CN104976929A - Simulation air source device - Google Patents
Simulation air source device Download PDFInfo
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- CN104976929A CN104976929A CN201510237667.8A CN201510237667A CN104976929A CN 104976929 A CN104976929 A CN 104976929A CN 201510237667 A CN201510237667 A CN 201510237667A CN 104976929 A CN104976929 A CN 104976929A
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- tank body
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Abstract
The invention discloses a simulation air source device which comprises a tank body, a gas exhaust device, a gas temperature maintaining device, a water and carbon dioxide content proportion control device and an oxygen inflation device. The outer portion of the tank body is provided with a heat insulation wrapping layer. The gas exhaust device comprises a pressure gauge, an electromagnetic valve, an electric regulating pressure-reducing valve, a throttling ring and a deflating outlet in sequence in the gas flowing direction. The gas temperature maintaining device comprises a power source, a temperature controller, a temperature sensor, an electric heater and a heat accumulator. The temperature sensor, the electric heater and the heat storage device are arranged in an inner cavity of the tank body. A large number of metal steel balls are arranged in the heat storage device to serve as heat storage bodies. The water and carbon dioxide content proportion control device comprises a water adding sub-device and a carbon dioxide adding sub-device. The simulation air source device solves the problem that an existing air source device cannot meet the testing requirement of a self-pressurization test system of a liquid oxygen tank of a certain type of launch vehicle, self-pressurization gas similar to an engine evaporator can be obtained, and pressurization gas with different content ratios of flow, temperature, water and carbon dioxide can also be obtained.
Description
Technical field
The present invention relates to a kind of Simulated gas source apparatus, particularly relate to a kind of Simulated gas source apparatus for the test of carrier rocket Autogeneous pressurization.
Background technology
Certain type carrier rocket liquid oxygen tank of a new generation is intended adopting Autogeneous pressurization technology, namely from engine liquid oxygen road, draw one liquid oxygen and enter liquid oxygen tank supercharging after engine evaporative device is heat vaporized, due to the particularity of liquid oxygen extraction location, containing a certain amount of water and carbon dioxide in liquid oxygen, and there is certain deviation in liquid oxygen flow, therefore containing a certain amount of water and carbon dioxide impurities gas in the oxygen after heat vaporized, there is certain deviation in pressurization gas flow; Heating power again because of engine evaporative device is certain, and therefore the temperature of pressurization gas also exists certain deviation.For whether checking steam and the crystal that formed in liquid oxygen of carbon dioxide impurity meet boosting capability requirement to the impact of pressurizing transmission system and pressurization gas flow and temperature deviation, Autogeneous pressurization test need be carried out, and build Autogeneous pressurization pilot system and first need to develop a kind of Simulated gas source apparatus, so that the pressurization gas of large discharge and high temperature can be produced by simulated engine, and the situation containing a certain proportion of water and carbon dioxide impurity in gas.
But existing known compressed air source unit is generally normal temperature gas tank storage facility, and gas is generally compressed air, nitrogen or helium, by the venting of decompression large discharge, gas temperature significantly can reduce by near adiabatic process.And above-mentioned Autogeneous pressurization to test pressurization gas used be oxygen containing water and carbon dioxide, need the content ratio controlling water and carbon dioxide, and control gas flow between 0.8 ~ 2.4kg/s, gas temperature remains 390 ± 40K, and existing compressed air source unit cannot meet the requirement of Autogeneous pressurization pilot system test.
Summary of the invention
In order to solve the blank of certain type carrier rocket pressurizing transmission system Autogeneous pressurization lab-size equipment of a new generation, the invention provides a kind of steam and carbon dioxide impurity content ratio is adjustable, the regulatable Simulated gas source apparatus of gas temperature under large discharge.Whole Simulated gas source apparatus is primarily of compositions such as tank body, electric heater, temperature controller, storage heater, motorized adjustment pressure-reducing valve, throttle, water quantitative filling measuring pump and quantitative carbon dioxide filling mass flow controllers.
Above-mentioned purpose of the present invention is achieved by following technical solution:
A kind of Simulated gas source apparatus, it comprises:
Tank body, described tank body outside is provided with adiabatic clad; Adiabatic clad can adopt adiabatic clad material such as insulation material to make;
Gas exhausting device, comprises Pressure gauge, magnetic valve, motorized adjustment pressure-reducing valve, throttle and bleeder holes successively according to gas flow, and wherein said motorized adjustment pressure-reducing valve and described throttle form a gas delivery flow Control Component;
Gas temperature holding device, comprise power supply, temperature controller, temperature sensor, electric heater and storage heater, wherein said temperature sensor, electric heater and storage heater are arranged in described tank inner chamber, described temperature controller is arranged on outside described tank body, a large amount of metal steel ball is provided with as heat storage in described storage heater, described storage heater to be arranged in described tank body close to described gas exhausting device place, to make in tank body gas before discharging, first through described storage heater;
Water and carbon dioxide content proportional control apparatus, comprise and add water sub-device and add the sub-device of carbon dioxide, the wherein said sub-device that adds water comprises water filling port, water quantitative filling measuring pump, the first hand stop valve and water-collecting tray successively according to current direction, described in add the sub-device of carbon dioxide and flow to according to carbon dioxide and comprise carbon dioxide successively and fill mouth, quantitative carbon dioxide filling flow controller and the second hand stop valve;
Oxygen aerating device, flows to according to oxygen and comprises oxygen inflation inlet, low temperature booster pump, air heat formula vaporizer and the 3rd hand stop valve successively.
In addition, described tank body is also provided with safety valve and some pressure sensors.
Described tank body is also provided with storage tank base.
Above-mentioned Simulated gas source apparatus of the present invention achieves following technique effect:
(1) gas flow controls
Gas flow adopts motorized adjustment pressure-reducing valve to add the control mode of throttle, along with the reduction of deflation course sump pressure, relies on motorized adjustment pressure-reducing valve to stablize pressure before throttle, ensures the running parameter of throttle, to obtain stable flow.When needs change flow, can realize by changing different pore size throttle before the test.
(2) under large discharge, gas temperature keeps
Electric heater, temperature sensor and temperature controller are set in storage tank, before test, by gas-heated good for blending in storage tank to temperature required 390 ± 40K, then powered-down.In tank body, be designed with storage heater close to exit simultaneously, about two tons of metal steel balls are placed as heat storage in this storage heater, when tank body large discharge is exitted, storage heater can improve gas body exhaust enthalpy, avoid tank outlet gas temperature significantly to reduce, when making venting, tank outlet gas temperature remains on 390 ± 40K.
(3) water and carbon dioxide content ratio control
According to each trystate water, carbon dioxide volume content proportion requirement and tank volume, calculated in advance needs the water yield and the amount of carbon dioxide of filling, then the water filling port by tank body is arranged, water quantitative filling measuring pump is adopted to be filled in tank body by water, water is natural evaporation vaporization in the tank body of HTHP, is evenly diffused in whole oxygen; Fill mouth by the carbon dioxide of tank body, liquefied carbon dioxide to be heated vaporization through water-bath, adopt quantitative carbon dioxide filling mass flow controller to annotate.
Compared with prior art, beneficial effect of the present invention is as follows:
One, can obtain the Autogeneous pressurization gas similar to engine evaporative device;
2nd, can obtain the pressurization gas of various different flow, temperature, water and carbon dioxide content ratio.
Certainly, implement arbitrary product of the present invention might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 is the Simulated gas source apparatus schematic diagram of the embodiment of the present invention;
In figure: 1. water filling port; 2. water quantitative filling measuring pump; 3. the first hand stop valve; 4. power supply; 5. temperature controller; 6. temperature sensor; 7. water-collecting tray; 8. pressure sensor; 9. safety valve; 10. adiabatic clad; 11. tank bodies; 12. Pressure gauges; 13. magnetic valves; 14. motorized adjustment pressure-reducing valves; 15. throttles; 16. bleeder holes; 17. storage tank bases; 18. metal steel balls; 19. storage heaters; 20. electric heaters; 21. second hand stop valves; 22. quantitative carbon dioxide filling flow controllers; 23. carbon dioxide fill mouth; 24. oxygen inflation inlets; 25. low temperature booster pumps; 26. air heat formula vaporizers; 27. the 3rd hand stop valves.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Refer to Fig. 1, Fig. 1 is the schematic diagram of the Simulated gas source apparatus of one embodiment of the present of invention, and this Simulated gas source apparatus is primarily of water filling port 1, water quantitative filling measuring pump 2, first hand stop valve 3, power supply 4, temperature controller 5, temperature sensor 6, water-collecting tray 7, pressure sensor 8, safety valve 9, adiabatic clad 10, tank body 11, Pressure gauge 12, magnetic valve 13, motorized adjustment pressure-reducing valve 14, throttle 15, bleeder holes 16, storage tank base 17, metal steel ball 18, storage heater 19, electric heater 20, second hand stop valve 21, quantitative carbon dioxide filling flow controller 22, carbon dioxide fills mouth 23, oxygen inflation inlet 24, low temperature booster pump 25, air heat formula vaporizer 26 and the 3rd hand stop valve 27 form, wherein, and temperature sensor 6, water-collecting tray 7, pressure sensor 8, electric heater 20, metal steel ball 18, storage heater 19 is arranged in tank body 11, and temperature controller 5 is arranged on outside tank body 11, magnetic valve 13, motorized adjustment pressure-reducing valve 14 and throttle 15 are by Flange joint on tank body 11 export pipeline, and throttle 15 is arranged in the middle of flange.Low temperature booster pump 25, air heat formula vaporizer 26 and the 3rd hand stop valve 27 are arranged on tank body 11 oxygen loading line by flange, quantitative carbon dioxide filling flow controller 22 and the second hand stop valve 21 are installed on tank body 11 carbon dioxide loading line by bulb horn mouth type of attachment, and water quantitative filling measuring pump 2 and the first hand stop valve 3 are arranged on tank body 11 water injecting pipeline by bulb horn mouth type of attachment.Temperature controller 5, temperature sensor 6, electric heater 20 are connected by cable with power supply 4.Wherein,
It is outside that adiabatic clad 10 is arranged on tank body 11;
Pressure gauge 12, magnetic valve 13, motorized adjustment pressure-reducing valve 14, throttle 15 are connected according to gas flow successively with bleeder holes 16, form a gas exhausting device, and motorized adjustment pressure-reducing valve 14 and throttle 15 form a gas delivery flow Control Component;
Power supply 4, temperature controller 5, temperature sensor 6, electric heater 20 and storage heater 19 form gas temperature holding device, wherein be provided with a large amount of metal steel ball 18 in storage heater 19 as heat storage, storage heater 19 is arranged in tank body 11 close to gas exhausting device place, to make in tank body gas before discharge, first through storage heater 19;
Water filling port 1, water quantitative filling measuring pump 2, first hand stop valve 3 and water-collecting tray 7 connect to form according to flow direction the device that adds water successively, carbon dioxide fills mouth 23, quantitative carbon dioxide filling flow controller 22 and the second hand stop valve 21 and flows to according to carbon dioxide and connect to form successively and add the sub-device of carbon dioxide, the above-mentioned sub-device and add the sub-device composition water of carbon dioxide and carbon dioxide content proportional control apparatus of adding water;
Oxygen inflation inlet 24, low temperature booster pump 25, air heat formula vaporizer 26 and the 3rd hand stop valve 27 flow to according to oxygen and connect to form oxygen aerating device successively;
Tank body 11 is also provided with some pressure sensors 8 and some safety valves 9, and storage tank base 17.
This Simulated gas source apparatus realizes its function mainly through following control mode:
(1) gas flow control mode
Along with the reduction of pressure in deflation course tank body 11, use motorized adjustment pressure-reducing valve 14, stablize pressure before throttle 15, the running parameter of guarantee throttle 15, to obtain comparatively stable flow, and stabilizing gas state parameter; Before and after throttle 15, pressure is in all the time higher than critical pressure ratio state, ensures that throat is in critical condition and velocity of sound flowing, ensures maximum stream flow.When needing to change gas flow, realize by changing different pore size throttle 15 before test;
(2) gas temperature hold mode under large discharge
Flow of oxygen is calculated according to each trystate before test, by oxygen inflation inlet 24, by the liquid oxygen in liquefied oxygen tank vehicle through low temperature booster pump 25 supercharging, be filled with in tank body 11 after air heat formula vaporizer 26 makes liquid oxygen gasification be normal temperature oxygen, then the good a certain proportion of water of blending and carbon dioxide, by the electric heater 20 in tank body 11 and temperature sensor 6 and temperature controller 5, mist good for blending in storage tank is heated to temperature required 390 ± 40K in advance, then powered-down 4, reduces tank body by adiabatic clad 10 and outwardly leaks heat.Storage heater 19 is devised close to exit in tank body 11, about two tons of metal steel balls 18 are filled as heat storage in storage heater 19, when large discharge venting opened by magnetic valve 13, storage heater 19 can improve exhaust enthalpy, avoid tank body to go out gas temperature significantly to reduce, make tank body 11 Outlet Gas Temperature remain within the scope of 390 ± 40K;
(3) water and carbon dioxide content ratio control mode
In tank body 11 before gas preheater, according to water in each trystate and carbon dioxide volume content proportion requirement and tank volume, calculated in advance needs the water yield and the amount of carbon dioxide of filling, then by tank body water filling port 1, water quantitative filling measuring pump 2 is adopted to be filled into by water in tank body 11 in water-collecting tray 7, adopt water quantitative filling measuring pump 2 accurately can control the volume content of water, water absorbs heat carburation by evaporation in the tank body 11 of HTHP, is evenly diffused in whole oxygen; Fill mouth 23 by the carbon dioxide of tank body, the carbon dioxide of liquefaction to be heated gasification through water-bath, adopt quantitative carbon dioxide filling mass flow controller 22 to annotate, accurately can control the volume content of carbon dioxide.
The present invention has following beneficial effect:
One, can obtain the Autogeneous pressurization gas similar to engine evaporative device;
2nd, can obtain the pressurization gas of various different flow, temperature, water and carbon dioxide content ratio.
The disclosed preferred embodiment of the present invention just sets forth the present invention for helping above.Preferred embodiment does not have all details of detailed descriptionthe, does not limit the detailed description of the invention that this invention is only described yet.Obviously, according to the content of this description, can make many modifications and variations.This description is chosen and is specifically described these embodiments, is to explain principle of the present invention and practical application better, thus makes art technical staff understand well and to utilize the present invention.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (5)
1. a Simulated gas source apparatus, is characterized in that, comprising:
Tank body, described tank body outside is provided with adiabatic clad;
Gas exhausting device, comprises Pressure gauge, magnetic valve, motorized adjustment pressure-reducing valve, throttle and bleeder holes successively according to gas flow, and wherein said motorized adjustment pressure-reducing valve and described throttle form a gas delivery flow Control Component;
Gas temperature holding device, comprise power supply, temperature controller, temperature sensor, electric heater and storage heater, wherein said temperature sensor, electric heater and storage heater are arranged in described tank inner chamber, described temperature controller is arranged on outside described tank body, a large amount of metal steel ball is provided with as heat storage in described storage heater, described storage heater to be arranged in described tank body close to described gas exhausting device place, to make in tank body gas before discharging, first through described storage heater;
Water and carbon dioxide content proportional control apparatus, comprise and add water sub-device and add the sub-device of carbon dioxide, the wherein said sub-device that adds water comprises water filling port, water quantitative filling measuring pump, the first hand stop valve and water-collecting tray successively according to current direction, described in add the sub-device of carbon dioxide and flow to according to carbon dioxide and comprise carbon dioxide successively and fill mouth, quantitative carbon dioxide filling flow controller and the second hand stop valve;
Oxygen aerating device, flows to according to oxygen and comprises oxygen inflation inlet, low temperature booster pump, air heat formula vaporizer and the 3rd hand stop valve successively.
2. Simulated gas source apparatus as claimed in claim 1, it is characterized in that, described magnetic valve, described motorized adjustment pressure-reducing valve and described throttle are by Flange joint on the export pipeline of described tank body, and described throttle is arranged in the middle of flange, described low temperature booster pump, described air heat formula vaporizer and described 3rd hand stop valve are arranged on the oxygen loading line of tank body by flange, described quantitative carbon dioxide filling flow controller and described second hand stop valve are arranged on the carbon dioxide loading line of described tank body by bulb horn mouth type of attachment, described water quantitative filling measuring pump and described first hand stop valve are arranged on the water injecting pipeline of described tank body by bulb horn mouth type of attachment, described temperature controller, described temperature sensor, described electric heater is connected by cable with described power supply.
3. Simulated gas source apparatus as claimed in claim 1, it is characterized in that, first gas in tank is heated to 390 ± 40K temperature in advance by described temperature controller and described electric heater, then under described tank body large discharge deflation status, described storage heater improves and gas body enthalpy, and tank outlet gas temperature is maintained within the scope of 390 ± 40K.
4. Simulated gas source apparatus as claimed in claim 1, is characterized in that, described tank body is also provided with safety valve and some pressure sensors.
5. Simulated gas source apparatus as claimed in claim 1, is characterized in that, described tank body is also provided with storage tank base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510237667.8A CN104976929B (en) | 2015-05-11 | 2015-05-11 | One kind simulation compressed air source unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510237667.8A CN104976929B (en) | 2015-05-11 | 2015-05-11 | One kind simulation compressed air source unit |
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| CN104976929A true CN104976929A (en) | 2015-10-14 |
| CN104976929B CN104976929B (en) | 2017-05-31 |
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| CN201510237667.8A Active CN104976929B (en) | 2015-05-11 | 2015-05-11 | One kind simulation compressed air source unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271252A (en) * | 2017-07-13 | 2017-10-20 | 中国科学院城市环境研究所 | A kind of gasification burner and its air distributing method by the use of adsorbent as concentration buffer layer |
| CN114324466A (en) * | 2021-11-19 | 2022-04-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
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| CN102563687A (en) * | 2012-03-07 | 2012-07-11 | 上海锅炉厂有限公司 | Oxygen-enriched combustion system |
| CN203695070U (en) * | 2014-01-15 | 2014-07-09 | 南京新飞分析仪器制造有限公司 | Low-pressure oxygen cabin |
| FR3000998A1 (en) * | 2013-01-11 | 2014-07-18 | Snecma | ERGOL SUPPLY CIRCUIT AND COOLING METHOD |
| JP2014517893A (en) * | 2011-05-17 | 2014-07-24 | スネクマ | Supply system and method for suppressing pogo effect |
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Patent Citations (5)
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| US5644920A (en) * | 1995-09-25 | 1997-07-08 | Rockwell International Corporation | Liquid propellant densification |
| JP2014517893A (en) * | 2011-05-17 | 2014-07-24 | スネクマ | Supply system and method for suppressing pogo effect |
| CN102563687A (en) * | 2012-03-07 | 2012-07-11 | 上海锅炉厂有限公司 | Oxygen-enriched combustion system |
| FR3000998A1 (en) * | 2013-01-11 | 2014-07-18 | Snecma | ERGOL SUPPLY CIRCUIT AND COOLING METHOD |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107271252A (en) * | 2017-07-13 | 2017-10-20 | 中国科学院城市环境研究所 | A kind of gasification burner and its air distributing method by the use of adsorbent as concentration buffer layer |
| CN114324466A (en) * | 2021-11-19 | 2022-04-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
| CN114324466B (en) * | 2021-11-19 | 2024-01-12 | 上海仪器仪表自控系统检验测试所有限公司 | Nuclear power equipment hydrogen explosion availability verification test device and method |
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