CN108627404A - Venting of dust explosion flame induces the test system and its test method of vaporous cloud explosion - Google Patents
Venting of dust explosion flame induces the test system and its test method of vaporous cloud explosion Download PDFInfo
- Publication number
- CN108627404A CN108627404A CN201810876503.3A CN201810876503A CN108627404A CN 108627404 A CN108627404 A CN 108627404A CN 201810876503 A CN201810876503 A CN 201810876503A CN 108627404 A CN108627404 A CN 108627404A
- Authority
- CN
- China
- Prior art keywords
- container
- venting
- vaporous cloud
- flame
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004880 explosion Methods 0.000 title claims abstract description 113
- 239000000428 dust Substances 0.000 title claims abstract description 67
- 238000013022 venting Methods 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000010998 test method Methods 0.000 title claims abstract description 11
- 238000009826 distribution Methods 0.000 claims abstract description 38
- 239000002737 fuel gas Substances 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 22
- 230000013011 mating Effects 0.000 claims abstract description 14
- 238000011160 research Methods 0.000 claims abstract description 14
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 12
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 230000006698 induction Effects 0.000 claims abstract description 6
- 238000005474 detonation Methods 0.000 claims description 56
- 239000007789 gas Substances 0.000 claims description 48
- 230000008859 change Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 238000002474 experimental method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 6
- 238000010926 purge Methods 0.000 claims description 5
- 229920005439 Perspex® Polymers 0.000 claims description 3
- 244000062793 Sorghum vulgare Species 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001427 coherent effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 235000019713 millet Nutrition 0.000 claims description 3
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 230000037452 priming Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 230000009172 bursting Effects 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- 230000006854 communication Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000112 cooling gas Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007706 flame test Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/313—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by explosives
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0682—Spatial dimension, e.g. length, area, angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
Venting of dust explosion flame of the present invention induces the test system of vaporous cloud explosion and its test method refers to a kind of test equipment and its test method of research venting of dust explosion flame induction vaporous cloud explosion.Including air distributing device, igniter, destructor, data acquisition processing device, high-speed digital photography machine and mating vaporous cloud simulator.The air distributing device includes fuel gas air source, distribution air source and distribution tank；Igniter includes igniter, and igniter is mounted on destructor；The data acquisition processing device includes pressure sensor, flame sensor, signal amplification circuit, data collecting instrument, computer and the pressure sensor being mounted on the hydrostatic column；Flame sensor is connected with the input terminal of signal amplifier, and the output end of signal amplifier is connected with the input terminal of data collecting instrument, and the output end of data collecting instrument is connected with computer；Destructor is mounted between air distributing device and data acquisition processing device.
Description
Technical field
Venting of dust explosion flame of the present invention induces the test system of vaporous cloud explosion and its test method refers to a kind of study and lets out
Dryness-fire flame induces the test equipment and its test method of vaporous cloud explosion.
Background technology
In industrial processes, the case where hydrostatic column is used singly or in combination, is extremely widespread, if reaction
Out of control or container existing defects, can cause the accidents such as fire explosion, cause personnel's property loss.In hydrostatic column venting of dust explosion process
In, due to different process process, the size of container, distance, vaporous cloud between the structure size and vaporous cloud when reactor connects
Size it is often also different, the degree of danger of accident also can be therefore different.
Current existing achievement in research experiment condition is multifarious, lacks systematicness, can not be counted to experimental data
Analysis.The container antiknock instructed usually using simulated experiment data or traditional theory computation model and venting of dust explosion safe design and steaming
The setting of gas cloud safe distance.
Therefore, it is necessary to develop a set of test systems that vaporous cloud explosion can be induced with system research venting of dust explosion flame, carry out each
Venting of dust explosion flame induces the experiment and theoretical research of vaporous cloud blast process under the conditions of kind structure snd size, discloses venting of dust explosion flame and induces
The rule of vaporous cloud explosion, predicts vaporous cloud bursting strength, for effectively preventing and controlling such disastrous accident
With important theory value and practical significance, achievement in research will be during industrial container venting of dust explosion to vaporous cloud around carry out every
The safe practices such as quick-fried, datonation-inhibition provide foundation.
Invention content
Purpose of the present invention is to be directed to existing venting of dust explosion flame test device cannot systematically study series of structure dimensions item
Venting of dust explosion flame induces the characteristic of vaporous cloud explosion time under part, and result of study is not extensive, it is practical to be applied to solve
The problem of operating mode problem, provides a kind of the test system and its test method of venting of dust explosion flame induction vaporous cloud explosion, is that one kind can
The test system that venting of dust explosion flame induces vaporous cloud explosion is comprehensively studied with system.
Venting of dust explosion flame of the present invention induces the test device of vaporous cloud explosion and its test method takes following technical scheme real
It is existing：
It includes air distributing device, igniter, destructor, data acquisition and place that venting of dust explosion flame, which induces vaporous cloud Exploding test system,
Manage device and high-speed digital photography machine.
The air distributing device includes fuel gas air source, distribution air source and distribution tank, the input terminal of distribution tank respectively with
Fuel gas air source and distribution air source are connected, and the another way output of distribution tank is connected with the input port of destructor.
The igniter includes igniter, and igniter is mounted on destructor, and the igniter uses electronics
Igniter（Spark ignition）.According to the difference of igniter installation site, the igniting of different location may be implemented；Hold according to entering
The igniting of two kinds of forms of wall of a container millet cake fire and center fire may be implemented in the difference of device depth.
The data acquisition processing device includes the pressure sensor being mounted on the cylindrical detonation container, fire
Flame sensor, signal amplifier, data collecting instrument, computer and pressure sensor；It is flame sensor, defeated with signal amplifier
Enter end to be connected, the output end of signal amplifier is connected with the input terminal of data collecting instrument, the output end of data collecting instrument and calculating
Machine is connected.
The destructor is mounted between air distributing device and data acquisition processing device, and destructor includes cylinder
Priming device, vaporous cloud simulator.Cylindrical priming device is provided with cylindrical detonation container, and cylinder is detonated between container
Can freely it be docked by flange.
The high-speed digital photography machine is used to shoot flame when flammable gas explosion in container, high-speed digital photography machine
Camera lens face needs to monitor the viewing section of position, and high-speed digital photography machine output end is connected with computer.
There are many dimensions for the cylindrical detonation container, for carrying out fuel gas in different sizes or shape
Container in venting of dust explosion characteristic and its to vaporous cloud explosion fall out effect research.
The various pieces of the destructor are by changing cylindrical detonation container and mutual connection structure, side
Just be attached combination, from structure and geomery and at a distance from vaporous cloud three in terms of study venting of dust explosion flame induce steam
Cloud explodes.
The cylindrical detonation container is according to draw ratio（The ratio between length and internal diameter）Respectively 2:1 and 1:1 two kinds.Major diameter
Than being 2:1 cylindrical detonation container volume is 11L -113L, and preferred volume is respectively：11L、55L、113L.Draw ratio（It is long
The ratio between degree and internal diameter）It is 1：1 cylindrical detonation container volume is 11L -113L, and preferred volume is respectively：11L、55L、
113L。
The cylindrical detonation container is provided with high intensity Perspex section, is shot for high-speed digital photography machine
Flame image when gas burst.Viewing section at 5 is shared on cylinder detonation container, is located at hydrostatic column main body
Upper, middle and lower part, at vertical conduit, at horizontal duct.
It is equipped with igniter interface, sensor interface, air inlet/outlet on cylinder detonation container.Cylinder detonation container
There is igniter interface at 3, is located at the upper, middle and lower 3 of container；Many places igniter interface may be implemented in container different location
Igniting, research venting of dust explosion flame induce the characteristic of vaporous cloud explosion.Sensor includes pressure sensor and flame sensor.It is cylindrical
The feature locations of detonation container are evenly equipped with sensor interface, may be implemented special to flammable gas explosion at destructor feature locations
Property systematicness monitoring.Feature locations include：Extraction catheter and cylindrical detonation container junction, spherical container shoulder, spherical shape
At vessel level largest contours, cylindrical detonation container shoulder, cylindrical detonation upper vessel portion and lower part.Air inlet/outlet is for filling
The cycle for putting flammable premixed gas, container purging and premixed gas is protected using bottom in and top out or the left circulation pattern gone out into the right side
Fuel gas is demonstrate,proved to be uniformly mixed.
It is used below cylinder detonation container and stablizes steelframe support, and universal wheel is installed, the intercombination of convenient container.
The vaporous cloud simulator is used to simulate explosive conditions of the vaporous cloud under the induction of venting of dust explosion flame, and passes through tune
Whole vaporous cloud studies the safe distance under various operating modes at a distance from venting of dust explosion flame.
The vaporous cloud simulator includes that can be arbitrarily adjusted guide rail and the steel for installing vaporous cloud film
Pedestal.The guide rail bottom is equipped with hook, convenient to be attached and fix with destructor；Steel base includes 4 different rulers
Very little card slot simulates various sizes of vaporous cloud for coordinating various sizes of film.
Hemispherical film used in the vaporous cloud simulator is polyvinyl chloride, and thickness is 0.05 mm,
Diameter has 5 kinds of sizes such as 0.2 m, 0.4 m, 0.6 m, 0.8 m and 1 m.The material of corresponding bottom plate is 16Mn steel, on bottom plate
There is the installation interface of igniter and pressure sensor in corresponding position.There are four pulleys for the installation of bottom plate back, can be embedded in track.
The igniter, the igniter are high-energy electronic igniter（Model：XDH-6L）, ignition energy 6J,
This device speed of ignition is fast, easy to operate.By the burning torch of customized different length, may be implemented in a reservoir the heart igniting and
Wall surface is lighted a fire.
The high-speed digital photography machine, the high-speed digital photography machine image acquisition device（Model：Phantom V7.3）
Highest resolution@capture rates：800 × 600@6688 frames/second；Highest capture rate@resolution ratio：190476 frames/
Second@32 × 8；The minimum exposure time：2μs；Pixel number：480000；Communication interface：Gigabit Ethernet；Sensitivity（ISO-12232
SAT）：4800（Black and white）；1200（It is colored）；Camera lens：Nikon AF Zoom 80-200mm f/2.8D ED；Software triggers；Frame is same
Step：Independent FSYNC BNC synchronous ports support internal clock source, external clock reference, IRIG-8 timing codes and phase shift IRIG-B.
Data acquisition processing device, the data acquisition device is mainly by the pressure sensing in the destructor
Device, flame sensor, signal amplifier, data collecting instrument and computer composition, pressure sensor and flame sensor and signal
The input terminal of amplifier is connected, and the output end of signal amplifier is connected with the input terminal of data collecting instrument, data collecting instrument it is defeated
Outlet is connected with computer.Simultaneously by flame flow field picture of exploding in high-speed digital photography machine shooting destructor, high-speed figure
The output end of video camera is connected with computer.
The input terminal of the distribution tank is connected with the output end of distributing instrument (model can be GH-1), the input terminal of distributing instrument
It is connected respectively with fuel gas air source and distribution air source.
The distribution air source is pure air.The fuel gas air source uses methane, propane, ethylene and liquefied gas
Deng.
Each device, in addition to interior shape, size are different, external connections can freely be connected by standard flange
It connects.
The test method that venting of dust explosion flame induces the test system of vaporous cloud explosion is as follows：
The experiment of the present invention, test operating procedure are：
One, structure type, the size of destructor are determined according to experiment needs first, selects suitable detonation container, vaporous cloud
The size of film is combined；
Two, vaporous cloud Exploding test system is induced according to venting of dust explosion flame, assembles destructor and laboratory apparatus, is linked and packed and matches
Device of air, destructor and data acquisition processing device arrange high-speed digital photography seat in the plane and set, check the line of various parts
Road, and ensure that connection is good, check device air-tightness；
The operation of check device air-tightness is as follows：
1. closing connecting flange, the intake valve of cylindrical detonation container, installation pressure sensor is in pressure sensor interface；
2. opening mating data collecting instrument, pressure sensor parameter has been configured, has clicked the acquisition for proceeding by pressure data；
3. vacuum pump is opened, to carrying out vacuum pumping in detonation container；
4. pressure data continues 30S and do not change in pending data Acquisition Instrument, the power supply of vacuum pump is closed.It observes in data collecting instrument
The variation of pressure data；
5. if pressure data, which continues amplitude of variation in 30S, is no more than 0.0001MP, then it is assumed that container air-tightness is good；
6. on the contrary then reconnect each instrument, step 1-5 operations are re-started；
Three, connection air distributing device conduit is opened the shut-off valve before air inlet and is connected with detonation container in the air inlet on detonation container
Acting flange.It opens distributing instrument on computer and controls program, air option is first adjusted to, by start button using air to the container that detonates
Carry out purge operations about 1min.Stop air inlet, close shut-off valve and closes connecting flange；
Four, mating data collecting instrument is opened, pressure sensor parameter has been configured, clicks the acquisition for proceeding by pressure data.It beats
It performs fighting out shut-off valve, starts vacuum pump and vacuum pumping is carried out to detonation container, so that it is evacuated to negative pressure -0.006MPa, control
It makes each solenoid valve to open, flammable premixed gas body is slowly conveyed into detonation container, the pressure sensor in container starts to receive pressure
Force signal, according to experimental pressure situation, setup pressure value；
Five, cleaning personnel stand experimental provision to safety zone, and flammable premixed gas body is made to be uniformly mixed, subsequent start-up igniting dress
Ignition gas is set, the coherent signal of gas burst characteristic is tested by blast pressure sensor and flame sensor, is put by signal
Big device amplification, and signal is passed into data collecting instrument, acquisition, the processing of data are carried out, the output end of data collecting instrument will be adopted
Collection, the data transmission handled are further processed to computer, analyze, show, and store；The shooting of high-speed digital photography machine is quick-fried
Flame conditions signal data when fried, is transmitted to computer and is further processed, analyzes, shows, and store；
Six, after testing, click data Acquisition Instrument stops key, and stops the acquisition of data, and sweeps experimental field.
The test device of the present invention can change the size of container and types of attachment different each other, and coordinate steam
Guide rail in cloud simulator adjusts vaporous cloud at a distance from venting of dust explosion flame, or different by installing various sizes of membrane analogy
The vaporous cloud of size forms different destructors, is attached with air distributing device, data acquisition and processing unit, passes through peace
Pressure sensor, flame sensor on destructor and high-speed digital photography machine measure each feature locations on container
Gas burst characteristic parameter data：Blast pressure, blast temperature, rate of flame propagation and flame image；By being measured to experiment
Characteristic parameter data carry out system comprehensively analyze and count, turbulent flow, jet flame, blast wave in learning gas blast process
Reflection venting of dust explosion flame is induced with the dynamic characteristics such as energy variation and these features vaporous cloud explosion bursting strength,
The influence of safe distance etc., venting of dust explosion flame explodes for vaporous cloud the change of fall out effect in investigative analysis structure size change procedure
Change, discloses structure of container size and distance, vaporous cloud size, each steam cloud cluster spacing etc. away from vaporous cloud lure venting of dust explosion flame
Send out vaporous cloud explosion influencing mechanism, while can also be drafting it is various under the conditions of venting of dust explosion bursting strength calculation chart basis is provided
Data.The present invention may be that gas venting of dust explosion in engineering, the design of vaporous cloud anti-explosion safety and explosion safety protection provide theory
Support and important evidence.
The beneficial effects of the invention are as follows：
The experimental provision that the venting of dust explosion flame of the present invention induces vaporous cloud explosion is clear in structure rationally, systemic strong, easy to operate, work(
It can powerful, high degree of automation.
1, present invention comprises the container of a series of geometry, size, container can be combined into different structures, point
Fiery position distribution is comprehensive, sensor arrangement comprehensive and reasonable, can study fuel gas letting out under different structure and size condition
Inducing action and vaporous cloud and venting of dust explosion flame distance influence to its inducing action of the dryness-fire flame for vaporous cloud, obtain complete
The experimental data in face；
2, the present invention can be used for studying fuel gas in a reservoir turbulent flow in blast process, jet flame, explosion wave reflection with
Relationship between the dynamic characteristics such as energy variation and gas flowing, blast wave, explosive flame and vaporous cloud explosive parameters；
3, it the present invention influencing mechanism that can be venting of dust explosion flame caused by disclosing the variation such as structure size explode to vaporous cloud and paints
Gas burst venting of dust explosion flame induction vaporous cloud bursting strength calculation chart systematically provides enough under the conditions of making various construction geometries
Basic theory data；
4, it is dangerous to the method can be widely used in Chemical Manufacture flammable gas explosion flame venting of dust explosion under the influence of typical sizes parameter
Analysis, for the venting of dust explosion, antiknock safe design, the generation for preventing particularly serious explosion accident of reaction vessel, brings significant society
With economic benefit.
Description of the drawings
Below with reference to attached drawing, the present invention is further illustrated：
Fig. 1 is the system structure diagram of the present invention；
Fig. 2 is the hydrostatic column structural front view of the present invention；
Fig. 3 is the integrated connection schematic diagram of the present invention；
Fig. 4 is the mating vaporous cloud simulator schematic diagram of the present invention；
Fig. 5 is the mating vaporous cloud base schematic diagram of the present invention.
Specific implementation mode
With reference to attached drawing 1~5, it includes air distributing device, igniter, destructor that venting of dust explosion flame, which induces vaporous cloud Exploding test system,
（Including mating vaporous cloud simulator）, data acquisition and processing unit and high-speed digital photography machine.
The air distributing device includes fuel gas air source 6, distribution air source 7 and distribution tank, the input terminal difference of distribution tank
It is connected with fuel gas air source and distribution air source, the another way output of distribution tank is connected with the input port of destructor.
The igniter 2 includes igniter, and igniter is mounted on destructor, and the igniter uses electrical fire
Spark ignition.According to the difference of igniter installation site, the igniting of different location may be implemented；Not according to entrance container depth
Together, the igniting of two kinds of forms of wall of a container millet cake fire and center fire may be implemented.
The data acquisition processing device include the pressure sensor being mounted on the described cylindrical detonation container 2,
Flame sensor, signal amplifier, data collecting instrument and computer 5 form, and pressure sensor, flame sensor and signal amplify
The input terminal of device is connected, and the output end of signal amplifier is connected with the input terminal of data collector, the output end of data collector
It is connected with computer.
The destructor is mounted between air distributing device and data acquisition processing device, and destructor 3 includes cylinder
Shape priming device 3-1, vaporous cloud simulator 3-2.Cylindrical priming device 3-1 is provided with cylindrical detonation container 3-1-1, circle
It can freely be docked by flange 3-1-6 between cylindricality detonation container 3-1-1.
The vaporous cloud simulator 3-2 includes that can be arbitrarily adjusted guide rail 3-2-1 and thin for installing vaporous cloud
The steel base 3-2-6 of film 3-2-5.The bottoms guide rail 3-2-1 are equipped with hook 3-2-2, convenient and cylindrical priming device 3-1
It is attached and fixes；Steel base 3-2-6 includes 5 various sizes of annular slot 3-2-8, various sizes of for coordinating
Film simulates various sizes of vaporous cloud.The bottoms guide rail 3-2-1 are equipped with holder 3-2-3, and the lower parts holder 3-2-3 are equipped with universal wheel
3-2-4.The annular slot 3-2-8 width be 3mm, depth 5mm, diameter distinguish 100cm, 90cm, 80cm, 70cm,
60cm.（See Fig. 5）
The mating vaporous cloud simulator 3-2 is used to simulate explosive conditions of the vaporous cloud under the induction of venting of dust explosion flame, and leads to
It crosses adjustment vaporous cloud and studies safe distance under various operating modes at a distance from venting of dust explosion flame.
Vaporous cloud film 3-2-5 used in the vaporous cloud simulator 3-2 is hemispherical film 3-2-5, is adopted
With polyvinyl chloride, thickness is 0.05 mm, and diameter has 5 kinds of sizes such as 0.2 m, 0.4 m, 0.6 m, 0.8 m and 1 m.Institute is right
Answer the material of bottom plate for 16Mn steel, corresponding position has igniter installation interface 3-2-9 to be installed with pressure sensor on bottom plate 3-2-6
Interface 3-2-10.There are four pulley 3-2-7 for the installation of the backs bottom plate 3-2-6, can be embedded in track.
The track 3-2-1 is U types, is embedded in for the pedestal 3-2-6 and pulley 3-2-7 of vaporous cloud simulator, from
And adjust the distance between pedestal.The lower parts track 3-2-1 are that the bottoms steel holder 3-2-3, holder 3-2-3 are equipped with dead ten thousand that can stop
To wheel 3-2-4 and lock, to be connected with cylinder detonation container 3-1-1.（See attached drawing 4）
The high-speed digital photography machine is used to shoot flame when flammable gas explosion in container, and camera lens face needs to monitor
The viewing section of position, output end are connected with computer.
There is high intensity Perspex section at the specific position of the cylindrical detonation container 3-1-1, for height
Speed digital video camera shoots flame image when gas burst.Viewing section 3-1- at 5 is shared on cylinder detonation container 3-1-1
8, the upper, middle and lower part of cylindrical detonation container body is located at, at vertical conduit, at horizontal duct.
It is equipped with igniter interface, sensor interface, air inlet/outlet on cylinder detonation container.Cylinder detonation container
There is igniter interface 3-1-9 at 3, is located at the upper, middle and lower 3 of container.Many places igniter interface 3-1-9 may be implemented holding
Device different location is lighted a fire, and research ignition location induces venting of dust explosion flame the influence of vaporous cloud explosion.Sensor includes pressure sensing
Device and flame sensor.The feature locations of container and vaporous cloud simulator are evenly equipped with sensor interface, may be implemented to explosion
The systematicness monitoring of flammable gas explosion characteristic at device characteristic position.Feature locations include：Extraction catheter and container junction
Cylinder detonation container shoulder, cylindrical detonation upper vessel portion and lower part left, center, right three parts flange center closed at both ends, steam
Two parts in front of cloud rear.Cycle of the air inlet/outlet for the flammable premixed gas of charge and discharge, container purging and premixed gas, uses
Bottom in and top out or the left circulation pattern gone out into the right side, ensure that fuel gas is uniformly mixed.
With reference to attached drawing 1, the air distributing device include fuel gas air source 6, distribution air source 7, distribution tank, solenoid valve 1,
Solenoid valve 29, solenoid valve 3 12, solenoid valve 4 16, flowmeter 10, cooling gas check valve 11, constant-current controller 13, pressure switch
14, shut-off valve 1, shut-off valve 2 15 and vacuum pump 1.The distribution air source is pure air.The fuel gas air source
Using methane, propane, ethylene and liquefied gas etc..Fuel gas air source, distribution air source pass through solenoid valve 1, solenoid valve two respectively
9, flowmeter 10, cooling gas check valve 11 are connected with solenoid valve 3 12, are controlled by constant-current controller 13, pressure switch 14 after mixing
System is sent into the further distribution mixing of distribution tank, opens shut-off valve 2 15, starts vacuum pump, and the cylindrical detonation of destructor is held
Air in device makes to form negative pressure state in the container of destructor, closes shut-off valve 2 15 by the suction of vacuum pump 1, exhaust,
It opens shut-off valve 1, control programmable controller control opening solenoid valve 4 16 by control room, fuel gas in distribution tank
Setting pressure is reached into the container of destructor with air gas mixture, PLC technology is controlled by control room
Device control closes solenoid valve 4 16, closes shut-off valve 1, and destructor can enter igniting Exploding test program in next step.It is described
Constant-current controller 13 use commercially available constant-current controller.The pressure switch 14 uses commercially available pressure switch.
With reference to attached drawing 2, the cylindrical priming device 3-1 of the destructor is provided with air inlet 3-1-2, gas outlet 3-
1-3, igniter interface 3-1-9, pressure sensor interface 3-1-4,3-1-12, flame sensor interface 3-1-13, air inlet 3-
1-2 is connected by shut-off valve with air distributing device, and igniter interface 3-1-9 is equipped with igniter, pressure sensor interface 3-1-4,
Pressure sensor is installed, cylindrical priming device 3-1 can be freely right by connecting tube 3-1-7 and flange 3-1-6 in 3-1-12
It connects.It is provided with viewing section 3-1-8 on cylinder detonation container 3-1-1.Cylinder detonation container 3-1-1, which is mounted on, stablizes steelframe
3-1-10 is supported, and universal wheel 3-1-11, the intercombination of convenient container are housed stablizing the lower parts steelframe 3-1-10.The cylinder
Shape detonation container 3-1-1 is equipped with pressure gauge 3-1-5, may indicate that pressure in cylindrical detonation container 3-1-1.
It is used below cylinder detonation container 3-1-1 and stablizes steelframe support 3-1-10, and universal wheel 3-1-11 is installed, it is convenient
The intercombination of container.Steelframe bottom installation hook, can link up with the bottoms guide rail 3-2-1 in vaporous cloud simulator 3-2
It is connected, facilitates the intercombination of the two.
With reference to attached drawing 3, in the vaporous cloud simulator and cylindrical priming device connection diagram, cylinder detonation dress
3-1 is set to link by the hook 3-2-2 and vaporous cloud simulator 3-2 on bottom bracket.Stream oriented device bottom is equipped with universal wheel,
Vaporous cloud simulator 3-2 is mainly made of guide rail 3-2-1, pedestal 3-2-6 and film 3-2-5.
The igniter, the igniter are high-energy electronic igniter（Model：XDH-6L）, ignition energy 6J,
This device speed of ignition is fast, easy to operate.By the burning torch of customized different length, may be implemented in a reservoir the heart igniting and
Wall surface is lighted a fire.
The high-speed digital photography machine, the high-speed digital photography machine image acquisition device（Model：Phantom V7.3）
Phantom V7.3）Highest resolution@capture rates：800 × 600@6688 frames/second；Highest capture rate@resolution ratio：
190476 frames //@32 × 8；The minimum exposure time：2μs；Pixel number：480000；Communication interface：Gigabit Ethernet；Sensitivity
（ISO-12232 SAT）：4800（Black and white）；1200（It is colored）；Camera lens：Nikon AF Zoom 80-200mm f/2.8D ED；It is soft
Part triggers；Frame synchronization：Independent FSYNC BNC synchronous ports, support internal clock source, external clock reference, IRIG-8 timing codes and
Phase shift IRIG-B.
Data acquisition processing device 4, the data acquisition device are mainly passed by the pressure in the destructor 3
Sensor, flame sensor, signal amplification circuit, data collecting instrument and computer 5 form, pressure sensor and flame sensor with
The input terminal of signal amplification circuit is connected, and the output end of signal amplification circuit is connected with the input terminal of data collecting instrument, and data are adopted
The output end of collection instrument is connected with computer.Flame flow field picture of exploding in destructor is shot by high-speed digital photography machine simultaneously,
The output end of high-speed digital photography machine is connected with computer.
The pressure sensor uses high-frequency pressure transmitter（Model：HM90-H3-2）.The flame sensor is adopted
With CKG100 flame sensors.Described is 16 with high-frequency pressure transmitter, the matching used data collecting instrument of flame sensor
The DEWESoftTM type data collecting instruments in channel, sampling rate for each channel are 200 kS/s, resolution ratio 24-bit.The Acquisition Instrument
Software kit is X2 editions analysis softwares of DEWESoft.The signal amplifier uses XAS type transducer signal amplifiers.Institute
The computer stated uses Hewlett-Packard（HP）Z240SFF(W1Y28PA).
The input terminal of the distribution tank is connected with the output end of distributing instrument (model can be GH-1), the input terminal of distributing instrument
It is connected respectively with fuel gas air source and distribution air source.
The distribution air source 7 is pure air.The fuel gas air source 6 is using methane, propane, ethylene and liquefaction
Gas etc..
Each device, in addition to interior shape, size are different, external connections can freely be connected by standard flange
It connects.
The present invention is further illustrated with example below in conjunction with the accompanying drawings.
A kind of research venting of dust explosion flame induces the test system of vaporous cloud explosion, it is mainly by air distributing device, destructor, point
Fiery device, high-speed digital photography machine, data acquisition processing device and vaporous cloud simulator and its mating track composition, as schemed institute
Show.
Air distributing device therein（As shown in the figure）Including distribution tank, the input terminal of distribution tank respectively with fuel gas air source
（Gas cylinder can be used or be directly connected with gas generating unit）And distribution air source（Can be pure air or other inert gases）Phase
Even, for the distribution for accurately controlling fuel gas Yu being matched（Air）Combined amount, one can be installed before the input terminal of distribution tank
A distributing instrument (model can be GH-1), the input terminal of distributing instrument is connected with fuel gas air source and distribution air source respectively, specific real
Can also be required to install on gas-distribution pipe road according to control when applying the electric control elements such as corresponding flowmeter, electric-air valve, check valve with
Improve the automatization level of control.
The inlet end of destructor is connected with distributing instrument outlet side, and intake valve is closed after inflation, opens air circulation
Pump makes flammable premixed gas be uniformly mixed.Each sensor accesses corresponding position, is connected in controller, sensor interface does not use
When be sealed using bolt.Container uses flanged joint each other.
Since the present invention is the test device studied venting of dust explosion flame and induce vaporous cloud explosion, the present invention is by testing
The dismountable of container, track in system, can complete two-part research：Venting of dust explosion flame induces the influence of single vaporous cloud explosion
Factor induces the influence factor of multiple vaporous cloud explosions with venting of dust explosion flame.The research of these two aspects mainly considers that hydrostatic column is long
Diameter is than variation, the container variation taken over, vaporous cloud and venting of dust explosion flame distance, is filled with gaseous species, spacing between multiple vaporous clouds
Such as how factor.
The test device of the present invention can change the size of container and types of attachment different each other, and coordinate steam
Guide rail in cloud simulator adjusts vaporous cloud at a distance from venting of dust explosion flame, or different by installing various sizes of membrane analogy
The vaporous cloud of size forms different destructors, is attached with air distributing device, data acquisition and processing unit, passes through peace
Pressure sensor, flame sensor on destructor and high-speed digital photography machine measure each feature locations on container
Gas burst characteristic parameter data：Blast pressure, blast temperature, rate of flame propagation and flame image；By being measured to experiment
Characteristic parameter data carry out system comprehensively analyze and count, turbulent flow, jet flame, blast wave in learning gas blast process
Reflection venting of dust explosion flame is induced with the dynamic characteristics such as energy variation and these features vaporous cloud explosion bursting strength,
The influence of safe distance etc., venting of dust explosion flame explodes for vaporous cloud the change of fall out effect in investigative analysis structure size change procedure
Change, discloses structure of container size and distance, vaporous cloud size, each steam cloud cluster spacing etc. away from vaporous cloud lure venting of dust explosion flame
Send out the influencing mechanism of vaporous cloud explosion.
Specific analytical method
By above-mentioned specific testing scheme, different location in container can be obtained in different structure size under the conditions of different igniting
Gas burst characteristic parameter data.The data measured by systematically analyzing experiment disclose dimensional effect to gas burst spy
The affecting laws and mechanism of property.
When analysis calculates gas burst characteristic parameter data, the main procedure parameter including in explosion wave communication process
And characteristic parameter.
The test method that venting of dust explosion flame induces the test system of vaporous cloud explosion is as follows：
The experiment of the present invention, test operating procedure are：
One, structure type, the size of destructor are determined according to experiment needs first, selects suitable detonation container, vaporous cloud
The size of film is combined；
Two, vaporous cloud Exploding test system is induced according to Fig. 1 venting of dust explosion flames, assembles destructor and laboratory apparatus, is linked and packed
Good air distributing device, destructor and data acquisition processing device arrange high-speed digital photography seat in the plane and set, check various parts
Circuit, and ensure that connection is good, check device air-tightness；
The operation of check device air-tightness is as follows：
1, connecting flange 3-1-6, the intake valve 3-1-2 of cylindrical detonation container are closed, installation pressure sensor is in pressure sensing
In device interface 3-1-4 or 3-1-12；
2, mating data collecting instrument is opened, pressure sensor parameter has been configured, clicks the acquisition for proceeding by pressure data；
3, vacuum pump 1 is opened, to carrying out vacuum pumping in detonation container 3-1-1；
4, when pressure data continues 30S and do not change in pending data Acquisition Instrument, the power supply of vacuum pump 1 is closed.Observe data collecting instrument
The variation of middle pressure data；
If 5, pressure data continues in 30S amplitude of variation and is no more than 0.0001MP, then it is assumed that container air-tightness is good；
6, otherwise each instrument is then reconnected, re-starts step 1-5 operations；
Three, connection air distributing device conduit opens the shut-off valve 17 before air inlet in the air inlet 3-1-2 on detonation container 3-1-1
With detonation container connecting flange 3-1-6.It opens distributing instrument on computer and controls program, air option is first adjusted to, by start button
Purge operations about 1min is carried out to detonation container using air.Stop air inlet, close shut-off valve 17 and closes connecting flange
3-1-6；
Four, mating data collecting instrument is opened, pressure sensor parameter has been configured, clicks the acquisition for proceeding by pressure data.It beats
It performs fighting out shut-off valve 15, starts vacuum pump 1 and vacuum pumping is carried out to detonation container 3-1-1, it is made to be evacuated to negative pressure-
0.006MPa controls each solenoid valve and opens, and flammable premixed gas body, the pressure in container are slowly conveyed into detonation container 3-1-1
Sensor starts to receive pressure signal, according to experimental pressure situation, setup pressure value；
Five, cleaning personnel stand experimental provision to safety zone, and flammable premixed gas body is made to be uniformly mixed, subsequent start-up igniting dress
2 ignition gases are set, the coherent signal of gas burst characteristic is tested by blast pressure sensor and flame sensor, is put by signal
Big device amplification, and signal is passed into data collecting instrument, acquisition, the processing of data are carried out, the output end of data collecting instrument will be adopted
Collection, the data transmission handled are further processed to computer, analyze, show, and store；The shooting of high-speed digital photography machine is quick-fried
Flame conditions signal data when fried, is transmitted to computer and is further processed, analyzes, shows, and store；
Six, after testing, click data Acquisition Instrument stops key, and stops the acquisition of data, and sweeps experimental field.
Destructor of the present invention is characterized in that container, the structure snd size system of mating vaporous cloud simulator are comprehensive,
Fuel gas can be systematically realized to explode in the connection container that container and container form, induced for studying venting of dust explosion flame
The influence factor of vaporous cloud explosion.Structure of the invention comprehensive system, operability is good, and high degree of automation solves combustibility
The problem of gas dimensional effect system research, to disclose turbulent flow in gas explosion process, jet flame, explosion wave reflection and energy
The dynamic characteristics such as variation and these features induce venting of dust explosion flame bursting strength, the safe distance etc. of vaporous cloud explosion
Influence, venting of dust explosion flame carries while the change system of fall out effect is exploded for vaporous cloud in investigative analysis structure size change procedure
For enough basic theory data.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (10)
1. a kind of venting of dust explosion flame induces vaporous cloud Exploding test system, which is characterized in that including air distributing device, igniter, quick-fried
Explosion unit, data acquisition processing device, high-speed digital photography machine and mating vaporous cloud simulator；
The air distributing device includes fuel gas air source, distribution air source and distribution tank, the input terminal of distribution tank respectively with it is flammable
Gas source and distribution air source are connected, and the another way output of distribution tank is connected with the input port of destructor；
The igniter includes igniter, and igniter is mounted on destructor, according to the difference of igniter installation site,
It can realize the igniting of different location；According to the difference for entering container depth, wall of a container millet cake fire and center fire two can be realized
The igniting of kind form；
The data acquisition processing device includes the pressure sensor being mounted on the hydrostatic column, flame sensing
Device, signal amplification circuit, data collecting instrument, computer and pressure sensor；The input terminal of flame sensor and signal amplifier
It is connected, the output end of signal amplifier is connected with the input terminal of data collecting instrument, output end and the computer phase of data collecting instrument
Even；
The destructor is mounted between air distributing device and data acquisition processing device, and destructor includes hydrostatic column
And spherical container, it can freely be docked by flange between container；
The high-speed digital photography machine is used to shoot flame when flammable gas explosion in container, high-speed digital photography machine camera lens
Face needs to monitor the viewing section of position, and high-speed digital photography machine output end is connected with computer；
The vaporous cloud simulator includes that can be arbitrarily adjusted guide rail and the steel base for installing vaporous cloud film,
The guide rail bottom is equipped with hook, convenient to be attached and fix with destructor；Steel base includes various sizes of card slot,
Various sizes of vaporous cloud is simulated for coordinating various sizes of film.
2. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that described
There are many dimensions for hydrostatic column, for carrying out venting of dust explosion characteristic of the fuel gas in the container of different sizes or shape
And its research of the fall out effect to vaporous cloud explosion.
3. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that described
The various pieces of destructor are attached combination, from structure and shape by changing container and mutual connection structure
Size and the three aspect research venting of dust explosion flames induction vaporous cloud explosion at a distance from vaporous cloud.
4. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that described
Hydrostatic column is according to draw ratio（The ratio between length and internal diameter）Respectively 2:1 and 1:1 two kinds；Draw ratio is 2:1 cylinder describes
Body product is 11L -113L, and preferred volume is respectively：11L、55L、113L；The ratio between length and internal diameter are 1：1 hydrostatic column
Volume is 11L -113L, and preferred volume is respectively：11L、55L、113L.
5. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that described
Container is provided with high intensity Perspex section, flame image when for the shooting gas burst of high-speed digital photography machine.
6. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that cylindrical
Viewing section at 5 is shared on container, is located at the upper, middle and lower part of hydrostatic column main body, at vertical conduit, horizontal duct
Place.
7. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that in container
On be equipped with igniter interface, sensor interface and air inlet/outlet.
8. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that cylindrical
It is used below container and stablizes steelframe support, and universal wheel is installed, the intercombination of convenient container；
Steelframe bottom installation hook, can link up with the guide rail bottom in vaporous cloud simulator and be connected, facilitate the mutual of the two
Combination.
9. a kind of venting of dust explosion flame according to claim 1 induces vaporous cloud Exploding test system, which is characterized in that described
Vaporous cloud simulator used in hemispherical film be polyvinyl chloride, thickness is 0.05 mm, diameter have 0.2 m,
5 kinds of 0.4 m, 0.6 m, 0.8 m and 1 m sizes, the material of corresponding bottom plate are 16Mn steel, and there is igniting in corresponding position on bottom plate
The installation interface of device and pressure sensor, bottom plate back are installed there are four pulley, in embedded track.
10. a kind of venting of dust explosion flame described in claim 1 induces the test method of vaporous cloud Exploding test system, feature exists
In：
One, structure type, the size of destructor are determined according to experiment needs first, selects suitable detonation container, vaporous cloud
The size of film is combined；
Two, vaporous cloud Exploding test system is induced according to venting of dust explosion flame, assembles destructor and laboratory apparatus, is linked and packed and matches
Device of air, destructor and data acquisition processing device arrange high-speed digital photography seat in the plane and set, check the line of various parts
Road, and ensure that connection is good, check device air-tightness；
The operation of check device air-tightness is as follows：
(1) connecting flange, the intake valve of cylindrical detonation container are closed, installation pressure sensor is in pressure sensor interface；
(2) mating data collecting instrument is opened, pressure sensor parameter has been configured, clicks the acquisition for proceeding by pressure data；
(3) vacuum pump is opened, to carrying out vacuum pumping in detonation container；
(4) when pressure data continues 30S and do not change in pending data Acquisition Instrument, the power supply of vacuum pump is closed, observes data collecting instrument
The variation of middle pressure data；
(5) if pressure data continues amplitude of variation in 30S and is no more than 0.0001MP, then it is assumed that container air-tightness is good；
(6) otherwise each instrument is then reconnected, re-starts step 1-5 operations；
Three, connection air distributing device conduit is opened the shut-off valve before air inlet and is connected with detonation container in the air inlet on detonation container
Acting flange opens distributing instrument on computer and controls program, air option is first adjusted to, by start button using air to the container that detonates
Purge operations about 1min is carried out, air inlet is stopped, closing shut-off valve and closes connecting flange；
Four, mating data collecting instrument is opened, pressure sensor parameter has been configured, the acquisition for proceeding by pressure data is clicked, beats
It performs fighting out shut-off valve, starts vacuum pump and vacuum pumping is carried out to detonation container, so that it is evacuated to negative pressure -0.006MPa, control
It makes each solenoid valve to open, flammable premixed gas body is slowly conveyed into detonation container, the pressure sensor in container starts to receive pressure
Force signal, according to experimental pressure situation, setup pressure value；
Five, cleaning personnel stand experimental provision to safety zone, and flammable premixed gas body is made to be uniformly mixed, subsequent start-up igniting dress
Ignition gas is set, the coherent signal of gas burst characteristic is tested by blast pressure sensor and flame sensor, is put by signal
Big device amplification, and signal is passed into data collecting instrument, acquisition, the processing of data are carried out, the output end of data collecting instrument will be adopted
Collection, the data transmission handled are further processed to computer, analyze, show, and store；The shooting of high-speed digital photography machine is quick-fried
Flame conditions signal data when fried, is transmitted to computer and is further processed, analyzes, shows, and store；
Six, after testing, click data Acquisition Instrument stops key, and stops the acquisition of data, and sweeps experimental field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876503.3A CN108627404B (en) | 2018-08-03 | 2018-08-03 | System and method for testing explosion venting flame induced vapor cloud explosion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810876503.3A CN108627404B (en) | 2018-08-03 | 2018-08-03 | System and method for testing explosion venting flame induced vapor cloud explosion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108627404A true CN108627404A (en) | 2018-10-09 |
| CN108627404B CN108627404B (en) | 2023-08-22 |
Family
ID=63689159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810876503.3A Active CN108627404B (en) | 2018-08-03 | 2018-08-03 | System and method for testing explosion venting flame induced vapor cloud explosion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108627404B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827996A (en) * | 2019-03-26 | 2019-05-31 | 北京石油化工学院 | Sewage network flammable gas explosion communication process test device and method |
| CN111678947A (en) * | 2020-07-26 | 2020-09-18 | 宁波工程学院 | Design and application of combustible gas deflagration discharge experimental device |
| CN112729887A (en) * | 2020-12-28 | 2021-04-30 | 董德武 | Safety protection equipment for explosion test |
| CN113092529A (en) * | 2021-04-02 | 2021-07-09 | 东北大学 | Gas distribution device and method for protecting explosion venting film based on pressure balance principle |
| CN115406640A (en) * | 2022-08-26 | 2022-11-29 | 中国辐射防护研究院 | Filter explosion damage simulation device and method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866003A (en) * | 2006-05-26 | 2006-11-22 | 南京工业大学 | Multifunctional gas explosion experiment system |
| CN101726571A (en) * | 2008-10-24 | 2010-06-09 | 中国石油天然气集团公司 | Deflagration experimental method and device for gas cloud with concentration gradient in open space |
| CN102879429A (en) * | 2012-10-11 | 2013-01-16 | 南京工业大学 | Testing system for gas explosion characteristic size effect |
| 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 |
| CN103616491A (en) * | 2013-11-07 | 2014-03-05 | 安徽理工大学 | Gas and dust mixed explosion simulation testing device |
| CN203465230U (en) * | 2013-09-23 | 2014-03-05 | 中国科学技术大学 | Test device for flame propagation and inhibition in explosion process of combustible gas and air premixed gas |
| US20150238791A1 (en) * | 2012-11-14 | 2015-08-27 | Total Raffinage Chimie | Mitigation of vapor cloud explosion by chemical inhibition |
| CN206804567U (en) * | 2017-06-09 | 2017-12-26 | 西安科技大学 | Hot loose coal body induces flammable explosion hazard gases blast coupling test device |
| CN107870180A (en) * | 2018-01-10 | 2018-04-03 | 南京工业大学 | The test system of gas burst feature structure effect |
| CN208621438U (en) * | 2018-08-03 | 2019-03-19 | 南京工业大学 | Venting of dust explosion flame induces the test macro of vaporous cloud explosion |
-
2018
- 2018-08-03 CN CN201810876503.3A patent/CN108627404B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1866003A (en) * | 2006-05-26 | 2006-11-22 | 南京工业大学 | Multifunctional gas explosion experiment system |
| CN101726571A (en) * | 2008-10-24 | 2010-06-09 | 中国石油天然气集团公司 | Deflagration experimental method and device for gas cloud with concentration gradient in open space |
| CN102879429A (en) * | 2012-10-11 | 2013-01-16 | 南京工业大学 | Testing system for gas explosion characteristic size effect |
| US20150238791A1 (en) * | 2012-11-14 | 2015-08-27 | Total Raffinage Chimie | Mitigation of vapor cloud explosion by chemical inhibition |
| 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 |
| CN203465230U (en) * | 2013-09-23 | 2014-03-05 | 中国科学技术大学 | Test device for flame propagation and inhibition in explosion process of combustible gas and air premixed gas |
| CN103616491A (en) * | 2013-11-07 | 2014-03-05 | 安徽理工大学 | Gas and dust mixed explosion simulation testing device |
| CN206804567U (en) * | 2017-06-09 | 2017-12-26 | 西安科技大学 | Hot loose coal body induces flammable explosion hazard gases blast coupling test device |
| CN107870180A (en) * | 2018-01-10 | 2018-04-03 | 南京工业大学 | The test system of gas burst feature structure effect |
| CN208621438U (en) * | 2018-08-03 | 2019-03-19 | 南京工业大学 | Venting of dust explosion flame induces the test macro of vaporous cloud explosion |
Non-Patent Citations (2)
| Title |
|---|
| 周宁;张冰冰;孙权;冯磊;魏钰人;赵会军;: "气相爆轰实验系统设计", 工业安全与环保, no. 01, pages 44 - 47 * |
| 黄甄;陈先锋;董利辉;李振;: "工业容器气体泄爆实验研究", 煤炭学报, no. 2, pages 388 - 392 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827996A (en) * | 2019-03-26 | 2019-05-31 | 北京石油化工学院 | Sewage network flammable gas explosion communication process test device and method |
| CN111678947A (en) * | 2020-07-26 | 2020-09-18 | 宁波工程学院 | Design and application of combustible gas deflagration discharge experimental device |
| CN112729887A (en) * | 2020-12-28 | 2021-04-30 | 董德武 | Safety protection equipment for explosion test |
| CN112729887B (en) * | 2020-12-28 | 2023-03-31 | 广东南虹化工有限公司 | Safety protection device for explosion test |
| CN113092529A (en) * | 2021-04-02 | 2021-07-09 | 东北大学 | Gas distribution device and method for protecting explosion venting film based on pressure balance principle |
| CN115406640A (en) * | 2022-08-26 | 2022-11-29 | 中国辐射防护研究院 | Filter explosion damage simulation device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108627404B (en) | 2023-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108627404A (en) | Venting of dust explosion flame induces the test system and its test method of vaporous cloud explosion | |
| CN102879429B (en) | Testing system for gas explosion characteristic size effect | |
| CN202870016U (en) | Test system for size effect of gas explosion characteristics | |
| CN108593837A (en) | A kind of solid propellant high-pressure combustion characterisitic parameter measuring apparatus with observation window | |
| CN106248733B (en) | A kind of more form multifunctional gas, the datonation-inhibition experimental system of dust explosion | |
| CN103454308B (en) | A kind of combustible gas and air pre-mixing gas explosion process Flame Propagation and the experimental rig of suppression | |
| CN103604833B (en) | A kind of Character of Coal Dust Explosion pilot system and method | |
| CN106093283B (en) | A kind of test method and device of Fast Evaluation lithium battery fire fire fighting with fire extinguisher performance | |
| CN208621438U (en) | Venting of dust explosion flame induces the test macro of vaporous cloud explosion | |
| CN107870180A (en) | The test system of gas burst feature structure effect | |
| CN108535320A (en) | The experimental system that goaf coal spontaneous combustion induces gas and coal dust list, repeatedly explodes | |
| CN206960395U (en) | A kind of dynamic blast absolute rating measure device of duct type fuel gas | |
| CN108802100A (en) | A kind of flammable gas explosion experimental provision and application method with concentration gradient | |
| CN112666309A (en) | High-pressure combustor experimental system and visual high-pressure combustor | |
| CN102879427A (en) | Multifunctional testing system for suppressing explosion of flammable gas by water mist and testing method implementing same | |
| CN108318254B (en) | A kind of device and method that Free propagation flame is influenced for measuring sound wave | |
| CN101876655B (en) | Gas inflammability tester | |
| CN106093779B (en) | The detection device and method of environmental parameter during a kind of lithium ion battery explosion | |
| CN103592332B (en) | Airbag external-pressurization type mixed gas blasting determination apparatus | |
| CN108426917A (en) | A kind of wide open space vaporous cloud explosion chain reaction test system and its test method | |
| CN111982760B (en) | Detonation wave loading experimental device | |
| RU2758412C1 (en) | Unit for gas dynamic testing | |
| CN214539358U (en) | High-temperature high-pressure explosion limit tester | |
| CN206114573U (en) | Multi -functional gas of many windows, datonation -inhibition experimental system of dust explosion | |
| CN107356632A (en) | The experimental provision that externally-applied magnetic field influences on premixed gas explosive characteristic |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |