CN105136601A - High-temperature thermal field and complex atmosphere environment static coupling device - Google Patents
High-temperature thermal field and complex atmosphere environment static coupling device Download PDFInfo
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- CN105136601A CN105136601A CN201510500903.0A CN201510500903A CN105136601A CN 105136601 A CN105136601 A CN 105136601A CN 201510500903 A CN201510500903 A CN 201510500903A CN 105136601 A CN105136601 A CN 105136601A
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Abstract
A high-temperature thermal field and complex atmosphere environment static coupling device includes a high-temperature atmosphere furnace, a gas circuit control unit and an exhaust gas excluder, the high-temperature atmosphere furnace comprises a heating chamber, the bottom of the heating chamber is provided with a gas inlet, the top of the heating chamber is provided with a gas outlet, the gas inlet of the heating chamber is connected with a gas outlet of the gas circuit control unit by a pipeline, the gas outlet of the heating chamber is connected with the exhaust gas excluder by a pipeline, the outer side of the high-temperature atmosphere furnace is provided with a weight measuring apparatus, a measuring end of the weight measuring apparatus is arranged in the heating chamber, the gas circuit control unit is connected with different gas storage high pressure gas cylinders by separate pipelines, each pipe is provided with a gas mass flow controller, the high-temperature thermal field and complex atmosphere environment static coupling device is simple and reliable in structure, easy to use and maintain, strong in atmosphere simulation capabilities, and high in use temperature, can be used for instant online measuring and recording of data, can be used for accurate and realistic simulation of aero-engine gas environment, chemical heat exchanger and other high-temperature and oxidation and corrosive atmosphere coexist actual working conditions.
Description
Technical field
The present invention relates to the static coupling device of a kind of high temperature thermal field and complicated atmosphere.
Background technology
Thermal structure material and high-temperature oxidation resistant, corrosion-resistant coating are applied to the strategic type industrial circles such as aeromotor, the energy, heavy chemical industry usually, and the height of its technical merit is all significant for the sound development and even national security ensureing national economy.The actual military service operating mode of thermal structure material and high-temperature oxidation resistant, corrosion-resistant coating, except high temperature, also has the existence of all kinds of corrosive gas composition usually.The coupling of high temperature and complex corrosion atmosphere makes the burn into inefficacy mechanism of this kind of material very complicated, and verifying rule wherein often becomes a difficult point in this kind of developing material process to instruct relevant material development.
In addition, when after the R&D work completing above-mentioned material, in order to ensure the reliable and stable of end product quality, be necessary to carry out performance test to it.For the consideration of the many factors such as technical feasibility, safety and cost, reliable method is first carried out fully material in the environment of simulation actual condition, comprehensively carries out actual entrucking examination again after detection.
In sum, a kind ofly can simulate thermal structure material and high-temperature oxidation resistant, the environmental simulation equipment of corrosion-resistant coating actual condition has indispensable effect in the R&D process of this kind of material.But the complicated atmosphere analog machine of the high temperature of Present Domestic still belongs to blank, and existing equipment is usually based on single high temperature furnace, and gases used composition is single, polycomponent cannot be provided and the controlled oxidation of composition and aggressive atmosphere environment.This kind equipment ubiquity existing simulated environment and actual condition difference is large, the deficiency that the test data obtained is with a low credibility.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and provide a kind of simple and reliable for structure, use, easy to maintenance, atmosphere analog capability is strong, serviceability temperature is high and can instant on-line measurement and record data, simulation that can be accurate, true to nature such as aeromotor combustion gas environment, the contour mild oxidation of chemical industry heat exchanger, aggressive atmosphere coexist the high temperature thermal field of actual condition and the static coupling device of complicated atmosphere, for simulating the actual Service Environment of thermal structure material and high-temperature oxidation resistant, corrosion-resistant coating.
To achieve these goals, the technical solution adopted in the present invention is:
The static coupling device of a kind of high temperature thermal field and complicated atmosphere, comprise high-temperature atmosphere furnace, route controller and waste gases discharging apparatus, described high-temperature atmosphere furnace comprises heating chamber, air intake opening is provided with bottom described heating chamber, top is provided with gas outlet, the air intake opening of described heating chamber is connected with the gas outlet of route controller by pipeline, the gas outlet of described heating chamber is connected with waste gases discharging apparatus by pipeline, Weight-measuring device is provided with outside described high-temperature atmosphere furnace, the measuring junction of described Weight-measuring device is arranged in described heating chamber and described measuring junction is provided with sample fixing device, described route controller comprises gas mixer and gas mass flow controller, described route controller stores gas cylinder by independently pipeline and gas with various and is connected, each described pipeline is all provided with gas mass flow controller, the outlet of described pipeline is connected with the import of described gas mixer by gathering pipeline, the gas outlet of described gas mixer is connected with the air intake opening of heating chamber by pipeline.
Described heating chamber is provided with vacuum orifice, and described vacuum orifice is connected with vacuum pump by pipeline.
Be provided with corundum backplate in described heating chamber Si-Mo rod in heating chamber and air intake opening and gas outlet seal are isolated.
Described Weight-measuring device comprises the gentle computing machine in data record analysis sky for measuring test specimen weight in real time, described data record analysis balance is sealed in outside the gas outlet of heating chamber by gas-tight enclosure, the measuring junction of described data record analysis balance is provided with platinum-rhodium alloy suspension, described platinum-rhodium alloy suspension enters in heating chamber from described gas outlet and is connected with test specimen, described data record analysis balance is connected with computing machine, the real time data of described computer recording storage data record analysis balance.
Described waste gases discharging apparatus comprises base and gas exhaust duct, described gas exhaust duct is arranged on base, the middle part of described gas exhaust duct is provided with pipe type fan, the rear intersegmental part of described gas exhaust duct forms draining section by two by the isolation of heat radiation orifice plate, be provided with multiple baffle between heat radiation orifice plate in the draining section of described gas exhaust duct, described gas exhaust duct is provided with draining valve in the bottom of draining section.
Described gas storage gas cylinder comprises N
2, O
2, CO, CO
2, SO
2and SO
3the gas cylinder of six kinds of gases, with described N
2the pipeline of the gas cylinder connection of gas is connected with humidification pipeline by a T-valve, and the described other end of humidification pipeline is connected with the import of gas mixer, and described humidification pipeline is provided with steam evaporator.
Described humidification pipeline is wound around electric-heating belt outward, and described electric-heating belt outside is fixed by heat sensitive adhesive tape and scum rubber pipe.
The inlet tube of described heating chamber adopts the corundum sleeve pipe of band sealing cap, and the outside of described sealing cap is provided with porous oxidation aluminium sheet.
Described gas mixer is tubular gas mixer.
Owing to adopting such scheme, this device realizes the accurate control for gas flow (composition) by mass flow controller; Double-loop air line structure realizes the switching between moisture vapor atmosphere and dry atmosphere pattern, and is aided with the precision that air preheat pipeline ensures gas water content; On-line measurement device realizes the continuous coverage record for sample quality delta data; Rational high-temperature atmosphere furnace chamber structure design ensures the serviceable life of all even equipment in burner hearth internal gas flow field; Exhaust emission system ensures the timely discharge of waste gas, and Protection operating personnel's is healthy.Whole apparatus structure is simple and reliable, use, easy to maintenance, atmosphere analog capability is strong, serviceability temperature is high and can instant on-line measurement and record data, the actual condition that simulation such as aeromotor combustion gas environment, the contour mild oxidation of chemical industry heat exchanger, aggressive atmosphere that can be accurate, true to nature coexist.
Accompanying drawing explanation
Fig. 1 is total arrangement of the present invention schematic diagram;
Fig. 2 is the structural representation of high temperature air valve stove of the present invention;
Fig. 3 is route controller structural representation of the present invention;
Fig. 4 is the structural representation of exhaust extractor of the present invention;
In figure, 1. steam evaporator 2. tubular gas mixer 3. retaining valve 4. air preheat pipeline 5. air preheat pipeline temperature controller 6. computing machine 7. data record analysis balance 8. exhaust extractor 9. vacuum pump 10 gas cylinder 11 stand 12. route controller 13. high-temperature atmosphere furnace 14. gas cowling panel 15. corundum backplate 16. Si-Mo rod 17. sample 18. platinum-rhodium alloy suspension 19. thermofin 20. gas-tight enclosure 21. mounting seat 22. high-precision gas mass flow controller 26. baffle 27. dispels the heat orifice plate 28 pipe type fan 29. draining valve 30. base.
Embodiment
Below in conjunction with accompanying drawing, further describe the embodiment of this patent.
As shown in Figures 1 to 4, the static coupling device of a kind of high temperature thermal field and complicated atmosphere, comprise the high-temperature atmosphere furnace 13 be fixed on stand 11, route controller 12 and waste gases discharging apparatus 8, described high-temperature atmosphere furnace 13 comprises heating chamber and thermofin 19, heating chamber is isolated from the outside by thermofin 19, air intake opening is provided with bottom described heating chamber, top is provided with gas outlet, Si-Mo rod 16 is provided with as calandria in heating chamber, in heating chamber, be provided with corundum backplate 15 Si-Mo rod in heating chamber 16 is isolated with air intake opening and gas outlet seal, mitigate corrosion atmosphere is for the damage of heater Si-Mo rod 16, extend heater serviceable life, the air intake opening of described heating chamber is connected by the gas outlet of pipeline with route controller 12, the gas outlet of described heating chamber is connected with waste gases discharging apparatus 8 by pipeline, the inlet tube of described heating chamber adopts the corundum sleeve pipe of band sealing cap, the outside of described sealing cap is provided with porous oxidation aluminium sheet,
The computing machine 6 of data record analysis the balance 28 and record storage data measuring test specimen weight is in real time provided with outside described high-temperature atmosphere furnace 13, described data record analysis balance 7 is sealed in outside the gas outlet of heating chamber by gas-tight enclosure 20, the measuring junction of described data record analysis balance 7 is provided with platinum-rhodium alloy suspension 18, described platinum-rhodium alloy suspension 18 enters in heating chamber from described gas outlet and is connected with test specimen 17, and described data record analysis balance 7 is connected with computing machine 6;
Described route controller 12 comprises tubular gas mixer 2 and gas mass flow controller 22, described route controller 12 passes through independently pipeline and is connected with the gas cylinder 10 storing gas with various, each described pipeline is all provided with gas mass flow 22 controller, in this example, described gas cylinder comprises N
2, O
2, CO, CO
2, SO
2and SO
3the gas cylinder of six kinds of gases, with described N
2the pipeline of the gas cylinder connection of gas is connected with humidification pipeline by a cutting ferrule 3-way valve, the other end of described humidification pipeline is connected with the import of gas mixer by cutting ferrule ball valve, described humidification pipeline is provided with gas in steam evaporator 1 pair of pipeline and carries out humidification, described humidification pipeline is preheating pipeline, humidification pipeline is wound around electric-heating belt heating outward, described electric-heating belt outside is fixed by heat sensitive adhesive tape and scum rubber pipe and is incubated, preheating pipeline maximum heating temperature is 120 DEG C, the outlet of all pipelines is connected with the import of described tubular gas mixer 2 by gathering pipeline, the gas outlet of described tubular gas mixer 2 is connected with the air intake opening of heating chamber by retaining valve 3, the air intake opening of described heating chamber is provided with gas cowling panel 14, ensure the even of air inlet.Described heating chamber is provided with vacuum orifice, and described vacuum orifice is connected with vacuum pump 9 by pipeline.
Described waste gases discharging apparatus 8 comprises base 30 and gas exhaust duct, described gas exhaust duct is arranged on base 30, the middle part of described gas exhaust duct is provided with pipe type fan 28, the rear intersegmental part of described gas exhaust duct forms draining section by two by the isolation of heat radiation orifice plate 27, be provided with multiple baffle 26 between heat radiation orifice plate in the draining section of described gas exhaust duct, described gas exhaust duct is provided with draining valve 29 in the bottom of draining section.
Embodiment 1
Utilize analog temperature of the present invention to be 1500 DEG C, gas componant is N
270%, O
220%, CO1%, CO
28%, SO
20.2%, SO
3the high-temperature fuel gas atmosphere of 0.8%: testing sample is put into the test ware hung by platinum-rhodium alloy suspension 18, closed high temperature atmosphere furnace 13, setting heating schedule, after temperature rises to 1500 DEG C and enters the constant temperature stage, rotate cutting ferrule 3-way valve, close cutting ferrule ball valve simultaneously, switch to combustion gas environment gas circuit.Open the switch of various types of gas high pressure gas cylinder 15, connect the power supply of gas mass flow controller 22, set the flow value of all kinds of gas in the ratio formulating gas componant: N
2~ 350mL/min, O
2~ 100mL/min, CO ~ 5mL/min, CO
2~ 40mL/min, SO
2~ 1mL/min, SO
3~ 4mL/min, opening conduits formula blower fan 28 is with combustion gas.The mass change of the automatic test samples 17 of data record analysis balance 7 also sends data to computing machine 6 and carries out data record and analysis.
Embodiment 2
Analog temperature of the present invention is utilized to be 1400 DEG C, air+10%H
2the water oxygen environment of O: testing sample is put into the test ware hung by platinum-rhodium alloy suspension 18, closed high temperature atmosphere furnace 13, setting heating schedule, after temperature rises to 1400 DEG C and enters the constant temperature stage, rotate cutting ferrule 3-way valve, open cutting ferrule ball valve simultaneously, switch to water oxygen environment gas circuit.It is 100 DEG C that air preheat pipeline temperature controller 5 arranges preheat temperature, and after connecting air preheat pipeline 4 power supply, preheating is fetched boiling water after 20 minutes steam generator 1 setup parameter is 10%H to there is humidity
2o.Open N
2and O
2gas high pressure gas cylinder valve, connect the N that is arranged in mounting seat 21
2and O
2the power supply of high-precision gas mass flow controller 22, according to composition of air ratio (N
278%, O
221%) N is set
2and O
2flow value: N
2~ 390mL/min, O
2~ 105mL/min.Opening conduits formula blower fan 28 is with combustion gas.The mass change of the automatic test samples 17 of data record analysis balance 7 also sends data to computing machine 6 and carries out data record and analysis.
Embodiment set forth in the present invention is only a part of embodiment of the present invention, and the embodiment of not all.Based on the embodiment in the present invention, those skilled in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Claims (9)
1. the static coupling device of a high temperature thermal field and complicated atmosphere, comprise high-temperature atmosphere furnace, route controller and waste gases discharging apparatus, it is characterized in that: described high-temperature atmosphere furnace comprises heating chamber, air intake opening is provided with bottom described heating chamber, top is provided with gas outlet, the air intake opening of described heating chamber is connected with the gas outlet of route controller by pipeline, the gas outlet of described heating chamber is connected with waste gases discharging apparatus by pipeline, Weight-measuring device is provided with outside described high-temperature atmosphere furnace, the measuring junction of described Weight-measuring device is arranged in described heating chamber and described measuring junction is provided with sample fixing device, described route controller comprises gas mixer and gas mass flow controller, described route controller stores gas cylinder by independently pipeline and gas with various and is connected, each described pipeline is all provided with gas mass flow controller, the outlet of described pipeline is connected with the import of described gas mixer by gathering pipeline, the gas outlet of described gas mixer is connected with the air intake opening of heating chamber by pipeline.
2. the static coupling device of high temperature thermal field according to claim 1 and complicated atmosphere, it is characterized in that: described heating chamber is provided with vacuum orifice, described vacuum orifice is connected with vacuum pump by pipeline.
3. the static coupling device of high temperature thermal field according to claim 2 and complicated atmosphere, is characterized in that: be provided with corundum backplate in described heating chamber and Si-Mo rod in heating chamber and air intake opening and gas outlet seal isolated.
4. the static coupling device of high temperature thermal field according to claim 3 and complicated atmosphere, it is characterized in that: described Weight-measuring device comprises the computing machine of the gentle record storage data in data record analysis sky for measuring test specimen weight in real time, described data record analysis balance is sealed in outside the gas outlet of heating chamber by gas-tight enclosure, the measuring junction of described data record analysis balance is provided with platinum-rhodium alloy suspension, described platinum-rhodium alloy suspension enters in heating chamber from described gas outlet and is connected with test specimen, and described data record analysis balance is connected with computing machine.
5. the static coupling device of high temperature thermal field according to claim 4 and complicated atmosphere, it is characterized in that: described waste gases discharging apparatus comprises base and gas exhaust duct, described gas exhaust duct is arranged on base, the middle part of described gas exhaust duct is provided with pipe type fan, the rear intersegmental part of described gas exhaust duct forms draining section by two by the isolation of heat radiation orifice plate, be provided with multiple baffle between heat radiation orifice plate in the draining section of described gas exhaust duct, described gas exhaust duct is provided with draining valve in the bottom of draining section.
6., according to the static coupling device of the high temperature thermal field one of claim 1 to 5 Suo Shu and complicated atmosphere, it is characterized in that: described gas storage gas cylinder comprises N
2, O
2, CO, CO
2, SO
2and SO
3the gas cylinder of six kinds of gases, with described N
2the pipeline of the gas cylinder connection of gas is connected with humidification pipeline by a T-valve, and the described other end of humidification pipeline is connected with the import of gas mixer, and described humidification pipeline is provided with steam evaporator.
7. the static coupling device of high temperature thermal field according to claim 6 and complicated atmosphere, is characterized in that: described humidification pipeline is wound around electric-heating belt outward, and described electric-heating belt outside is fixed by heat sensitive adhesive tape and scum rubber pipe.
8. the static coupling device of high temperature thermal field according to claim 1 and complicated atmosphere, is characterized in that: the inlet tube of described heating chamber adopts the corundum sleeve pipe of band sealing cap, and the outside of described sealing cap is provided with porous oxidation aluminium sheet.
9. the static coupling device of high temperature thermal field according to claim 1 and complicated atmosphere, is characterized in that: described gas mixer is tubular gas mixer.
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| CN201510500903.0A CN105136601A (en) | 2015-08-14 | 2015-08-14 | High-temperature thermal field and complex atmosphere environment static coupling device |
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|---|---|---|---|
| CN201510500903.0A CN105136601A (en) | 2015-08-14 | 2015-08-14 | High-temperature thermal field and complex atmosphere environment static coupling device |
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ID=54722031
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105842081A (en) * | 2016-05-06 | 2016-08-10 | 华能国际电力股份有限公司 | High-temperature lasting test device and method for environment corrosion |
| CN106092813A (en) * | 2016-06-14 | 2016-11-09 | 武汉科技大学 | A kind of Thermal Properties of Coke determinator and method |
| CN106482522A (en) * | 2016-10-12 | 2017-03-08 | 安徽贝意克设备技术有限公司 | A kind of tube furnace that can be in process of the test to samples weighing measurement in test tube |
| CN106525701A (en) * | 2016-10-27 | 2017-03-22 | 长春机械科学研究院有限公司 | High-frequency fatigue superheat testing device of oxyhydrogen steam environment |
| CN112197592A (en) * | 2020-10-21 | 2021-01-08 | 上海大学绍兴研究院 | Non-contact high-temperature furnace |
| CN112557292A (en) * | 2020-11-30 | 2021-03-26 | 西北有色金属研究院 | Device and method for evaluating ultrahigh-temperature water vapor oxidation corrosion of zirconium alloy coating |
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| CN105842081A (en) * | 2016-05-06 | 2016-08-10 | 华能国际电力股份有限公司 | High-temperature lasting test device and method for environment corrosion |
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| CN112197592A (en) * | 2020-10-21 | 2021-01-08 | 上海大学绍兴研究院 | Non-contact high-temperature furnace |
| CN112557292A (en) * | 2020-11-30 | 2021-03-26 | 西北有色金属研究院 | Device and method for evaluating ultrahigh-temperature water vapor oxidation corrosion of zirconium alloy coating |
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