CN107998985A - A kind of method and reaction unit for simulating working condition measurement metal material burning behavior - Google Patents
A kind of method and reaction unit for simulating working condition measurement metal material burning behavior Download PDFInfo
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- CN107998985A CN107998985A CN201711380388.2A CN201711380388A CN107998985A CN 107998985 A CN107998985 A CN 107998985A CN 201711380388 A CN201711380388 A CN 201711380388A CN 107998985 A CN107998985 A CN 107998985A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/002—Component parts of these vessels not mentioned in B01J3/004, B01J3/006, B01J3/02 - B01J3/08; Measures taken in conjunction with the process to be carried out, e.g. safety measures
Abstract
A kind of method and reaction unit for simulating working condition measurement metal material burning behavior, belongs to metal burning field.Described method includes following steps：(1) sample is made：(2) anti-splashing device is installed；(3) sample is installed；(4) vacuumize, vacuum 0MPa to 1MPa；(5) sample integrally heats：Temperature is up to 20 DEG C -1400 DEG C；(6) gas is filled with to requiring pressure 0.01MPa -70MPa；(7) pressure is adjusted：(8) it is local to light sample：(9) by the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature change, pressure change in pressure measuring unit record system；(10) vacuumize：(11) sample is taken out.The reaction unit includes specimen holder, the periphery of the specimen holder sets anti-splashing device, the specimen holder is in the environment of two groups of coils and gas circulation device, two groups of coils, which can be realized, locally lights sample entirety temperature control, and the present apparatus realizes the test to material combustion performance under the conditions of with or without ignition substance.
Description
Technical field
The present invention relates to a kind of method and reaction unit of contactless simulation working condition measurement metal material burning behavior, belong to
In metal burning field.
Background technology
Under oxygen-enriched, high keto sectional pressure or other atmospheric conditions, most metal materials can occur one kind and both be different from oxygen
Change, also different from fusing, and be analogous to the combustion phenomena of the materials such as timber, nylon, i.e. metal burning.Its feature is shown as：
The drastically rise of temperature, produces flame, sends glare and with the violent release of heat.The former Soviet Union and the space flight in the U.S.
Liquid oxygen/kerosene, hydrogen oxygen engine there occurs a series of explosions catastrophic failure.There is rocket in the U.S. and space shuttle starts
The explosion phenomenon of machine.Found through analysis, in the case of about 450~600 DEG C of operating temperature, metal material both engine occurs
Different from fusing, also different from the metal material under failure mode, that is, high temperature of oxidation corrosion the temperature less than fusing point there occurs
As the similar pyrophoricity accident phenomenon such as timber, nylon.Such as：1980, Johnson space center test site was exploded, scene hair
This existing explosion is caused by the burning of engine second level aluminum adjusting raft；At that time, oxygen pressure was up to 6000Psi (41.4MPa)；1992
August, Marshall Aviation Center 116 testing stand in the U.S.'s pads made of 316L, A286 stainless steel and piston is rich in 35MPa high pressures
Occur to burn under oxygen and cause system to be exploded, the fragment of explosion is scattered in 80 meters of remote places；Same accident also occurs for the former Soviet Union
Repeatedly.There is the risk of burning in the metal material that the fields such as space flight, aviation, rapid-fire weapon and automobile use, once hair
The burning of green material, can produce serious consequence.In 1975, U.S. material test association (ASTM) set up the G-4 committees,
The stability for being material under oxygen-enriched environment and sensitiveness formulate standard ASTM G-124.The U.S. and Russia are in the oxygen-enriched combustion of metal
Burning field is studied for many years, and to material, combustion law has the understanding of system under excess oxygen, is its aerospace industry
Development plays important impetus.China recognizes the problem of this relation rocket engine is safe in 1999, starts this
The research of aspect.China's novel high-pressure afterburning circulation high-thrust rocket working environment is big flow, high temperature, high pressure, height
Oxygen rich fuel gas, engine material dominant failure mode is burning on this condition.The country does not have also test metal material to exist at present
Lighted in no ignition substance, certain atmosphere, spontaneous combustion, the test method and equipment of combustibility.
Research work and its pertinent literature patent of report are seen in contrast foreign countries, existing test metal material burning behavior
Method still suffers from certain limitation：Ignition substance need to be added when the 1st, testing, it is impossible to control heat to input, it is impossible to Accurate Determining sample
Ignition temperature；2nd, using ignition device of the resistance wire ignition method as experiment, its temperature is uncontrollable, influences test accuracy；
3rd, temperature-controllable is poor, can not Simulated Service material very fast elevated situation of temperature when being on active service；
The content of the invention
The present invention provides a kind of method and reaction unit of contactless simulation working condition measurement metal material burning behavior, main
It is related to burning behavior and its test system of the metal material in no ignition substance, certain temperature and gas atmosphere, realizes examination
Sample temperature section is controllable, lighted without ignition substance, ignition temperature is controllable and multiple gases atmosphere in test, a variety of military service works can be carried out
The test of material under condition, improves the accuracy of material combustion performance testing.
Test material of the present invention burning behavior method under the conditions of high-temperature oxygen-enriched, its specific implementation step include：
(1) sample is made：Test material is processed into certain elongate in shape (Filamentous, bar-shaped, sheet, block or similar clothes
Use as a servant part shape) size range transverse direction ultimate range≤15mm, length 20mm-200mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -0.1MPa to -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum -0.1MPa to -1MPa；
(5) heat：Sample is heated to by design temperature (reference material by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil
Service temperature) 20 DEG C -1400 DEG C, held for some time, is tested by temperature measuring equipment, it is ensured that and sample reaches design temperature,；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen or mixed gas to requiring pressure (0.01MPa-70MPa)；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 300 DEG C -1700 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, system is extracted out by vacuum plant
Internal gas, vacuum 0 to -1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
In step (1), test material sample processing request surface roughness Ra≤8 μm, then clean out it
The impurity such as the greasy dirt and oxide on surface；
In step (2), anti-splashing device makes for thermostable transparent material (such as quartz glass), and upper and lower opening is cylindric.
Since metal burning is extremely violent, anti-splashing device can prevent combustion product splashes, and easy to collect, upper and lower opening is conducive to
Internal gas flow communication, transparent material are conducive to experimentation shooting observation；
In step (5), heating-up temperature is determined according to test material service temperature, and insulation is to make material soaking, preventing core
Portion and surface temperature are inconsistent.The design temperature for being heated to 20 DEG C -1400 DEG C.
In step (6), the aerating device may be implemented in the gas such as mixed gas, high keto sectional pressure, other high oxidative gases
Material combustion behavior under atmosphere environment；
In step (6), since combustion reaction is violent, completed within the extremely short time, the gas circulation device promotes anti-
Device inner air flow is answered, ensures the supply of combustion front gas；It is described that to require pressure be 0.01MPa -80MPa.
In step (7), the feeding pressure stabilizing device is to ensure that reaction unit internal pressure is stablized；Consumed during burning internal
After gas, feeding pressure stabilizing device can be filled with automatically with same gas in device, with ensure react before, reaction carry out when, reaction after
Pressure stability；The pressure-relief device, when pressure exceedes equipment safety scope, can automatically open up adjusting pressure, in order to avoid occur
It is dangerous.
In step (8), the radio-frequency induction coil lights sample at 300 DEG C -1700 DEG C, can be according to device internal gas
Pressure and material setting ignition temperature.
In step (9), metal sends discomfort glare in burning, and judgement burning terminates can be luminous according to being whether there is in system
Depending on point and temperature measuring equipment temperature decline.
A kind of reaction unit for simulating working temperature test metal material burning behavior, inside sets telescopic rod；Safety device, examination
Sample fixing device, gas flow means, sample, Medium frequency induction coil, radio-frequency induction coil, anti-splashing device, sample collection cup.
At the top of reaction unit and side is provided with peep hole, and video camera is housed on observation panel.Reaction unit inside top is hung with resistance to
High-temperature insulation telescopic rod, telescopic rod being capable of adjusting sample folder positions.Sample fixing device is connected by safety device with specimen holder,
Sample is vertically fixed on sample fixing device, and specimen holder and sample are in the environment of heating unit and gas circulation device,
The gas circulation device is connected with external inflation device, feeding pressure stabilizing device, and the gas circulation device can be in promotion system
Portion's gas flowing.Anti-splashing device top is wound with Medium frequency induction coil, and lower part winding radio-frequency induction coil, lower section is equipped with sample
Collection cups, anti-splashing device periphery set cooling device.
Medium frequency induction coil is wound with by anti-splashing device top, lower part winding radio-frequency induction coil can carry out sample
Overall temperature control, lower part winding radio-frequency induction coil can realize local light.Two groups of coils can be realized local to sample entirety temperature control
Light, therefore the test to material combustion performance can be realized under the conditions of with or without ignition substance.
Described device further includes pressure-relief device, temperature measuring equipment, pressure measuring unit, cooling device.The temperature measuring equipment note
Record burning when sample different parts and system in temperature change.The cooling device is arranged in pairs or groups with quick-release arrangement in peep hole
Sample can be replaced rapidly, greatly shorten test period.
Described device further includes peep hole and video camera, and the peep hole and video camera can record whole combustion process.
The present invention it is a kind of it is contactless simulation working temperature test metal material burning behavior method and apparatus, have with
Lower advantage：
1st, easy to operation, experiment safety is high.
2nd, using overall temperature control local non-contact formula ignition method, measurement ignition temperature, and simulation operating mode are accurately controlled.
3rd, using sensing heating, firing rate is fast, can simulate work materials under extreme operating condition, such as：Rocket engine material,
Rapid-fire weapon barrel uses material etc..
4th, applicability is high, can simulate the combustion of material under the conditions of working temperature (20 DEG C -1400 DEG C), oxygen pressure (0MPa-70MPa)
Burning behavior.
5th, can be caught fire spy with different materials under the same atmospheric condition of quantitative reaction or same material under the conditions of different atmosphere
Property and flame resistant ability, for material selection and design foundation is provided.
6th, ignition temperature that can be with quantitative test material under certain atmosphere, or occur under certain temperature it is ablaze most
Low oxygen pressure.
Brief description of the drawings
Fig. 1 is the reaction unit structure chart that present invention simulation working temperature tests metal material burning behavior
1- video cameras；2- observation panels；3- quick-release arrangements；4- feeding pressure stabilizing devices；5- aerating devices；6- pressure securities
Device；7- vacuum plants；8- cooling devices；9- induction coil cooling devices；10- supply units；11- pressure measuring units；12- thermometrics
Device；13- reaction units；14- telescopic rods；15- safety devices；16- sample fixing devices；17- gas flow means；18- is tried
Sample；19- Medium frequency induction coils；20- radio-frequency induction coils；21- anti-splashing devices；22- sample collection cups
Embodiment
With reference to the accompanying drawings and examples, the present invention is described in more detail.
The invention mainly relates to it is a kind of it is contactless simulation working condition measurement metal material burning behavior method and apparatus, such as
It is system structure diagram shown in Fig. 1.
Embodiment 1：Pure Fe
(1) sample is made：It is bar-shaped that test material is processed into Φ 3.2mm*70mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum to -1MPa；
(5) heat：Sample is heated to by 40 DEG C of design temperature by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil, is kept the temperature
Certain time, is tested by temperature measuring equipment, it is ensured that sample reaches design temperature；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen 1MPa；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 1180-1220 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, system is extracted out by vacuum plant
Internal gas, vacuum -1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
Embodiment 2：Pure Al
(1) sample is made：It is bar-shaped that test material is processed into Φ 3.2mm*70mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum to -1MPa；
(5) heat：Sample is heated to by 40 DEG C of design temperature by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil, is kept the temperature
Certain time, is tested by temperature measuring equipment, it is ensured that sample reaches design temperature；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen 0.5MPa；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 1000-1100 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, system is extracted out by vacuum plant
Internal gas, vacuum -1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
Embodiment 3：Fe95Ni5 bianry alloys
(1) sample is made：It is bar-shaped that test material is processed into Φ 3.2mm*70mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum to -1MPa；
(5) heat：Sample is heated to by 40 DEG C of design temperature by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil, is kept the temperature
Certain time, is tested by temperature measuring equipment, it is ensured that sample reaches design temperature；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen 20MPa；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 1400-1600 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, system is extracted out by vacuum plant
Internal gas, vacuum -1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
Embodiment 4：Pure Ni
(1) sample is made：It is bar-shaped that test material is processed into Φ 3.2mm*70mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum to -1MPa；
(5) heat：Sample is heated to by 40 DEG C of design temperature by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil, is kept the temperature
Certain time, is tested by temperature measuring equipment, it is ensured that sample reaches design temperature；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen 60MPa；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 1500-1600 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：Sample is not ignited, stop heating, by vacuum plant extract out internal system gas, vacuum-
1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
Embodiment 5：Fe95Cr5 bianry alloys
(1) sample is made：It is bar-shaped that test material is processed into Φ 3.2mm*70mm；
(2) anti-splashing device is installed：The anti-splashing device can prevent splashing during vigorous combustion, be conducive to protection sensing
Coil and other devices of equipment and collecting reaction product；
(3) sample is installed：One end is fixed on the fool proof sample fixing device of Fig. 1 equipment belts, by adjusting
Sample fixing device, makes sample bottom be in radio-frequency induction coil induction zone, and sample remainder is in Medium frequency induction coil
Induction zone in；
(4) vacuumize：After step (3) dress sample, reaction unit is sealed, opens vacuum plant, extracts inner air, vacuum out
Reach -1MPa, be filled with argon gas to 1MPa, vacuumize again, vacuum to -1MPa；
(5) heat：Sample is heated to by 40 DEG C of design temperature by Fig. 1 Medium frequency inductions coil, radio-frequency induction coil, is kept the temperature
Certain time, is tested by temperature measuring equipment, it is ensured that sample reaches design temperature；
(6) it is filled with gas：After step (5) medium temperature rises to design temperature, open aerating device and gas circulation device fills
Enter oxygen 40MPa；
(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through
Feeding pressure stabilizing device is adjusted and systems stabilisation gas pressure to experimental test requires pressure, and the pressure-relief device can prevent from trying
Experiment device pressure overload is caused danger；
(8) light：By radio-frequency induction coil heating sample bottom, sample is lighted at 1400-1600 DEG C；
(9) observation and record：By the whole combustion process of camera record, temperature measuring equipment record burning test specimen temperature becomes
Change, pressure change in pressure measuring unit record system；
(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, system is extracted out by vacuum plant
Internal gas, vacuum -1MPa；
(11) sample is taken out：Cooling device is opened, treats that whole system is cooled to room temperature, takes out combustion product and uncombusted examination
Sample.
Claims (8)
- A kind of 1. method for simulating working temperature test metal material burning behavior, it is characterised in that the test method includes Following steps：(1) sample is made：Test material is processed into certain elongate in shape, size range horizontal maximum size≤15mm, length 30mm-200mm；Test material for can sensing heating, elongate in shape includes Filamentous, bar-shaped, sheet, block or similar military service part Shape；(2) anti-splashing device is installed：Protect induction coil and equipment other devices, collect combustion product；(3) sample is installed：One end is fixed on specimen holder, sample bottom is in radio-frequency induction coil induction zone, sample Remainder is in the induction zone of Medium frequency induction coil；(4) vacuumize：Vacuum extractor is opened, extracts inner air out, vacuum reaches -0.1MPa to -1MPa, is filled with argon gas extremely 1MPa, vacuumizes again, vacuum 0MPa to -2MPa；(5) heat：Sample is heated rapidly to design temperature by Medium frequency induction coil, radio-frequency induction coil to keep the temperature, it is ensured that examination Sample each several part reaches design temperature；(6) it is filled with gas：After step (5) temperature rise is to design temperature, opens aerating device and gas circulation device is filled with oxygen Or mixed gas is to requiring pressure；(7) pressure is adjusted：Synchronous with step (6), system automatically opens up feeding pressure stabilizing device, pressure-relief device, passes through pressure Stabilising arrangement adjust and systems stabilisation gas pressure to experimental test require pressure, and keep reaction before, reaction carry out when, reaction System atmosphere pressure stability afterwards；The pressure-relief device can prevent experimental rig pressure overload from causing danger；(8) light：Sample bottom is passed through by the contactless ignition temperature for being heated rapidly to setting by radio-frequency induction coil；(9) observation and record：By the whole combustion process of camera record, atmosphere and burning test specimen in temperature measuring equipment tape deck Different parts temperature change, pressure change in pressure measuring unit record system；(10) vacuumize：From peep hole it was observed that after combustion reaction, stop heating, internal system is extracted out by vacuum plant Gas, vacuum 0 to -1MPa；(11) sample is taken out：Cooling device is opened, treats that whole side test system is cooled to room temperature, takes out combustion product and uncombusted examination Sample.
- 2. the method for working temperature test metal material burning behavior is simulated according to claim 1, it is characterised in that step (2) anti-splashing device described in is upper and lower opening cylindrical shape thermostable transparent material.
- 3. the method for working temperature test metal material burning behavior is simulated according to claim 1, it is characterised in that step (5) sample is heated to 20 DEG C -1450 DEG C of design temperature described in.
- 4. the method for working temperature test metal material burning behavior is simulated according to claim 1, it is characterised in that step (6) Described in require the pressure to be 0.1MPa -80MPa.
- 5. the method for working temperature test metal material burning behavior is simulated according to claim 1, it is characterised in that step (8) radio-frequency induction coil described in lights sample bottom for 300 DEG C -1700 DEG C by cordless in temperature.
- 6. a kind of reaction unit for the simulation working temperature test metal material burning behavior for implementing claim 1 the method, It is characterized in that telescopic rod is set in reaction unit；Safety device, sample fixing device, gas flow means, sample, Medium frequency induction Coil, radio-frequency induction coil, anti-splashing device, sample collection cup；At the top of reaction unit and side is provided with peep hole, and is observing Video camera is housed on mouth；Reaction unit inside top is hung with high-temperature insulation telescopic rod, and telescopic rod being capable of adjusting sample folder position Put；Sample fixing device is connected by safety device with specimen holder, and sample is vertically fixed on sample fixing device, specimen holder and Sample is in the environment of heating unit and gas circulation device；The gas circulation device and external inflation device, pressure are steady Determine device connection, the gas circulation device can promotion system internal gas flow；Anti-splashing device top is wound with intermediate frequency sense Coil, lower part winding radio-frequency induction coil are answered, lower section is equipped with sample collection cup, and anti-splashing device periphery sets cooling device；Sense Answer coil to realize locally to light sample entirety temperature control, therefore can be realized under the conditions of with or without ignition substance to material combustion The test of energy.
- 7. the reaction unit of simulation working temperature test metal material burning behavior as claimed in claim 6, it is characterised in that institute State device and further include pressure-relief device, temperature measuring equipment, pressure measuring unit, cooling device；Tried during the temperature measuring equipment record burning Temperature change in sample different parts and system；The cooling device can be replaced rapidly with quick-release arrangement collocation in peep hole Sample, greatly shortens test period.
- 8. the reaction unit of simulation working temperature test metal material burning behavior as claimed in claim 1, it is characterised in that institute State and Medium frequency induction coil is wound with by anti-splashing device top, winding radio-frequency induction coil in lower part can carry out sample overall control Temperature, lower part winding radio-frequency induction coil can realize local light.
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