CN217111442U - Gas heater test bench - Google Patents
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- CN217111442U CN217111442U CN202220037296.4U CN202220037296U CN217111442U CN 217111442 U CN217111442 U CN 217111442U CN 202220037296 U CN202220037296 U CN 202220037296U CN 217111442 U CN217111442 U CN 217111442U
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Abstract
A test bed of a gas heater is characterized in that a test section is provided with a workpiece to be tested, a gas generator is communicated with an inlet of the test section, an exhaust section is communicated with an outlet of the test section, and an igniter is arranged in the gas generator; the outlet of the exhaust section is communicated with the silencing tower through an exhaust pipeline; the medium-pressure gas source is respectively communicated with the gas generator and the igniter through a gas source supply system; the high-pressure circulating water source is respectively communicated with the test section, the gas generator and the exhaust section through a high-pressure water supply system; the low-pressure water spraying water source is communicated with the exhaust section through a low-pressure water spraying system; the alcohol source is communicated with the fuel gas generator through an alcohol supply system; the nitrogen gas source and the liquid oxygen source are communicated with the fuel gas generator through a liquid oxygen and nitrogen gas supply system; an igniter kerosene supply is in communication with the igniter. The utility model discloses a gas heater test bench satisfies the operating condition to local projectile body hood and intake duct under hypersonic aircraft simulation flight state, provides the foundation for material selection and structural design of model under pneumatic heating condition.
Description
Technical Field
The utility model relates to a test bed test technical field, concretely relates to gas heater test bench.
Background
For a hypersonic aircraft, the working states of a local projectile body head cover and an air inlet channel in a flight state need to be simulated during research and development, in a simulation test, heated gas is needed to be used for soaking the projectile body head cover and passing through an inner channel of a chin air inlet channel to check indexes such as structural strength of the head cover and the air inlet channel, cabin section sealing and the like, deformation and strength of a projectile body head under various loading conditions are measured, and a basis is provided for material selection and structural design of a model under a pneumatic heating condition.
Disclosure of Invention
The technical solution problem of the utility model is that: the defects of the prior art are overcome, and the test bed for the gas heater is provided.
The technical solution of the utility model is that:
a test bed of a gas heater comprises a test section, a gas generator, an exhaust section, an exhaust pipeline, a sound absorption tower, a medium-pressure gas source, a high-pressure circulating water source, a low-pressure water spraying water source, an alcohol source, a nitrogen gas source, a liquid oxygen source, an igniter kerosene supply source and an igniter; the test section is provided with a workpiece to be tested, the gas generator is communicated with an inlet of the test section, the exhaust section is communicated with an outlet of the test section, and the igniter is arranged in the gas generator; the outlet of the exhaust section is communicated with the silencing tower through an exhaust pipeline; the medium-pressure gas source is respectively communicated with the gas generator and the igniter through a gas source supply system; the high-pressure circulating water source is respectively communicated with the test section, the gas generator and the exhaust section through a high-pressure water supply system; the low-pressure water spraying water source is communicated with the exhaust section through a low-pressure water spraying system; the alcohol source is communicated with the fuel gas generator through an alcohol supply system; the nitrogen source and the liquid oxygen source are communicated with the fuel gas generator through a liquid oxygen and nitrogen supply system; an igniter kerosene supply is in communication with the igniter.
Further, the gas source supply system comprises a gas source supply system supply main path, an inlet of the gas source supply system supply main path is communicated with the medium-pressure gas source, a gas source supply system stop valve is sequentially arranged on the gas source supply system supply main path along the flowing direction of the medium-pressure gas source supply gas, a gas source supply system ball valve, a gas source supply system pressure regulating valve and a gas source supply system safety valve, a gas heater gas supply path and an igniter gas supply path which are connected in parallel are arranged behind the gas source supply system safety valve, the gas heater gas supply path and the igniter gas supply path which are connected in parallel are both communicated with the gas source supply system supply main path, and outlets are respectively communicated with the gas generator and the igniter.
Further, a gas supply pipeline spray pipe 151 of the gas heater is arranged on the gas supply pipeline of the gas heater; the inner flow passage of the gas supply path nozzle 151 of the gas heater is convergent; an igniter gas supply path shutoff valve 161 is provided in the igniter gas supply path.
Furthermore, the high-pressure water supply system comprises a high-pressure water supply main path and a high-pressure circulating water path of the fuel gas generator, a test section high-pressure circulating water path and an exhaust section high-pressure circulating water path which are connected in parallel; the inlet of the high-pressure water supply main is communicated with a high-pressure circulating water source, the inlets of the high-pressure circulating water path of the test section and the high-pressure circulating water path of the exhaust section are communicated with the outlet of the high-pressure water supply main, and the high-pressure circulating water path of the gas generator, the high-pressure circulating water path of the test section and the high-pressure circulating water path of the exhaust section are respectively communicated with the interlayer cooling water jackets of the test section, the gas generator and the exhaust section.
Furthermore, the high-pressure circulating water path of the fuel gas generator comprises a high-pressure circulating water supply path of the fuel gas generator and a high-pressure circulating water return path of the fuel gas generator, wherein the inlet of the high-pressure circulating water supply path of the fuel gas generator is communicated with the outlet of the high-pressure water supply main path, the outlet of the high-pressure circulating water supply path of the fuel gas generator is communicated with the inlet of the interlayer cooling water jacket of the fuel gas generator, the inlet of the high-pressure circulating water return path of the fuel gas generator is communicated with the outlet of the interlayer cooling water jacket of the fuel gas generator, and the outlet of the high-pressure circulating water return path of the fuel gas generator is communicated with the circulating water pool.
Furthermore, the high-pressure water supply system comprises an igniter high-pressure circulating water path which comprises an igniter high-pressure circulating water path water supply path and an igniter high-pressure circulating water path water return path, an inlet of the igniter high-pressure circulating water path water supply path is communicated with an outlet of the gas generator high-pressure circulating water path water supply path, the outlet of the igniter high-pressure circulating water path water supply path water, the outlet of the igniter high-pressure circulating water path water supply path, the igniter high-pressure circulating water path water supply path high pressure water path high.
Furthermore, the low-pressure water spraying system comprises a low-pressure water spraying supply main road and a plurality of low-pressure water spraying system branch roads which are connected in parallel, the inlet of the low-pressure water spraying supply main road is communicated with a low-pressure water spraying source, the inlets of the low-pressure water spraying system branch roads which are connected in parallel are communicated with the outlet of the low-pressure water spraying supply main road, and the outlet of each low-pressure water spraying system branch road is communicated with a water spraying ring of the exhaust section.
Further, the alcohol supply system comprises an alcohol supply path, an inlet of the alcohol supply path is communicated with an alcohol source, an outlet of the alcohol supply path is communicated with the gas generator, and a first electromagnetic valve of the alcohol supply system, a pressure regulating valve of the alcohol supply system, a flow regulating valve of the alcohol supply system, a second electromagnetic valve of the alcohol supply system and a one-way valve of the alcohol supply system are sequentially arranged on the alcohol supply path along the flowing direction of alcohol supplied by the alcohol source.
Further, the liquid oxygen and nitrogen supply system comprises a nitrogen supply main path, a liquid oxygen filling path, a liquid oxygen supply path, a liquid oxygen adding path and a nitrogen gas discharging path; the inlet of the nitrogen supply main path is communicated with a nitrogen source; the liquid oxygen filling path, the liquid oxygen adding road and the nitrogen gas discharging path are arranged in parallel, and inlets of the liquid oxygen filling road and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path; the outlet of the liquid oxygen filling path is communicated with the inlet of the liquid oxygen source; the inlet of the liquid oxygen supply path is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the fuel gas generator; the outlet of the liquid oxygen adding road roller is communicated with a liquid oxygen supply path; the nitrogen gas discharge path is communicated with the atmosphere.
Further, an igniter kerosene supply source, an air source supply system, a high-pressure water supply system, a low-pressure water injection system, an alcohol supply system, a liquid oxygen nitrogen supply system and an igniter kerosene supply source are arranged in the equipment room, and a test section, a fuel gas generator, an exhaust section and an igniter are arranged in the test room.
Compared with the prior art, the utility model the advantage lie in:
1. the utility model discloses a gas heater test bench has satisfied the operating condition to local projectile body hood and intake duct under hypersonic aircraft simulation flight state, provides the foundation for material selection and structural design of model under pneumatic heating condition.
2. The utility model discloses an among the gas heater test bench, air supply system inlet air flow control device, simple structure, easy operation, corresponding fast has shortened simulation time, has reduced test cost. And the basis of valve opening adjustment is provided by arranging a pressure measuring point. By arranging the igniter gas supply circuit, a gas source is provided for the igniter while a gas source is supplied for the gas generator. The supply flow of the air source is effectively controlled by arranging the supply path spray pipe.
3. The utility model discloses an among the gas heater test bench, adopt the mode of high-pressure circulating water cooling combination low pressure water spray, effectively realized to the test section, gas generator, the cooling of exhaust section had both satisfied experimental needs, had saved the water resource again, had compromise practicality and economic nature.
4. The utility model discloses an among the gas heater test bench, the alcohol supply system adopts the two-stage air-vent valve to adjust the flow, guarantees the precision of the total flow of alcohol.
5. The utility model discloses an among the gas heater test bench, opening and closing of liquid oxygen nitrogen gas supply system ability accurate control oxygen valve to adopt nitrogen gas pressor mode supply, avoid the oxygen pipeline explosion, compromise security and suitability. Through setting up liquid oxygen supply path filter, nitrogen gas pressurization path filter has improved the purity of liquid oxygen, avoids the condition that grease or high-speed motion iron fillings make the oxygen pipeline explode in the pipeline. Through the monitoring that sets up relevant valve and manometer, can in time effectively monitor the relevant parameter to whole system of supporting, and then improve the precision of whole system of supporting, simultaneously, also avoided the condition of oxygen pipeline explosion. Through setting up and putting the gas circuit, when the pressure that liquid oxygen supply circuit pressure measurement point monitored is greater than the predetermined value, can release nitrogen gas through the gassing way, avoid liquid oxygen storage tank to explode.
Drawings
Fig. 1 is a schematic diagram of the gas heater test stand of the present invention.
Fig. 2 is a schematic diagram of the air supply system in the gas heater test bed of the present invention.
Fig. 3 is a schematic diagram of the high-pressure water supply system in the gas heater test bed of the present invention.
Fig. 4 is a schematic diagram of the low-pressure water spraying system in the gas heater test bed of the present invention.
Fig. 5 is a schematic diagram of the alcohol supply system in the gas heater test bed of the present invention.
Fig. 6 is a schematic diagram of a liquid oxygen and nitrogen gas supply system in the gas heater test bed of the present invention.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, a test stand for a gas heater comprises a test section 1, a gas generator 2, an exhaust section 3, an exhaust pipeline 4, a muffler tower 5, a medium pressure gas source 10, a high pressure circulating water source 20, a low pressure water spray source 30, an alcohol source 40, a nitrogen gas source 50, a liquid oxygen source 60, an igniter kerosene supply source 70 and an igniter 700; the test section 1 is provided with a workpiece to be tested, the gas generator 2 is communicated with the inlet of the test section 1, the exhaust section 3 is communicated with the outlet of the test section 1, and the igniter 700 is arranged in the gas generator 2; the outlet of the exhaust section 3 is communicated with the silencing tower 5 through an exhaust pipeline 4; the medium-pressure gas source 10 is respectively communicated with the gas generator 2 and the igniter 700 through a gas source supply system 100; the high-pressure circulating water source 20 is respectively communicated with the test section 1, the gas generator 2 and the exhaust section 3 through a high-pressure water supply system 200; the low-pressure water spraying source 30 is communicated with the exhaust section 3 through a low-pressure water spraying system 300; the alcohol source 40 is in communication with the gasifier 2 through an alcohol supply system 400; the nitrogen gas source 50 and the liquid oxygen source 60 are communicated with the gas generator 2 through a liquid oxygen nitrogen gas supply system 500; the igniter kerosene supply 70 is in communication with the igniter 700.
The gas source supply system 100 includes a gas source supply system main supply path, an inlet of the gas source supply system main supply path is communicated with the medium pressure gas source 10, a gas source supply system stop valve 110, a gas source supply system ball valve 120, a gas source supply system pressure regulating valve 130 and a gas source supply system safety valve 140 are sequentially arranged on the gas source supply system main supply path along a flow direction of supply gas of the medium pressure gas source 10, a gas heater gas supply path 150 and an igniter gas supply path 160 which are connected in parallel are arranged behind the gas source supply system safety valve 140, the gas heater gas supply path 150 and the igniter gas supply path 160 which are connected in parallel are both communicated with the gas source supply system main supply path, and outlets of the gas heater gas supply path 150 and the igniter gas supply path 160 are respectively communicated with the gas generator 2 and the igniter 700.
Preferably, an air source outlet pressure measuring point 170 of the air source supply system is arranged on the supply main line of the air source supply system, between the medium pressure air source 10 and the air source supply system stop valve 110, and a pressure gauge is arranged on the air source outlet pressure measuring point 170 of the air source supply system.
Preferably, an air supply system inlet pressure and temperature measuring point 180 is arranged on the air supply system supply main line between the air supply system ball valve 120 and the air supply system pressure regulating valve 130, and a thermometer is arranged on the air supply system inlet pressure and temperature measuring point 180.
Preferably, an air supply system inlet pressure measuring point 190 is arranged on the air supply system supply main line between the air supply system pressure regulating valve 130 and the air supply system safety valve 140, and a pressure gauge is arranged on the air supply system inlet pressure measuring point 190.
Preferably, the gas heater gas supply passage 150 is provided with a gas heater gas supply passage nozzle 151.
Preferably, the inner flow passage of the gas heater gas supply passage nozzle 151 is convergent.
Preferably, an igniter gas supply path shutoff valve 161 is provided in the igniter gas supply path 160.
Wherein, the pressure of the medium-pressure gas source 10 is 6MPa-6.5MPa, preferably 6.3 MPa.
The high-pressure water supply system comprises a high-pressure water supply main path, a gas generator high-pressure circulating water path 230, a test section high-pressure circulating water path 240 and an exhaust section high-pressure circulating water path 250 which are connected in parallel; the inlet of the high-pressure water supply main is communicated with the high-pressure circulating water source 20, the inlets of the high-pressure circulating water path 230, the test section high-pressure circulating water path 240 and the exhaust section high-pressure circulating water path 250 of the parallel gas generator are communicated with the outlet of the high-pressure water supply main, and the high-pressure circulating water path 230, the test section high-pressure circulating water path 240 and the exhaust section high-pressure circulating water path 250 of the gas generator are respectively communicated with the interlayer cooling water jackets of the test section 1, the gas generator 2 and the exhaust section 3.
Preferably, a high-pressure water supply system ball valve 210 and a high-pressure water supply system filter 220 are sequentially disposed on the high-pressure water supply main along the flow direction of the circulating water supplied from the high-pressure circulating water source 20.
Preferably, on the high-pressure water supply main, a high-pressure water supply system pressure measuring point 260 is arranged between the high-pressure water supply system ball valve 210 and the high-pressure water supply system filter 220, and a pressure gauge is arranged on the high-pressure water supply system pressure measuring point 260.
Preferably, the gasifier high-pressure circulating water path 230 includes a gasifier high-pressure circulating water supply path 231 and a gasifier high-pressure circulating water return path 232, an inlet of the gasifier high-pressure circulating water supply path 231 is communicated with an outlet of the high-pressure water supply main path, an outlet of the gasifier high-pressure circulating water supply path is communicated with an inlet of the interlayer cooling water jacket of the gasifier 2, an inlet of the gasifier high-pressure circulating water return path 232 is communicated with an outlet of the interlayer cooling water jacket of the gasifier 2, and an outlet of the gasifier high-pressure circulating water return path is communicated with the circulating water tank.
Preferably, along the flowing direction of the circulating water, a gas generator high-pressure circulating water supply path stop valve 233, a gas generator high-pressure circulating water supply path flow regulating valve 234 and a gas generator high-pressure circulating water supply path flowmeter 235 are sequentially arranged on the gas generator high-pressure circulating water supply path 231, and a gas generator high-pressure circulating water return path stop valve 236 is arranged on the gas generator high-pressure circulating water return path 232.
Preferably, the high pressure water supply system 200 includes an igniter high pressure circulation water path 237, the high pressure water supply system 200 includes the igniter high pressure circulation water path 237 including an igniter high pressure circulation water path 238 and an igniter high pressure circulation water path 239, an inlet of the igniter high pressure circulation water path 237 is communicated with an outlet of the gas generator high pressure circulation water path 231, an outlet is communicated with an interlayer cooling water jacket inlet of the igniter 700, an inlet of the igniter high pressure circulation water path 239 is communicated with an interlayer cooling water jacket outlet of the igniter 700, and an outlet is communicated with the gas generator high pressure circulation water path 232.
Preferably, the test section high-pressure circulating water path 240 comprises a test section high-pressure circulating water supply path 241 and a test section high-pressure circulating water return path 242, an inlet of the test section high-pressure circulating water supply path 241 is communicated with an outlet of the high-pressure water supply main path, an outlet of the test section high-pressure circulating water supply path is communicated with an interlayer cooling water jacket inlet of the test section 1, an inlet of the test section high-pressure circulating water return path 242 is communicated with an interlayer cooling water jacket outlet of the test section 1, and an outlet of the test section high-pressure circulating water return path is communicated with a circulating water tank.
Preferably, along the flowing direction of the circulating water, a test section high-pressure circulating water supply path stop valve 243, a test section high-pressure circulating water supply path flow regulating valve 244 and a test section high-pressure circulating water supply path flowmeter 245 are sequentially arranged on the test section high-pressure circulating water supply path 241, and a test section high-pressure circulating water return path stop valve 246 is arranged on the test section high-pressure circulating water return path 242.
Preferably, the exhaust section high-pressure circulating water path 250 comprises an exhaust section high-pressure circulating water supply path 251 and an exhaust section high-pressure circulating water return path 252, an inlet of the exhaust section high-pressure circulating water supply path 251 is communicated with an outlet of the high-pressure water supply main path, an outlet of the exhaust section high-pressure circulating water supply path is communicated with an interlayer cooling water jacket inlet of the exhaust section 3, an inlet of the exhaust section high-pressure circulating water return path 252 is communicated with an interlayer cooling water jacket outlet of the exhaust section 3, and an outlet of the exhaust section high-pressure circulating water return path is communicated with a circulating water tank.
Preferably, along the flowing direction of the circulating water, an exhaust section high-pressure circulating water supply path stop valve 253, an exhaust section high-pressure circulating water supply path flow regulating valve 254 and an exhaust section high-pressure circulating water supply path flowmeter 255 are sequentially arranged on the exhaust section high-pressure circulating water supply path 251, and an exhaust section high-pressure circulating water return path stop valve 256 is arranged on the exhaust section high-pressure circulating water return path 252.
Wherein, the pressure of the high-pressure circulating water source 20 is 4Mpa-6Mpa, preferably 5Mpa, and the interlayer cooling water jacket is the prior art, which is specifically referred to the existing patent application of the applicant.
The low pressure water spray system 300 includes a low pressure water spray supply main and a plurality of low pressure water spray system branches 340 connected in parallel, an inlet of the low pressure water spray supply main is communicated with the low pressure water spray source 30, inlets of the plurality of low pressure water spray system branches 340 connected in parallel are all communicated with an outlet of the low pressure water spray supply main, and an outlet of each low pressure water spray system branch 340 is communicated with a water spray ring of the exhaust section 3.
Preferably, along the direction of the low-pressure water spray source 30 supplying water for flowing, a low-pressure water spray system ball valve 310, a low-pressure water spray system pressure measuring point 320 and a low-pressure water spray system temperature measuring point 330 are sequentially arranged on the low-pressure water spray supply main, and a pressure gauge and a thermometer are respectively arranged on the low-pressure water spray system pressure measuring point 320 and the low-pressure water spray system temperature measuring point 330.
Preferably, a low pressure water injection system stop valve 341, a low pressure water injection system flow meter 342 and a low pressure water injection system flow regulating valve 343 are sequentially arranged on each low pressure water injection system branch 340 along the flow direction of the water injection supplied by the low pressure water injection source 30, and the outlet of each low pressure water injection system branch 340 is communicated with one water injection ring 344 of the exhaust section 3.
Wherein, the pressure of the low-pressure water spraying source 30 is 2.5Mpa-3Mpa, preferably 2.8Mpa, and the water spraying ring is the prior art, in particular, refer to the prior patent application of the applicant.
The alcohol supply system 400 includes an alcohol supply path having an inlet communicating with the alcohol source 40 and an outlet communicating with the gas generator 2, and an alcohol supply system first solenoid valve 410, an alcohol supply system pressure regulating valve 420, an alcohol supply system flow regulating valve 430, an alcohol supply system second solenoid valve 440, and an alcohol supply system check valve 450 are sequentially disposed on the alcohol supply path along a flow direction of the alcohol supplied from the alcohol source 40.
Preferably, an alcohol supply system first filter 460 and an alcohol supply system second filter 470 are sequentially disposed on the alcohol supply path between the alcohol supply system pressure regulating valve 420 and the alcohol supply system flow regulating valve 430 in a flow direction of the alcohol supplied from the alcohol source 40.
Preferably, an alcohol supply system flow meter 480 is disposed on the alcohol supply path between the alcohol supply system flow regulating valve 430 and the alcohol supply system second solenoid valve 440 along a flow direction of the alcohol supplied from the alcohol source 40.
The liquid oxygen and nitrogen gas supply system comprises a nitrogen gas supply main path, a liquid oxygen filling path 520, a liquid oxygen supply path 530, a liquid oxygen adding path 540 and a nitrogen gas discharging path 560; the inlet of the nitrogen supply main line is communicated with the nitrogen source 50; the liquid oxygen filling path 520, the liquid oxygen adding path 540 and the nitrogen gas discharging path 560 are arranged in parallel, and inlets of the liquid oxygen filling path, the liquid oxygen adding path and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path; the outlet of the liquid oxygen filling path 520 is communicated with the inlet of the liquid oxygen source 60; the inlet of the liquid oxygen supply path 530 is communicated with the outlet of the liquid oxygen source 60, and the outlet is communicated with the gas generator 2; the outlet of the liquid oxygen adding passage 540 is communicated with the liquid oxygen supply passage 530; the nitrogen gas release path 560 is communicated with the atmosphere.
Preferably, along the flow direction of the nitrogen supplied by the nitrogen source 50, a liquid oxygen nitrogen supply system pressure measuring point 570 and a liquid oxygen nitrogen supply system stop valve 510 are sequentially arranged on the nitrogen supply main, and a pressure gauge is arranged on the liquid oxygen nitrogen supply system pressure measuring point 570.
Preferably, a liquid oxygen filling path filter 521, a liquid oxygen filling path stop valve 522 and a liquid oxygen filling path regulating valve 523 are sequentially disposed on the liquid oxygen filling path 520 along the flow direction of the nitrogen gas supplied from the nitrogen gas source 50.
Preferably, a liquid oxygen filling path pressure measuring point 524 is arranged between the liquid oxygen filling path stop valve 522 and the liquid oxygen filling path regulating valve 523 on the liquid oxygen filling path 520, and a pressure gauge is arranged on the liquid oxygen filling path pressure measuring point 524.
Preferably, a liquid oxygen supply filter 531, a liquid oxygen supply flowmeter 532, a liquid oxygen supply solenoid valve 533, and a liquid oxygen supply control valve 534 are provided in the liquid oxygen supply path 530 in this order along the flow direction of the oxygen gas supplied from the liquid oxygen source 60.
Preferably, a liquid oxygen supply path pressure measuring point 535 is provided between the liquid oxygen supply path filter 531 and the liquid oxygen supply path flowmeter 532 on the liquid oxygen supply path 530, and a pressure gauge is provided on the liquid oxygen supply path pressure measuring point 535.
Preferably, along the flow direction of the nitrogen gas supplied by the nitrogen gas source 50, a liquid oxygen pressurizing path filter 541, a liquid oxygen pressurizing path first stop valve 542, a liquid oxygen pressurizing path second stop valve 543, a liquid oxygen pressurizing path regulating valve 544 and a liquid oxygen pressurizing path check valve 545 are sequentially arranged on the liquid oxygen pressurizing path 540, and the outlet of the liquid oxygen pressurizing path 540 is communicated with the liquid oxygen supplying path 530 behind the liquid oxygen supplying path regulating valve 534; on the liquid oxygen pressurizing road 540, a liquid oxygen pressurizing road pressure measuring point 546 is arranged between the first stop valve 542 and the second stop valve 543, and a pressure gauge is arranged on the liquid oxygen pressurizing road pressure measuring point 546.
Preferably, the liquid oxygen and nitrogen gas supply system comprises a liquid oxygen pressurization branch 547, an inlet of the liquid oxygen pressurization branch 547 is communicated with the liquid oxygen pressurization branch 540 between the liquid oxygen pressurization pressure measuring point 546 and the second stop valve 543 of the liquid oxygen pressurization branch, an outlet of the liquid oxygen pressurization branch 547 is communicated with the liquid oxygen supply path 530 between the liquid oxygen supply path pressure measuring point 535 and the liquid oxygen supply path flow meter 532, and a liquid oxygen pressurization path branch regulating valve 548 and a liquid oxygen pressurization path branch check valve 549 are sequentially arranged on the liquid oxygen pressurization branch 547 along the flow direction of the nitrogen gas supplied by the nitrogen gas source 50.
Preferably, the liquid oxygen and nitrogen gas supply system includes a liquid oxygen exhaust channel 550, an inlet of the liquid oxygen exhaust channel 550 is communicated with the liquid oxygen supply channel 530 between the liquid oxygen supply channel solenoid valve 533 and the liquid oxygen supply channel regulating valve 534, an outlet is communicated with an exhaust pool 553, and a liquid oxygen exhaust channel regulating valve 551 and a liquid oxygen exhaust channel check valve 552 are sequentially disposed on the liquid oxygen exhaust channel 550 along a flow direction of the liquid oxygen source 60 supplying oxygen.
Preferably, along the flow direction of the nitrogen supplied by the nitrogen source 50, the nitrogen gas release path 560 is sequentially provided with a nitrogen gas release path filter 561, a nitrogen gas release path stop valve 562 and a nitrogen gas release path regulating valve 563; and a nitrogen gas discharge path pressure measuring point 564 is arranged on the nitrogen gas discharge path 560 between the nitrogen gas discharge path stop valve 562 and the nitrogen gas discharge path regulating valve 563, and a pressure gauge is arranged on the nitrogen gas discharge path pressure measuring point 564.
The igniter kerosene supply source 70, the gas source supply system 100, the high-pressure water supply system 200, the low-pressure water injection system 300, the alcohol supply system 400, the liquid oxygen nitrogen gas supply system 500 and the igniter kerosene supply source 70 are disposed in the equipment room 6, and the test section 1, the gas generator 2, the exhaust section 3 and the igniter 700 are disposed in the test room 7.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a gas heater test bench which characterized in that: the device comprises a test section, a gas generator, an exhaust section, an exhaust pipeline, a sound-deadening tower, a medium-pressure gas source, a high-pressure circulating water source, a low-pressure water spraying water source, an alcohol source, a nitrogen gas source, a liquid oxygen source, an igniter kerosene supply source and an igniter;
the test section is provided with a workpiece to be tested, the gas generator is communicated with an inlet of the test section, the exhaust section is communicated with an outlet of the test section, and the igniter is arranged in the gas generator;
the outlet of the exhaust section is communicated with the silencing tower through an exhaust pipeline;
the medium-pressure gas source is respectively communicated with the gas generator and the igniter through a gas source supply system;
the high-pressure circulating water source is respectively communicated with the test section, the gas generator and the exhaust section through a high-pressure water supply system;
the low-pressure water spraying water source is communicated with the exhaust section through a low-pressure water spraying system;
the alcohol source is communicated with the fuel gas generator through an alcohol supply system;
the nitrogen source and the liquid oxygen source are communicated with the fuel gas generator through a liquid oxygen and nitrogen supply system;
an igniter kerosene supply is in communication with the igniter.
2. The test stand of claim 1, wherein: the gas source supply system comprises a gas source supply system supply main circuit, an inlet of the gas source supply system supply main circuit is communicated with a medium-pressure gas source, a gas source supply system stop valve is sequentially arranged on the gas source supply system supply main circuit along the flowing direction of the medium-pressure gas source supply gas, a gas source supply system ball valve, a gas source supply system pressure regulating valve and a gas source supply system safety valve, a gas heater gas supply circuit and an igniter gas supply circuit which are connected in parallel are arranged behind the gas source supply system safety valve, the gas heater gas supply circuit and the igniter gas supply circuit which are connected in parallel are both communicated with the gas source supply system supply main circuit, and outlets are respectively communicated with a gas generator and an igniter.
3. The test stand of claim 2, wherein:
a gas supply pipeline spray pipe 151 of the gas heater is arranged on the gas supply pipeline of the gas heater;
the inner flow passage of the gas supply path nozzle 151 of the gas heater is convergent;
an igniter gas supply path shutoff valve 161 is provided in the igniter gas supply path.
4. The test stand of claim 1, wherein: the high-pressure water supply system comprises a high-pressure water supply main road and a high-pressure circulating water path of the fuel gas generator connected in parallel, a test section high-pressure circulating water path and an exhaust section high-pressure circulating water path; the inlet of the high-pressure water supply main is communicated with a high-pressure circulating water source, the inlets of the high-pressure circulating water path of the test section and the high-pressure circulating water path of the exhaust section are communicated with the outlet of the high-pressure water supply main, and the high-pressure circulating water path of the gas generator, the high-pressure circulating water path of the test section and the high-pressure circulating water path of the exhaust section are respectively communicated with the interlayer cooling water jackets of the test section, the gas generator and the exhaust section.
5. The test stand of claim 4, wherein: the high-pressure circulating water path of the fuel gas generator comprises a high-pressure circulating water supply path of the fuel gas generator and a high-pressure circulating water return path of the fuel gas generator, wherein the inlet of the high-pressure circulating water supply path of the fuel gas generator is communicated with the outlet of the high-pressure water supply main, the outlet of the high-pressure circulating water supply path of the fuel gas generator is communicated with the inlet of the interlayer cooling water jacket of the fuel gas generator, the inlet of the high-pressure circulating water return path of the fuel gas generator is communicated with the outlet of the interlayer cooling water jacket of the fuel gas generator, and the outlet of the high-pressure circulating water return path of the fuel gas generator is communicated with the circulating water tank.
6. The test stand of claim 5, wherein: the high-pressure water supply system comprises an igniter high-pressure circulating water path, the high-pressure water supply system comprises an igniter high-pressure circulating water path which comprises an igniter high-pressure circulating water path water supply path and an igniter high-pressure circulating water path water return path, an inlet of the igniter high-pressure circulating water path water supply path is communicated with an outlet of the gas generator high-pressure circulating water path water supply path, an outlet of the igniter high-pressure circulating water path water supply path water supply path and the igniter high-pressure circulating water path water return path.
7. The test stand of claim 1, wherein: the low-pressure water spraying system comprises a low-pressure water spraying supply main road and a plurality of low-pressure water spraying system branch roads which are connected in parallel, wherein the inlet of the low-pressure water spraying supply main road is communicated with a low-pressure water spraying water source, the inlets of the low-pressure water spraying system branch roads which are connected in parallel are communicated with the outlet of the low-pressure water spraying supply main road, and the outlet of each low-pressure water spraying system branch road is communicated with a water spraying ring of the exhaust section.
8. The test stand of claim 1, wherein: the alcohol supply system comprises an alcohol supply path, wherein the inlet of the alcohol supply path is communicated with an alcohol source, the outlet of the alcohol supply path is communicated with the gas generator, and a first electromagnetic valve of the alcohol supply system, a pressure regulating valve of the alcohol supply system, a flow regulating valve of the alcohol supply system, a second electromagnetic valve of the alcohol supply system and a one-way valve of the alcohol supply system are sequentially arranged on the alcohol supply path along the flow direction of alcohol supplied by the alcohol source.
9. The test stand of claim 1, wherein: the liquid oxygen and nitrogen supply system comprises a nitrogen supply main path, a liquid oxygen filling path, a liquid oxygen supply path, a liquid oxygen adding path and a nitrogen discharging path;
the inlet of the nitrogen supply main path is communicated with a nitrogen source;
the liquid oxygen filling path, the liquid oxygen adding road and the nitrogen gas discharging path are arranged in parallel, and inlets of the liquid oxygen filling road and the nitrogen gas discharging path are communicated with an outlet of the nitrogen gas supply main path;
the outlet of the liquid oxygen filling path is communicated with the inlet of the liquid oxygen source;
the inlet of the liquid oxygen supply path is communicated with the outlet of the liquid oxygen source, and the outlet is communicated with the fuel gas generator;
the outlet of the liquid oxygen adding road roller is communicated with a liquid oxygen supply path;
the nitrogen gas discharge path is communicated with the atmosphere.
10. The test stand of claim 1, wherein: the igniter kerosene supply source, the gas source supply system, the high-pressure water supply system, the low-pressure water spray system, the alcohol supply system, the liquid oxygen nitrogen gas supply system and the igniter kerosene supply source are arranged in the equipment room, and the test section, the gas generator, the exhaust section and the igniter are arranged in the test room.
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| CN202220037296.4U CN217111442U (en) | 2022-01-08 | 2022-01-08 | Gas heater test bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219100A (en) * | 2022-09-21 | 2022-10-21 | 中国空气动力研究与发展中心空天技术研究所 | Total pressure measuring structure of combustion heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115219100A (en) * | 2022-09-21 | 2022-10-21 | 中国空气动力研究与发展中心空天技术研究所 | Total pressure measuring structure of combustion heater |
| CN115219100B (en) * | 2022-09-21 | 2022-11-25 | 中国空气动力研究与发展中心空天技术研究所 | Total pressure measuring structure of combustion heater |
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