CN107870180A - Testing system for gas explosion characteristic structure effect - Google Patents
Testing system for gas explosion characteristic structure effect Download PDFInfo
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- CN107870180A CN107870180A CN201810023388.5A CN201810023388A CN107870180A CN 107870180 A CN107870180 A CN 107870180A CN 201810023388 A CN201810023388 A CN 201810023388A CN 107870180 A CN107870180 A CN 107870180A
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- 230000000694 effects Effects 0.000 title claims abstract description 35
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000004880 explosion Methods 0.000 title claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 29
- 239000011521 glass Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 92
- 230000002706 hydrostatic effect Effects 0.000 claims description 26
- 239000002737 fuel gas Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 2
- 239000001294 propane Substances 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 3
- 230000005476 size effect Effects 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004926 polymethyl methacrylate Substances 0.000 description 4
- 229920005479 Lucite® Polymers 0.000 description 3
- 239000008246 gaseous mixture Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 229920005439 Perspex® Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012611 container material Substances 0.000 description 1
- 230000034994 death Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/50—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility
- G01N25/54—Investigating or analyzing materials by the use of thermal means by investigating flash-point; by investigating explosibility by determining explosibility
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a test system for gas explosion characteristic structure effect, in particular to a test system for researching gas explosion characteristic size effect, which can systematically research and communicate gas explosion propagation characteristics and rules in a container, provide data support for industrial production and safety design of equipment, and has important significance for preventing gas explosion accidents. The device comprises a gas distribution system, an ignition device, an explosion device, a data acquisition and analysis device and a high-speed digital camera; the explosion device comprises a container and a pipeline, wherein the container and the pipeline are butted through a flange; the container is provided with a first air inlet/outlet, a first ignition gun mounting port, a first high-frequency pressure sensor mounting port, a first flame sensor mounting port, a first temperature sensor mounting port, a first pressure gauge mounting port and an organic glass observation window; the data acquisition and analysis device comprises a high-frequency pressure transmitter, a temperature sensor, a flame sensor, a signal amplifier, a data acquisition instrument and a computer.
Description
Technical field
It is quick-fried more particularly, to a kind of learning gas the present invention relates to a kind of test system of gas burst feature structure effect
The test system of fried characteristic dimension effect, based on test system of the present invention can more systematic research connection gas in container it is quick-fried
Fried propagation characteristic and rule, the safe design for industrial production and equipment provide data supporting, the prevention to gas burst accident
It is significant.
Background technology
In industrial processes, the situation that hydrostatic column and pipeline are used singly or in combination is extremely widespread,
If runaway reaction, routine monitoring careless omission, container, pipeline existing defects, may trigger the accidents such as fire explosion, cause personnel
Injures and deaths, property loss and environmental disruption.During different process, with container shapes, the change of pipe shape, reactor and pipe
Pipeline connecting structure is often also different, if accident occurs, caused by consequence also can be different.In engineering, gas or dust explosion
The phenomenon that characteristic changes and changed with the shape of container, reactor and pipe connecting structure form is referred to as the knot of gas burst characteristic
Structure effect.
At present, countries in the world to container or gas in pipelines blast has carried out more systematic research, study mainly for
The influence of barrier, blast process rule, the quick-fried source property of gas etc. to blast process under specific geometrical condition, and for
The research of connection gas in container detonation configuration effect is less, and the research of connection gas in container detonation configuration effect is to change at present
One of construction equipment safe design problem urgently to be resolved hurrily.From the point of view of gas burst present Research, the research object of domestic and foreign scholars
It is single pipeline or container mostly, and focuses mostly in pressure test.Some scholars also have involved to the structure effect for connecting container
And but study not deep enough.Though gas burst has been studied for many years, propagation rule of the current fuel gas under various different operating modes
Rule still has many problems.Conventional conclusion does not explain gas burst mechanism and affecting laws under different operating modes clearly.
Some scholars are found by studying, and attenuation effect can be produced when gas burst ripple is propagated in the duct.In addition, with long straight pipeline not
Together, when gas burst is propagated in the pipeline of variable cross-section, it, which changes front and rear air turbulence degree, to be changed, this can produce compared with
Big blast pressure change, i.e., pressure accumulated effect.If blast occurs in crooked pipeline can also produce corner-turning effect.At present
Be commonly used to instruct pressure vessels for the chemical industry safe design mainly has traditional theory computation model, experimental data, analogue data etc., but all neglects
Influence of the structure to connection gas in container blast is omited.
Therefore, development is a set of to carry out various structures condition with the test system of system research gas burst dimensional effect
The research of lower gas burst propagation characteristic and rule, the mechanism of production of gas burst structure effect is disclosed, it is strong to find gas burst
The structure effect affecting laws of degree, the problems such as establishing accurate gas burst Model To Describe Strength of Blended, are urgently to be resolved hurrily.
The content of the invention
The present invention seeks to can not systematically study a series of shapes for existing flammable gas explosion characteristic test device
The structure effect of the blast characteristics of fuel gas and blast characteristics under shape structural condition, result of study are existing without extensive use property
There is the research made under experiment test system can not solve the problems such as actual condition, there is provided a kind of gas burst feature structure effect
Test system, the test system can be with system comprehensively learning gas blast characteristics structure effect.
The purpose of the present invention is achieved through the following technical solutions：
A kind of test system of gas burst feature structure effect includes air distribution system, igniter, destructor, data acquisition
Analytical equipment and high-speed digital photography machine.
Described destructor includes container and/or pipeline, is docked between container and pipeline by flange；Described container
Provided with the first entry/exit gas port, at least one first burning torch installing port, the first high-frequency pressure sensor installing port, the first flame
Sensor installation port, the first temperature sensor installing port, first pressure table installing port, at least one first Perspex
Window；Described pipeline is provided with the second entry/exit gas port, at least one second burning torch installing port, the second high-frequency pressure sensor peace
Fill mouth, the second flame sensor installing port, second temperature sensor installing port, at least one second organic glass observation window；
Described equipment data acquisition analyzing includes high-frequency pressure transmitter, temperature sensor, flame sensor, signal amplification
Device, data collecting instrument and computer；Described high-frequency pressure transmitter, temperature sensor and flame sensor is separately mounted to hold
Corresponding to device and/or pipeline in installing port；Described high-frequency pressure transmitter, temperature sensor and flame sensor is respectively through letter
Number amplifier is connected with data collecting instrument, and the output end of data collecting instrument is connected with computer.
The camera lens face organic glass observation window of described high-speed digital photography machine, for shooting in container and/or pipeline
Flame image during flammable gas explosion, the signal output part of high-speed digital photography machine are connected with computer.
Described air distribution system is by distributing instrument, distribution control cabinet, air compressor machine, fuel gas source of the gas, vavuum pump and distribution gas
Source is formed；The output end of described fuel gas source of the gas is connected with an input of distributing instrument, described distribution source of the gas it is defeated
Go out end with another input of distributing instrument to be connected；Distributing instrument is connected with distribution control cabinet by signal wires；Described distribution
The output end of instrument and the gas input port of destructor（The entry/exit gas port of container and/or pipeline）It is connected.Air distribution system main frame is
It is attached by private cable, and in order to control the flow of gas, employs the higher mass flow control of precision
Device is monitored in real time, air distribution system is realized scientific and automation.The operation interface of distribution focuses primarily upon computer
Client.
Described distribution source of the gas is pure air, is produced by air compressor machine；Described fuel gas can use methane, propane,
Hydrogen etc..
Described igniter is made up of igniter and burning torch, is carried out between igniter and burning torch by high-tension cable
Connection；Burning torch is arranged on the burning torch installing port of destructor.
Described high-speed digital photography machine highest resolution@capture rates：800 × 600@6688 frames/second；Highest is shot
Speed@resolution ratio：190476 frames //@32 × 8；The minimum exposure time：2μs；Pixel count：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 synchronization：Independent FSYNC BNC synchronous ports, support internal clock source, external clock reference,
IRIG-8 timing codes and phase shift IRIG-B.
First, second described burning torch installing port, first, second high-frequency pressure sensor installing port, first, second fire
Flame sensor installation port, first, second temperature sensor installing port and first, second pressure gauge installing port are screw thread mouth.Skill
Art personnel can need to adjust burning torch, high-frequency pressure sensor, flame sensor, temperature sensor and pressure gauge according to experiment
Installation site.
Described container bottom is provided with first support, and described pipeline is provided with second support, first support and second support
It is separately installed with concealed universal wheel.Described first support and second support support for steelframe.
Described container is spherical container or hydrostatic column.Container is in addition to shape is different, container volume size and inside
The factor all same such as structure, container material quality.
Two sections of flanged (FLGD) horizontal ducts are provided with the middle part of described hydrostatic column.Described hydrostatic column top,
In the middle part of side wall and bottom is respectively equipped with 1 the first burning torch installing port, and burning torch is arranged on to the diverse location of container, can be achieved
The igniting of diverse location；Burning torch has different lengths, according to the difference of burning torch length, it is possible to achieve wall in container or
Novel interior ignition.The first entry/exit gas port, pressure gauge installing port are provided with the bottom of hydrostatic column, the first high frequency is provided with top
Pressure transmitter installing port, the first flame sensor installing port, the first temperature sensor installing port；In described hydrostatic column
The first organic glass observation window is respectively equipped with the centre position of side wall and two horizontal ducts；It is provided with pressure gauge installing port
Pressure gauge is used to monitor the gas pressure in hydrostatic column.
Described spherical container is diametrically respectively equipped with one section of flanged (FLGD) horizontal duct and one section flanged (FLGD) perpendicular
Straight catheter；Described spherical container is respectively equipped with 2 the first burning torch installing ports, the first entry/exit gas port, the first high-frequency pressure and become
Send device installing port, the first flame sensor installing port, the first temperature sensor installing port and first pressure table installing port；Wherein,
Respectively on spherical container shoulder and horizontal duct, the first entry/exit gas port is located under spherical container first burning torch installing port
Portion；Along horizontal diameter the first organic glass observation window is respectively equipped with the middle part of spherical container and horizontal duct, vertical conduit.
Described pipeline is linear pipeline, cross pipe, T-shaped pipe, Y-shaped pipeline, bending pipeline；In described pipeline
Side is provided with flange.Pipeline is in addition to shape and structure is different, the other factors all same such as sectional area.
Intake valve is mounted at all entry/exit gas port ends, the outlet that enters of gas is can control by intake valve, ensures device
Air-tightness.
Linear pattern pipeline is provided with observation panel at 3, respectively positioned at the both ends of pipeline and centre position.
Described cross pipeline is provided with observation panel at 5, and junction edge and pipeline cross are handed at the 4 of pipeline respectively
The position of fork；
T-shaped pipeline is provided with observation panel at 4, respectively positioned at 3 edges of pipeline and the cross one another position of pipeline；
Y-shaped pipeline is provided with observation panel at 4, respectively edge and the cross one another position of pipeline at the 3 of pipeline；
The angle of bend of described bending pipeline is 30 °, 45 °, 60 °, 90 ° or 120 °.Bending pipeline is provided with observation panel at 3, point
Wei Yu not pipeline edge and the cross one another position of pipeline at 2.
There is sensor interface on pipeline, for linear pattern pipeline, sensor interface position is in the both ends of pipeline and centre
Point；For the pipeline of other shapes, sensor interface is separately positioned on edge and the cross one another central point of pipeline of pipeline
Place.
Described organic glass observation window uses maximum to bear high intensity lucite of the pressure for 10Mpa.
Present invention research changes in the case where the conditions such as initial pressure, ignition energy, methane concentration, environment temperature are constant
Become the pipeline configuration of connection container, influence of the research pipeline configuration to connection tank atmosphere blast；Change container geometry knot itself
Structure, connect the rule between tank atmosphere blast characteristics and container shapes pair；Change the connected mode of container and pipeline, research is more
Tank atmosphere blast rule is connected under kind state.Pass through the pressure sensor on destructor, temperature sensor, flame
Sensor and high-speed digital photography machine, can measure blast pressure in research connection container required for gas burst structure effect,
The parameters such as blast temperature, rate of flame propagation and flame image.Concrete operation step is：
1st, air compressor machine, data collecting instrument, distributing instrument and computer are opened, it is standby that air in air compressor machine is compressed to more than 0.4MPa
With；
2nd, the both ends of destructor are blocked with blind plate, opens intake valve, vacuum-pump line insertion intake valve is started to be evacuated, together
When open pressure detecting software, observe the pressure change in pipeline or container；When pressure drops to -0.01MPa, intake valve is closed,
Close vavuum pump;
3rd, fuel gas gas cylinder, air compressor machine are opened, distribution is carried out using distributing instrument；After the completion of distribution, pipeline is connected to air inlet
Valve, intake valve is opened, treat that the pressure in pipeline or container rises to normal pressure, close intake valve, close distributing instrument；
4th, ignition power is opened, starts to light a fire, after igniting, waits pressure monitoring software output pressure change curve；
5th, igniter is closed, experiment terminates.
The beneficial effects of the invention are as follows：
1st, Experimental Establishment of the present invention is complete, can be connected between pipeline of different shapes and container of different shapes be combined into it is a variety of not
Isostructural test device, to reduce industrial production model, a variety of different structures can be studied to gas burst in connection container
Caused structure effect.
2nd, the present invention can be used for studying fuel gas turbulent flow, jet flame, blast in blast process in container, pipeline
Relation between the dynamic characteristic such as wave reflection and energy variation and gas flowing, blast wave and explosive flame.
3rd, the present invention can carry out the research of gas burst propagation characteristic and rule under the conditions of various structures, disclose gas burst
The mechanism of production of structure effect, the structure effect affecting laws of gas burst intensity are found, it is strong to establish accurate gas burst
Spend forecast model, for prevent with control special construction connect gas burst accident in container have important theory value with
Practical significance.
Brief description of the drawings
Fig. 1 is the test system schematic diagram of gas burst feature structure effect of the present invention；
Fig. 2 is hydrostatic column connecting pipeline structure schematic diagram of the present invention；
Fig. 3 is the spherical container front view in destructor of the present invention；
Fig. 4 is bending pipeline top view of the present invention；
Fig. 5 is the T-shaped pipeline top view of the present invention；
Fig. 6 is cross pipeline top view of the present invention；
Fig. 7 is Y tube top view of the present invention.
Embodiment
Below with reference to embodiment, the invention will be further described：
Embodiment 1
As shown in accompanying drawing 1 ~ 2, a kind of test system of gas burst feature structure effect, by air distribution system, igniter, blast
Device, equipment data acquisition analyzing and high-speed digital photography machine composition.
Described destructor includes hydrostatic column 1 and linear pipeline 3 forms, and is set at the both ends of hydrostatic column 1
There is two sections flanged 21 of horizontal duct, the both ends of linear pipeline 3 are provided with flange 21, and described hydrostatic column 1 is through wherein
One section of horizontal duct is connected with linear pipeline 3 by flange 21, and the flange 21 of 1 another section of horizontal duct of hydrostatic column is with blind
Plate 20 blocks, and the other end of linear pipeline 3 also blocks flange 21 with blind plate 20.
Described hydrostatic column 1 is in the middle part of top, side wall and bottom is respectively equipped with 1 the first burning torch installing port 101,
Burning torch is arranged on container diverse location to realize the igniting of diverse location；Enter in the bottom of hydrostatic column 1 provided with first/
Gas outlet 102, pressure gauge installing port 106, the first high-frequency pressure transmitter installing port 103 is provided with top, the first flame senses
Device installing port 104, the first temperature sensor installing port 105；The first lucite at 3 is provided with described hydrostatic column 1 to see
Window 107 is examined, respectively on the centre position of hydrostatic column side wall and two horizontal ducts；In pressure gauge installing port 106
It is used to monitor the gas pressure in hydrostatic column provided with pressure gauge.
The top of described linear pipeline 3 is provided with the second burning torch installing port 301, the second high-frequency pressure transmitter is installed
The 302, second flame sensor installing port 303 of mouth, second temperature sensor installing port 304, in the bottom proximal end of linear pipeline 3
Side is provided with the second entry/exit gas port 305；The second lucite is respectively equipped with positioned at the both ends of linear pipeline 3 and centre position to see
Examine window 306.
The volume of described spherical container 1 is 55L；Pipe range between 3 liang of end flanges 21 of linear pipeline is 2m.
The described bottom of hydrostatic column 1 is provided with first support 18, and the described bottom of linear pipeline 3 is provided with second support
19, first support 18 and second support 19 are separately installed with concealed universal wheel.During experiment, universal wheel hidden switch can be opened,
Support is directly supported on the ground, prevent experimental channel and container to be moved；When needing movement, disassembling or assemble, close
Universal wheel hidden switch, the movement of container and pipeline is carried out, disassembles or combines.
Described air distribution system includes distributing instrument 9, fuel gas source of the gas 17, air compressor machine 8, vavuum pump 10 and formed；Distributing instrument 9
It is connected with computer 16 by signal wires；The output end of described distributing instrument 9 is connected with the entry/exit gas port of destructor.Tool
Body, described distributing instrument 9 includes fuel gas pipeline, distribution pipeline and gaseous mixture pipeline, the output of fuel gas source of the gas 17
End is connected with the input of the fuel gas pipeline of distributing instrument 9, and the output end of air compressor machine 8 inputs with the distribution pipeline of distributing instrument 9
End is connected；Input of the output end of fuel gas pipeline and distribution pipeline respectively with gaseous mixture pipeline is connected, gaseous mixture pipeline
Output end and destructor air inlet connect；When container or pipeline are connected with each other, entry/exit gas port is a certain container or pipeline
Entry/exit gas port, other entry/exit gas ports close.
Described ignition system is made up of the burning torch of the high-energy igniter and different length that can adjust ignition energy.Igniting
Rifle is arranged on the first burning torch installing port 101 of destructor, on secondary igniter installing port 301, igniter and burning torch it
Between be attached by high-tension cable.
Described equipment data acquisition analyzing include high-frequency pressure transmitter 11, flame sensor 12, temperature sensor 13,
Data collecting instrument 14 and computer 16；High-frequency pressure transmitter 11, flame sensor 12, temperature sensor 13 are arranged on cylinder
Corresponding to container 1, linear pipeline 3 on installing port.High-frequency pressure transmitter 11, flame sensor 12 and temperature sensor 13 divide
Input not with respective data collecting instrument is connected, and the output end of data acquisition 14 is connected 16 with computer.
Described high-speed digital photography machine 15 is high-speed digital photography machine.The camera of high-speed digital photography instrument 15 faces
The transparent high intensity organic glass observation window observed is needed, for observing the blast in hydrostatic column 1 and linear pipeline 3
Flame；The output end of high-speed digital photography instrument 15 is connected with computer 16.
Embodiment 2
The hydrostatic column 1 of embodiment 1 is replaced with into spherical container 2 as shown in Figure 3, spherical container 2 diametrically divides
Horizontal duct and one section flanged 21 of vertical conduit that She You be one section flanged 21, spherical container 2 be through horizontal duct and directly
Linear pipeline 3 is connected by flange 21, and the flange 21 of 2 vertical conduit of spherical container is blocked with blind plate 20.
Spherical container 2 is respectively equipped with 2 the first burning torch installing ports 201, the first entry/exit gas port 202, the first high-frequency pressure
Transmitter installing port 203, the first flame sensor installing port 204, the first temperature sensor installing port 205 and first pressure table peace
Fill mouth；Wherein, the first burning torch installing port 201 is located on the shoulder of spherical container 2 and horizontal duct respectively, the first entry/exit gas port
202 and first high-frequency pressure transmitter installing port 203 be located at the bottom of spherical container 2, the first flame sensor installing port 204 respectively
Positioned at the middle part of spherical container 2, the first temperature sensor installing port 205 is located at the shoulder of spherical container 2；Along horizontal diameter in spherical appearance
The middle part of device 2 and horizontal duct, vertical conduit are respectively equipped with the first organic glass observation window 206.
The described bottom of spherical container 2 is provided with first support 18, and first support 18 is provided with concealed universal wheel.
The volume of described spherical container 2 is 55L.
Embodiment 3
The linear pipeline 3 of embodiment 1 is replaced with into bending pipeline 4 as shown in Figure 4, described bending pipeline have 30 °,
45 °, 60 °, 90 ° and 120 ° 5 kinds of different angles.
The both ends of bending pipeline 4 are respectively equipped with flange；Entry/exit is provided with a wherein proximal lateral for described bending pipeline 4
Gas port 401, and high-frequency pressure transmitter installing port 403 and temperature sensor installing port 404 are provided with bending pipeline；In bending
4 nearly corner of pipeline is provided with flame sensor installing port 402, and machine glass is respectively equipped with the proximal tube end side of bending pipeline 4 and turning
Glass observation window 405, and it is provided with igniter installing port 406.
Embodiment 4
The linear pipeline 3 of embodiment 1 is replaced with into T-shaped pipeline 5 as shown in Figure 5, described T-shaped pipeline 5 be provided with into
Gas port 501, high-frequency pressure transmitter installing port 503, flame sensor installing port 502, temperature sensor installing port 504 and machine glass
Glass observation window 505, and it is provided with igniter installing port 506.
Embodiment 5
The linear pipeline 3 of embodiment 1 is replaced with into cross pipeline as shown in Figure 6, described cross official road is provided with
Air inlet 601, high-frequency pressure transmitter installing port 603, flame sensor installing port 602, temperature sensor installing port 604 and machine
Glass window 605, and it is provided with igniter installing port 606.
Embodiment 6
The linear pipeline 3 of embodiment 1 is replaced with into Y-shaped pipeline as shown in Figure 7, described Y-shaped pipeline opening angle is
60 °, pipeline is provided with air inlet 701, high-frequency pressure transmitter installing port 702, flame sensor installing port 703, TEMP
Device installing port 704 and machine glass window 705, and it is provided with igniter installing port 706.
Hydrostatic column 1 in embodiment 3,4,5,6 can also be replaced with spherical container 2.
Claims (10)
- A kind of 1. test system of gas burst feature structure effect, it is characterised in that：Including air distribution system, igniter, quick-fried Explosion unit, equipment data acquisition analyzing and high-speed digital photography machine；Described destructor includes container and/or pipeline, is docked between container and pipeline by flange；Described container is provided with First entry/exit gas port, at least one first burning torch installing port, the first high-frequency pressure sensor installing port, the first flame sensing Device installing port, the first temperature sensor installing port, first pressure table installing port, at least one first organic glass observation window；Institute The pipeline stated be provided with the second entry/exit gas port, at least one second burning torch installing port, the second high-frequency pressure sensor installing port, Second flame sensor installing port, second temperature sensor installing port, at least one second organic glass observation window；Described equipment data acquisition analyzing includes high-frequency pressure transmitter, temperature sensor, flame sensor, signal amplification Device, data collecting instrument and computer；Described high-frequency pressure transmitter, temperature sensor and flame sensor is separately mounted to hold Corresponding to device and/or pipeline in installing port；Described high-frequency pressure transmitter, temperature sensor and flame sensor is respectively through letter Number amplifier is connected with data collecting instrument, and the output end of data collecting instrument is connected with computer；The signal output part of the high-speed digital photography machine is connected with computer；Described air distribution system is by distributing instrument, distribution control cabinet, air compressor machine, fuel gas source of the gas, vavuum pump and distribution source of the gas structure Into；The output end of fuel gas source of the gas is connected with distributing instrument input；The output end of distribution source of the gas and distributing instrument it is another One input is connected；Distributing instrument is connected with distribution control cabinet by signal wires；The output end of distributing instrument and destructor The entry/exit gas port of gas input port, i.e. container and/or pipeline is connected；Air distribution system main frame is connected by private cable Connect, and in order to control the flow of gas, employ the higher mass flow controller of precision and monitored in real time, finally made Air distribution system realizes scientific and automation；The operation interface of distribution focuses primarily upon computer client；Described igniter is made up of igniter and burning torch, is connected between igniter and burning torch by high-tension cable Connect；Burning torch is arranged on the burning torch installing port of destructor.
- 2. the test system of gas burst feature structure effect according to claim 1, it is characterised in that：Described distribution Source of the gas is pure air, is produced by air compressor machine；Described fuel gas source of the gas uses methane, propane and hydrogen.
- 3. the test system of gas burst feature structure effect according to claim 1, it is characterised in that：Described first Burning torch installing port, the second burning torch installing port, the first high-frequency pressure sensor installing port, the installation of the second high-frequency pressure sensor Mouth, the first flame sensor installing port, the second flame sensor installing port, the first temperature sensor installing port, second temperature pass Sensor installing port, first pressure table installing port and second pressure gauge installing port are screw thread mouth.
- 4. the test system of gas burst feature structure effect according to claim 1, it is characterised in that：Described container Bottom is provided with first support, and described pipeline is provided with second support, and first support and second support are separately installed with concealed ten thousand To wheel,Described first support and second support support for steelframe.
- 5. the test system of gas burst feature structure effect according to claim 1, it is characterised in that：Described container For spherical container or hydrostatic column.
- 6. the test system of gas burst feature structure effect according to claim 5, it is characterised in that：Described cylinder Describe and be provided with two sections of flanged (FLGD) horizontal ducts in the middle part of device；Described hydrostatic column is distinguished in the middle part of top, side wall with bottom Provided with 1 the first burning torch installing port, burning torch is arranged on to the diverse location of container, realizes the igniting of diverse location；According to The difference of burning torch length, realize wall or Novel interior ignition in container；The first entry/exit gas port, pressure gauge installing port are provided with the bottom of hydrostatic column, is become at top provided with the first high-frequency pressure Send device installing port, the first flame sensor installing port, the first temperature sensor installing port；In described hydrostatic column side wall The first organic glass observation window is respectively equipped with centre position and two horizontal ducts；Pressure gauge is provided with pressure gauge installing port For monitoring the gas pressure in hydrostatic column.
- 7. the test system of gas burst feature structure effect according to claim 5, it is characterised in that：Described is spherical Container is diametrically respectively equipped with one section of flanged (FLGD) horizontal duct and one section of flanged (FLGD) vertical conduit；Described spherical appearance Device is respectively equipped with 2 the first burning torch installing ports, the first entry/exit gas port, the first high-frequency pressure transmitter installing port, the first flame Sensor installation port, the first temperature sensor installing port and first pressure table installing port；Wherein, the first burning torch installing port is distinguished On spherical container shoulder and horizontal duct, the first entry/exit gas port is located at spherical container bottom；Along horizontal diameter in spherical appearance The middle part of device and horizontal duct, vertical conduit are respectively equipped with the first organic glass observation window.
- 8. the test system of gas burst feature structure effect according to claim 1, it is characterised in that：Described pipeline For linear pipeline, cross pipe, T-shaped pipe, Y-shaped pipeline, bending pipeline；Flange is provided with the side of described pipeline.
- 9. the test system of gas burst feature structure effect according to claim 8, it is characterised in that：Linear pattern pipeline Observation panel at 3 is provided with, respectively positioned at the both ends of pipeline and centre position；Described cross pipeline is provided with observation panel at 5, point Not Wei Yu pipeline 4 at junction edge and the position of pipeline right-angled intersection；T-shaped pipeline is provided with observation panel at 4, respectively positioned at pipe 3 edges and the cross one another position of pipeline in road；Y-shaped pipeline be provided with 4 at observation panel, respectively at the 3 of pipeline edge and The cross one another position of pipeline；The angle of bend of described bending pipeline is 30 °, 45 °, 60 °, 90 ° or 120 °, bending pipeline Provided with observation panel at 3, pipeline edge and the cross one another position of pipeline at 2 respectively.
- 10. the test system of gas burst feature structure effect according to claim 9, it is characterised in that：On pipeline There is sensor interface, for linear pipeline, sensor interface position is in the both ends of pipeline and intermediate point；For other shapes Pipeline, sensor interface are separately positioned on edge and the cross one another central spot of pipeline of pipeline.
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