CN109975354A - Visualize combustible explosion chemical looping reaction process test device and method - Google Patents
Visualize combustible explosion chemical looping reaction process test device and method Download PDFInfo
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- CN109975354A CN109975354A CN201910289441.0A CN201910289441A CN109975354A CN 109975354 A CN109975354 A CN 109975354A CN 201910289441 A CN201910289441 A CN 201910289441A CN 109975354 A CN109975354 A CN 109975354A
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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
Abstract
The invention discloses a kind of visualization combustible explosion chemical looping reaction process test device and methods, including the control of explosive flame camera system, free radical test macro, ignition system, circulating water cooling system, temperature and heat-insulation system, pressure control and monitoring system, data collection system and master control system, explosion gas quick sampling system, secondary pulsation atomization distribution liquid mixing system, solid powder spraying system and spherical shell；The shooting of explosive flame, the test for the intermediate product that explodes, the quick sampling analysis of explosion gas may be implemented, it is acted on by each system coordination, pass through before and after the comparative analysis explosive reaction and in the process situation of change of explosive flame, reaction temperature, reaction pressure, explosion intermediate product free radical, explosion gas etc., qualitative, quantitative studies the mechanism and characteristic of combustible explosion chemical looping reaction process, to provide more comprehensively experimental data and information for researcher.
Description
Technical field
The present invention relates in a kind of gas burst field, flammable solid powder, fuel gas, flammable liquid are measured for studying
The blast characteristics and parameter and learning gas of body, liquid, solid heterogeneous mixed explosion characteristic device, more particularly to it is a kind of
Visualize combustible explosion chemical looping reaction process test device and method.
Background technique
The destructor that international community generally uses now is 20L spherical blast device, mainly includes the spherical closed dress of 20L
Main body, distribution are set with powder exhaust system, ignition system, experimental data acquisition system and master control system, wherein spherical blast
Apparatus main body is mainly made of the double-layer stainless steel sphere with water-cooling jacket, it is the key component of the test macro.Igniting system
System is mounted on the upper end of device, and ignitor can protrude into arrival geometric center position inside device and spark over igniting.Dress
Side wall is set equipped with multiple sensor mounting hole, pressure sensor and temperature sensor, the letter that sensor obtains can be installed respectively
Number enter data collection system by the processing of signal processor.Data collection system is further to collected signal to be mended
Reduction treatment is repaid, true pressure and temp signal is obtained, and is transmitted to output equipment (display, storage or printing).Master control system
It is for control system air inlet, triggering sample, valve opening is dusted, ignition process.
Accurate laboratory test data facilitates the method that selection prevents combustible from exploding and corresponding protection is arranged
It applies, the disaster that combustible explodes is reduced in controllable range.But, currently, both at home and abroad in the design of destructor
There are a large amount of research and practice, though certain technical functionality requirement is met, it is not enough comprehensively, as a result still undesirable, and
There are many incomplete places, flammable solid powder, fuel gas, flammable liquid explosion research can not be provided to researcher
More comprehensively data and information, such as explosive flame micro image information, explode intermediate product data information, solid
Being uniformly distributed of powder, the functions such as liquid is evenly dispersed, especially realize explosion gas quick sampling analysis, gas-solid
In terms of liquid multi-phase mixed explosion, still improve a lot and development space.
Summary of the invention
The object of the present invention is to provide a kind of more complete, more reliable visualization combustible explosion chemical loopings to react
Journey test device and method.
The purpose of the present invention is what is be achieved through the following technical solutions:
Visualization combustible explosion chemical looping reaction process test device of the invention, including explosive flame shooting system
System, the control of free radical test macro, ignition system, circulating water cooling system, temperature and heat-insulation system, pressure control and monitoring system
System, data collection system and master control system, secondary pulsation atomization distribution liquid mixing system, are consolidated explosion gas quick sampling system
Body powder spray system and apparatus main body, described device main body include spherical shell；
The explosive flame camera system includes the super large silica glass optical form on the spherical shell, institute
It states and is equipped with high-speed camera, the high-speed camera and the data collection system phase above super large silica glass optical form
Even；
The circulating water cooling system includes the circulation water inlet and circulating water outlet on the spherical shell；
The temperature control and heat-insulation system include temperature sensor, temperature controller, heat tape, and the temperature sensor is solid
It is scheduled on the spherical shell inner wall, is connected by temperature controller with data collection system, the heat tape is provided with relay, twines
It is wound on the spherical shell outer wall；
The pressure control and monitoring system include pressure sensor, pressure gauge and safety valve, and the pressure sensor is solid
It is scheduled on the spherical shell inner wall, and is connected with data collection system, the pressure gauge, safety valve are mounted on the spherical shell
Upper right side；
The data collection system and master control system include data acquisition device, computer PLC controller.
Above-mentioned visualization combustible explosion chemical looping reaction process test device realizes that visualization combustible is quick-fried
The method of fried chemical looping reaction process test, comprising:
Distribution liquid mixing system is atomized by secondary pulsation and solid powder spraying system can needed for injection experiments into device
Combustion gas body, flammable liquid and can right solid powder, to realize multiphase mixed explosion；
It can satisfy the igniting demand of differential responses object, different location using different sparking mode；
Captured in real-time is carried out to explosive reaction process by high-speed camera, obtains realtime image data information；
During explosive reaction, the light of flame sensor outflow converges to the slit of fiber spectrometer by condenser lens
Place, then read in the convergence of rays of different wave length to enhancing charge coupled cell by computer by optical grating diffraction effect
Spectroscopic data obtains the intensity distribution of flame emission spectrum, i.e. free radical emission spectrum in measurement blast process, intermediate to explosion
The free radical of product is tested, and explosion intermediate product more fully data information is obtained；
The gas generated by the explosion of explosion gas quick sampling system acquisition, and gas property is analyzed by chromatograph,
Realize the quick sampling analysis of explosion gas；
It is acted on by each system coordination, by before and after comparative analysis explosive reaction and in the process explosive flame, anti-
The situation of change of temperature, reaction pressure, explosion intermediate product free radical, explosion gas etc. is answered, qualitative, quantitative studies combustible
The mechanism and characteristic for chemical looping reaction process of exploding.
As seen from the above technical solution provided by the invention, visualization combustible provided in an embodiment of the present invention is quick-fried
The shooting of the explosive flame, test for the intermediate product that explodes, quick-fried may be implemented in fried chemical looping reaction process test device and method
Quick sampling analysis, the mixed explosion of gas-solid liquid multi-phase, solid such as the powder of fried gas are entire empty in explosion ball device
Between be uniformly distributed, liquid dispersion, the functions such as the initial temperature of effective control device and internal pressure and device heat preservation, thus
More comprehensively experimental data and information are provided for researcher.
Detailed description of the invention
Fig. 1 is the master of visualization combustible explosion chemical looping reaction process test device provided in an embodiment of the present invention
Depending on structural schematic diagram.
Fig. 2 is a left side for visualization combustible explosion chemical looping reaction process test device provided in an embodiment of the present invention
Depending on structural schematic diagram.
Fig. 3 is cuing open for visualization combustible explosion chemical looping reaction process test device provided in an embodiment of the present invention
Face schematic diagram.
Fig. 4 is the point of visualization combustible explosion chemical looping reaction process test device provided in an embodiment of the present invention
Fiery system schematic.
In figure:
1- semiconductor laser ignition system；2- sealing cover；3- recirculated water water inlet；4- temperature controller；5- visual windows；6- high
Fast camera；7- exhaust outlet (vacuum orifice)；8- vacuum meter；9- solenoid valve；10- solenoid valve；11- solenoid valve；12- dust cabin；13-
Bracket；14- recirculated water water outlet；15- safety valve；16- pressure gauge；17- air guide port；The pneumatic quick valve of 18-；19- sealing driving
The solenoid valve of gas；20- master control system；The small gas chamber of 21-；22- solenoid valve；23- flame-proof type flame sensor；24- temperature passes
Sensor；25- pressure sensor；26- spherical shape spray chamber；27- pressure sensor；28- gas-liquid delivery pipe section；29- antiknock blender；
30- dust recycling device；31- spherical shell；32- dispersal valve；33- chemical point picker bar；34- semiconductor laser igniter head；35- electrical fire
Spark ignition head；36- spark ignition bar.
Specific embodiment
The embodiment of the present invention will be described in further detail below.What is be not described in detail in the embodiment of the present invention is interior
Appearance belongs to the prior art well known to professional and technical personnel in the field.
Visualization combustible explosion chemical looping reaction process test device of the invention and method are preferably specific
Embodiment is:
Visualizing combustible explosion chemical looping reaction process test device includes explosive flame camera system, free radical
Test macro, ignition system, circulating water cooling system, temperature control and heat-insulation system, pressure control and monitoring system, data are adopted
Collecting system and master control system, explosion gas quick sampling system, secondary pulsation atomization distribution liquid mixing system, solid powder injection
System and apparatus main body, described device main body include spherical shell；
The explosive flame camera system includes the super large silica glass optical form on the spherical shell, institute
It states and is equipped with high-speed camera, the high-speed camera and the data collection system phase above super large silica glass optical form
Even；
The circulating water cooling system includes the circulation water inlet and circulating water outlet on the spherical shell；
The temperature control and heat-insulation system include temperature sensor, temperature controller, heat tape, and the temperature sensor is solid
It is scheduled on the spherical shell inner wall, is connected by temperature controller with data collection system, the heat tape is provided with relay, twines
It is wound on the spherical shell outer wall；
The pressure control and monitoring system include pressure sensor, pressure gauge and safety valve, and the pressure sensor is solid
It is scheduled on the spherical shell inner wall, and is connected with data collection system, the pressure gauge, safety valve are mounted on the spherical shell
Upper right side；
The data collection system and master control system include data acquisition device, computer PLC controller.
The free radical test macro includes the flame-proof type flame sensor set on the spherical shell inner wall, it is described every
Quick-fried type flame sensor is connect with fiber spectrometer, and the fiber spectrometer is connect with data collection system.
The ignition system includes semiconductor laser igniter, spark ignition device and chemic ignition device；
The semiconductor laser igniter includes safety device, driver, laser diode, optical fiber connector, laser
Igniter head；
The spark ignition device includes ignition controller, spark ignition bar, ignition coil, spark plug, electric spark
Igniter head；
The chemic ignition device includes chemical point picker bar, chemically igniting head.
The explosion gas quick sampling system includes air guide port, and the air guide port is connected with pneumatic quick valve and charge and discharge
Device of air, the pneumatic quick valve are connected with multiple small gas chambers, and the multiple small gas chamber is connected with chromatograph, the chromatograph with
Data collection system is connected, and the aerating and exhaust device is connect with master control system.
The aerating and exhaust device includes the solenoid valve of sealing driving gas, the solenoid valve of the sealing driving gas and institute
The pilot hole connection of pneumatic quick valve is stated, the solenoid valve of the sealing driving gas is connect with master control system.
The described secondary pulsation atomization distribution liquid mixing system includes that air compressor machine, solenoid valve, air storage chamber, fluid reservoir, gas-liquid are defeated
Pipeline section, spherical spray chamber are sent, the spherical shape spray chamber covers in dome-type porous nozzle, equipped with more inside the spherical shape spray chamber
Hole hollow beads.
The solid powder spraying system includes air compressor machine, solenoid valve, dust cabin, dispersal valve, dust recycling device.
The apparatus main body is the spherical bilayer 40CrMo steel construction of 20L, including sealing cover, explosion-proof blade stirrer list
Member, exhaust outlet and pedestal；
Above-mentioned visualization combustible explosion chemical looping reaction process test device realizes that visualization combustible is quick-fried
The method of fried chemical looping reaction process test, comprising:
Distribution liquid mixing system is atomized by secondary pulsation and solid powder spraying system can needed for injection experiments into device
Combustion gas body, flammable liquid and can right solid powder, to realize multiphase mixed explosion；
It can satisfy the igniting demand of differential responses object, different location using different sparking mode；
Captured in real-time is carried out to explosive reaction process by high-speed camera, obtains realtime image data information；
During explosive reaction, the light of flame sensor outflow converges to the slit of fiber spectrometer by condenser lens
Place, then read in the convergence of rays of different wave length to enhancing charge coupled cell by computer by optical grating diffraction effect
Spectroscopic data obtains the intensity distribution of flame emission spectrum, i.e. free radical emission spectrum in measurement blast process, intermediate to explosion
The free radical of product is tested, and explosion intermediate product more fully data information is obtained；
The gas generated by the explosion of explosion gas quick sampling system acquisition, and gas property is analyzed by chromatograph,
Realize the quick sampling analysis of explosion gas；
It is acted on by each system coordination, by before and after comparative analysis explosive reaction and in the process explosive flame, anti-
The situation of change of temperature, reaction pressure, explosion intermediate product free radical, explosion gas etc. is answered, qualitative, quantitative studies combustible
The mechanism and characteristic for chemical looping reaction process of exploding.
In test process:
The light of flame sensor outflow is converged at the slit of fiber spectrometer by condenser lens, then is spread out by grating
The effect of penetrating reads in the convergence of rays of different wave length to enhancing charge coupled cell spectroscopic data by computer and obtains flame
The intensity distribution of emission spectrum, i.e. free radical emission spectrum in measurement blast process, carry out the free radical of explosion intermediate product
Test obtains explosion intermediate product more fully data information；
The driving gas of certain pressure is filled with into valve body by the aerating and exhaust device, the driving gas includes nitrogen
Spool is withstood on sealing cone i.e. closed position by gas, and to seal the air guide port of spherical device, opening the aerating and exhaust device will
The intracorporal driving gas of valve is bled off rapidly, and when driving the pressure of gas to be down to certain value in valve chamber, spool is just in spherical device
Quickly moved under the promotion of internal explosion gas, valve open, at this moment the explosion gas inside spherical device just pass through air guide port,
Spool flows through current limliting venturi into small gas chamber, and collected gas is connected by small gas chamber with chromatograph, is realized to explosion gas
Quick sampling analysis；
Air compressor machine brings fuel gas into fluid reservoir, there is liquid injection hole on fluid reservoir, by liquid injection hole to liquid storage
Flammable liquid is injected in room, and the panting action for the first time of high pressure gas carries continuity liquid from fluid reservoir outside, with different gas-liquid flows
Speed forms annular liquid film after entering gas-liquid delivery pipe section, subsequently enters spherical spray chamber, annular liquid film is under gas flaring effect
Dynamic along spherical wall surface current, center air column a part after expansion enters porous hollow bead, and shape is discharged by its surface aperture
At second of high pressure gas pulsation, another part gas forms cyclogenesis on the inside of liquid film, finally chamber interior walls by spraying
Liquid film is sprayed the multiple spray orifice dispersions of chamber surface along ball-type under secondary pulsation and the effect of inside cyclone multi-angle and sprays, and is formed secondary
Atomization；
Flammable solid powder in dust cabin is entrained into dust recycling device by the high pressure gas that air compressor machine generates, and is expanded through dust
Scattered device is sprayed to device, is uniformly distributed in inside device, is realized with fuel gas, flammable liquid through the stirring of antiknock blender
Fuel gas, flammable liquid, flammable solid powder multiphase mixed explosion.
Visualization combustible explosion chemical looping reaction process test device of the invention and method, may be implemented to explode
The shooting of flame, the test for the intermediate product that explodes, quick sampling analysis, the mixing of gas-solid liquid multi-phase of explosion gas are quick-fried
Fried, solid such as powder in explosion ball device being uniformly distributed of entire space, liquid dispersion, effective control device initial temperature
The functions such as keep the temperature with internal pressure and device, to provide more comprehensively experimental data and information for researcher.
It will be seen that understanding the various information of blast process, to obtain the theoretical information for inhibiting chain reaction process, it is
Inhibit explosion and reduce explosion casualties and lose to provide sufficient theoretical basis.
In the present invention:
Visualization combustible explosion chemical looping reaction process test device specifically includes spherical shell, the spherical shell
Body is bilayer 40CrMo steel construction, and the spherical shell is equipped with pressure gauge, safety valve, circulation water inlet, circulating water outlet, sight
Examine window, vacuum orifice (exhaust outlet), vacuum meter, air guide port and pressure sensor and temperature sensor.
The spherical shell top of supply line is equipped with sealing cover, and there are pressure gauge and safety valve, semiconductor laser igniter head in side
Multiposition igniting can be carried out by protruding into inside spherical shell with spark ignition head and chemically igniting head.
The spherical shell is internally provided with explosion-proof blade stirrer unit, can make flammable solid powder by stirring
It is uniformly distributed entire space with gas, disperses flammable liquid cloud and mist.
The spherical shell observation window is super large silica glass optical form, installs high speed camera, high speed phase above window
Machine is connected with data collection system, and pictorial information is transmitted to output equipment after being handled by data collection system.
Flame-proof type flame sensor is configured on the spherical shell, and is connected with fiber spectrometer, with intermediate to explosion
The free radical of product is tested, and the more fully data information of explosion intermediate product is obtained.
It is wrapped with the heat tape of appropriate power outside the spherical shell, is transmitted by heat tape directly to spherical blast room
Heat covers upper mineral wool on heat tape, is kept the temperature with the thermal insulation of mineral wool to device, avoids scattering and disappearing for heat.
On the spherical shell and the air storage chamber on respectively installation can feedback pressure variable signal pressure transmitter, one
End shows that the other end inputs PLC with pressure display instrument table, utilizes the analog conversion function and regulatory function of PLC, realization pair
The control of the pressure of air storage chamber and explosive container.
The temperature sensor is connected with temperature controller, and relay controls heat tape switch, thus the temperature of control device
Degree and initial temperature.
The vacuum meter is connected by solenoid valve with spherical device, and dust cabin is connected by dispersal valve with dust recycling device,
Inside the dust recycling device connection spherical device, the dust cabin is connected by solenoid valve with air compressor machine.
The air compressor machine is connected by check valve with air storage chamber, and air storage chamber is connected by solenoid valve with fluid reservoir, fluid reservoir
On have liquid injection hole, by liquid injection hole to fluid reservoir injection experiments liquid.Fluid reservoir connects gas-liquid delivery pipe section, gas-liquid
Conveying pipeline section is connected with spherical spray chamber, there is porous hollow bead in spherical spray chamber, and entire spherical shape spray chamber covers in hemispherical
Among spray head, hemispherical spray head is in spherical blast device lower right.
Vacuum orifice, that is, the exhaust outlet is connected with vacuum meter and gas-guide tube, and the gas-guide tube is connected with vacuum pump.
The air guide port is connected with pneumatic quick valve, and pneumatic quick valve connects multiple small gas chambers and aerating and exhaust device, leads to
The driving gas such as nitrogen that aerating and exhaust device is filled with certain pressure into valve body is crossed, spool is withstood on sealing cone i.e. close stance
It sets, to seal the air guide port of spherical device.It opens aerating and exhaust device to bleed off the intracorporal driving gas of valve rapidly, when driving in valve chamber
When the pressure of body of taking offence is down to certain value, spool is just quickly moved under the promotion of spherical device internal explosion gas, and valve is beaten
It opens, at this moment the explosion gas inside spherical device just passes through air guide port, spool, flows through current limliting venturi into small gas chamber.
The aerating and exhaust device includes control system and solenoid valve, and solenoid valve connects pneumatic quick valve body, control system
Instruction is issued to the solenoid valve of sealing driving gas, solenoid valve is quickly opened by setting time, by the unlatching for controlling solenoid valve
Time just can control the opening time of pneumatic quick valve, complete the Quick Acquisition of explosion gas, and collected gas passes through stingy
Room is connected with chromatograph, realizes and analyzes the quick sampling of explosion gas.
Specific embodiment:
A kind of visualization combustible explosion chemical looping reaction process that Fig. 1 to Fig. 4 shows the embodiment of the present invention is surveyed
Try device and method, apparatus main body is 20L spherical blast tank, outside blasting pot right above connection semiconductor laser igniter and
Spark ignition device and chemic ignition device, spherical tank lower inside have blender, and powder can be made to be uniformly distributed entire sky
Between, there is dust recycling device in flammable liquid dispersion, blender lower section, and for dust to be uniformly ejected into inside blasting pot, dust expands
Device is dissipated to be connected by pipeline with dust cabin.Dust cabin is connected by solenoid valve with air compressor machine, air storage chamber by solenoid valve with
Fluid reservoir is connected, and air compressor machine brings fuel gas into fluid reservoir, there is liquid injection hole on fluid reservoir, by liquid injection hole to storage
Liquid chamber injects flammable liquid.Fluid reservoir connects gas-liquid delivery pipe section, and gas-liquid delivery pipe section is connected with spherical spray chamber, and spherical shape is spraying
There is porous hollow bead in interior, and entire spherical shape spray chamber covers among hemispherical spray head.The panting action for the first time of high pressure gas will
Continuity liquid is carried outside from fluid reservoir, is entered after gas-liquid delivery pipe section with different gas-liquid flow velocitys and is formed annular liquid film；With laggard
Enter spherical spray chamber, annular liquid film is dynamic along spherical wall surface current under gas flaring effect, center air column a part after expansion into
Enter porous hollow bead, and second of the pulsation to form high pressure gas, another part gas shape are discharged by its surface aperture
At cyclogenesis on the inside of liquid film；Finally be sprayed chamber interior walls liquid film it is secondary pulsation and inside cyclone multi-angle effect under along ball
Type is sprayed the multiple spray orifice dispersions of chamber surface and sprays, and secondary-atomizing is formed, to realize gas liquid solid heterogeneous mixed explosion.It is spherical
Destructor is equipped with gas vent, and gas vent passes through the outer wall of spherical blast device, and is connected inside device, gas vent connection
Vacuum meter and soft air-guide pipe, gas-guide tube are connected with vacuum pump, carry out internal pressure release after being used to test.Spherical shell is left
Top is equipped with air guide port, and air guide port is connected with pneumatic quick valve, and pneumatic quick valve connects multiple small gas chambers and aerating and exhaust device,
Small gas chamber is connected with chromatograph, and the quick sampling for explosion gas is analyzed.Spherical shell is equipped with observation window, for observing dress
Internal explosive reaction situation to be set, is provided with high-speed camera above observation window, high-speed camera is connected with data collection system,
For obtaining the image information of explosive flame.Flame-proof type flame sensor is connected with fiber spectrometer, to produce to explosion is intermediate
The free radical of object is tested, and the more fully data information of explosion intermediate product is obtained.
The shell for visualizing combustible explosion chemical looping reaction process test device and method is bilayer structure, is divided into
Internal layer and outer layer, double-layer structure inside are a cavity, and cavity inside forms hot bath layer using circulating hot water, from circulation water inlet
Into circulating water outlet goes out, for keeping the temperature to device.Safety valve and pressure gauge are located at spherical device shell upper end, control device
Pressure is no more than authorized pressure value, and spherical device inner wall is equipped with pressure sensor, for measuring the inside of spherical blast device
Pressure, pressure transmitter are connected with data collection system, and the pressure value measured is transferred on computer and pressure gauge, safety
Valve complements each other, and realizes and controls the pressure of spherical blast device.Temperature sensor is located at the cavity inside of spherical device outer layer,
It is connected with temperature controller, the temperature for controlling spherical device includes initial temperature.It is closed in addition, being wound on spherical blast device outer wall
The heat tape of suitable power, relay control heat tape switch, transmit heat directly to spherical blast room by heat tape,
Upper mineral wool is covered on heat tape, is kept the temperature with the thermal insulation of mineral wool to device, and scattering and disappearing for heat is avoided.
To sum up, the embodiment of the present invention can preferably improve the functional defect of existing destructor, thus for research
Personnel provide the more comprehensively data and information that flammable solid powder, fuel gas, flammable liquid explode research.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (10)
- The chemical looping reaction process test device 1. a kind of visualization combustible explodes, which is characterized in that including explosive flame Camera system, free radical test macro, ignition system, circulating water cooling system, temperature control and heat-insulation system, pressure control and Liquid system is matched in monitoring system, data collection system and master control system, explosion gas quick sampling system, secondary pulsation atomization distribution System, solid powder spraying system and apparatus main body, described device main body include spherical shell；The explosive flame camera system includes the super large silica glass optical form on the spherical shell, described super It is equipped with high-speed camera above big silica glass optical form, the high-speed camera is connected with the data collection system；The circulating water cooling system includes the circulation water inlet and circulating water outlet on the spherical shell；The temperature control and heat-insulation system include temperature sensor, temperature controller, heat tape, and the temperature sensor is fixed on The spherical shell inner wall is connected by temperature controller with data collection system, and the heat tape is provided with relay, is wrapped in The spherical shell outer wall；The pressure control and monitoring system include pressure sensor, pressure gauge and safety valve, and the pressure sensor is fixed on The spherical shell inner wall, and be connected with data collection system, the pressure gauge, safety valve are mounted on the spherical shell upper right Side；The data collection system and master control system include data acquisition device, computer PLC controller.
- The chemical looping reaction process test device 2. visualization combustible according to claim 1 explodes, feature exist In the free radical test macro includes the flame-proof type flame sensor set on the spherical shell inner wall, the flame-proof type Flame sensor is connect with fiber spectrometer, and the fiber spectrometer is connect with data collection system.
- The chemical looping reaction process test device 3. visualization combustible according to claim 1 explodes, feature exist In the ignition system includes semiconductor laser igniter, spark ignition device and chemic ignition device；The semiconductor laser igniter includes safety device, driver, laser diode, optical fiber connector, laser ignition Head；The spark ignition device includes ignition controller, spark ignition bar, ignition coil, spark plug, spark ignition Head；The chemic ignition device includes chemical point picker bar, chemically igniting head.
- The chemical looping reaction process test device 4. visualization combustible according to claim 1 explodes, feature exist In the explosion gas quick sampling system includes air guide port, and the air guide port is connected with pneumatic quick valve and inflation/deflation dress It sets, the pneumatic quick valve is connected with multiple small gas chambers, and the multiple small gas chamber is connected with chromatograph, the chromatograph and data Acquisition system is connected, and the aerating and exhaust device is connect with master control system.
- The chemical looping reaction process test device 5. visualization combustible according to claim 1 explodes, feature exist In the aerating and exhaust device includes the solenoid valve of sealing driving gas, the solenoid valve and the gas of the sealing driving gas The solenoid valve of the pilot hole connection of dynamic quick valve, the sealing driving gas is connect with master control system.
- The chemical looping reaction process test device 6. visualization combustible according to claim 1 explodes, feature exist In the secondary pulsation atomization distribution liquid mixing system includes air compressor machine, solenoid valve, air storage chamber, fluid reservoir, gas-liquid delivery pipe Section, spherical spray chamber, the spherical shape spray chamber cover in dome-type porous nozzle, and porous air is housed inside the spherical shape spray chamber Heart bead.
- The chemical looping reaction process test device 7. visualization combustible according to claim 1 explodes, feature exist In the solid powder spraying system includes air compressor machine, solenoid valve, dust cabin, dispersal valve, dust recycling device.
- The chemical looping reaction process test device 8. visualization combustible according to claim 1 explodes, feature exist In the apparatus main body is the spherical bilayer 40CrMo steel construction of 20L, including sealing cover, explosion-proof blade stirrer unit, row Port and pedestal.
- The chemical looping reaction process test device 9. a kind of described in any item visualization combustibles of claim 1 to 8 explode The method for realizing visualization combustible explosion chemical looping reaction process test characterized by comprisingDistribution liquid mixing system and solid powder the spraying system combustible gas needed for injection experiments into device are atomized by secondary pulsation Body, flammable liquid and can right solid powder, to realize multiphase mixed explosion；It can satisfy the igniting demand of differential responses object, different location using different sparking mode；Captured in real-time is carried out to explosive reaction process by high-speed camera, obtains realtime image data information；During explosive reaction, the light of flame sensor outflow is converged at the slit of fiber spectrometer by condenser lens, It is acted on again by optical grating diffraction by the convergence of rays of different wave length to enhancing charge coupled cell, spectrum is read by computer Data obtain the intensity distribution of flame emission spectrum, i.e. free radical emission spectrum in measurement blast process, to explosion intermediate product Free radical tested, obtain explosion intermediate product more fully data information；The gas generated by the explosion of explosion gas quick sampling system acquisition, and gas property is analyzed by chromatograph, it realizes The quick sampling of explosion gas is analyzed；It is acted on by each system coordination, it is warm by comparative analysis explosive reaction front and back and in the process explosive flame, reaction The situation of change of degree, reaction pressure, explosion intermediate product free radical, explosion gas etc., qualitative, quantitative study combustible explosion The mechanism and characteristic of chemical looping reaction process.
- 10. the method for visualization combustible explosion chemical looping reaction process test according to claim 9, feature It is, in test process:The light of flame sensor outflow is converged at the slit of fiber spectrometer by condenser lens, then is made by optical grating diffraction With by the convergence of rays of different wave length to enhancing charge coupled cell, spectroscopic data is read by computer and obtains flame emission The intensity distribution of spectrum, i.e. free radical emission spectrum in measurement blast process, test the free radical of explosion intermediate product, Obtain explosion intermediate product more fully data information；The driving gas of certain pressure is filled with into valve body by the aerating and exhaust device, the driving gas includes nitrogen, will Spool withstands on sealing cone i.e. closed position and to seal the air guide port of spherical device opens the aerating and exhaust device for valve body Interior driving gas is bled off rapidly, and when driving the pressure of gas to be down to certain value in valve chamber, spool is just inside spherical device It is quickly moved under the promotion of explosion gas, valve is opened, and at this moment the explosion gas inside spherical device just passes through air guide port, valve Core flows through current limliting venturi into small gas chamber, and collected gas is connected by small gas chamber with chromatograph, is realized to explosion gas Quick sampling analysis；Air compressor machine brings fuel gas into fluid reservoir, there is liquid injection hole on fluid reservoir, is infused by liquid injection hole to fluid reservoir Enter flammable liquid, the panting action for the first time of high pressure gas carries continuity liquid from fluid reservoir outside, with different gas-liquid flow velocitys into Annular liquid film is formed after entering gas-liquid delivery pipe section, subsequently enters spherical spray chamber, annular liquid film is under gas flaring effect along ball The flowing of shape wall surface, center air column a part after expansion enters porous hollow bead, and is discharged to form height by its surface aperture It calms the anger second of body pulsation, another part gas forms cyclogenesis on the inside of liquid film, finally the liquid film of chamber interior walls by spraying The multiple spray orifice dispersions of chamber surface are sprayed along ball-type under secondary pulsation and the effect of inside cyclone multi-angle to spray, and form secondary mist Change；Flammable solid powder in dust cabin is entrained into dust recycling device by the high pressure gas that air compressor machine generates, through dust recycling device Inside injection to device, it is uniformly distributed in inside device, realizes flammable with fuel gas, flammable liquid through the stirring of antiknock blender Gas, flammable liquid, flammable solid powder multiphase mixed explosion.
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