CN114233521A - Active cooling type flight conveying system and method for catalytic bed of solid-liquid rocket engine - Google Patents
Active cooling type flight conveying system and method for catalytic bed of solid-liquid rocket engine Download PDFInfo
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- CN114233521A CN114233521A CN202111498582.7A CN202111498582A CN114233521A CN 114233521 A CN114233521 A CN 114233521A CN 202111498582 A CN202111498582 A CN 202111498582A CN 114233521 A CN114233521 A CN 114233521A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/72—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using liquid and solid propellants, i.e. hybrid rocket-engine plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/80—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by thrust or thrust vector control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/97—Rocket nozzles
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Abstract
The invention relates to the technical field of aerospace, in particular to an active cooling type flight conveying system and method for a catalytic bed of a solid-liquid rocket engine. The system comprises a hydrogen peroxide liquid supply system and a compressed gas supply system; the hydrogen peroxide liquid supply system comprises a high-pressure gas cylinder, a remote pressure release valve, a pressure reducer, a gas circuit electric explosion valve, a hydrogen peroxide storage tank, a liquid filling one-way valve, a liquid circuit electric explosion valve, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve; the compressed gas supply system includes a sonic nozzle, a vortex tube, and a catalytic bed. The safety of the conveying system is ensured through the matching of all parts and a specific connection mode; high-pressure gas in the high-pressure gas cylinder passes through the sonic nozzle and reaches the vortex tube, the catalytic bed is preheated by the separated hot gas, the catalytic bed is cooled by the cold gas, and meanwhile, the cooled gas is heated to obtain energy and enters the attitude control system, so that the functions of stabilizing rocket flight and providing attitude control thrust can be achieved.
Description
Technical Field
The invention relates to the technical field of aerospace, in particular to an active cooling type flight conveying system and method for a catalytic bed of a solid-liquid rocket engine.
Background
The high-concentration hydrogen peroxide catalytic bed is one of core subsystems of advanced solid-liquid power technology, and the catalytic bed and the catalytic reaction chamber are key components in the catalytic bed, so that the catalytic bed has decisive influence on the working load, variable working condition power output, application life, stability and reliability of a power system, and is one of important breakthroughs needed in the research of the advanced solid-liquid power technology.
The traditional catalytic bed structure adopts high-temperature alloy as the shell material of the catalytic reaction chamber, and the structural stability and the structural reliability of the catalytic bed in the working process are ensured through the heat resistance of the material. The traditional catalytic bed structure cannot be preheated, the start-up delay of the catalytic bed is generally larger, and the initial catalytic efficiency is lower. In addition, the traditional rocket attitude control mode is realized by adopting a gas rudder or a small rocket engine.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide an active cooling type flight conveying system for a catalytic bed of a solid-liquid rocket engine, which ensures the safety of the conveying system through the matching of various components and a specific connection mode; high-pressure gas in the high-pressure gas cylinder passes through the sonic nozzle and reaches the vortex tube, hot gas separated by the vortex tube preheats a catalytic bed, cold gas cools the catalytic bed, and the cooled gas is heated to obtain energy and enters the attitude control system, so that the rocket flight stabilization and attitude control thrust providing effects can be achieved.
The invention also aims to provide a method for conveying hydrogen peroxide by adopting the active cooling type flight conveying system of the solid-liquid rocket engine catalytic bed, which has the characteristics of high catalytic efficiency and high safety performance.
In order to achieve the above purpose of the present invention, the following technical solutions are adopted:
an active cooling type flight conveying system of a solid-liquid rocket engine catalytic bed comprises a hydrogen peroxide liquid supply system and a compressed gas supply system; the hydrogen peroxide liquid supply system comprises a high-pressure gas cylinder, a remote pressure release valve, a pressure reducer, a gas circuit electric explosion valve, a hydrogen peroxide storage tank, a liquid filling one-way valve, a liquid circuit electric explosion valve, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve; the compressed gas supply system comprises a sonic nozzle, a vortex tube and a catalytic bed;
a gas inlet of the hydrogen peroxide storage tank is sequentially connected with the pressure reducer and the high-pressure gas cylinder, and a pipeline between the pressure reducer and the high-pressure gas cylinder is connected with the remote pressure release valve, the pressurization port and the compressed gas outlet; a gas path electric explosion valve and a pressure relief port are arranged on a pipeline between the hydrogen peroxide storage tank and the pressure reducer;
a liquid outlet of the hydrogen peroxide storage tank is sequentially connected with the adjustable venturi tube and a corrugated tube, and an outlet end of the corrugated tube is connected with a liquid inlet of the catalytic bed; a pipeline between a liquid outlet of the hydrogen peroxide storage tank and the adjustable venturi is provided with the liquid circuit electric explosion valve and a liquid filling port; the main path electromagnetic valve is arranged on a pipeline between a liquid inlet of the catalytic bed and the corrugated pipe;
a compressed gas inlet of the vortex tube is connected with the compressed gas outlet, and the sonic nozzle is arranged between the compressed gas inlet and the compressed gas outlet; the cold gas outlet of the vortex tube is connected with the cooling gas inlet of the reaction chamber shell of the catalytic bed, and the hot gas outlet of the vortex tube is connected with the liquid inlet of the catalytic bed; and a gas outlet of the catalytic bed reaction chamber shell is connected with an attitude control system.
In one embodiment, a filter is disposed between the liquid circuit electrical burst valve and the adjustable venturi.
In one embodiment, the upper end of the hydrogen peroxide storage tank is provided with a storage tank safety valve.
In one embodiment, the liquid filling port is provided with a liquid filling check valve.
In one embodiment, the pressurization port is provided with a gas pressurization check valve.
In one embodiment, the pressure relief port is provided with a pressure relief hand valve.
In one embodiment, the line between the cold gas outlet of the vortex tube and the cooling gas inlet of the reactor shell of the catalytic bed is provided with a cold gas outlet solenoid valve.
And a pipeline between a hot gas outlet of the vortex tube and a liquid inlet of the catalytic bed is connected with a hot gas outlet solenoid valve.
The method for implementing hydrogen peroxide delivery by adopting the active cooling type flight delivery system of the solid-liquid rocket engine catalytic bed comprises the following steps:
high-pressure gas in a high-pressure gas cylinder reaches a hydrogen peroxide storage tank through a pressure reducer and a gas circuit electric explosion valve, hydrogen peroxide liquid in the hydrogen peroxide storage tank is pressurized, and the pressurized hydrogen peroxide liquid sequentially passes through a liquid circuit electric explosion valve, a filter, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve to reach a liquid inlet of a catalytic bed;
preheating a catalyst bed prior to entry of said pressurized hydrogen peroxide liquid into an interior of said catalyst bed, said preheating comprising: high-pressure gas in the high-pressure gas cylinder enters the vortex tube through a sonic nozzle, and hot gas separated by the vortex tube enters the inside of the catalytic bed;
after the pressurized hydrogen peroxide liquid enters the inside of the catalytic bed, the cold gas separated by the vortex tube enters a reaction chamber shell of the catalytic bed to cool the catalytic bed, and the cold gas in the reaction chamber shell is heated and then enters a position control system.
In one embodiment, pressurizing the high pressure gas cylinder comprises: the high-pressure gas enters the high-pressure gas cylinder through the gas pressurization one-way valve;
hydrogen peroxide liquid enters the hydrogen peroxide storage tank through a liquid filling one-way valve, and a pressure relief hand valve is opened in the filling process to discharge gas in the hydrogen peroxide storage tank;
and when the pressurized gas is higher than the rated pressure of the hydrogen peroxide storage tank, the safety valve of the storage tank is opened to release the pressure.
Compared with the prior art, the invention has the beneficial effects that:
(1) the active cooling type flight conveying system for the catalytic bed of the solid-liquid rocket engine ensures the safety of the conveying system through the matching of various components and a specific connection mode; high-pressure gas in the high-pressure gas cylinder passes through the sonic nozzle and reaches the vortex tube, hot gas separated by the vortex tube preheats a catalytic bed, cold gas cools the catalytic bed, and the cooled gas is heated to obtain energy and enters the attitude control system, so that the rocket flight stabilization and attitude control thrust providing effects can be achieved.
(2) The method for conveying the hydrogen peroxide by the active cooling type flight conveying system of the solid-liquid rocket engine catalytic bed has the characteristics of high catalytic efficiency and high safety performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a diagram of an active cooling type flight conveying system of a catalytic bed of a solid-liquid rocket engine.
Reference numerals:
1-a high-pressure gas bottle, 2-a remote pressure relief valve, 3-a gas pressurization one-way valve, 4-a pressure reducer, 5-a gas path electric explosion valve, 6-a pressure relief hand valve, 7-a storage tank safety valve, 8-a hydrogen peroxide storage tank, 9-a liquid filling one-way valve, 10-a liquid path electric explosion valve, 11-a filter, 12-an adjustable venturi tube, 13-a corrugated tube, 14-a main path electromagnetic valve, 15-a sonic nozzle, 16-a vortex tube, 17-a cold gas outlet electromagnetic valve and 18-a hot gas outlet electromagnetic valve.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
According to one aspect of the invention, the invention relates to an active cooling type flight conveying system for a catalytic bed of a solid-liquid rocket engine, which comprises a hydrogen peroxide liquid supply system and a compressed gas supply system; the hydrogen peroxide liquid supply system comprises a high-pressure gas cylinder, a remote pressure release valve, a pressure reducer, a gas circuit electric explosion valve, a hydrogen peroxide storage tank, a liquid filling one-way valve, a liquid circuit electric explosion valve, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve; the compressed gas supply system comprises a sonic nozzle, a vortex tube and a catalytic bed;
a gas inlet of the hydrogen peroxide storage tank is sequentially connected with the pressure reducer and the high-pressure gas cylinder, and a pipeline between the pressure reducer and the high-pressure gas cylinder is connected with the remote pressure release valve, the pressurization port and the compressed gas outlet; a gas path electric explosion valve and a pressure relief port are arranged on a pipeline between the hydrogen peroxide storage tank and the pressure reducer;
a liquid outlet of the hydrogen peroxide storage tank is sequentially connected with the adjustable venturi tube and a corrugated tube, and an outlet end of the corrugated tube is connected with a liquid inlet of the catalytic bed; a pipeline between a liquid outlet of the hydrogen peroxide storage tank and the adjustable venturi is provided with the liquid circuit electric explosion valve and a liquid filling port; the main path electromagnetic valve is arranged on a pipeline between a liquid inlet of the catalytic bed and the corrugated pipe;
a compressed gas inlet of the vortex tube is connected with the compressed gas outlet, and the sonic nozzle is arranged between the compressed gas inlet and the compressed gas outlet; the cold gas outlet of the vortex tube is connected with the cooling gas inlet of the reaction chamber shell of the catalytic bed, and the hot gas outlet of the vortex tube is connected with the liquid inlet of the catalytic bed; and a gas outlet of the catalytic bed reaction chamber shell is connected with an attitude control system.
The invention ensures the safety of the conveying system through the matching and the specific connection mode of a high-pressure gas cylinder, a remote pressure release valve, a pressure reducer, a gas circuit electric explosion valve, a hydrogen peroxide storage tank, a liquid filling one-way valve, a liquid circuit electric explosion valve, an adjustable venturi tube, a corrugated pipe and a main path electromagnetic valve in a hydrogen peroxide liquid supply system; meanwhile, high-pressure gas of the high-pressure gas cylinder passes through the sonic nozzle to reach the vortex tube, the separated hot gas preheats a catalytic bed, and the cold gas cools the catalytic bed, so that the catalytic efficiency is improved; meanwhile, a gas outlet of the catalytic bed shell is connected with an attitude system, cooling gas obtains energy after being heated in the catalytic reaction chamber shell and enters the attitude control system, the effect of stabilizing rocket flight and providing attitude control thrust can be achieved, the quality of the attitude control system can be obviously reduced, and the safety of the attitude control system can be improved.
The vortex tube of the invention comprises a compressed gas inlet, a cold gas outlet and a hot gas outlet. Before the catalytic bed is started, the catalytic bed is heated in advance through a hot end of a vortex tube so as to have a higher initial temperature; the shell of the reaction chamber of the catalytic bed is cooled by the cold end of the vortex tube. After the catalytic bed is started, the hot end of the vortex tube is closed, and the shell of the reaction chamber of the catalytic bed is cooled only by the cold end of the vortex tube, so that the start delay of the catalytic bed can be reduced, and the catalytic efficiency of the catalytic bed can be improved.
In one embodiment, a filter is disposed between the liquid circuit electrical burst valve and the adjustable venturi. The filter can filter impurities, and the cleanness of a downstream conveying system is guaranteed.
In one embodiment, the upper end of the hydrogen peroxide storage tank is provided with a storage tank safety valve. When the pressurized gas is higher than the rated pressure of the storage tank, the safety valve of the storage tank is opened to release the pressure, so that accidents such as explosion and the like are prevented.
In one embodiment, the liquid filling port is provided with a liquid filling check valve. The hydrogen peroxide liquid enters the storage tank through the liquid filling one-way valve.
In one embodiment, the pressurization port is provided with a gas pressurization check valve. High-pressure gas enters the high-pressure gas cylinder through the gas pressurization one-way valve, and pressurization of the high-pressure gas cylinder is realized.
In one embodiment, the pressure relief port is provided with a pressure relief hand valve. The pressure relief hand valve is opened in the process of filling the hydrogen peroxide liquid, so that the gas in the storage tank is conveniently discharged.
In one embodiment, the line between the cold gas outlet of the vortex tube and the cooling gas inlet of the reactor shell of the catalytic bed is provided with a cold gas outlet solenoid valve. The low-temperature gas enters the cooling channel between the reaction chamber shell and the cooling channel shell through the cold gas outlet electromagnetic valve, enters from the downstream, absorbs the heat of the reaction chamber shell, and enters the attitude control system from the upstream outlet.
And a pipeline between a hot gas outlet of the vortex tube and a liquid inlet of the catalytic bed is connected with a hot gas outlet solenoid valve. High-temperature gas enters the inside of the catalytic bed for preheating through a hot gas outlet solenoid valve.
According to another aspect of the invention, the invention also relates to a method for implementing hydrogen peroxide delivery by using the solid-liquid rocket engine catalytic bed active cooling type flight delivery system, which comprises the following steps:
the gas in the high-pressure gas cylinder reaches a hydrogen peroxide storage tank through a pressure reducer and a gas circuit electric explosion valve, hydrogen peroxide liquid in the hydrogen peroxide storage tank is pressurized, and the pressurized hydrogen peroxide liquid sequentially passes through a liquid circuit electric explosion valve, a filter, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve to reach a liquid inlet of a catalytic bed;
preheating a catalyst bed prior to entry of said pressurized hydrogen peroxide liquid into an interior of said catalyst bed, said preheating comprising: the gas in the high-pressure gas cylinder enters the vortex tube through a sonic nozzle, and the separated hot gas of the vortex tube enters the inside of the catalytic bed;
after the pressurized hydrogen peroxide liquid enters the inside of the catalytic bed, the cold gas separated by the vortex tube enters a reaction chamber shell of the catalytic bed to cool the catalytic bed, and the cold gas in the reaction chamber shell is heated and then enters a position control system.
The method is safe and has high catalytic efficiency.
In one embodiment, pressurizing the high pressure gas cylinder comprises: and gas enters the high-pressure gas cylinder through the gas pressurization one-way valve.
In one embodiment, hydrogen peroxide liquid enters the hydrogen peroxide storage tank through a liquid filling one-way valve, and a pressure relief hand valve is opened during filling to vent gas in the hydrogen peroxide storage tank.
In one embodiment, a tank relief valve opens to allow venting when the pressurized gas is greater than the rated pressure of the hydrogen peroxide tank.
The invention will be further explained with reference to specific examples.
Example 1
An active cooling type flight conveying system for a catalytic bed of a solid-liquid rocket engine is shown in figure 1 and comprises a hydrogen peroxide liquid supply system A and a compressed gas supply system B; the hydrogen peroxide liquid supply system A comprises a high-pressure gas cylinder 1, a remote pressure release valve 2, a pressure reducer 4, a gas path electric explosion valve 5, a hydrogen peroxide storage tank 8, a liquid filling one-way valve 9, a liquid path electric explosion valve 10, a filter 11, an adjustable venturi 12, a corrugated pipe 13 and a main path electromagnetic valve 14; the compressed gas supply system B comprises a sonic nozzle 15, a vortex tube 16 and a catalytic bed;
a gas inlet of the hydrogen peroxide storage tank 8 is sequentially connected with the pressure reducer 4 and the high-pressure gas bottle 1, a pipeline between the pressure reducer 4 and the high-pressure gas bottle 1 is connected with the remote pressure release valve 2, a pressure boosting port and a compressed gas outlet, and the pressure boosting port is provided with a gas boosting one-way valve 3; a gas circuit electric explosion valve 5 and a pressure relief opening are arranged on a pipeline between the hydrogen peroxide storage tank 8 and the pressure reducer 4, and a pressure relief hand valve 6 is arranged at the pressure relief opening;
the liquid outlet of the hydrogen peroxide storage tank 8 is sequentially connected with the filter 11, the adjustable venturi 12 and the corrugated pipe 13, and the outlet end of the corrugated pipe 13 is connected with the liquid inlet of the catalytic bed; a pipeline between a liquid outlet of the hydrogen peroxide storage tank 8 and the filter 11 is provided with the liquid circuit electro-explosive valve 10 and a liquid filling port, and the liquid filling port is provided with a liquid filling one-way valve 9; said main solenoid valve 14 is arranged on the line between the liquid inlet of said catalytic bed and said bellows 13;
the upper end of the hydrogen peroxide storage tank 8 is provided with a storage tank safety valve 7;
a compressed gas inlet of the vortex tube 16 is connected with the compressed gas outlet, and the sonic nozzle 15 is arranged between the compressed gas inlet and the compressed gas outlet; the cold gas outlet of the vortex tube 16 is connected with the cooling gas inlet of the reaction chamber shell of the catalytic bed, and the hot gas outlet of the vortex tube 16 is connected with the liquid inlet of the catalytic bed; a gas outlet of the catalytic bed reaction chamber shell is connected with an attitude control system;
a cold gas outlet solenoid valve 17 is arranged on a pipeline between a cold gas outlet of the vortex tube 16 and a cooling gas inlet of a reaction chamber shell of the catalytic bed; the line between the hot gas outlet of the vortex tube 16 and the liquid inlet of the catalytic bed is connected to a hot gas outlet solenoid valve 18.
Example 2
The method for conveying the hydrogen peroxide by adopting the active cooling type flight conveying system of the solid-liquid rocket engine catalytic bed comprises the following steps:
high-pressure gas is stored in a high-pressure gas bottle 1, reaches a hydrogen peroxide storage tank 8 through a pressure reducer 4 and a gas circuit electric explosion valve 5, and is used for pressurizing hydrogen peroxide liquid in the storage tank; the pressurized hydrogen peroxide liquid reaches an adjustable venturi 12 through a liquid circuit electric explosion valve 10 and a filter 11, the flow of the hydrogen peroxide liquid can be controlled by adjusting the throat area of the venturi, and the hydrogen peroxide liquid reaches the inlet of a catalytic bed through a corrugated pipe 13 and a main path electromagnetic valve 14; the pressure reducer 4 plays a role in controlling the pressure of pressurized gas in the storage tank, the gas circuit electric explosion valve 5 and the liquid circuit electric explosion valve 10 are used for guaranteeing reliable opening of the valves and guaranteeing fast response speed, the filter 11 can filter impurities and guarantee cleanness of a downstream conveying system, the adjustable venturi tube 12 is mainly used for accurately controlling liquid flow of hydrogen peroxide and decoupling the conveying system at the same time, influences of downstream pressure changes on upstream are blocked, the corrugated tube 13 is mainly used for reducing influences of engine vibration on the upstream system, the main-circuit electromagnetic valve 14 plays a role in controlling on-off of supply of the liquid hydrogen peroxide, and multiple starting of the solid-liquid rocket engine can be achieved.
High-pressure gas enters the high-pressure gas cylinder 1 through the gas pressurization one-way valve 3, so that the pressurization of the high-pressure gas cylinder 1 is realized, and the pressure can be released through the remote pressure release valve 2 when an emergency occurs, so that the operation safety is improved; hydrogen peroxide liquid gets into hydrogen peroxide storage tank 8 through liquid filling check valve 9, and pressure release hand valve 6 is opened at the filling in-process, makes things convenient for the gas in hydrogen peroxide storage tank 8 to discharge, and when the pressurized gas was greater than storage tank rated pressure, storage tank relief valve 7 opened the pressure release, prevents accidents such as explosion.
Compressed gas enters a vortex tube 16 through a sonic nozzle 15, the gas is separated into high-temperature gas and low-temperature gas through the vortex tube 16, the high-temperature gas enters a catalytic bed through a hot gas outlet electromagnetic valve 18, and the catalytic bed is preheated through the high-temperature gas; the low-temperature gas enters the cooling channel between the reaction chamber shell and the cooling channel shell through the cold gas outlet electromagnetic valve 17, enters from the downstream, absorbs the heat of the reaction chamber shell, and enters the attitude control system from the upstream outlet. In FIG. 1, P is a pressure measurement point, and T is a temperature measurement point.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An active cooling type flight conveying system for a catalytic bed of a solid-liquid rocket engine is characterized by comprising a hydrogen peroxide liquid supply system and a compressed gas supply system; the hydrogen peroxide liquid supply system comprises a high-pressure gas cylinder, a remote pressure release valve, a pressure reducer, a gas circuit electric explosion valve, a hydrogen peroxide storage tank, a liquid filling one-way valve, a liquid circuit electric explosion valve, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve; the compressed gas supply system comprises a sonic nozzle, a vortex tube and a catalytic bed;
a gas inlet of the hydrogen peroxide storage tank is sequentially connected with the pressure reducer and the high-pressure gas cylinder, and a pipeline between the pressure reducer and the high-pressure gas cylinder is connected with the remote pressure release valve, the pressurization port and the compressed gas outlet; a gas path electric explosion valve and a pressure relief port are arranged on a pipeline between the hydrogen peroxide storage tank and the pressure reducer;
a liquid outlet of the hydrogen peroxide storage tank is sequentially connected with the adjustable venturi tube and a corrugated tube, and an outlet end of the corrugated tube is connected with a liquid inlet of the catalytic bed; a pipeline between a liquid outlet of the hydrogen peroxide storage tank and the adjustable venturi is provided with the liquid circuit electric explosion valve and a liquid filling port; the main path electromagnetic valve is arranged on a pipeline between a liquid inlet of the catalytic bed and the corrugated pipe;
a compressed gas inlet of the vortex tube is connected with the compressed gas outlet, and the sonic nozzle is arranged between the compressed gas inlet and the compressed gas outlet; the cold gas outlet of the vortex tube is connected with the cooling gas inlet of the reaction chamber shell of the catalytic bed, and the hot gas outlet of the vortex tube is connected with the liquid inlet of the catalytic bed; and a gas outlet of the catalytic bed reaction chamber shell is connected with an attitude control system.
2. The rocket motor catalytic bed actively cooled flying transport system of claim 1 wherein a filter is disposed between said liquid circuit electro-burst valve and said adjustable venturi.
3. The rocket motor catalytic bed actively cooled flying transport system of claim 1 wherein the hydrogen peroxide reservoir is provided with a reservoir relief valve at its upper end.
4. The rocket motor catalytic bed active cooling type flight delivery system according to claim 1, wherein the liquid filling port is provided with a liquid filling check valve.
5. The rocket motor catalytic bed actively cooled flying transport system of claim 1, wherein said pressurizing port is provided with a gas pressurizing one-way valve.
6. The rocket motor catalytic bed actively cooled airborne delivery system of claim 1, wherein said pressure relief vent is provided with a pressure relief hand valve.
7. The active cooling type flying transport system for catalytic beds of solid-liquid rocket engines according to claim 1, characterized in that a cold gas outlet solenoid valve is provided in a pipeline between a cold gas outlet of the vortex tube and a cooling gas inlet of a reaction chamber shell of the catalytic bed.
8. The rocket motor catalytic bed actively cooled flying transport system according to claim 1, wherein the pipeline between the hot gas outlet of the vortex tube and the liquid inlet of the catalytic bed is connected to a hot gas outlet solenoid valve.
9. The method for conveying the hydrogen peroxide by adopting the active cooling type flight conveying system of the solid-liquid rocket engine catalyst bed of any one of claims 1 to 8 is characterized by comprising the following steps:
the gas in the high-pressure gas cylinder reaches a hydrogen peroxide storage tank through a pressure reducer and a gas circuit electric explosion valve, hydrogen peroxide liquid in the hydrogen peroxide storage tank is pressurized, and the pressurized hydrogen peroxide liquid sequentially passes through a liquid circuit electric explosion valve, a filter, an adjustable venturi tube, a corrugated tube and a main path electromagnetic valve to reach a liquid inlet of a catalytic bed;
preheating a catalyst bed prior to entry of said pressurized hydrogen peroxide liquid into an interior of said catalyst bed, said preheating comprising: the gas in the high-pressure gas cylinder enters the vortex tube through a sonic nozzle, and the separated hot gas of the vortex tube enters the inside of the catalytic bed;
after the pressurized hydrogen peroxide liquid enters the inside of the catalytic bed, the cold gas separated by the vortex tube enters a reaction chamber shell of the catalytic bed to cool the catalytic bed, and the cold gas in the reaction chamber shell is heated and then enters a position control system.
10. The method of claim 9, wherein pressurizing the high pressure gas cylinder comprises: gas enters the high-pressure gas cylinder through a gas pressurization one-way valve;
hydrogen peroxide liquid enters the hydrogen peroxide storage tank through a liquid filling one-way valve, and a pressure relief hand valve is opened in the filling process to discharge gas in the hydrogen peroxide storage tank;
and when the pressurized gas is higher than the rated pressure of the hydrogen peroxide storage tank, the safety valve of the storage tank is opened to release the pressure.
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| CN110979746A (en) * | 2019-12-18 | 2020-04-10 | 北京航空航天大学 | Rocket three-stage solid-liquid main power and attitude control integrated system and method thereof |
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