CN104990958A - Communication container multiple explosion inhibition effect testing system - Google Patents
Communication container multiple explosion inhibition effect testing system Download PDFInfo
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- CN104990958A CN104990958A CN201510435682.3A CN201510435682A CN104990958A CN 104990958 A CN104990958 A CN 104990958A CN 201510435682 A CN201510435682 A CN 201510435682A CN 104990958 A CN104990958 A CN 104990958A
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- inhibition
- testing conduit
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- 238000012360 testing method Methods 0.000 title claims abstract description 107
- 238000004880 explosion Methods 0.000 title claims abstract description 25
- 230000000694 effects Effects 0.000 title claims abstract description 22
- 230000005764 inhibitory process Effects 0.000 title abstract 12
- 239000011521 glass Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 6
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 45
- 230000007704 transition Effects 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 15
- 238000012546 transfer Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 9
- 239000005304 optical glass Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000003245 coal Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000005493 welding type Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 230000001629 suppression Effects 0.000 description 5
- 238000004088 simulation Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000008246 gaseous mixture Substances 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008054 signal transmission Effects 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 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
- 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
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a communication container multiple explosion inhibition effect testing device, which comprises an explosion inhibition pipeline, a first testing pipeline, a second testing pipeline, and a flange surface conversion pipeline. The first testing pipeline, the explosion inhibition pipeline, the second testing pipeline, and the flange surface conversion pipeline are connected in sequence. The explosion inhibition pipeline is composed of two round sections and one square section; the square section is arranged between two round sections, and a glass observation window is arranged on one side surface of the square section. The explosion inhibition pipeline is filled with a filling material layer made of a porous material. A silk screen is clamped on the joints between the explosion inhibition pipeline and the first testing pipeline and between the explosion inhibition pipeline and the second testing pipeline. The invention further discloses a communication container multiple explosion inhibition effect testing system. The provided testing device and testing system have the advantages of reasonable structure and convenient operation, the multiple explosion inhibition is achieved through the silk screen structure and the porous structure, the explosion inhibition effect is analyzed through the data acquired by a pressure transducer and a flame sensor; and moreover, the explosion inhibition effect can also be analyzed by analyzing the video, which is shot by a high speed camera from the glass observation window.
Description
Technical field
The present invention relates to the multiple datonation-inhibition proving installation of a kind of connection container, and adopt the multiple datonation-inhibition effect test macro of the connection container of this datonation-inhibition proving installation, more specifically to a kind of multiple datonation-inhibition test macro of gas can not only can being tested again effectiveness of explosion suppression by the effectiveness of explosion suppression of K9 optical glass observation connection container pipeline by pressure unit and flame sensor.
Background technology
In chemical industry and petrochemical production process, inflammable gas is used widely, and because Cemented filling has the features such as with low cost, technique is simple, therefore, in most cases, closed container or pipeline can be adopted to carry out storing or carrying.Due to the effect of suffering restraints, gas burst can produce higher pressure and rate of pressure rise, to such an extent as to causes casualties and property loss.And in the apparatus system be connected with pipeline at container, due to pressure accumulated effect and subsequent explosion, the consequence of container conduit system gas explosion accident is more serious, usually catastrophic consequence can be caused.Therefore, blast wave propagation is in the duct suppressed to have great importance.
At present, datonation-inhibition for the silk screen of pipeline and porosint is datonation-inhibition all certain research both at home and abroad, but research is comparatively single, and restricted larger.The strong good people such as grade of Dalian University of Technology's analogy have studied the inhibiting effect of multi-layer silk screen structure to Methane/air mixed gas, acetylene/air gas mixture and propane/air gas mixture combustion explosion; The extinguishing performance of people to multi-layer silk screen structure such as northern bar English light, Tianjin Tian Jian of Tokyo polytechnical university has done systematic research; Professor Guo Changming of China Science & Technology University have studied stephanoporate steel plate material to absorbing shear wave, weakening the effect of detonation wave; The Italy Mare of Naples second university and the Mihalik of Canadian McGill University have studied the combustion limit of air in porosint/hydrocarbon mixed gas by experiment with the means of numerical simulation.But these researchs are all only the datonation-inhibition research under single explosion-suppressing material effect, but rare research is acted on simultaneously for silk screen and porosint.
Summary of the invention
Object of the present invention is intended to act in conjunction with two kinds of explosion-suppressing materials simultaneously, there is provided a kind of connection container multiple datonation-inhibition proving installation, and adopt the multiple datonation-inhibition effect test macro of the connection container of this datonation-inhibition proving installation, this proving installation can carry out the test of effectiveness of explosion suppression in laboratory by Flange joint container, and can directly apply to the datonation-inhibition of industrial pipeline and test by assembling.
Technical scheme of the present invention is as follows:
The multiple datonation-inhibition proving installation of a kind of connection container, it is characterized in that its structure comprises four segment pipes, is datonation-inhibition pipeline 13, first testing conduit 11, second testing conduit 15 and flange face transition duct 16 respectively; The first described testing conduit 11, datonation-inhibition pipeline 13, second testing conduit 15 are connected successively with flange face transition duct 16; Described datonation-inhibition pipeline 13 is made up of two sections of pipe pipelines 132 and one section of square tube pipeline 131, and described square tube pipeline 131 is placed in the middle of two sections of pipe pipelines 132, is embedded with glass window 30 in described square tube pipeline 131 side; In described datonation-inhibition pipeline 13, filling porous material forms packing layer; Silk screen is clamped for fixing porosint respectively in the junction of datonation-inhibition pipeline 13 and the first testing conduit 11, second testing conduit 15.
Described datonation-inhibition pipeline 13 two ends are provided with blind flange installing port, described datonation-inhibition pipeline 13 docks with the flange face of the first testing conduit 11, datonation-inhibition pipeline 13 docks with the flange face of the second testing conduit 15, and the second testing conduit 15 docks with the flange face of flange face transition duct 16.The junction of datonation-inhibition pipeline 13 and the first testing conduit 11 and second time testing conduit 15 can be used for clamping silk screen respectively.
The upside of the first described testing conduit 11 is provided with the first pressure unit interface 12 for Bonding pressure transmitter, and the downside of the first testing conduit 11 is provided with the first flame sensor interface 27 for connecting flame sensor; Being provided with the second pressure unit interface 14 on the upside of the second described testing conduit 15 for Bonding pressure transmitter, being provided with the second flame sensor interface 26 on the downside of the second testing conduit 15 for connecting flame sensor.
Preferably, the first described pressure unit interface 12, first flame sensor interface 27 is separately positioned on the upper and lower side of the first testing conduit 11 middle; The second described pressure unit interface 14, second flame sensor interface 26 is separately positioned on the upper and lower side of the second testing conduit 15 middle.
Respectively with two sections, the two ends pipe pipeline 132 of the square tube pipeline 131 of described datonation-inhibition pipeline 13 docks preferably by Type of Welding.Two sections of described pipe pipelines 132 are identical, and internal diameter is 59mm, and length is 0.1m; Described square tube pipeline 131 cross section is 59 × 59mm, and length is 0.8m.The total length of described datonation-inhibition pipeline 13 is 1m.
The length of described glass window 30 is 0.6m, and wide is 50mm.The material of described glass window 30 is K9 optical glass.
The first described testing conduit 11 and the second testing conduit 15 are all internal diameters is 59mm, length is the circular pipe of 0.5m.
The internal diameter of described flange face transition duct 16 is 59mm, and length is 324mm.
Described porosint generally selects coal mass active carbon.
Described silk screen generally selects stainless steel cloth.
Another object of the present invention is to provide the multiple datonation-inhibition effect test macro of a kind of connection container, comprises proving installation, air distributing device, portfire, data acquisition and processing system; Described air distributing device comprises gas bomb, distributing instrument, distribution tank, transfer pipeline; The gas outlet of described gas bomb is connected with the air intake opening of distributing instrument through transfer pipeline, and the gas outlet of distributing instrument is connected with the air intake opening of distribution tank through transfer pipeline.In air distributing device, the annexation of gas bomb, distributing instrument and distribution tank well known to a person skilled in the art, the gas bomb storing inflammable gas (as methane) and air inputs gas through transfer pipeline to distributing instrument respectively, the potpourri of certain density inflammable gas and air is mixed with in distributing instrument, gaseous mixture is filled with distribution tank again, then datonation-inhibition container conduit system is vacuumized, finally gas in distribution tank is filled with in test macro.
Described distributing instrument adopts SY9506 type distributing instrument.
Described portfire comprises small cylindrical container 7, great circle cylindrical container 19, sparker, spark plug, wire; Wherein, small cylindrical container 7 and great circle cylindrical container 19 are igniting generation place; In portfire, the annexation of sparker, spark plug and wire well known to a person skilled in the art, adopts sparker and spark plug simulation industrial gasses blast weak ignition situation, and ignition energy can regulation and control; One end first small cylindrical container adapter 10 of described small cylindrical container 7 is connected with the first testing conduit 11 of proving installation; The top of described small cylindrical container 7 is provided with the first lighter interface 8 and is connected with sparker, and the bottom first of small cylindrical container 7 supports shell ring 2 and is fixed on the first base plate 1; One end of described great circle cylindrical container 19 is connected with the flange face transition duct 16 of proving installation through first nozzle in cylindrical vessels 25; The top of described great circle cylindrical container 19 is provided with hanger 18, the bottom of great circle cylindrical container 19 sidepiece is provided with secondary igniter interface 21 and is connected with sparker, the bottom second of great circle cylindrical container 19 supports shell ring 22 and is fixed on the second base plate 23, and the sidewall of described great circle cylindrical container 19 is provided with air inlet/outlet 29 and is connected with the gas outlet of distribution tank.
Preferably, the other end of described small cylindrical container 7 is provided with the second small cylindrical container adapter 3, be provided with blind flange 4 in the first described small cylindrical container adapter 3, described blind flange 4 is fixedly connected with the second small cylindrical container adapter 3 with stud 6 through nut 5.Be provided with the 3rd pressure unit interface 9 in the upside of the first described small cylindrical container adapter 10, downside is provided with the 3rd flame sensor interface 28.As the improvement project of small cylindrical container 7, also only can be provided with the first small cylindrical container adapter 10 for being connected with the first testing conduit 11 of proving installation in one end of small cylindrical container 7, the other end directly closes not opening.The 3rd described pressure unit interface 9 and the 3rd flame sensor interface 28 are test port for subsequent use, adopt plug to close.
Preferably, one end of described great circle cylindrical container 19 is provided with second largest nozzle in cylindrical vessels 20, is provided with blind flange in described first nozzle in cylindrical vessels 20, and described blind flange is fixedly connected with second largest nozzle in cylindrical vessels 20 with stud through nut.Be provided with the 4th pressure unit interface 17 in the upside of described second largest nozzle in cylindrical vessels 25, downside is provided with the 4th flame sensor interface 24.As the improvement project of great circle cylindrical container 19, also only can be provided with first nozzle in cylindrical vessels 25 for being connected with the flange face transition duct 16 of proving installation in one end of great circle cylindrical container 19, the other end directly closes not opening.The 4th described pressure unit interface 17 and the 4th flame sensor interface 24 are test port for subsequent use, adopt plug to close.
Preferably, the sidewall of described small cylindrical container 7 is also provided with air inlet/outlet, and air inlet/outlet was both inflated for being connected with the distribution tank of air distributing device, also can realize venting function.
The internal diameter of described small cylindrical container 7 is 309mm, is highly 315mm; The internal diameter of described great circle cylindrical container 19 is 532mm, and length is 520mm.
The first described base plate 1 and the second base plate 23 are fixed on ground by foot bolt.
Described data acquisition and processing system comprises pressure unit, flame sensor, sensor connection wire, multi-Channels Data Acquisition and data acquisition software; Described pressure unit connects wire through sensor and is connected with the first pressure unit interface 12, second pressure unit interface 14 of proving installation, then is connected with multi-Channels Data Acquisition and gathers explosion pressure data; Described flame sensor connects wire through sensor and is connected with the first flame sensor interface 27, second flame sensor interface 26 of proving installation, be connected with multi-Channels Data Acquisition again and gather flare up fire, described multi-Channels Data Acquisition is connected with data acquisition software, and data acquisition software carries out treatment and analysis to data and signal.
Described multi-Channels Data Acquisition adopts JV5231 type multi-Channels Data Acquisition, and maximum sample rate is 20MSa/s, and resolution is 12bit, and trueness error is less than 1.0%.Described data acquisition software adopts SignalView universal signal interpretation software.Described pressure unit adopts CYG1401MF type pressure unit, and survey frequency is 100kHz.Described flame sensor adopts the flame sensor of photodiode type, and the response time is 10
-8s.
The multiple datonation-inhibition effect test macro of described connection container comprises 2 pressure units and 2 flame sensors.2 pressure units connect wire through sensor respectively and are connected with the first pressure unit interface 12, second pressure unit interface 14 of proving installation; 2 flame sensors connect wire through sensor respectively and are connected with the first flame sensor interface 27, second flame sensor interface 26 of proving installation.
The in vitro experimental implementation of test macro of the present invention: prepare certain density inflammable gas and air mixture by distributing instrument, makes it mix.Assembling and testing device, full coal mass active carbon is filled in datonation-inhibition pipeline 13, at datonation-inhibition pipeline 13 two ends flange connections clamping silk screen, and the portfire that has been linked and packed, air distributing device and data acquisition and processing system, proving installation is by being connected to form datonation-inhibition container conduit system with the hydrostatic column of two in portfire, check the circuit of various parts, and guarantee to connect well, check datonation-inhibition container conduit system impermeability.Then, be evacuated to negative pressure-0.006MPa, in datonation-inhibition container conduit system, be filled with inflammable gas and air mixture.Debugging test macro, makes each passage in running order, waiting signal.Finally, outside cleaning personnel to safe distance, igniting blasting gas, by pressure transmitter measurement explosion pressure, flare up fire is measured by flame sensor, and by signal transmission to multi-Channels Data Acquisition, carry out the collection of data, then by data acquisition software, data and signal are processed and analyzed.
Beneficial effect of the present invention:
The multiple datonation-inhibition proving installation of connection container of the present invention is rational in infrastructure, easy to operate, is used for realizing multiple datonation-inhibition by screen net structure and porous structure simultaneously; Datonation-inhibition pipeline is short and small, quick detachable, can not only use in the lab, can also directly apply to commercial plant after pulling down.
Again by this proving installation and air distributing device, portfire, data acquisition and processing system composition test macro, the data collected by pressure unit and flame sensor analyze effectiveness of explosion suppression, and high-speed camera instrument can be used to carry out high-speed photography to analyze effectiveness of explosion suppression through glass window.
Accompanying drawing explanation
Fig. 1 is the structural representation of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 2 is the testing conduit structural representation of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 3 is the datonation-inhibition pipeline configuration schematic diagram of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 4 is the flange face transition duct structural representation of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 5 is the Facad structure schematic diagram inlaying K9 optical glass side in the datonation-inhibition pipeline of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 6 is the horizontal section structural representation inlaying K9 optical glass one side in the datonation-inhibition pipeline of the multiple datonation-inhibition proving installation of a kind of connection container.
Fig. 7 is the multiple datonation-inhibition proving installation of effect test macro of a kind of connection container and the structural representation of portfire.
Fig. 8 is the great circle cylindrical container horizontal section structural representation of the multiple datonation-inhibition effect test macro of a kind of connection container.
In figure, 1-first base plate, 2-first supports shell ring, 3-second small cylindrical container is taken over, 4-blind flange, 5-nut, 6-stud, 7-small cylindrical container, 8-first lighter interface, 9-the 3rd pressure unit interface, 10-first small cylindrical container is taken over, 11-first testing conduit, 12-first pressure unit interface, the datonation-inhibition pipeline of 13-, 131-square tube pipeline, 132-pipe pipeline, 14-second pressure unit interface, 15-second testing conduit, 16-flange conversion surface pipeline, 17-the 4th pressure unit interface, 18-hanger, 19-great circle cylindrical container, the second largest nozzle in cylindrical vessels of 20-, 21-secondary igniter interface, 22-second supports shell ring, 23-second base plate, 24-the 4th flame sensor interface, the first nozzle in cylindrical vessels of 25-, 26-second flame sensor interface, 27-first flame sensor interface, 28-the 3rd flame sensor interface, 29-air inlet/outlet, 30-glass window.
Embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is further described.
As shown in figures 1 to 6, the multiple datonation-inhibition proving installation of a kind of connection container comprises four sections of connecting tubes, is datonation-inhibition pipeline 13, first testing conduit 11, second testing conduit 15 and flange face transition duct 16 respectively; The first described testing conduit 11, datonation-inhibition pipeline 13, second testing conduit 15 are connected successively with flange face transition duct 16; Described datonation-inhibition pipeline 13 is made up of two sections of pipe pipelines 132 and one section of square tube pipeline 131, and described square tube pipeline 131 is placed in the middle of two sections of pipe pipelines 132, and respectively with two sections, the two ends pipe pipeline 132 of square tube pipeline 131 is docked by Type of Welding; Be embedded with K9 optical glass in described square tube pipeline 131 side and form glass window 30; In described datonation-inhibition pipeline 13, filling porous material forms packing layer; Silk screen is clamped for fixing porosint respectively in the junction of datonation-inhibition pipeline 13 and the first testing conduit 11, second testing conduit 15; The upside of the first described testing conduit 11 is provided with the first pressure unit interface 12 for Bonding pressure transmitter, and the downside of the first testing conduit 11 is provided with the first flame sensor interface 27 for connecting flame sensor; Being provided with the second pressure unit interface 14 on the upside of the second described testing conduit 15 for Bonding pressure transmitter, being provided with the second flame sensor interface 26 on the downside of the second testing conduit 15 for connecting flame sensor.
Described datonation-inhibition pipeline 13 two ends are provided with blind flange installing port, described datonation-inhibition pipeline 13 docks with the flange face of the first testing conduit 11, datonation-inhibition pipeline 13 docks with the flange face of the second testing conduit 15, and the second testing conduit 15 docks with the flange face of flange face transition duct 16.
The first described testing conduit 11 and the second testing conduit 15 are all internal diameters is 59mm, length is the circular pipe of 0.5m.
The total length of described datonation-inhibition pipeline 13 is 1m; Two sections of described pipe pipelines 132 are identical, and internal diameter is 59mm, and length is 0.6m; Described square tube pipeline 131 cross section is 59 × 59mm, and length is 0.8m.The length of described glass window 30 is 0.6m, and wide is 50mm.The sealing be embedded between the K9 optical glass of datonation-inhibition pipeline 13 side and square tube pipeline 131 is realized by silicone rubber pad.
The internal diameter of described flange face transition duct 16 is 59mm, and length is 324mm.
Coal mass active carbon selected by described porosint.Stainless steel cloth selected by described silk screen.
As Figure 7-8, the multiple datonation-inhibition effect test macro of a kind of connection container, comprises aforesaid proving installation and air distributing device, portfire, data acquisition and processing system; Described air distributing device comprises gas bomb, distributing instrument, distribution tank, transfer pipeline, and described air distributing device comprises gas bomb, distributing instrument, distribution tank, transfer pipeline; The gas outlet of described gas bomb is connected with the air intake opening of distributing instrument through transfer pipeline, and the gas outlet of distributing instrument is connected with the air intake opening of distribution tank through transfer pipeline; Described portfire comprises igniting and place (small cylindrical container 7 and great circle cylindrical container 19), sparker, spark plug, wire occurs; In portfire, the annexation of sparker, spark plug and wire well known to a person skilled in the art, adopts sparker and spark plug simulation industrial gasses blast weak ignition situation, and ignition energy can regulation and control; One end first small cylindrical container adapter 10 of described small cylindrical container 7 is connected with the first testing conduit 11 of proving installation; The top of described small cylindrical container 7 is provided with the first lighter interface 8 and is connected with sparker, and the bottom first of small cylindrical container 7 supports shell ring 2 and is fixed on the first base plate 1; One end of described great circle cylindrical container 19 is connected with the flange face transition duct 16 of proving installation through first nozzle in cylindrical vessels 25; The top of described great circle cylindrical container 19 is provided with hanger 18, the bottom of great circle cylindrical container 19 sidepiece is provided with secondary igniter interface 21 and is connected with sparker, the bottom second of great circle cylindrical container 19 supports shell ring 22 and is fixed on the second base plate 23, and the sidewall of described great circle cylindrical container 19 is provided with air inlet/outlet 29 and is connected with the gas outlet of the distribution tank of air distributing device; Described data acquisition and processing system comprises 2 pressure units, 2 flame sensors, sensors connect wire, multi-Channels Data Acquisition and data acquisition software; 2 described pressure units connect wire through sensor respectively and are connected with the first pressure unit interface 12, second pressure unit interface 14 of proving installation, then are connected with multi-Channels Data Acquisition and gather explosion pressure data; 2 described flame sensors connect wire through sensor respectively and are connected with the first flame sensor interface 27, second flame sensor interface 26 of proving installation, be connected with multi-Channels Data Acquisition again and gather flare up fire, described multi-Channels Data Acquisition is connected with data acquisition software, and data acquisition software carries out treatment and analysis to data and signal.
The other end of described small cylindrical container 7 is provided with the second small cylindrical container adapter 3, and be provided with blind flange 4 in the first described small cylindrical container adapter 3, described blind flange 4 is fixedly connected with the second small cylindrical container adapter 3 with stud 6 through nut 5.Be provided with the 3rd pressure unit interface 9 in the upside of the first described small cylindrical container adapter 10, downside is provided with the 3rd flame sensor interface 28.One end of described great circle cylindrical container 19 is provided with second largest nozzle in cylindrical vessels 20, is provided with blind flange in described first nozzle in cylindrical vessels 20, and described blind flange is fixedly connected with second largest nozzle in cylindrical vessels 20 with stud through nut.Be provided with the 4th pressure unit interface 17 in the upside of described second largest nozzle in cylindrical vessels 25, downside is provided with the 4th flame sensor interface 24.
The 3rd described pressure unit interface 9 and the 3rd flame sensor interface 28 are test port for subsequent use, adopt plug to close.The 4th described pressure unit interface 17 and the 4th flame sensor interface 24 are test port for subsequent use, adopt plug to close.
The internal diameter of described small cylindrical container 7 is 309mm, and length is 315mm; The internal diameter of described great circle cylindrical container 19 is 532mm, and length is 520mm.The hanger 18 that big column vessel top is provided with, is convenient to and is equipped with chain block, portal frame and go-cart carry out lifting by crane and moving.
The first described base plate 1 and the second base plate 23 are fixed on ground by foot bolt.
In the multiple datonation-inhibition effect test macro of connection container of the present embodiment container with between pipeline and pipeline by Flange joint: two small cylindrical container adapters 10 of small cylindrical container 7 are docked with the flange face of the first testing conduit 11, datonation-inhibition pipeline 13 docks with the flange face of the first testing conduit 11, datonation-inhibition pipeline 13 docks with the flange face of the second testing conduit 15, second testing conduit 15 docks with the flange face of flange face transition duct 16, and flange face transition duct 16 is docked with the flange face of second largest nozzle in cylindrical vessels 25.
Described distributing instrument adopts SY9506 type distributing instrument.Described multi-Channels Data Acquisition adopts JV5231 type multi-Channels Data Acquisition, and maximum sample rate is 20MSa/s, and resolution is 12bit, and trueness error is less than 1.0%.Described data acquisition software adopts SignalView universal signal interpretation software.Described pressure unit adopts CYG1401MF type pressure unit, and survey frequency is 100kHz.Described flame sensor adopts the flame sensor of photodiode type, and the response time is 10
-8s.
The in vitro experimental implementation of test macro of the present invention: the gas bomb storing inflammable gas (methane) and air inputs gas through conveyance conduit to distributing instrument respectively, in distributing instrument, be mixed with the potpourri of certain density inflammable gas and air, gaseous mixture is filled with distribution tank again.Assembling and testing device, fills full coal mass active carbon in datonation-inhibition pipeline 13, is used for fixing porosint at datonation-inhibition pipeline 13 two ends flange connections clamping silk screen; Be linked and packed the multiple datonation-inhibition test macro of proving installation, portfire, air distributing device and data acquisition and processing system formation connection container, proving installation is by being connected to form datonation-inhibition container conduit system with the hydrostatic column of two in portfire, check the circuit of various parts, and guarantee to connect well, check datonation-inhibition container conduit system impermeability.Then, datonation-inhibition container conduit system is evacuated to negative pressure-0.006MPa, in datonation-inhibition container conduit system (great circle cylindrical container), be filled with inflammable gas and air mixture.Debugging test macro, makes each passage in running order, waiting signal.Finally, outside cleaning personnel to safe distance, igniting blasting gas, by pressure transmitter measurement explosion pressure, flare up fire is measured by flame sensor, and by signal transmission to multi-Channels Data Acquisition, carry out the collection of data, then by data acquisition software, data and signal are processed and analyzed.
Container or the datonation-inhibition experiment of pipeline gas is realized by blind plate closed container or pipeline.
Claims (10)
1. the multiple datonation-inhibition proving installation of connection container, it is characterized in that it comprises four segment pipes, is datonation-inhibition pipeline (13), the first testing conduit (11), the second testing conduit (15) and flange face transition duct (16) respectively; Described the first testing conduit (11), datonation-inhibition pipeline (13), the second testing conduit (15) are connected successively with flange face transition duct (16); Described datonation-inhibition pipeline (13) is made up of two sections of pipe pipelines (132) and one section of square tube pipeline (131), described square tube pipeline (131) is placed in the middle of two sections of pipe pipelines (132), is embedded with glass window (30) in described square tube pipeline (131) side; In described datonation-inhibition pipeline (13), filling porous material forms packing layer; Clamp silk screen in datonation-inhibition pipeline (13) and the junction of the first testing conduit (11), the second testing conduit (15) respectively and be used for fixing porosint.
2. the multiple datonation-inhibition proving installation of connection container according to claim 1, it is characterized in that the upside of described the first testing conduit (11) is provided with the first pressure unit interface (12), the downside of the first testing conduit (11) is provided with the first flame sensor interface (27); Described the second testing conduit (15) upside is provided with the second pressure unit interface (14), and the second testing conduit (15) downside is provided with the second flame sensor interface (26).
3. the multiple datonation-inhibition proving installation of connection container according to claim 1, is characterized in that respectively with two sections, the two ends pipe pipeline of the square tube pipeline of described datonation-inhibition pipeline (13) is docked by Type of Welding.
4. the multiple datonation-inhibition proving installation of the connection container according to claim 1 or 3, it is characterized in that two sections of described pipe pipelines are identical, internal diameter is 59mm, and length is 0.1m; Described square tube pipeline section is 59 × 59mm, and length is 0.8m; The total length of described datonation-inhibition pipeline (13) is 1m.
5. the multiple datonation-inhibition proving installation of connection container according to claim 1, it is characterized in that the length of described glass window (30) is 0.6m, wide is 50mm;
Described the first testing conduit (11) and the second testing conduit (15) are all internal diameters is 59mm, length is the circular pipe of 0.5m;
The internal diameter of described flange face transition duct (16) is 59mm, and length is 324mm.
6. the multiple datonation-inhibition proving installation of connection container according to claim 1, is characterized in that described porosint is coal mass active carbon; Described silk screen is stainless steel cloth; The material of described glass window (30) is K9 optical glass.
7. the multiple datonation-inhibition effect test macro of connection container, is characterized in that it comprises proving installation, air distributing device, portfire, data acquisition and processing system;
Described proving installation comprises datonation-inhibition pipeline (13), the first testing conduit (11), the second testing conduit (15) and flange face transition duct (16); Described the first testing conduit (11), datonation-inhibition pipeline (13), the second testing conduit (15) are connected successively with flange face transition duct (16); Described datonation-inhibition pipeline (13) is made up of two sections of pipe pipelines (132) and one section of square tube pipeline (131), described square tube pipeline (131) is placed in the middle of two sections of pipe pipelines (132), is embedded with glass window (30) in described square tube pipeline (131) side; In described datonation-inhibition pipeline (13), filling porous material forms packing layer; Clamp silk screen in datonation-inhibition pipeline (13) and the junction of the first testing conduit (11), the second testing conduit (15) respectively and be used for fixing porosint; The upside of described the first testing conduit (11) is provided with the first pressure unit interface (12), and the downside of the first testing conduit (11) is provided with the first flame sensor interface (27); Described the second testing conduit (15) upside is provided with the second pressure unit interface (14), and the second testing conduit (15) downside is provided with the second flame sensor interface (26);
Described air distributing device comprises gas bomb, distributing instrument, distribution tank, transfer pipeline; The gas outlet of described gas bomb is connected with the air intake opening of distributing instrument through transfer pipeline, and the gas outlet of distributing instrument is connected with the air intake opening of distribution tank through transfer pipeline;
Described portfire comprises small cylindrical container (7), great circle cylindrical container (19), sparker, spark plug, wire; One end first small cylindrical container adapter (10) of described small cylindrical container (7) is connected with first testing conduit (11) of proving installation; The top of described small cylindrical container (7) is provided with the first lighter interface (8) and is connected with sparker, and the bottom first of small cylindrical container (7) supports shell ring (2) and is fixed on the first base plate (1); One end of described great circle cylindrical container (19) is connected with the flange face transition duct (16) of proving installation through first nozzle in cylindrical vessels (25); The top of described great circle cylindrical container (19) is provided with hanger (18), the bottom of great circle cylindrical container (19) sidepiece is provided with secondary igniter interface (21) and is connected with sparker, the bottom second of great circle cylindrical container (19) supports shell ring (22) and is fixed on the second base plate (23), and the sidewall of described great circle cylindrical container (19) is provided with air inlet/outlet (29) and is connected with the gas outlet of the distribution tank of air distributing device;
Described data acquisition and processing system comprises pressure unit, flame sensor, sensor connection wire, multi-Channels Data Acquisition and data acquisition software; Described pressure unit connects the first pressure unit interface (12) of wire and proving installation through sensor, the second pressure unit interface (14) is connected, then is connected with multi-Channels Data Acquisition and gathers explosion pressure data; Described flame sensor connects the first flame sensor interface (27) of wire and proving installation through sensor, the second flame sensor interface (26) is connected, be connected with multi-Channels Data Acquisition and gather flare up fire, described multi-Channels Data Acquisition is connected with data acquisition software.
8. the multiple datonation-inhibition effect test macro of connection container according to claim 7, is characterized in that described distributing instrument is SY9506 type distributing instrument;
Described multi-Channels Data Acquisition is JV5231 type multi-Channels Data Acquisition, described data acquisition software is SignalView universal signal interpretation software, described pressure unit is CYG1401MF type pressure unit, and described flame sensor is the flame sensor of photodiode type.
9. the multiple datonation-inhibition effect test macro of connection container according to claim 7, it is characterized in that the other end of described small cylindrical container (7) is provided with the second small cylindrical container adapter (3), be provided with blind flange (4) at the first described small cylindrical container adapter (3), described blind flange (4) is taken over (3) with stud (6) with the second small cylindrical container through nut (5) and is fixedly connected with;
Be provided with the 3rd pressure unit interface (9) in the upside of the first described small cylindrical container adapter (10), downside is provided with the 3rd flame sensor interface (28); The 3rd described pressure unit interface (9) and the 3rd flame sensor interface (28) adopt plug to close;
One end of described great circle cylindrical container (19) is provided with second largest nozzle in cylindrical vessels (20), be provided with blind flange in described first nozzle in cylindrical vessels (20), described blind flange is fixedly connected with second largest nozzle in cylindrical vessels (20) with stud through nut;
Be provided with the 4th pressure unit interface (17) in the upside of described second largest nozzle in cylindrical vessels (25), downside is provided with the 4th flame sensor interface (24); The 4th described pressure unit interface (17) and the 4th flame sensor interface (24) adopt plug to close.
10. the multiple datonation-inhibition effect test macro of connection container according to claim 7, it is characterized in that the internal diameter of described small cylindrical container (7) is 309mm, is highly 315mm; The internal diameter of described great circle cylindrical container (19) is 532mm, and length is 520mm.
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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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