CN109752409A - A kind of flammable gas explosion propagation law simulation test device - Google Patents
A kind of flammable gas explosion propagation law simulation test device Download PDFInfo
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- CN109752409A CN109752409A CN201910008071.9A CN201910008071A CN109752409A CN 109752409 A CN109752409 A CN 109752409A CN 201910008071 A CN201910008071 A CN 201910008071A CN 109752409 A CN109752409 A CN 109752409A
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- segment pipe
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Abstract
The invention belongs to the technical fields that flammable gas explosion propagates simulation, and in particular to a kind of flammable gas explosion propagation imitative experimental appliance.A kind of flammable gas explosion propagation law simulation test device, experiment steel pipe including having several transparent windows, the steel pipe includes at least one section of inflation segment pipe, multistage observation segment pipe and pressure release segment pipe, the steel pipe is fixed on bracket, is connected and sealed between the inflation segment pipe, observation segment pipe and pressure release segment pipe adjacent segment by sealing flange.The imitative experimental appliance can realize the real-time monitoring of temperature change in blast process, pressure change, spread speed, provide foundation for effective evaluation explosion scale, research explosion rule, raising rescue efficiency.
Description
Technical field
The invention belongs to the technical fields that flammable gas explosion propagates simulation, and in particular to a kind of flammable gas explosion propagation
Imitative experimental appliance.
Background technique
Natural gas, liquefied petroleum gas used in industrial production and life etc. belongs to fuel gas, and fuel gas uses
Get up cleaning, conveniently, is generally applied in industrial production and family life.But meanwhile fire risk is also increasingly aobvious
It is existing.Flammable gas explosion is caused because gas leaks in production and living, it is serious to can lead to lives and properties damage.Cause combustible gas
The reason of body explosion accident, majority was all to encounter open fire and the gas burst that occurs because gas leakage is not found in time.Separately
Outside, combustible dust encounters heat source (open fire or high temperature) within the scope of explosion limit, and flame moment propagates in entire mixed dust
Space, chemical reaction velocity are exceedingly fast, while discharging a large amount of heat, form very high temperature and very big pressure, the energy of system
It is converted into the radiation of mechanical energy and light and heat, equally there is very strong explosive damage power.
In fire rescue, it is usually associated with the leakage and explosion of gas, dust, therefore, it is necessary to targetedly carry out gas
Body explosion law study, improves rescue level and safety.By establishing transparent pipeline gas, dust explosion experimental rig, mould
Quasi- imflammable gas, the pipeline burning of dust generation, explosion phenomenon, after the danger for making enterprise staff physical experience fire explosion
Fruit improves Employee Security consciousness；Meanwhile it can propose the safety measure of prevention and treatment fire explosion danger by test, improve petroleum
Work enterprise production safety is horizontal.
Summary of the invention
It is an object of the invention to provide a kind of flammable gas explosion propagation simulation aiming at the problems existing in the prior art
Experimental provision, the imitative experimental appliance can realize the real-time monitoring of temperature change in blast process, pressure change, spread speed,
Foundation is provided for effective evaluation explosion scale, research explosion rule, raising rescue efficiency.
The technical scheme is that
A kind of flammable gas explosion propagation law simulation test device, the experiment steel including having several transparent windows
Pipeline, it is solid which includes at least one section of inflation segment pipe, multistage observation segment pipe and pressure release segment pipe, the steel pipe
It is fixed to be arranged on bracket, pass through sealing flange between the inflation segment pipe, observation segment pipe and pressure release segment pipe adjacent segment
It is connected and sealed.
Described inflation segment pipe one end is sealed with end socket, and the other end is connect by sealing flange with observation segment pipe, institute
It is provided with inflating port close to one upper side of end socket on the inflation segment pipe stated, is provided with igniting storehouse, igniting storehouse close to one side-lower of end socket
It is connect by pipeline with ignition system, the inflating port is connect by gas tube with air supply system, on the inflation segment pipe
It is uniformly distributed several transparent windows, being fixedly installed with below each transparent windows can be in captured in real-time blast process
The camera system of scene inside pipeline.
Described observation segment pipe one end by sealing flange with inflate segment pipe connect, the other end by with sealing flange
Identical flange is connect with another pipeline identical with observation segment pipe, or is directly connect with pressure release segment pipe, described
It is uniformly distributed several transparent windows on observation segment pipe, is fixedly installed with and can clap in real time below each transparent windows
Take the photograph the camera system of the scene in blast process inside pipeline.
Described pressure release segment pipe one end by flange identical with sealing flange and observation segment pipe connect, the other end by
Relief valve seals, several transparent windows, each transparent windows lower section are uniformly distributed on the pressure release segment pipe
Be fixedly installed with can scene in captured in real-time blast process inside pipeline camera system.
The inflation segment pipe top is fixedly installed with several pressure sensors, and the viewing section conduit upper is solid
Dingan County is equipped with several pressure sensors, and the pressure release segment pipe top is fixedly installed with several pressure sensors, adjacent
Pressure sensor between spacing be 200mm~2000mm.
The inflation segment pipe bottom is equipped with several temperature sensors, and the viewing section duct bottom is equipped with
Several temperature sensors, the pressure release segment pipe bottom are equipped with several temperature sensors, adjacent temperature sensor
Between spacing be 200mm~2000mm.
The imitative experimental appliance further includes having control system platform, and the air supply system, ignition system, pressure pass
Sensor, temperature sensor, camera system and relief valve are connect with control system platform respectively.
Specifically, spacing is 200mm~2000mm between adjacent transparent windows, the transparent windows 3 are by melting
Fused silica is made, and the seamless connection between pipeline.
Specifically, the observation segment pipe is identical as the inflation caliber of segment pipe.
Specifically, the relief valve is connect by relief tube with pressure retaining valve.
Specifically, the air supply system includes multiple mixing booster pumps, multiple booster pumps can be realized multicomponent gas
Mixing compression.
Specifically, the relief valve, is connect by relief tube with pressure retaining valve.
Specifically, control system platform includes data-storage system, the pressure sensor, temperature sensor, camera shooting
System connect the real-time acquisition for realizing data by conducting wire with data-storage system.
The beneficial effects of the present invention are: the detonation propagation rule imitative experimental appliance, is formed using several segments steel pipe
Test section simulates the work of industrial pipeline by providing the mixing combustible medium of required pressure, temperature, component for test section
Condition, and pass through the scene changes of data collection system and camera system implementation record blast process, it can be used as inflammable and explosive medium
Industrial pipeline explosion law study device and rescue training device.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
1 inflation segment pipe, 2 end sockets, 3 transparent windows, 4 sealing flanges, 5 inflating ports, 6 air supply systems, 7 gas tubes, 8 controls
System platform processed, 9 data-storage systems, 10 ignition systems, 11 brackets, 12 pressure sensors, 13 observation segment pipes, 14 temperature pass
Sensor, 15, camera system, 16 relief valves, 17 relief tubes, 18 pressure retaining valves, 19 igniting storehouses, 20 pressure release segment pipes.
Specific embodiment
A kind of structural schematic diagram of flammable gas explosion propagation law simulation test device as shown in Figure 1, if including having
The experiment steel pipe of dry transparent windows 3, which includes at least one section of inflation segment pipe 1, multistage observes segment pipe
13 and pressure release segment pipe 20, the steel pipe be fixed on bracket 11, the inflation segment pipe 1, observation segment pipe 13
It is connected and sealed between 20 adjacent segment of pressure release segment pipe by sealing flange 4.
Described 1 one end of inflation segment pipe is sealed with end socket 2, and the other end is connected by sealing flange 4 and observation segment pipe 13
It connects, is provided with inflating port 5 close to 2 one upper side of end socket on the inflation segment pipe 1, be provided with igniting close to 2 one side-lower of end socket
Storehouse 19, igniting storehouse 19 are connect by pipeline with ignition system 10, and the inflating port 5 is connect by gas tube 7 with air supply system 6,
The air supply system 6 includes multiple mixing booster pumps, and multiple booster pumps can be realized the mixing compression of multicomponent gas, multiple
Booster pump is separately mounted at different fuel gas conveyance conduit nozzles, and different fuel gas are released and are sent into gas tube 7.
Several transparent windows 3 are uniformly distributed on the inflation segment pipe 1, spacing is 200mm between adjacent transparent windows 3
~2000mm, the transparent windows 3 are made of vitreous silica, and the seamless connection between pipeline, described each saturating
Be fixedly installed with below bright observation window 3 can scene in captured in real-time blast process inside pipeline camera system 15.Described
Inflation 1 top of segment pipe be fixedly installed with several pressure sensors 12, between adjacent pressure sensor spacing be 200mm~
2000mm.1 bottom of inflation segment pipe is equipped with several temperature sensors 14, between adjacent temperature sensor 14 between
Away from for 200mm~2000mm.
Described 13 one end of observation segment pipe by sealing flange 4 with inflate segment pipe 1 connect, the other end by with sealing
The identical flange of flange 4 is connect with another pipeline identical with observation segment pipe 13, or is directly connected with pressure release segment pipe 20
It connects, the observation segment pipe 13 is identical as the inflation caliber of segment pipe 1.It is uniformly distributed on the observation segment pipe 13 several
A transparent windows 3, spacing is 200mm~2000mm between adjacent transparent windows 3, and the transparent windows 3 are by melting
Fused silica is made, and the seamless connection between pipeline, is fixedly installed with and can clap in real time below each transparent windows 3
Take the photograph the camera system 15 of the scene in blast process inside pipeline.13 top of observation segment pipe is fixedly installed with several
Pressure sensor 12, spacing is 200mm~2000mm between adjacent pressure sensor.13 bottom of the observation segment pipe peace
Equipped with several temperature sensors 14, spacing is 200mm~2000mm between adjacent temperature sensor 14.
Described 20 one end of pressure release segment pipe with the identical flange of sealing flange 4 and observation segment pipe 13 by connecting, separately
One end is sealed by relief valve 16, and the relief valve 16 is connect by relief tube 17 with pressure retaining valve 18.The pressure release segment pipe
Several transparent windows 3 are uniformly distributed on 20, spacing is 200mm~2000mm between adjacent transparent windows 3, described
Transparent windows 3 are made of vitreous silica, and the seamless connection between pipeline, solid below each transparent windows 3
Dingan County equipped with can scene in captured in real-time blast process inside pipeline camera system 15.20 top of pressure release segment pipe
Several pressure sensors 12 are fixedly installed with, spacing is 200mm~2000mm between adjacent pressure sensor.Described lets out
Pressure 20 bottom of segment pipe several temperature sensors 14 are installed, between adjacent temperature sensor 14 spacing be 200mm~
2000mm。
The imitative experimental appliance further includes having control system platform 8, and control system platform 8 includes data-storage system
9, the air supply system 6, ignition system 10 and relief valve 16 are connect with control system platform 8 respectively, the pressure sensing
Device 12, temperature sensor 14, camera system 15 connect the real-time acquisition for realizing data by conducting wire with data-storage system 9.
The process of simulated experiment is carried out such as using flammable gas explosion propagation law simulation test device provided by the invention
Under:
Firstly, air supply system 7 is opened, it is by inflating port 5 that fuel gas is defeated by fuel gas conveying such as in gas tube 7
Be sent into steel pipe different sections, pressure sensor 12, temperature sensor 14, camera system 15 real time monitoring inflation segment pipe 1,
Observe segment pipe 13 and pressure, temperature conditions and inner case in pressure release segment pipe 20；
Then, after pressure reaches certain numerical value, open ignition system 10, ignition system 10 light in igniting storehouse 9 can
Combustion gas body, 9 moment of igniting storehouse ignite the fuel gas in steel pipe；Pressure sensor 12, temperature sensor 14, camera system
15 real time monitoring inflation segment pipes 1, observation segment pipe 13 and pressure, temperature conditions and inner case in pressure release segment pipe 20,
Record entire fire when starting, when the intensity of a fire is most prosperous, at the end of pressure, temperature conditions, and monitored by camera system 15
Pipeline inner case,；
Finally, stopping air supply system after record is completed, open relief valve 16 and carry out pressure release deflation, until inside pipeline
Do not have flare and pressure it is normal until.
Experimental provision provided by the invention is by providing flammable Jie of mixing of required pressure, temperature, component for test section
Matter simulates the operating condition of industrial pipeline, and passes through the scene changes of data collection system and camera system implementation record blast process,
It can be used as inflammable and explosive media industry pipe explosion law study device and rescue training device
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of flammable gas explosion propagation law simulation test device, the experiment steel including having several transparent windows 3
Pipeline, the steel pipe include at least one section of inflation segment pipe (1), multistage observation segment pipe (13) and pressure release segment pipe (20),
The steel pipe is fixed on bracket (11), the inflation segment pipe (1), observation segment pipe (13) and pressure release segment pipe
(20) it is connected and sealed between adjacent segment by sealing flange (4), which is characterized in that
Described inflation segment pipe (1) one end is sealed with end socket (2), and the other end passes through sealing flange (4) and observation segment pipe
(13) it connects, is provided with inflating port (5) close to (2) one upper side of end socket on the inflation segment pipe (1), close to end socket (2) one
Side-lower is provided with igniting storehouse (19), and igniting storehouse (19) is connect by pipeline with ignition system (10), and the inflating port (5) is by filling
Tracheae (7) is connect with air supply system (6), several transparent windows (3), institute are uniformly distributed on the inflation segment pipe (1)
State be fixedly installed with below each transparent windows (3) can scene in captured in real-time blast process inside pipeline camera system
(15)；
Described observation segment pipe (13) one end by sealing flange (4) with inflate segment pipe (1) connect, the other end by with it is close
Envelope flange (4) identical flange and another pipeline identical with observation segment pipe (13) are connect, or directly with pressure release section pipe
Road (20) connects, and is uniformly distributed several transparent windows (3), each transparent observing on the observation segment pipe (13)
Be fixedly installed with below window (3) can scene in captured in real-time blast process inside pipeline camera system (15)；
Described pressure release segment pipe (20) one end is connect by flange identical with sealing flange (4) and observation segment pipe (13),
The other end is sealed by relief valve (16), is uniformly distributed several transparent windows (3) on the pressure release segment pipe (20), described
Be fixedly installed with below each transparent windows (3) can scene in captured in real-time blast process inside pipeline camera system
(15)；
Described inflation segment pipe (1) top is fixedly installed with several pressure sensors (12), the observation segment pipe
(13) top is fixedly installed with several pressure sensors (12), and described pressure release segment pipe (20) top is fixedly installed with several
A pressure sensor (12), spacing is 200mm~2000mm between adjacent pressure sensor；
Described inflation segment pipe (1) bottom is equipped with several temperature sensors (14), described observation segment pipe (13) bottom
Portion is equipped with several temperature sensors (14), and described pressure release segment pipe (20) bottom is equipped with several temperature sensors
(14), spacing is 200mm~2000mm between adjacent temperature sensor (14)；
The imitative experimental appliance further includes having control system platform (8), the air supply system (6), ignition system (10),
Pressure sensor 12, temperature sensor 14, camera system (15) and relief valve (16) are connect with control system platform (8) respectively.
2. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that adjacent is transparent
Spacing is 200mm~2000mm between observation window (3), and the transparent windows (3) are made of vitreous silica, and and pipeline
Between seamless connection.
3. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that the observation
Segment pipe (13) is identical as the inflation caliber of segment pipe (1).
4. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that the pressure release
Valve (16) is connect by relief tube (17) with pressure retaining valve (18).
5. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that the gas supply
System (6) includes multiple mixing booster pumps, and multiple booster pumps can be realized the mixing compression of multicomponent gas.
6. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that the pressure release
Valve (16) is connect by relief tube (17) with pressure retaining valve (18).
7. flammable gas explosion propagation law simulation test device according to claim 1, which is characterized in that control system is flat
Platform (8) includes data-storage system (9), and the pressure sensor (12), temperature sensor (14), camera system (15) pass through
Conducting wire connect the real-time acquisition for realizing data with data-storage system (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008071.9A CN109752409A (en) | 2019-01-04 | 2019-01-04 | A kind of flammable gas explosion propagation law simulation test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008071.9A CN109752409A (en) | 2019-01-04 | 2019-01-04 | A kind of flammable gas explosion propagation law simulation test device |
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| Publication Number | Publication Date |
|---|---|
| CN109752409A true CN109752409A (en) | 2019-05-14 |
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ID=66405351
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910008071.9A Pending CN109752409A (en) | 2019-01-04 | 2019-01-04 | A kind of flammable gas explosion propagation law simulation test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN113533431A (en) * | 2021-07-26 | 2021-10-22 | 中国人民警察大学 | Gas explosion and explosion suppression experimental device and experimental method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201413302Y (en) * | 2009-06-10 | 2010-02-24 | 西安科技大学 | Test device for explosion, propagation and explosion suppressed property of inflammable gas and dust |
| CN103424531A (en) * | 2013-01-10 | 2013-12-04 | 中国矿业大学(北京) | Explosion simulation and explosion suppression experimental device for combustible gases |
| CN107121453A (en) * | 2017-05-25 | 2017-09-01 | 西安科技大学 | It is applicable the gas, dust explosion and datonation-inhibition experimental system of a variety of optical diagnostic methods |
-
2019
- 2019-01-04 CN CN201910008071.9A patent/CN109752409A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201413302Y (en) * | 2009-06-10 | 2010-02-24 | 西安科技大学 | Test device for explosion, propagation and explosion suppressed property of inflammable gas and dust |
| CN103424531A (en) * | 2013-01-10 | 2013-12-04 | 中国矿业大学(北京) | Explosion simulation and explosion suppression experimental device for combustible gases |
| CN107121453A (en) * | 2017-05-25 | 2017-09-01 | 西安科技大学 | It is applicable the gas, dust explosion and datonation-inhibition experimental system of a variety of optical diagnostic methods |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111257022B (en) * | 2020-01-16 | 2022-05-10 | 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 |
| CN113533431A (en) * | 2021-07-26 | 2021-10-22 | 中国人民警察大学 | Gas explosion and explosion suppression experimental device and experimental method thereof |
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Application publication date: 20190514 |