CN108037026A - Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin - Google Patents
Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin Download PDFInfo
- Publication number
- CN108037026A CN108037026A CN201810069317.9A CN201810069317A CN108037026A CN 108037026 A CN108037026 A CN 108037026A CN 201810069317 A CN201810069317 A CN 201810069317A CN 108037026 A CN108037026 A CN 108037026A
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- Prior art keywords
- cabin
- pipe gallery
- gas
- urban underground
- underground pipe
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
Abstract
The invention provides gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin, including pipe gallery model, gas mixing allocating system, ignition system and digital image acquisition control system.Described pipe gallery model one end is connected with ignition system, and the other end is connected with gas mixing allocating system.The digital image acquisition control system includes sensor unit, high-speed motion picture camera, high-frequency data Acquisition Instrument, isochronous controller and display server.Sensor unit is located inside pipe gallery model, and high-frequency data Acquisition Instrument is connected with sensor unit and isochronous controller respectively, and display server is connected with isochronous controller, and isochronous controller is also connected with ignition system, high-speed motion picture camera and external computer respectively.Gas fuel burning, the impact failure influence exploded on this cabin and face cabin, have filled up traditional experiment system in pipe gallery restricted clearance blast impulse to the blank in edge effect research in the analysis integrated piping lane model of the invention.
Description
Technical field
The invention belongs to municipal public safety field, more particularly, to gas in a kind of Urban Underground pipe gallery cabin
Combustion explosion analogue experiment installation.
Background technology
China is proposed to set Urban Underground pipe gallery, the common line such as its internal storage combustion gas, heating power, electric power, water conservancy, in advance
Access path is stayed, pipe gallery, which has, to be easy to pipeline layout maintenance management, the orderly development planning easy to city, simplifies city system
The advantages such as system.At the same time, the major hazard source such as pipe gallery collection electric power, heating power and combustion gas one, in urban environment and nature
Under the complexing action of environment, huge security risk can be produced while construction, operation and maintenance.Occur both at home and abroad it is a lot of by
In underground energy pipeline, heat distribution pipeline leakage, explosion accident, cause serious casualties, property loss and trigger bad society
The disaster accident that can be influenced.
Domestic and foreign scholars have done numerous studies for the premixed flame mechanism of transmission in pipeline at present, also develop corresponding pipe
Premixed combustion gas explosion experimental facility in road, but such experimental provision is complicated to the more cabins of Urban Underground pipe gallery dangerous
Source coupling causes the research of calamity mechanism in the presence of limitation fundamentally：(1) explosion chamber of experimental provision is typically designed as single-chamber or straight
Line series connection multi-cavity structure, but pipe gallery sets conveying pipe for more tube cabins are in parallel, tube cabin is interior；(2) direct point in experimentation
The flammable premixed gas in explosion chamber is fired, is not added for the effect of complicated dangerous matter sources and natural environment to pipe gallery system
To consider；(3) such experimental provision is used to study the pipeline flame mechanism of transmission, it is impossible to shows flame and blast wave to tube cabin wall
With the role and influence of other tube cabins arranged side by side；(4) form for the barrier that such experimental provision is set in explosion chamber is excessively single
One.Therefore, design is a kind of researchs and analyses gas combustion explosion flame and shock wave in Urban Underground pipe gallery cabin for new
The experimental provision of propagation characteristic, has important application value to Urban Underground pipe gallery security.
The content of the invention
The invention will solve the problems, such as to be to provide gas combustion explosion in a kind of Urban Underground pipe gallery cabin and simulate
Experimental provision, solves the effect existing in the prior art that cannot show flame and blast wave to tube cabin wall and other tube cabins arranged side by side
The problems such as with influencing.
In order to solve the above technical problems, the technical solution that the invention uses is：
Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin, including pipe gallery mould are provided
Type, gas mixing allocating system, ignition system and digital image acquisition control system, described pipe gallery model one end and igniting
System is connected, and the other end is connected with gas mixing allocating system；The gas mixing allocating system is divided into air distribution system and ventilation
System, wherein air distribution system include vacuum pump and gas mixing bottle, and air exchange system includes air compressor；The data image is adopted
Collection control system includes sensor unit, high-speed motion picture camera, high-frequency data Acquisition Instrument, isochronous controller and display server；Pass
Sensor cell is located inside pipe gallery model, and high-frequency data Acquisition Instrument is connected with sensor unit and isochronous controller respectively,
Display server is connected with isochronous controller, isochronous controller also respectively with ignition system, high-speed motion picture camera and external computer phase
Even.
Further, the sensor unit includes temperature sensor, the pressure biography being located on pipe gallery model inner wall
Sensor and strain gauge.
Further, the ignition system is adjustable isolating high-pressure ignitor, and the adjustable isolating high-pressure ignitor is equipped with ignitor,
Described pipe gallery model one end connects ignitor, other end connection gas mixing allocating system.
Further, the pipe gallery model includes combustion gas cabin, and the combustion gas cabin is internally provided with fire resistant doorsets, gas pipeline
Support column and the simulation gas pipeline on gas pipeline support column, further include the cable trough positioned at combustion gas cabin right side, go out
Fire-box, ground conduit, distribution box and pressure release ventilating opening.
Further, the pipe gallery model further includes sewage tube cabin, and the sewage tube cabin is in parallel with the combustion gas cabin
Set, the sewage tube cabin is internally provided with sewage pipe and spare regeneration water pipe.
Further, the pipe gallery model further includes water supply and communication module, combustion gas cabin, water supply and the communication module and
Sewage tube cabin is arranged in parallel successively, and the water supply and communication module include feedwater piping, heat distribution pipeline and the communications cable.
Further, the pipe gallery model further includes electric compartment, combustion gas cabin, water supply and communication module, electric compartment and dirt
Water pipe cabin is arranged in parallel successively, and electric power cable is equipped with the electric compartment.
Further, combustion gas cabin, water supply and the communication module, electric compartment and sewage tube cabin are square cavate nacelle, and
The nacelle both ends of combustion gas cabin, water supply and the communication module, electric compartment and sewage tube cabin are respectively equipped with flange.
The invention uses the pipe gallery model of more cabins parallel connection, researchs and analyses fuel gas buring in cabin, explosion to this cabin
And face the impact failure influence in cabin, traditional experiment system has been filled up in restricted clearance blast impulse to the sky in edge effect research
In vain, while the form of the barrier set in cabin is enriched, more meets Practical Project environment.
Brief description of the drawings
Fig. 1 is the structure connection figure of gas combustion explosion analogue experiment installation in Urban Underground pipe gallery cabin.
Fig. 2 is the left profile structure chart in combustion gas cabin in pipe gallery model.
Fig. 3 is the right sectional structure chart in combustion gas cabin in pipe gallery model.
Fig. 4 is the sectional structure chart of the pipe gallery model of more cabins parallel connection.
In figure：
1st, combustion gas cabin 111, display server 112, isochronous controller
113rd, high-frequency data Acquisition Instrument 114, adjustable isolating high-pressure ignitor 115, high-speed motion picture camera
116th, ignitor 117, pressure sensor 118, strain gauge
119th, temperature sensor 121, flange 122, combustion gas cabin nacelle
123rd, pressure release ventilating opening 124, simulation gas pipeline 125, cable trough
126th, gas pipeline support column 127, fire resistant doorsets 128, fire extinguishing box
129th, ground conduit 1210, distribution box 131, air compressor
141st, vacuum pump 142, pressure gauge 143, gas mixing bottle
2nd, water supply and communication module 21, feedwater piping 22, heat distribution pipeline
23rd, the communications cable 3, electric compartment 31, electric power cable
4th, sewage tube cabin 41, sewage pipe 42, spare regeneration water pipe
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, is for only for ease of description the invention and simplifies description, rather than indicates or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the invention.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
Elaborate below in conjunction with the accompanying drawings to the specific embodiment of the invention.
As shown in Figure 1, the invention provides gas combustion explosion simulated experiment in a kind of Urban Underground pipe gallery cabin
Device, including pipe gallery model, gas mixing allocating system, ignition system and digital image acquisition control system.The point
Fiery system is adjustable isolating high-pressure ignitor 114, and the adjustable isolating high-pressure ignitor 114 is equipped with ignitor 116, the pipe gallery mould
Type one end connects ignitor 116, other end connection gas mixing allocating system.
The gas mixing allocating system is divided into air distribution system and air exchange system, and wherein air distribution system includes vacuum pump 141
With gas mixing bottle 143, air exchange system includes air compressor 131；The digital image acquisition control system includes sensor
Unit, high-speed motion picture camera 115, high-frequency data Acquisition Instrument 113, isochronous controller 112 and display server 111；The sensor
Unit includes temperature sensor 119, pressure sensor 117 and the strain gauge 118 on pipe gallery model inner wall, temperature
Sensor 119 and pressure sensor 117 are spent to measure the data such as the flame temperature of bulkhead, blast pressure, strain gauge 118
To measure influence of the explosion wave to bulkhead.High-frequency data Acquisition Instrument 113 respectively with sensor unit and isochronous controller
112 be connected, display server 111 is connected with isochronous controller 112, isochronous controller 112 also respectively with adjustable isolating high-pressure ignitor
114th, high-speed motion picture camera 115 and external computer are connected.The data that sensor unit is collected into are carried out by high-frequency data Acquisition Instrument 113
Collection, isochronous controller 112, which is realized, controls whole digital image acquisition control system and the synchronous of adjustable isolating high-pressure ignitor 114
System.
When only measuring the impact failure influence of fuel gas buring, explosion on this cabin, since combustion gas cabin is high-risk for fuel gas
Tube cabin, therefore pipe gallery modelling is combustion gas cabin, further enriches the form of the barrier set in cabin, it is more met
Practical Project environment.
As shown in Figures 2 and 3, combustion gas cabin is internally provided with fire resistant doorsets 127, gas pipeline support column 126 and positioned at Gas Pipe
Simulation gas pipeline 124 on road support column, further includes the cable trough 125 of the right side in combustion gas cabin, fire extinguishing box 128, connects
Ground pipeline 129, distribution box 1210 and pressure release ventilating opening 123.
As shown in figure 4, when integrally measuring fuel gas buring, exploding on this cabin and facing the impact failure influence in cabin, in combustion gas
On the basis of cabin 1, water supply and communication module 2, electric compartment 3 and sewage tube cabin 4 are added.But in practical applications can be according to actual need
Tube cabin, or the parallel combination mode of adjustment tube cabin are automatically increased or decreased, causes calamity pattern and secondary Derived Hazard to drill to probe into coupling
Law.The sewage tube cabin 4 is internally provided with sewage pipe 41 and spare regeneration water pipe 42.The water supply communication module 2 includes feedwater
Pipeline 21, heat distribution pipeline 22 and the communications cable 23.Electric power cable 31 is equipped with the electric compartment 3.
The combustion gas cabin 1, supply water and communication module 2, electric compartment 3 and sewage tube cabin 4 be square cavate nacelle, that is, keep with
Actual environment is consistent.And the nacelle both ends in the combustion gas cabin 1, water supply and communication module 2, electric compartment 3 and sewage tube cabin 4 are respectively equipped with
Flange 121, realizes the closing to each tube cabin.
One embodiment of the invention is described in detail above, but the content is only the invention
Preferred embodiment, it is impossible to be construed as limiting the practical range of the invention.It is all to be made according to the invention application range
All the changes and improvements etc., shall remain within the patent scope covered by the invention.
Claims (8)
1. gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin, including pipe gallery model, gas
Mix allocating system, ignition system and digital image acquisition control system, it is characterised in that：Described pipe gallery model one end with
Ignition system is connected, and the other end is connected with gas mixing allocating system；The gas mixing allocating system be divided into air distribution system and
Air exchange system, wherein air distribution system include vacuum pump and gas mixing bottle, and air exchange system includes air compressor；The datagram
As acquisition control system includes sensor unit, high-speed motion picture camera, high-frequency data Acquisition Instrument, isochronous controller and display service
Device；Sensor unit is located inside pipe gallery model, high-frequency data Acquisition Instrument respectively with sensor unit and isochronous controller
Be connected, display server is connected with isochronous controller, isochronous controller also respectively with ignition system, high-speed motion picture camera and external electrical
Brain is connected.
2. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 1
It is：Temperature sensor, pressure sensor and the stress that the sensor unit is included on pipe gallery model inner wall pass
Sensor.
3. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 1
It is：The ignition system is adjustable isolating high-pressure ignitor, and the adjustable isolating high-pressure ignitor is equipped with ignitor, the pipe gallery
Model one end connects ignitor, other end connection gas mixing allocating system.
4. according to the simulated experiment of gas combustion explosion fills in any Urban Underground pipe gallery cabin in claims 1 to 3
Put, it is characterised in that：The pipe gallery model includes combustion gas cabin, and the combustion gas cabin is internally provided with fire resistant doorsets, gas pipeline branch
Dagger and the simulation gas pipeline on gas pipeline support column, further include the cable trough positioned at combustion gas cabin right side, fire extinguishing
Case, ground conduit, distribution box and pressure release ventilating opening.
5. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 4
It is：The pipe gallery model further includes sewage tube cabin, and the sewage tube cabin is arranged in parallel with the combustion gas cabin, the sewage
Tube cabin is internally provided with sewage pipe and spare regeneration water pipe.
6. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 5
It is：The pipe gallery model further includes water supply and communication module, and combustion gas cabin, water supply and the communication module and sewage tube cabin are successively
It is arranged in parallel, the water supply and communication module include feedwater piping, heat distribution pipeline and the communications cable.
7. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 6
It is：The pipe gallery model further includes electric compartment, combustion gas cabin, water supply and the communication module, electric compartment and sewage tube cabin according to
It is secondary to be arranged in parallel, it is equipped with electric power cable in the electric compartment.
8. gas combustion explosion analogue experiment installation, its feature in Urban Underground pipe gallery cabin according to claim 7
It is：Combustion gas cabin, water supply and the communication module, electric compartment and sewage tube cabin are square cavate nacelle, and the combustion gas cabin, are supplied
The nacelle both ends of water and communication module, electric compartment and sewage tube cabin are respectively equipped with flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069317.9A CN108037026A (en) | 2018-01-24 | 2018-01-24 | Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810069317.9A CN108037026A (en) | 2018-01-24 | 2018-01-24 | Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108037026A true CN108037026A (en) | 2018-05-15 |
Family
ID=62096686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810069317.9A Pending CN108037026A (en) | 2018-01-24 | 2018-01-24 | Gas combustion explosion analogue experiment installation in a kind of Urban Underground pipe gallery cabin |
Country Status (1)
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Cited By (7)
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|---|---|---|---|---|
| CN109557134A (en) * | 2019-01-21 | 2019-04-02 | 中国矿业大学(北京) | A kind of pipe gallery combustion gas cabin is every datonation-inhibition experimental provision |
| CN109556805A (en) * | 2019-01-21 | 2019-04-02 | 中国矿业大学(北京) | A kind of pipe gallery gas leakage diffusion experiment device |
| CN109635380A (en) * | 2018-11-27 | 2019-04-16 | 华南理工大学 | A kind of piping lane electric compartment fire barriers and current-carrying capacity of cable quantitative relationship determine method |
| CN111257022A (en) * | 2020-01-16 | 2020-06-09 | 中国人民解放军陆军工程大学 | Gas explosion simulation test device and system in underground comprehensive pipe gallery space |
| CN111398513A (en) * | 2020-04-02 | 2020-07-10 | 中国矿业大学 | Device and method for detecting single-particle combustion process with high image resolution |
| CN112129812A (en) * | 2019-11-01 | 2020-12-25 | 合肥工业大学 | Experimental device for simulating explosion pressure relief of skid-mounted hydrogenation station |
| CN112798291A (en) * | 2019-11-13 | 2021-05-14 | 清华大学 | Hydrogen leakage simulation system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109635380A (en) * | 2018-11-27 | 2019-04-16 | 华南理工大学 | A kind of piping lane electric compartment fire barriers and current-carrying capacity of cable quantitative relationship determine method |
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| CN109556805A (en) * | 2019-01-21 | 2019-04-02 | 中国矿业大学(北京) | A kind of pipe gallery gas leakage diffusion experiment device |
| CN112129812A (en) * | 2019-11-01 | 2020-12-25 | 合肥工业大学 | Experimental device for simulating explosion pressure relief of skid-mounted hydrogenation station |
| CN112129812B (en) * | 2019-11-01 | 2024-04-16 | 合肥工业大学 | Experimental device for simulation sled dress formula hydrogenation station explosion pressure release |
| CN112798291A (en) * | 2019-11-13 | 2021-05-14 | 清华大学 | Hydrogen leakage simulation system and method |
| CN111257022A (en) * | 2020-01-16 | 2020-06-09 | 中国人民解放军陆军工程大学 | Gas explosion simulation test device and system in underground comprehensive pipe gallery space |
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| CN111398513A (en) * | 2020-04-02 | 2020-07-10 | 中国矿业大学 | Device and method for detecting single-particle combustion process with high image resolution |
| CN111398513B (en) * | 2020-04-02 | 2021-11-05 | 中国矿业大学 | Device and method for detecting single-particle combustion process with high image resolution |
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