CN110886971A - Pipeline leakage multi-source detection experiment platform - Google Patents
Pipeline leakage multi-source detection experiment platform Download PDFInfo
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- CN110886971A CN110886971A CN201911198469.XA CN201911198469A CN110886971A CN 110886971 A CN110886971 A CN 110886971A CN 201911198469 A CN201911198469 A CN 201911198469A CN 110886971 A CN110886971 A CN 110886971A
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- 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
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
Abstract
The invention provides a pipeline leakage multi-source detection experiment platform which comprises an air source control room (1), an acquisition control room (2), an overhead pipeline model (3), a deep buried soil pipeline model (4) and an explanation display area (5), wherein the air source control room (1) is connected with the overhead pipeline model (3) and the deep buried soil pipeline model (4) through pipelines, and the acquisition control room (2) is respectively connected with the air source control room (1), the overhead pipeline model (3) and the deep buried soil pipeline model (4) through cables. The system is provided with the overhead pipeline and the deep buried soil body pipeline in one experiment platform simultaneously, so that the overhead pipeline and the buried pipeline can be detected, the structure is simple, and the operation is convenient; the pressure, the flow velocity and the flow of an air source entering a pipeline are managed by controlling the electric ball valve, the pressure reducing valve and the like, controllable experiment detection is carried out on the pipeline, and the accuracy, the stability and the safety of detection are improved.
Description
Technical Field
The invention relates to the technical field of pipeline leakage detection, in particular to a pipeline leakage multi-source detection experiment platform.
Background
With the rapid development of economy and society in China, the demand for energy is also continuously increased. Oil, natural gas, and the like have long been the major energy sources in energy utilization, and their exploitation, transportation, and storage have been the major importance. Among them, pipeline transportation is increasingly adopted as a transportation means for long-term, stable and efficient transportation. The construction of a large number of oil and natural gas transmission pipelines not only increases economic benefits, but also brings corresponding hazards. In recent years, phenomena of corrosion and cracking of overhead pipelines and buried pipelines are continuously caused, leakage of petroleum and natural gas conveying pipelines brings potential safety hazards to safe transportation energy, normal conveying is influenced, and a large amount of economic losses are caused. Meanwhile, because petroleum pollutants cause carcinogenesis, teratogenesis and genogenesis mutation, once the gas containing components such as alkane, methane, ethane and the like is leaked, the energy is not only wasted, but also disastrous damage is easily caused to the local ecological environment, soil and underground water sources. Therefore, research on leakage detection of transport pipelines is necessary, and no report is found on the current experimental platform for researching overhead pipelines and buried pipelines for transporting oil and gas.
Disclosure of Invention
The invention provides a pipeline leakage multi-source detection experiment platform, aiming at solving the problem that in the prior art, the number of experiment platforms for researching an overhead pipeline and a buried pipeline for conveying oil and gas is small.
The utility model provides a pipeline leaks multisource detection experiment platform, includes air supply control room, collection control room, overhead pipeline model, buries soil body pipeline model, explanation show area deeply, the air supply control room pass through the pipeline with overhead pipeline model with bury soil body pipeline model connection deeply, the collection control room pass through the cable respectively with the air supply control room overhead pipeline model bury soil body pipeline model connection deeply.
In a preferred embodiment of the invention, the air source control room comprises an air compressor, an air filter, a first air storage tank, a water diversion drainer, an oil remover, a cold dryer and a pressure reducing valve, wherein the air compressor, the air filter, the first air storage tank, the water diversion drainer, the oil remover, the cold dryer and the pressure reducing valve are sequentially connected, and the air source control room further comprises a second air storage tank, a pressure reducing valve, an air release port and an electric appliance cabinet which are connected with the other ends of the overhead pipeline model and the deep-buried soil body pipeline model.
In a preferred embodiment of the present invention, a service valve is further disposed between the air filter and the first air tank, the pressure reducing valve is provided with safety valves for the first air tank and the second air tank, and ball valves are disposed at an air inlet end of the first air tank and an air outlet end of the second air tank.
In a preferred embodiment of the present invention, the overhead pipeline model includes an overhead annular steel pipe and an overhead annular PE pipe connected in parallel by a pipeline, and the overhead annular steel pipe and the overhead annular PE pipe are respectively fixed on an overhead steel fixing bracket.
In a preferred embodiment of the invention, electric ball valves are arranged at two ends of the overhead annular steel pipe and two ends of the overhead annular PE pipe, and a pressure reducing valve is further arranged between the two ends of the overhead annular PE pipe and the electric ball valves.
In a preferred embodiment of the invention, the deeply buried soil mass pipeline model comprises a buried steel pipe and a buried PE pipe which are connected in parallel, the buried steel pipe and the buried PE pipe are respectively fixed on a buried steel fixing bracket, an elevated soil mass enclosure is arranged outside the buried steel fixing bracket, a deeply buried soil mass is filled inside the buried steel fixing bracket, and the height of the deeply buried soil mass is 2 m.
In a preferred embodiment of the invention, electric ball valves are arranged at two ends of the buried steel pipe and the buried PE pipe, and a pressure reducing valve is arranged between the two ends of the buried PE pipe and the electric ball valves.
In a preferred embodiment of the present invention, the overhead pipeline model and the deep-buried soil mass pipeline model are connected in parallel by a pipeline, a first sensor is disposed at an air inlet end of the overhead pipeline model and an air outlet end of the deep-buried soil mass pipeline model, and a second sensor is disposed at an air outlet end of the overhead pipeline model and an air outlet end of the deep-buried soil mass pipeline model.
In a preferred embodiment of the present invention, the first sensor includes a first turbine flowmeter, a first electric ball valve, a first pressure sensor, a first differential pressure sensor, and a first temperature sensor, which are sequentially connected to the air source control chamber, and the second sensor includes a second turbine flowmeter, a second electric ball valve, a second pressure sensor, a second differential pressure sensor, and a second temperature sensor, which are sequentially connected to the air source control chamber.
In a preferred embodiment of the present invention, the collection control room includes a data collection console, an air source ball valve console, a computer system, a centralized console, a large display screen, and an observation window, and the data collection console, the air source ball valve console, the computer system, the centralized console, and the large display screen are connected by cables.
Compared with the prior art, the invention has the beneficial effects that:
(1) the overhead pipeline and the deeply buried soil body pipeline are arranged in one experiment platform simultaneously, so that the leakage in the overhead pipeline and the buried pipeline can be detected, the structure is simple, and the operation is convenient;
(2) through the program control to electric ball valve, relief pressure valve, first electric ball valve, second electric ball valve etc. manage the pressure, the velocity of flow, the flow that get into the air supply of pipeline, carry out controllable experiment to the pipeline and detect, do not need artifical manual operation, improve the accuracy and the stability that detect, can also improve the security performance.
Drawings
FIG. 1 is a functional partition schematic view of a preferred embodiment of a multi-source pipeline leakage detection experiment platform according to the present invention;
FIG. 2 is a schematic plan view of a functional partition of a preferred embodiment of a multi-source pipeline leakage detection experiment platform according to the present invention;
FIG. 3 is a schematic diagram of a gas path flow of a preferred embodiment of a multi-source detection experiment platform for pipeline leakage according to the present invention;
FIG. 1-gas source control chamber; 2-collection control room; 3-an overhead pipeline model; 4-deeply burying a soil pipeline model; 5-explanation display area; 11-an air compressor; 12-an air filter; 13-a first gas reservoir; 14-a water diversion drainer; 15-oil remover; 16-a cold dryer; 17-a pressure reducing valve; 18-a second air reservoir; 19-air relief port; 21-a data acquisition console; 22-gas source ball valve console; 23-display large screen; 24-a viewing window; 31-erecting an annular steel pipe; 32-overhead annular PE pipe; 33-overhead steel fixing brackets; 34-an electric ball valve; 41-buried steel pipes; 42-buried PE pipe; 43-buried steel fixing brackets; 44-elevated soil body fencing; 6-a first sensor; 61-first turbine mass flow meter; 62-a first motorized ball valve; 63-a first pressure sensor; 64-a first differential pressure sensor; 65-a first temperature sensor; 7-a second sensor; 71-a second turbine mass flow meter; 72-a second motorized ball valve; 73-a second pressure sensor; 74-a second differential pressure sensor; 75-a second temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Please refer to fig. 1 and fig. 2, which are schematic functional partition diagrams of a multi-source detection experiment platform for pipeline leakage according to a preferred embodiment of the present invention, the multi-source detection experiment platform for pipeline leakage has a length of 16m, a width of 10m, and a height of 3.5m, and includes an air source control room 1, an acquisition control room 2, an overhead pipeline model 3, a deep buried soil pipeline model 4, and an explanation display area 5, wherein the air source control room 1 is connected to the overhead pipeline model 3 and the deep buried soil pipeline model 4 through a pipeline, and the acquisition control room 2 is connected to the air source control room 1, the overhead pipeline model 3, and the deep buried soil pipeline model 4 through cables.
Referring to fig. 1, 2 and 3, in the present embodiment, the gas source control chamber 1 mainly functions to provide a gas source with an area of about 20m2The air-conditioning system comprises an air compressor 11, an air filter 12, a first air storage tank 13, a water diversion drainer 14, an oil remover 15, a cold dryer 16 and a pressure reducing valve 17, wherein the air compressor 11, the air filter 12, the first air storage tank 13, the water diversion drainer 14, the oil remover 15, the cold dryer 16 and the pressure reducing valve 17 are sequentially connected, and the air-conditioning system further comprises a second air storage tank 18, a pressure reducing valve 17, an air release port 19 and an electric appliance cabinet which are connected with the other ends of the overhead pipeline model 3 and the deep-buried soil body pipeline model 4.
In this embodiment, a service valve is further disposed between the air filter 12 and the first air tank 13, the pressure reducing valve is provided with safety valves for the first air tank 13 and the second air tank 18, and ball valves are disposed at an air inlet end of the first air tank 13 and an air outlet end of the second air tank 18.
Further, in this embodiment, the air compressor 11 is a high-pressure screw air compressor, the rated displacement is 2.35m3/min, the rated exhaust pressure is 3.0MPa, the motor power is 22KW, and the refrigeration mode is air cooling.
In this embodiment, the area of the overhead pipe model 3 is about 50m2The device comprises an overhead annular steel pipe 31 and an overhead annular PE pipe 32 which are connected in parallel through pipelines, wherein the overhead annular steel pipe 31 and the overhead annular PE pipe 32 are respectively fixed on an overhead steel fixing bracket 33.
In this embodiment, electric ball valves 34 are disposed at two ends of the overhead annular steel pipe 31 and the overhead annular PE pipe 32, and a pressure reducing valve 17 is further disposed between the two ends of the overhead annular PE pipe 32 and the electric ball valves 34.
Further, in this embodiment, the medium in the pipeline of the overhead pipeline model 3 is air, the control pressure is not less than 1.6MPa, the experimental pressure of the gas in the steel pipe is not less than 1.0MPa, the experimental pressure of the gas in the PE pipe is not less than 0.6MPa, the upper layer of the spiral pipe of PE is about 80 meters, and the lower layer of the spiral pipe of the steel pipe is about 80 meters.
In this embodiment, the area of the deeply buried soil pipe model 4 is about 20m2The buried steel pipe 41 and the buried PE pipe 42 are connected in parallel, the buried steel pipe 41 and the buried PE pipe 42 are respectively fixed on a buried steel fixing bracket 43, an elevated soil body surrounding baffle 44 is arranged on the outer side of the buried steel fixing bracket 43, a buried steel fixing bracket 43 is filled with a deeply buried soil body, and the height of the deeply buried soil body is 2 m.
In this embodiment, electric ball valves 34 are arranged at two ends of the buried steel pipe 41 and the buried PE pipe 42, and a pressure reducing valve 17 is further arranged between the two ends of the buried PE pipe 42 and the electric ball valves 34.
Further, in this embodiment, the deeply buried soil frame of the deeply buried soil pipeline model 4 is composed of a steel structure and a thick transparent acrylic plate, and has 5 layers, the height of each layer is 400mm, the effective buried area is 2400mm × 3600mm, the buried soil needs to be about 17 cubic meters, each of the steel pipe and the PE pipe is 3.5 meters long and is buried deeply by 1.4 meters, the bearing pressure of the steel pipe is not less than 1.0MPa, and the bearing pressure of the PE pipe is not less than 0.6 MPa.
In this embodiment, the overhead pipeline model 3 and the deeply buried soil mass pipeline model 4 are connected in parallel through a pipeline, a first sensor 6 is arranged at the air inlet end of the overhead pipeline model 3 and the deeply buried soil mass pipeline model 4, and a second sensor 7 is arranged at the air outlet end of the overhead pipeline model 3 and the deeply buried soil mass pipeline model 4.
In this embodiment, the first sensor 6 includes a first turbine flowmeter 61, a first electric ball valve 62, a first pressure sensor 63, a first differential pressure sensor 64, and a first temperature sensor 65, which are sequentially connected to the air supply control chamber 1, and the second sensor 7 includes a second turbine flowmeter 71, a second electric ball valve 72, a second pressure sensor 73, a second differential pressure sensor 74, and a second temperature sensor 75, which are sequentially connected to the air supply control chamber 1.
In the present embodiment, the collection control room 2 functions as data collection, analysis and experiment control, and has an area of about 20m2The device comprises a data acquisition console 21, an air source ball valve console 22, a computer system, a centralized console, a large display screen 23 and an observation window 24, wherein the data acquisition console 21, the air source ball valve console 22, the computer system, the centralized console and the large display screen 23 are connected through cables.
Further, in this embodiment, the computer system runs under the Windows10 environment, and adopts Delphi programming. The instrument working process is displayed on an interface, man-machine conversation can be realized, and an operator can be unattended after setting parameters; the computer can automatically acquire all real-time data such as pressure, temperature, flow and the like and display the data on the gas circuit model; the data collected by the computer can be stored, and can be processed to generate an original data report, an analysis report and a curve graph, and a database file format is generated for the flexible use of a user; the software can simultaneously perform over-pressure and under-pressure safety analysis and control output and gas path selection control output. Can satisfy the following functions: the operating platform is windows10 and supports an Access database; user registration, authority and login management; electronic accounts are used in laboratories; acquiring, displaying and storing data of the channel sensor; displaying a two-dimensional plane and a section of the experimental model; dynamic visual display of gas flow direction, parameters and valve states; querying, displaying, editing and exporting historical data; opening, closing and switching the experimental gas circuit function by program control (touch); the safety cut-off protection function of the pressure loss, overpressure and over flow of the gas path.
In this embodiment, the area of the explanation display area 5 is about 25m2The barrier is used as a place for visiting, visiting and communicating personnel activities and is isolated from a laboratory test area by a barrier, so that the safety of personnel is ensured.
Further, in this embodiment, the medium in the pipeline is air, the pressure controlled by the pressure reducing valve 17 is not less than 1.6Mpa, the experimental pressure of the gas in the overhead annular steel pipe 31 and the buried steel pipe 41 is not less than 1.0Mpa, and the experimental pressure of the gas in the overhead annular PE pipe 32 and the buried PE pipe 42 is not less than 0.6 Mpa.
Further, in the present embodiment, the gas source pipeline of the gas source control chamber 1 is adopted
(2.5 inches) seamless steel pipes (or galvanized pipes) are connected, and the steel pipes in the experimental area overhead pipeline model 3 and the deep-buried soil body pipeline model 4 are connected by adopting
The (5 inch) seamless steel pipe is used as an air source conveying pipeline, and the overhead annular steel pipe 31 and the deep-buried steel pipe 41 adopt
The (5 inch) seamless steel pipe and the overhead annular PE pipe 32 adopt
The (5 inch) medium-sized pressure-resistant air pipes are connected with each other by connecting pipelines in series by adopting methods such as electric welding, hot melting welding, flange connection, variable diameter connection and the like, and all the pipelines are supported and fixed by adopting methods such as brackets, pipe clamps and the like.
Gas pipelines, electric appliances, lighting circuits, data acquisition cables and the like among all the areas are designed, purchased, manufactured, installed and debugged according to corresponding national standard or requirement, safety standard or requirement of production operation places, requirements of site environment-friendly construction and the like.
In the invention, the air source control chamber 1 provides air sources for the overhead annular steel pipe 31, the overhead annular PE pipe 32, the buried steel pipe 41 and the buried PE pipe 42, the electric ball valve 34, the first electric ball valve 62, the second electric ball valve 72 and each pressure reducing valve 17 are controlled by the air source ball valve control console 22 to control the air inlet speed and pressure of the air sources, and the data acquisition control console 21 acquires parameters such as flow, speed, pressure, temperature and the like of air in the pipeline through the first sensor 6 and the second sensor 7. Specifically, the air compressor 11 works, compressed air enters a gas storage tank (a gas storage tank is provided with a 1.6MPa gas safety valve) through an air filter 12 and a ball valve, oil and water are removed through a water diversion drainer 14 and an oil remover 15, the cold dryer 16 is dried, a pressure reducing valve 17 reduces pressure (1.0MPa) and then enters an experimental area pipeline, under the program control of an electric ball valve 34, a pipeline required by an experiment is opened, other pipelines not required are closed, experimental acquisition work is carried out, the compressed air is converged into a second gas storage tank through the ball valve after passing through an experimental area and is stored, various sensors acquire gas parameters in the pipeline, the experiment is finished, and the machine is stopped to empty the.
The system is provided with the overhead pipeline and the deeply buried soil body pipeline in one experimental platform, can detect the leakage in the overhead pipeline and the buried pipeline, and is simple in structure and convenient to operate; through the program control to electric ball valve, relief pressure valve, first electric ball valve, second electric ball valve etc. manage the pressure, the velocity of flow, the flow that get into the air supply of pipeline, carry out controllable experiment to the pipeline and detect, do not need artifical manual operation, improve the accuracy and the stability that detect, can also improve the security performance.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a pipeline leaks multisource detection experiment platform which characterized in that: including air supply control room (1), collection control room (2), overhead pipeline model (3), bury soil body pipeline model (4), explanation show area (5) deeply, air supply control room (1) through the pipeline with overhead pipeline model (3) with bury soil body pipeline model (4) deeply and connect, collection control room (2) through the cable respectively with air supply control room (1) overhead pipeline model (3) bury soil body pipeline model (4) deeply and connect.
2. The multi-source pipeline leakage detection experiment platform according to claim 1, wherein: the air source control room (1) comprises an air compressor (11), an air filter (12), a first air storage tank (13), a water diversion drainer (14), an oil remover (15), a cold dryer (16) and a pressure reducing valve (17), wherein the air compressor (11), the air filter (12), the first air storage tank (13), the water diversion drainer (14), the oil remover (15), the cold dryer (16) and the pressure reducing valve (17) are sequentially connected, and the air source control room further comprises a second air storage tank (18), a pressure reducing valve (17), a gas release port (19) and an electric appliance cabinet, wherein the second air storage tank (18), the pressure reducing valve (17), the gas release port (19) and the electric appliance cabinet are connected with the overhead pipeline model (.
3. The multi-source pipeline leakage detection experiment platform according to claim 2, wherein: an overhaul valve is further arranged between the air filter (12) and the first air storage tank (13), the first air storage tank (13) and the second air storage tank (18) of the pressure reducing valve are both provided with safety valves, and the air inlet end of the first air storage tank (13) and the air outlet end of the second air storage tank (18) are both provided with ball valves.
4. The multi-source pipeline leakage detection experiment platform according to claim 1, wherein: the overhead pipeline model (3) comprises an overhead annular steel pipe (31) and an overhead annular PE pipe (32) which are connected in parallel through pipelines, and the overhead annular steel pipe (31) and the overhead annular PE pipe (32) are respectively fixed on an overhead steel fixing bracket (33).
5. The multi-source pipeline leakage detection experiment platform according to claim 4, wherein: both ends of the overhead annular steel pipe (31) and the overhead annular PE pipe (32) are provided with electric ball valves (34), and pressure reducing valves (17) are further arranged between both ends of the overhead annular PE pipe (32) and the electric ball valves (34).
6. The multi-source pipeline leakage detection experiment platform according to claim 1, wherein: deeply bury soil body pipeline model (4) including parallel connection bury ground steel pipe (41) and bury ground PE pipe (42), bury ground steel pipe (41) and bury ground PE pipe (42) and fix respectively on burying ground steel fixing bracket (43), bury ground steel fixing bracket (43) outside and be equipped with the overhead soil body and enclose fender (44), bury ground steel fixing bracket (43) inboard and pack deeply and bury the soil body, bury deeply that the soil body height is 2 m.
7. The pipeline leakage multi-source detection experiment platform according to claim 6, wherein: the buried steel pipe (41) and the buried PE pipe (42) are provided with electric ball valves (34) at two ends, and pressure reducing valves (17) are further arranged between two ends of the buried PE pipe (42) and the electric ball valves (34).
8. The multi-source pipeline leakage detection experiment platform according to claim 1, wherein: the system is characterized in that the overhead pipeline model (3) and the deeply buried soil body pipeline model (4) are connected in parallel through pipelines, a first sensor (6) is arranged at the air inlet end of the overhead pipeline model (3) and the deeply buried soil body pipeline model (4), and a second sensor (7) is arranged at the air outlet end of the overhead pipeline model (3) and the deeply buried soil body pipeline model (4).
9. The multi-source pipeline leakage detection experiment platform according to claim 8, wherein: the first sensor (6) comprises a first turbine large flow meter (61), a first electric ball valve (62), a first pressure sensor (63), a first differential pressure sensor (64) and a first temperature sensor (65) which are sequentially connected with the air source control chamber (1), and the second sensor (7) comprises a second turbine large flow meter (71), a second electric ball valve (72), a second pressure sensor (73), a second differential pressure sensor (74) and a second temperature sensor (75) which are sequentially connected with the air source control chamber (1).
10. The multi-source pipeline leakage detection experiment platform according to claim 1, wherein: the acquisition control room (2) comprises a data acquisition control console (21), an air source ball valve control console (22), a computer system, a centralized control console, a large display screen (23) and an observation window (24), wherein the data acquisition control console (21), the air source ball valve control console (22), the computer system, the centralized control console and the large display screen (23) are connected through cables.
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| CN111536428A (en) * | 2020-05-13 | 2020-08-14 | 华北水利水电大学 | Pipe network leakage control model based on big data and construction method thereof |
| WO2022160588A1 (en) * | 2021-01-27 | 2022-08-04 | 福州大学 | Experimental system for pipe gallery gas pipeline leakage and method |
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Application publication date: 20200317 |
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