CN104990958B - It is a kind of to connect the multiple datonation-inhibition experimental provision of container and test system - Google Patents
It is a kind of to connect the multiple datonation-inhibition experimental provision of container and test system Download PDFInfo
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- CN104990958B CN104990958B CN201510435682.3A CN201510435682A CN104990958B CN 104990958 B CN104990958 B CN 104990958B CN 201510435682 A CN201510435682 A CN 201510435682A CN 104990958 B CN104990958 B CN 104990958B
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- 238000012360 testing method Methods 0.000 title claims abstract description 103
- 230000007704 transition Effects 0.000 claims abstract description 20
- 239000011148 porous material Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims abstract description 15
- 238000012856 packing Methods 0.000 claims abstract description 3
- 238000009826 distribution Methods 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 239000005304 optical glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 12
- 230000001629 suppression Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 32
- 238000010586 diagram Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000003032 molecular docking Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 230000002706 hydrostatic effect Effects 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Abstract
The invention discloses a kind of connection multiple datonation-inhibition test device of container, including datonation-inhibition pipeline, the first test pipeline, the second test pipeline and flange face transition duct；First test pipeline, datonation-inhibition pipeline, the second test pipeline and flange face transition duct are sequentially connected；Datonation-inhibition pipeline is made of two sections of pipe pipelines and one section of square tube pipeline, and square tube pipeline is placed among two sections of pipe pipelines, and glass window is embedded in square tube pipeline side；Porous material is filled in datonation-inhibition pipeline and forms packing layer；Respectively silk screen is clamped in datonation-inhibition pipeline and the first test pipeline, the junction of the second test pipeline.The invention also discloses a kind of multiple datonation-inhibition effect test systems of connection container.The present invention is rational in infrastructure, it is easy to operate, it is realized by screen net structure and porous structure multiple datonation-inhibition, effectiveness of explosion suppression is analyzed by pressure transmitter and the collected data of flame sensor, and high-speed photography can be carried out through glass window to analyze effectiveness of explosion suppression with high-speed camera instrument.
Description
Technical field
The multiple datonation-inhibition experimental provision of container and the datonation-inhibition survey using the datonation-inhibition experimental provision are connected the present invention relates to a kind of
Test system again can more specifically to a kind of effectiveness of explosion suppression that connection container conduit can not only be observed by K9 optical glass
The multiple datonation-inhibition test system of gas of effectiveness of explosion suppression is enough tested by pressure transmitter and flame sensor.
Background technology
In chemical industry and petrochemical production process, imflammable gas is used widely, since pipeline has cost
Therefore the features such as cheap, simple for process, in most cases, can be stored or defeated using closed container or pipeline
It send.Due to the effect of suffering restraints, gas burst can generate higher pressure and rate of pressure rise, so that causing casualties
And property loss.And in the apparatus system being connect in container with pipeline, due to pressure accumulated effect and subsequent explosion, container conduit
The consequence of system gas explosion accident is more serious, can frequently result in catastrophic consequence.Therefore, inhibit blast wave in the duct
Propagation have great importance.
At present, both at home and abroad for pipeline silk screen is datonation-inhibition and porous material is datonation-inhibition has certain research, but study more single
One, and it is restricted larger.Dalian University of Technology's analogy is strong good et al. to have studied multi-layer silk screen structure to Methane/air gaseous mixture
The inhibiting effect of body, acetylene/air gas mixture and propane/air gas mixture combustion explosion；Tokyo polytechnical university
Northern English light, Tianjin Tian Jian et al. have done systematic research to the extinguishing performance of multi-layer silk screen structure；China Science ＆ Technology University
Professor Guo Changming has studied effect of the stephanoporate steel plate material to absorbing shear wave, weakening detonation wave；Italian Naples is second largest
The Mare and Mihalik of Canadian McGill University by test and the means of numerical simulation to have studied porous material hollow
The combustion limits of gas/hydrocarbon mixed gas.However these researchs are only datonation-inhibition under the effect of single explosion-suppressing material grinds
Study carefully, but rare research is acted on simultaneously for silk screen and porous material.
Invention content
The purpose of the present invention is intended to act on simultaneously with reference to two kinds of explosion-suppressing materials, provides a kind of connection multiple datonation-inhibition experiment of container
Device and the datonation-inhibition test system using the datonation-inhibition experimental provision, the experimental provision can pass through flanged joint in laboratory
Container carries out the test of effectiveness of explosion suppression, and can directly apply to the datonation-inhibition of industrial pipeline and test by assembling.
Technical scheme is as follows：
A kind of connection multiple datonation-inhibition experimental provision of container, it is characterised in that its structure includes four segment pipes, is datonation-inhibition respectively
Pipeline 13, first tests pipeline 11, second and tests pipeline 15 and flange face transition duct 16；Described first test pipeline 11,
Datonation-inhibition pipeline 13, second tests pipeline 15 and flange face transition duct 16 is sequentially connected；The datonation-inhibition pipeline 13 is by two sections of circles
Pipeline 132 and one section of square tube pipeline 131 form, and the square tube pipeline 131 is placed among two sections of pipe pipelines 132, in institute
131 side of square tube pipeline stated is embedded with glass window 30；Filling porous material forms filler in the datonation-inhibition pipeline 13
Layer；The junction clamping silk screen for testing pipeline 15 in datonation-inhibition pipeline 13 and first test pipeline 11, second respectively is more for fixation
Porous materials.
The datonation-inhibition pipeline 13 is provided at both ends with blind flange installing port, the datonation-inhibition pipeline 13 and first test pipeline
11 flange face docking, datonation-inhibition pipeline 13 are docked with the flange face of the second test pipeline 15, the second test pipeline 15 and flange face
The flange face docking of transition duct 16.Datonation-inhibition pipeline 13 and first tests the connection punishment of pipeline 11 and second of test pipeline 15
It can not be used for clamping silk screen.
The upside of the first test pipeline 11 is equipped with first pressure transmitter interface 12 for connecting pressure transmitter,
The downside of first test pipeline 11 is equipped with the first flame sensor interface 27 for connecting flame sensor；Second test
The upside of pipeline 15 is equipped with second pressure transmitter interface 14 for connecting pressure transmitter, and 15 downside of the second test pipeline is equipped with the
Two flame sensor interfaces 26 are used to connect flame sensor.
Preferably, the first pressure transmitter interface 12, the first flame sensor interface 27 are separately positioned on first
Test the upper and lower side of 11 middle of pipeline；The second pressure transmitter interface 14, the second flame sensor interface 26 are distinguished
It is arranged on the upper and lower side of 15 middle of the second test pipeline.
The both ends of the square tube pipeline 131 of the datonation-inhibition pipeline 13 preferably pass through welding with two sections of pipe pipelines 132 respectively
Form is docked.Two sections of pipe pipelines 132 are identical, internal diameter 59mm, length 0.1m；The square tube pipeline 131 is cut
Face is 59 × 59mm, length 0.8m.The total length of the datonation-inhibition pipeline 13 is 1m.
A length of 0.6m of the glass window 30, width 50mm.The material of the glass window 30 is K9 light
Learn glass.
It is the round tube that internal diameter is 59mm, length is 0.5m that the first test pipeline 11 and second, which tests pipeline 15,
Road.
The internal diameter of the flange face transition duct 16 is 59mm, length 324mm.
The porous material generally selects coaly activated carbon.
The silk screen generally selects stainless steel cloth.
It is a further object to provide a kind of connection multiple datonation-inhibition test systems of container, including experimental provision, match
Device of air, igniter, data acquisition and processing system；The air distributing device include gas bomb, distributing instrument, distribution tank,
Transfer pipeline；The gas outlet of the gas bomb is connected through the air inlet of transfer pipeline and distributing instrument, the gas outlet of distributing instrument
It is connected through transfer pipeline with the air inlet of distribution tank.The connection relation of gas bomb, distributing instrument and distribution tank is in air distributing device
Well known to a person skilled in the art the gas bomb of storage fuel gas (such as methane) and air is respectively through transfer pipeline to distribution
Instrument inputs gas, and the mixture of certain density fuel gas and air is configured in distributing instrument, and admixture of gas is re-filled with
Then distribution tank vacuumizes experimental provision, finally gas in distribution tank is filled in test system.
The distributing instrument uses SY9506 type distributing instruments.
The igniter includes roundlet cylindrical container 7, large cylindrical container 19, sparker, spark plug, leads
Line；Wherein, for igniting place occurs for roundlet cylindrical container 7 and large cylindrical container 19；Sparker, fire in igniter
The connection relation of Hua Sai and conducting wire is well known to those skilled in the art, using sparker and the industrial gas of spark plug simulation
Body explosion weak ignition situation, ignition energy can be adjusted and be controlled；The first small column of one end of the roundlet cylindrical container 7
Describe that device take over 10 connect with the first test pipeline 11 of experimental provision；The top of the roundlet cylindrical container 7 is equipped with first
Igniter interface 8 is connected with sparker, and the bottom first of roundlet cylindrical container 7 supports shell ring 2 to be fixed on the first bottom
On plate 1；The first large cylindrical container take over 25 of one end of the large cylindrical container 19 turns with the flange face of experimental provision
Pipeline 16 is changed to connect；The top of the large cylindrical container 19 is equipped with lifting lug 18, and the lower part of large cylindrical 19 side of container is set
There is second igniter interface 21 to be connected with sparker, the bottom second of large cylindrical container 19 supports shell ring 22 to fix
On the second bottom plate 23, the side wall of the large cylindrical container 19 is connect equipped with air inlet/outlet 29 with the gas outlet of distribution tank.
Preferably, the other end of the roundlet cylindrical container 7 is equipped with the second roundlet cylindrical container take over 3, described
First roundlet cylindrical container take over 10 is equipped with blind flange 4, and the blind flange 4 is described through nut 5 and stud 6 with the second small column
Device take over 3 is fixedly connected.Third pressure transmitter interface 9 is equipped in the upside of the first roundlet cylindrical container take over 10,
Downside is equipped with third flame sensor interface 28.As the improvement project of roundlet cylindrical container 7, can also only be described in small column
One end of device 7 is equipped with the first roundlet cylindrical container take over 10 and is used to connect with the first test pipeline 11 of experimental provision, the other end
Directly closing is not open.The third pressure transmitter interface 9 and third flame sensor interface 28 are spare test mouth, are adopted
It is closed with silk plug.
Preferably, one end of the large cylindrical container 19 is equipped with second largest nozzle in cylindrical vessels 20, described
First large cylindrical container take over 25 is equipped with blind flange, and the blind flange connects through nut and stud with second largest hydrostatic column
Pipe 20 is fixedly connected.The 4th pressure transmitter interface 17 is equipped in the upside of the second largest nozzle in cylindrical vessels 25, under
Side is equipped with the 4th flame sensor interface 24.It, can also be only in large cylindrical appearance as the improvement project of large cylindrical container 19
One end of device 19 is equipped with the first large cylindrical container take over 25 for being connect with the flange face transition duct 16 of experimental provision, another
End directly closing is not open.The 4th pressure transmitter interface 17 and the 4th flame sensor interface 24 are spare test
Mouthful, it is closed using silk plug.
Preferably, the side wall of the roundlet cylindrical container 7 is additionally provided with air inlet/outlet, and air inlet/outlet is both used to fill with distribution
The distribution tank connection inflation put, can also realize deflation function.
The internal diameter of the roundlet cylindrical container 7 is 309mm, is highly 315mm；The large cylindrical container 19 it is interior
Diameter is 532mm, length 520mm.
First bottom plate 1 and the second bottom plate 23 is fixed on ground by foundation bolt.
The data acquisition and processing system includes pressure transmitter, flame sensor, sensor connecting wire, leads to more
Track data Acquisition Instrument and data acquisition software；First pressure of the pressure transmitter through sensor connecting wire and experimental provision
Power transmitter interface 12, second pressure transmitter interface 14 connect, then acquisition blast pressure is connect with multi-Channels Data Acquisition
Data；First flame sensor interface 27, second fire of the flame sensor through sensor connecting wire and experimental provision
Flame sensor interface 26 connects, then acquisition flare up fire, the multi-channel data acquisition are connect with multi-Channels Data Acquisition
Instrument is connect with data acquisition software, and data acquisition software is analyzed and handled to data and signal.
The multi-Channels Data Acquisition uses JV5231 type multi-Channels Data Acquisitions, and maximum sample rate is
20MSa/s, resolution ratio 12bit, trueness error are less than 1.0%.The data acquisition software is general using SignalView
Signal analysis and processing software.The pressure transmitter uses CYG1401MF type pressure transmitters, measurement frequency 100kHz.
The flame sensor uses the flame sensor of photodiode type, response time 10-8S。
The multiple datonation-inhibition test system of the connection container includes 2 pressure transmitters and 2 flame sensors.2 pressures
First pressure transmitter interface 12, second pressure transmitter of the power transmitter respectively through sensor connecting wire and experimental provision connect
Mouth 14 connects；First flame sensor interface 27 of 2 flame sensors respectively through sensor connecting wire and experimental provision,
Two flame sensor interfaces 26 connect.
The in vitro experimental implementation of test system of the present invention：By distributing instrument prepare certain density fuel gas with
Air mixture is uniformly mixed it.Experimental provision is assembled, the full coaly activated carbon of filling in datonation-inhibition pipeline 13, in datonation-inhibition pipe
13 both ends flange connections clamping silk screen of road, and the igniter that has been linked and packed, air distributing device and data acquisition and processing system,
Experimental provision checks various parts by connecting to form datonation-inhibition container conduit system with two hydrostatic columns in igniter
Circuit, and ensure that connection is good, check datonation-inhibition container conduit system air-tightness.Then, negative pressure -0.006MPa is evacuated to,
Fuel gas and air mixture are filled with into datonation-inhibition container conduit system.Test system is debugged, each channel is made to be in work shape
State, waiting signal.Finally, it clears up except personnel to safe distance, igniting blasting gas, is exploded and pressed by pressure transmitter measurement
Power measures flare up fire, and signal is passed to multi-Channels Data Acquisition by flame sensor, carries out the acquisition of data, then
Data and signal are handled and analyzed by data acquisition software.
Beneficial effects of the present invention：
The present invention connection multiple datonation-inhibition experimental provision of container is rational in infrastructure, easy to operate, passes through screen net structure and porous knot
Structure acts on multiple datonation-inhibition to realize simultaneously；Datonation-inhibition pipeline is short and small, quick detachable, can not only use in the lab, can also after removing
Directly apply to commercial plant.
The experimental provision and air distributing device, igniter, data acquisition and processing system are formed into test system again, passed through
Pressure transmitter and the collected data of flame sensor analyze effectiveness of explosion suppression, and high-speed camera instrument can be used to penetrate glass
Glass observation window carries out high-speed photography to analyze effectiveness of explosion suppression.
Description of the drawings
Fig. 1 is a kind of structure diagram for connecting the multiple datonation-inhibition experimental provision of container.
Fig. 2 is a kind of test pipeline structure diagram for connecting the multiple datonation-inhibition experimental provision of container.
Fig. 3 is a kind of datonation-inhibition pipeline configuration schematic diagram for connecting the multiple datonation-inhibition experimental provision of container.
Fig. 4 is a kind of flange face transition duct structure diagram for connecting the multiple datonation-inhibition experimental provision of container.
Fig. 5 is the front that K9 optical glass side is inlayed in a kind of datonation-inhibition pipeline for connecting the multiple datonation-inhibition experimental provision of container
Structure diagram.
Fig. 6 is the transverse direction that K9 optical glass one sides are inlayed in a kind of datonation-inhibition pipeline for connecting the multiple datonation-inhibition experimental provision of container
Cross-sectional view.
Fig. 7 is a kind of structure diagram for the experimental provision and igniter for connecting the multiple datonation-inhibition test system of container.
Fig. 8 is a kind of large cylindrical container horizontal cross-section structure diagram for connecting the multiple datonation-inhibition test system of container.
In figure, the first bottom plates of 1-, 2- first supports shell ring, and 3- the second roundlet cylindrical containers are taken over, 4- blind flanges, 5- spiral shells
Cap, 6- studs, 7- roundlet cylindrical containers, the first igniter interfaces of 8-, 9- third pressure transmitter interfaces, the first small columns of 10-
Describe that device is taken over, the test pipelines of 11- first, 12- first pressure transmitter interfaces, the datonation-inhibition pipelines of 13-, 131- square tube pipelines,
132- pipe pipelines, 14- second pressure transmitter interfaces, 15- second test pipeline, 16- flange conversion surface pipelines, 17- the 4th
Pressure transmitter interface, 18- lifting lugs, the large cylindrical containers of 19-, the second largest nozzle in cylindrical vessels of 20-, 21- second igniters
Interface, the support shell rings of 22- second, the second bottom plates of 23-, the 4th flame sensor interfaces of 24-, the first large cylindrical containers of 25- connect
Pipe, 26- the second flame sensor interfaces, 27- the first flame sensor interfaces, 28- third flame sensor interfaces, 29- disengaging
Gas port, 30- glass windows.
Specific embodiment
Technical scheme of the present invention is further described in the following with reference to the drawings and specific embodiments.
As shown in figures 1 to 6, a kind of multiple datonation-inhibition experimental provision of connection container includes four sections of connecting pipes, is datonation-inhibition pipe respectively
Road 13, first tests pipeline 11, second and tests pipeline 15 and flange face transition duct 16；Described first tests pipeline 11, suppression
Pipeline 15 is tested in booster road 13, second and flange face transition duct 16 is sequentially connected；The datonation-inhibition pipeline 13 is by two sections of pipes
Pipeline 132 and one section of square tube pipeline 131 form, and the square tube pipeline 131 is placed among two sections of pipe pipelines 132, square tube pipe
It is docked respectively with two sections of pipe pipelines 132 by welding form at the both ends in road 131；It is embedded in 131 side of square tube pipeline
K9 optical glass forms glass window 30；Filling porous material forms packing layer in the datonation-inhibition pipeline 13；Exist respectively
Datonation-inhibition pipeline 13 and first tests pipeline 11, second and tests the junction clamping silk screen of pipeline 15 for fixing porous material；Institute
The upside of the first test pipeline 11 stated is equipped with first pressure transmitter interface 12 for connecting pressure transmitter, the first testing tube
The downside in road 11 is equipped with the first flame sensor interface 27 for connecting flame sensor；Second test pipeline, 15 upside
Equipped with second pressure transmitter interface 14 for connecting pressure transmitter, 15 downside of the second test pipeline is equipped with the second flame and senses
Device interface 26 is used to connect flame sensor.
The datonation-inhibition pipeline 13 is provided at both ends with blind flange installing port, the datonation-inhibition pipeline 13 and first test pipeline
11 flange face docking, datonation-inhibition pipeline 13 are docked with the flange face of the second test pipeline 15, the second test pipeline 15 and flange face
The flange face docking of transition duct 16.
It is the round tube that internal diameter is 59mm, length is 0.5m that the first test pipeline 11 and second, which tests pipeline 15,
Road.
The total length of the datonation-inhibition pipeline 13 is 1m；Two sections of pipe pipelines 132 are identical, internal diameter 59mm, long
It spends for 0.6m；131 section of square tube pipeline is 59 × 59mm, length 0.8m.The glass window 30 it is a length of
0.6m, width 50mm.Sealing between the K9 optical glass of datonation-inhibition 13 side of pipeline and square tube pipeline 131 is to pass through silicon rubber
It pads existing.
The internal diameter of the flange face transition duct 16 is 59mm, length 324mm.
The porous material selects coaly activated carbon.The silk screen selects stainless steel cloth.
As Figure 7-8, a kind of connection multiple datonation-inhibition test system of container, fills including aforementioned experimental provision and distribution
It puts, igniter, data acquisition and processing system；The air distributing device includes gas bomb, distributing instrument, distribution tank, conveying
Pipeline, the air distributing device include gas bomb, distributing instrument, distribution tank, transfer pipeline；The gas outlet of the gas bomb
It is connected through the air inlet of transfer pipeline and distributing instrument, the gas outlet of distributing instrument is connected through transfer pipeline with the air inlet of distribution tank；
The igniter includes igniting and place (roundlet cylindrical container 7 and large cylindrical container 19), sparker, fire occurs
Hua Sai, conducting wire；The connection relation of sparker, spark plug and conducting wire is well known to those skilled in the art in igniter
, using sparker and spark plug simulation industrial gasses explosion weak ignition situation, ignition energy can be adjusted and be controlled；
One end the first roundlet cylindrical container take over 10 of the roundlet cylindrical container 7 and the first test pipeline 11 of experimental provision connect
It connects；The top of the roundlet cylindrical container 7 is connected equipped with the first igniter interface 8 with sparker, and small column describes
The bottom first of device 7 supports shell ring 2 to be fixed on the first bottom plate 1；One end first of the large cylindrical container 19 is big
Nozzle in cylindrical vessels 25 is connect with the flange face transition duct 16 of experimental provision；The top of the large cylindrical container 19 is set
There is lifting lug 18, the lower part of large cylindrical 19 side of container is connected equipped with second igniter interface 21 with sparker, great circle
The bottom second of cylindrical container 19 supports shell ring 22 to be fixed on the second bottom plate 23, the side wall of the large cylindrical container 19
It is connect equipped with air inlet/outlet 29 with the gas outlet of the distribution tank of air distributing device；The data acquisition and processing system includes 2
Pressure transmitter, 2 flame sensors, sensor connecting wire, multi-Channels Data Acquisition and data acquisition software；Described
First pressure transmitter interface 12 of 2 pressure transmitters respectively through sensor connecting wire and experimental provision, second pressure become
Device interface 14 is sent to connect, then acquisition blast pressure data are connect with multi-Channels Data Acquisition；2 flame sensors point
The first flame sensor interface 27, the second flame sensor interface 26 not through sensor connecting wire and experimental provision connect,
Acquisition flare up fire is connect with multi-Channels Data Acquisition again, the multi-Channels Data Acquisition connects with data acquisition software
It connects, data acquisition software is analyzed and handled to data and signal.
The other end of the roundlet cylindrical container 7 is equipped with the second roundlet cylindrical container take over 3, in first roundlet
Cylindrical container take over 3 is equipped with blind flange 4, and the blind flange 4 is solid through nut 5 and 6 and second roundlet cylindrical container take over 3 of stud
Fixed connection.Third pressure transmitter interface 9 is equipped in the upside of the first roundlet cylindrical container take over 10, downside is equipped with the
Three flame sensor interfaces 28.One end of the large cylindrical container 19 is equipped with second largest nozzle in cylindrical vessels 20, in institute
The the first large cylindrical container take over 25 stated is equipped with blind flange, and the blind flange is through nut and stud and the second large cylindrical appearance
Device take over 20 is fixedly connected.The 4th pressure transmitter interface is equipped in the upside of the second largest nozzle in cylindrical vessels 25
17, downside is equipped with the 4th flame sensor interface 24.
The third pressure transmitter interface 9 and third flame sensor interface 28 are spare test mouth, using silk plug
Closing.The 4th pressure transmitter interface 17 and the 4th flame sensor interface 24 are spare test mouth, are sealed using silk plug
It closes.
The internal diameter of the roundlet cylindrical container 7 is 309mm, length 315mm；The large cylindrical container 19 it is interior
Diameter is 532mm, length 520mm.The lifting lug 18 that large cylindrical container top is equipped with is convenient for and is equipped with chain block, portal frame
It is lifted by crane and is moved with cart.
First bottom plate 1 and the second bottom plate 23 is fixed on ground by foundation bolt.
Connected between container and pipeline and pipeline by flange in the multiple datonation-inhibition test system of connection container of the present embodiment
It connects：Two roundlet cylindrical container take overs 10 of roundlet cylindrical container 7 are docked with the flange face of the first test pipeline 11, datonation-inhibition pipeline 13
It is docked with the flange face of the first test pipeline 11, datonation-inhibition pipeline 13 is docked with the flange face of the second test pipeline 15, the second test
Pipeline 15 is docked with the flange face of flange face transition duct 16, flange face transition duct 16 and second largest nozzle in cylindrical vessels 25
Flange face docking.
The distributing instrument uses SY9506 type distributing instruments.The multi-Channels Data Acquisition is mostly logical using JV5231 types
Track data Acquisition Instrument, maximum sample rate are 20MSa/s, and resolution ratio 12bit, trueness error is less than 1.0%.The data
Acquisition software uses SignalView universal signal interpretation softwares.The pressure transmitter uses CYG1401MF type pressures
Power transmitter, measurement frequency 100kHz.The flame sensor uses the flame sensor of photodiode type, response
Time is 10-8S。
The in vitro experimental implementation of test system of the present invention：Store the gas bomb of fuel gas (methane) and air
Gas is inputted to distributing instrument through conveyance conduit respectively, the mixing of certain density fuel gas and air is configured in distributing instrument
Object, admixture of gas are re-filled with distribution tank.Experimental provision is assembled, the full coaly activated carbon of filling in datonation-inhibition pipeline 13, datonation-inhibition
13 both ends flange connections clamping silk screen of pipeline is used to fix porous material；Be linked and packed experimental provision, igniter, distribution
The formation of device and data acquisition and processing system connects the multiple datonation-inhibition test system of container, experimental provision by in igniter
Two hydrostatic columns connect to form datonation-inhibition container conduit system, check the circuit of various parts, and ensure that connection is good, inspection
Look into datonation-inhibition container conduit system air-tightness.Then, datonation-inhibition container conduit system is evacuated to negative pressure -0.006MPa, to datonation-inhibition appearance
Fuel gas and air mixture are filled in device pipe-line system (large cylindrical container).Test system is debugged, is in each channel
Working condition, waiting signal.Finally, it clears up except personnel to safe distance, igniting blasting gas is quick-fried by pressure transmitter measurement
Fried pressure, measures flare up fire, and signal is passed to multi-Channels Data Acquisition by flame sensor, carries out adopting for data
Collection, then data and signal are handled and analyzed by data acquisition software.
Container or the datonation-inhibition experiment of pipeline gas are realized by blind plate closed container or pipeline.
Claims (9)
1. a kind of connection multiple datonation-inhibition experimental provision of container, it is characterised in that it includes four segment pipes, is datonation-inhibition pipeline respectively
(13), the first test pipeline (11), the second test pipeline (15) and flange face transition duct (16)；The first test pipeline
(11), datonation-inhibition pipeline (13), the second test pipeline (15) and flange face transition duct (16) are sequentially connected；First test
The upside of pipeline (11) is equipped with first pressure transmitter interface (12), and the downside of the first test pipeline (11) is passed equipped with the first flame
Sensor interface (27)；Second pressure transmitter interface (14), the second testing tube are equipped on the upside of the second test pipeline (15)
The second flame sensor interface (26) is equipped on the downside of road (15)；The datonation-inhibition pipeline (13) by two sections of pipe pipelines (132) and
One section of square tube pipeline (131) composition, the square tube pipeline (131) is placed among two sections of pipe pipelines (132), in the side
Pipeline (131) side is embedded with glass window (30)；Filling porous material forms filler in the datonation-inhibition pipeline (13)
Layer；It is used for respectively in datonation-inhibition pipeline (13) and the junction clamping silk screen of the first test pipeline (11), the second test pipeline (15)
Fixed porous material；The porous material is coaly activated carbon；The silk screen is stainless steel cloth.
2. the connection multiple datonation-inhibition experimental provision of container according to claim 1, it is characterised in that the datonation-inhibition pipeline
(13) it is docked respectively with two sections of pipe pipelines by welding form at the both ends of square tube pipeline.
3. the connection multiple datonation-inhibition experimental provision of container according to claim 1 or 2, it is characterised in that two sections of pipes
Pipeline is identical, internal diameter 59mm, length 0.1m；The square tube pipeline section is 59 × 59mm, length 0.8m；Described
The total length of datonation-inhibition pipeline (13) is 1m.
4. the connection multiple datonation-inhibition experimental provision of container according to claim 1, it is characterised in that the glass window
(30) a length of 0.6m, width 50mm；
The first test pipeline (11) and the second test pipeline (15) is the round tube that internal diameter is 59mm, length is 0.5m
Road；
The internal diameter of the flange face transition duct (16) is 59mm, length 324mm.
5. the connection multiple datonation-inhibition experimental provision of container according to claim 1, it is characterised in that the glass window
(30) material is K9 optical glass.
6. a kind of connection multiple datonation-inhibition test system of container, it is characterised in that it includes experimental provision, air distributing device, igniting dress
It puts, data acquisition and processing system；
The experimental provision includes datonation-inhibition pipeline (13), the first test pipeline (11), the second test pipeline (15) and flange face
Transition duct (16)；First test pipeline (11), datonation-inhibition pipeline (13), the second test pipeline (15) and the flange face conversion
Pipeline (16) is sequentially connected；The datonation-inhibition pipeline (13) is by two sections of pipe pipelines (132) and one section of square tube pipeline (131) group
Into the square tube pipeline (131) is placed among two sections of pipe pipelines (132), is embedded in described square tube pipeline (131) side
Glass window (30)；Filling porous material forms packing layer in the datonation-inhibition pipeline (13)；Respectively in datonation-inhibition pipeline
(13) the junction clamping silk screen with the first test pipeline (11), the second test pipeline (15) is used to fix porous material；It is described
Porous material be coaly activated carbon；The silk screen is stainless steel cloth；It is set on the upside of the first test pipeline (11)
There is first pressure transmitter interface (12), the downside of the first test pipeline (11) is equipped with the first flame sensor interface (27)；Institute
Second pressure transmitter interface (14) is equipped on the upside of the second test pipeline (15) stated, the is equipped on the downside of the second test pipeline (15)
Two flame sensor interfaces (26)；
The air distributing device includes gas bomb, distributing instrument, distribution tank, transfer pipeline；The gas outlet of the gas bomb
It is connected through the air inlet of transfer pipeline and distributing instrument, the gas outlet of distributing instrument is connected through transfer pipeline with the air inlet of distribution tank；
The igniter includes roundlet cylindrical container (7), large cylindrical container (19), sparker, spark plug, leads
Line；One end the first roundlet cylindrical container of the roundlet cylindrical container (7) takes over (10) and the first test of experimental provision
Pipeline (11) connects；The top of the roundlet cylindrical container (7) is equipped with the first igniter interface (8) and sparker connects
It connects, the bottom first of roundlet cylindrical container (7) supports shell ring (2) to be fixed on the first bottom plate (1)；The large cylindrical appearance
The first large cylindrical container of one end of device (19) is taken over (25) and is connect with the flange face transition duct (16) of experimental provision；It is described
The top of large cylindrical container (19) be equipped with lifting lug (18), the lower part of large cylindrical container (19) side is equipped with second igniter
Interface (21) is connected with sparker, and the bottom second of large cylindrical container (19) supports shell ring (22) to be fixed on second
On bottom plate (23), the side wall of the large cylindrical container (19) is equipped with going out for air inlet/outlet (29) and the distribution tank of air distributing device
Gas port connects；
The data acquisition and processing system includes pressure transmitter, flame sensor, sensor connecting wire, multichannel number
According to Acquisition Instrument and data acquisition software；The pressure transmitter becomes through sensor connecting wire and the first pressure of experimental provision
Device interface (12), second pressure transmitter interface (14) connection are sent, then acquisition blast pressure is connect with multi-Channels Data Acquisition
Data；First flame sensor interface (27) of the flame sensor through sensor connecting wire and experimental provision, second
Flame sensor interface (26) connects, then acquisition flare up fire, the multi-channel data are connect with multi-Channels Data Acquisition
Acquisition Instrument is connect with data acquisition software.
7. the connection multiple datonation-inhibition test system of container according to claim 6, it is characterised in that the distributing instrument is
SY9506 type distributing instruments；
The multi-Channels Data Acquisition is JV5231 type multi-Channels Data Acquisitions, and the data acquisition software is
SignalView universal signal interpretation softwares, the pressure transmitter is CYG1401MF type pressure transmitters, described
Flame sensor is the flame sensor of photodiode type.
8. the connection multiple datonation-inhibition test system of container according to claim 6, it is characterised in that the small column describes
The other end of device (7) takes over (3) equipped with the second roundlet cylindrical container, and taking over (10) in the first roundlet cylindrical container is equipped with
Blind flange (4), the blind flange (4) are taken over (3) with the second roundlet cylindrical container through nut (5) and stud (6) and are fixedly connected；
The upside that (10) are taken in the first roundlet cylindrical container is equipped with third pressure transmitter interface (9), and downside is equipped with
Third flame sensor interface (28)；The third pressure transmitter interface (9) and third flame sensor interface (28) is adopted
It is closed with silk plug；
One end of the large cylindrical container (19) is equipped with second largest nozzle in cylindrical vessels (20), in first great circle
Cylindrical container takes over (25) equipped with blind flange, and the blind flange is through nut and stud and second largest nozzle in cylindrical vessels (20)
It is fixedly connected；
The 4th pressure transmitter interface (17) is equipped in the upside of the second largest nozzle in cylindrical vessels (25), downside is equipped with
4th flame sensor interface (24)；The 4th pressure transmitter interface (17) and the 4th flame sensor interface (24) are adopted
It is closed with silk plug.
9. the connection multiple datonation-inhibition test system of container according to claim 6, it is characterised in that the small column describes
The internal diameter of device (7) is 309mm, is highly 315mm；The internal diameter of the large cylindrical container (19) is 532mm, and length is
520mm。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105699620B (en) * | 2016-03-04 | 2017-05-10 | 宁波工程学院 | Experiment device and method for researching gas-explosion wall-face effects |
| CN106370783A (en) * | 2016-08-29 | 2017-02-01 | 中煤科工集团重庆研究院有限公司 | Regular packing explosion suppression fire resistance test system |
| CN107870180A (en) * | 2018-01-10 | 2018-04-03 | 南京工业大学 | The test system of gas burst feature structure effect |
| CN109738607B (en) * | 2019-03-01 | 2021-05-28 | 应急管理部天津消防研究所 | Experimental method of container pipeline gas explosion experimental device with concentration gradient |
| CN109738608B (en) * | 2019-03-01 | 2021-05-28 | 应急管理部天津消防研究所 | Container pipeline gas explosion experimental device with concentration gradient and using method |
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Application publication date: 20151021 Assignee: Liaoning Tuosheng Network Technology Co.,Ltd. Assignor: NANJING University OF TECHNOLOGY Contract record no.: X2023980053958 Denomination of invention: A Multiple Explosion Suppression Experimental Device and Testing System for Connected Containers Granted publication date: 20180703 License type: Common License Record date: 20231226 |
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