 18, the sealing ring 22 is embedded in the sealing ring limiting groove 23, and the sealing ring 22 is made of rubber materials.
By pressing the sealing ring 22 by the fixing shaft 24, the sealing ring 22 retracts to the lower end of the second through hole 19 under the action of the spring column 20, the through hole plug 28 falls off from the second through hole 19, and the natural gas circulates along the second through hole 19 and the first through hole 25.
After the protective pipeline 1 is disassembled, the pressure acting on the sealing ring 22 disappears, the sealing ring 22 is rebounded to the sealing ring limiting groove 23 under the elastic force action of the spring column 20, the through hole plug 28 is squeezed into the second through hole 19, and the natural gas in the transmission pipeline 2 is prevented from flowing.
The air pressure in the recycling bottle 32 is 0.8 to 1.0 atmosphere.
After the protective pipeline 1 is detached, the recovery bottle 32 is fixed on the exhaust pipe 31, the second check valve 33 and the first check valve 30 are opened in sequence, and the natural gas in the protective pipeline 1 flows into the recovery bottle 32.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A pressure monitoring system based on a wired transmission pipeline is characterized in that: the gas pressure monitoring device comprises a protection pipeline (1), a transmission pipeline (2) and an electric cabinet (4), wherein the transmission pipeline (2) is sleeved inside the protection pipeline (1), a plurality of welding discs (5) are arranged on the transmission pipeline (2), the welding discs (5) are welded and fixed on the inner wall of the protection pipeline (1), a gas pressure detection probe (3) is arranged between every two adjacent welding discs (5), a gas pressure display area (8), a warning lamp (34) and a power cabinet (12) are sequentially arranged in the electric cabinet (4) from top to bottom, a plurality of gas pressure display screens (9) are arranged on the gas pressure display area (8), the gas pressure display screens (9) are connected with the gas pressure detection probe (3) through data lines (7), partition plates (10) are arranged in the electric cabinet (4), and the partition plates (10) are fixedly connected with a plurality of PLC controllers (11), the gas pressure display screen (9) is connected with the warning lamp (34), the warning lamp (34) is connected with the PLC (11), the protective pipeline (1) is connected with the decompression module (6), the conveying pipeline (2) is internally provided with a conveying pipe (14) and a conveying sleeve (15) along the natural gas flow direction respectively, the conveying pipe (14) comprises a guide pipe (16) and a first sleeve (17), the first sleeve (17) is fixed at the front end of the guide pipe (16), the conveying sleeve (15) comprises a guide pipe (16) and a second sleeve (18), the second sleeve (18) is fixed at the front end of the guide pipe (16), the guide pipe (16) is fixed in the conveying pipeline (2) in a sealing manner, the first sleeve (17) is communicated with the second sleeve (18), and a fixing shaft (24) with a hollow structure is arranged in the first sleeve (17), fixed axle (24) face the one side of stand pipe (16) is seal structure, and the another side is open structure, first sleeve pipe (17) face the one side of stand pipe (16) is open structure, and the another side is seal structure, fixed axle (24) surface is equipped with first through-hole (25), second sleeve pipe (18) side is equipped with second through-hole (19), be equipped with spring post (20) in second sleeve pipe (18), spring post (20) front end is fixed with sealing washer (22) through hollow structure's axle (21), fixed axle (24) cover is established in second sleeve pipe (18), be equipped with through-hole stopper (28) on axle (21) even, through-hole stopper (28) inlay in second through-hole (19).
2. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: gas pressure detection probe (3) are fixed on protective pipe (1) inner wall, and every gas pressure detection probe (3) link to each other with a gas pressure display screen (9), and warning light (34) are controlled in every PLC controller (11).
3. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: the protective pipeline (1) is in spiral connection with a plurality of sections of stainless steel pipes, the transmission pipeline (2) is in spiral connection with a plurality of sections of stainless steel pipes, the welding discs (5) are fixed at two ends of each section of transmission pipeline (2), the length of each section of protective pipeline (1) is 1.2-1.5 times of the length of each section of transmission pipeline (2), and the protective sleeve (13) is arranged outside the data line (7).
4. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: the guide pipe (16) and the first sleeve (17) are of an integrated structure, the guide pipe (16) and the second sleeve (18) are of an integrated structure, and the front end of the second sleeve (18) extends out of the transmission pipeline (2).
5. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: the spring column (20) bottom is fixed with welding plate (26), be equipped with connecting rod (27) on welding plate (26) lateral wall, connecting rod (27) front end is fixed on second sleeve pipe (18) inner wall, the diameter of spring column (20) is less than the diameter of welding plate (26), the diameter of welding plate (26) is less than the internal diameter of second sleeve pipe (18), the diameter of even axle (21) is less than the diameter of spring column (20).
6. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: and a sealing ring limiting groove (23) is formed in the inner wall of the second sleeve (18), the sealing ring (22) is embedded in the sealing ring limiting groove (23), and the sealing ring (22) is made of rubber materials.
7. The wired transmission pipeline-based pressure monitoring system of claim 1, wherein: decompress module (6) including communicating pipe (29) and blast pipe (31), blast pipe (31) with communicating pipe (29) intercommunication, be equipped with first check valve (30) on communicating pipe (29), the spiral is fixed with on blast pipe (31) and retrieves bottle (32), it installs second check valve (33) to be equipped with on retrieving bottle (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606216.5A CN110500509B (en) | 2019-07-05 | 2019-07-05 | Pressure monitoring system based on wired transmission pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910606216.5A CN110500509B (en) | 2019-07-05 | 2019-07-05 | Pressure monitoring system based on wired transmission pipeline |
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| CN110500509A CN110500509A (en) | 2019-11-26 |
| CN110500509B true CN110500509B (en) | 2021-11-09 |
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| CN201910606216.5A Active CN110500509B (en) | 2019-07-05 | 2019-07-05 | Pressure monitoring system based on wired transmission pipeline |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113944890A (en) * | 2021-10-22 | 2022-01-18 | 中国计量大学 | Pipeline detection method, equipment, device, use method and storage medium |
| CN118375851B (en) * | 2024-06-24 | 2024-10-22 | 江苏常氢科技工程研究院有限公司 | A hydrogen fuel delivery system for vehicle |
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| CN110500509A (en) | 2019-11-26 |
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