CN103993984A - Hydrogen-peroxide-assisted ignition device - Google Patents

Hydrogen-peroxide-assisted ignition device Download PDF

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Publication number
CN103993984A
CN103993984A CN201410223455.XA CN201410223455A CN103993984A CN 103993984 A CN103993984 A CN 103993984A CN 201410223455 A CN201410223455 A CN 201410223455A CN 103993984 A CN103993984 A CN 103993984A
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China
Prior art keywords
hydrogen peroxide
catalyzed
control valve
parts
ignition device
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CN201410223455.XA
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Chinese (zh)
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CN103993984B (en
Inventor
夏必忠
任世远
田勇
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Shenzhen Graduate School Tsinghua University
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Shenzhen Graduate School Tsinghua University
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Abstract

The invention discloses a hydrogen-peroxide-assisted ignition device which comprises a hydrogen peroxide storage container, a hydrogen peroxide catalytic device and a hydrogen peroxide control valve. The hydrogen peroxide storage container is communicated with a combustion chamber of a turbojet engine through a hydrogen peroxide pipeline. The hydrogen peroxide control valve and the hydrogen peroxide catalytic device are arranged on the hydrogen peroxide pipeline. The hydrogen peroxide catalytic device is used for catalyzing hydrogen peroxide to obtain oxygen and water. When the turbojet engine is ignited, the hydrogen peroxide control valve is opened. The hydrogen-peroxide-assisted ignition device solves the difficult problem that the turbojet engine is hard to ignite rapidly in the oxygen-deprived high-altitude environment, and is particularly suitable for the turbojet engine which drives airborne short-range missiles, training drones and the like to work in the high-altitude environment and has a high requirement for rapid startup.

Description

A kind of hydrogen peroxide auxiliary ignition device
[technical field]
The present invention relates to a kind of turbojet engine ignition mechanism, relate in particular to a kind of hydrogen peroxide auxiliary ignition device.
[background technique]
Turbojet engine is that a kind of combustion gas injection that relies on completely produces the motor of thrust, and turbojet engine has that thrust weight ratio is high, simple in structure, energy density advantages of higher, is commonly used for the power plant of guided missile, target drone etc.
Guided missile, target drone etc. play an important role in modern military field, and guided missile, target drone have higher requirement to the quick startability of motor.Conventionally the startup of turbojet engine is to rely on the high-speed motor of turbojet engine front end (for example rotating speed is 18,000rpm left and right) drive turbojet engine turbine shaft and gas compressor to rotate, in the higher environment of oxygen concentration, the oxygen of the gas compressor supply under this rotating speed can meet the demand of turbojet engine efficient burning to oxygenant.And in the time that airborne missile high-altitude projects, due to high altitude environment rarefaction of air oxygen deficiency, now, provide oxygen if adopt equally the high-speed motor of turbojet engine front end to drive gas compressor to rotate to be turbojet engine burning, before the rotating speed of gas compressor reaches normal working speed, the amount of oxygen of this generation is generally difficult to meet the demand of turbojet engine efficient burning, and then causes being short of power of turbojet engine and the aircraft serious accident such as fall occurs.
[summary of the invention]
In order to overcome the deficiencies in the prior art, the invention provides a kind of hydrogen peroxide auxiliary ignition device, to improve the Security of aircraft.
A kind of hydrogen peroxide auxiliary ignition device, comprise hydrogen peroxide reservoir vessel, hydrogen peroxide catalyzed device and hydrogen peroxide control valve, described hydrogen peroxide reservoir vessel is by the firing chamber of hydrogen peroxide pipeline connection turbojet engine, described hydrogen peroxide control valve and described hydrogen peroxide catalyzed device are set on described hydrogen peroxide pipeline, described hydrogen peroxide catalyzed device is for carrying out catalysis and obtain oxygen G&W hydrogen peroxide, in the time of described turbojet engine igniting, described hydrogen peroxide control valve is opened.
In one embodiment, in the time that described turbojet engine is normally worked, described hydrogen peroxide control valve is closed.
In one embodiment, also comprise fuel reserve container and fuel control valve, described fuel reserve container is communicated with the firing chamber of described turbojet engine by fuel conduit, described fuel control valve is arranged on described fuel conduit, before described turbojet engine igniting, described fuel control valve cuts out; Open after set time when described hydrogen peroxide control valve, described fuel control valve is opened.
In one embodiment, described hydrogen peroxide pipeline comprises the helical jet pipe that is positioned at described firing chamber, and the tube wall of described helical jet pipe is provided with through hole.
In one embodiment, described hydrogen peroxide catalyzed device comprises hydrogen peroxide entrance, hydrogen peroxide catalyzed parts, the outlet of hydrogen peroxide decomposition gas and multiple hydrogen peroxide distribution member, described hydrogen peroxide entrance, hydrogen peroxide distribution member, hydrogen peroxide catalyzed parts and the outlet of hydrogen peroxide decomposition gas are successively set on flowing on path of hydrogen peroxide, described hydrogen peroxide entrance and the outlet of hydrogen peroxide decomposition gas access respectively described hydrogen peroxide pipeline, between adjacent hydrogen peroxide distribution member, there is hydrogen peroxide passage, described hydrogen peroxide entrance is by described hydrogen peroxide passage and described hydrogen peroxide catalyzed members, described hydrogen peroxide parts are provided with hydrogen peroxide catalyzed dose.
In one embodiment, described hydrogen peroxide catalyzed parts comprise the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts, the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts are respectively near the outlet of described hydrogen peroxide distribution member and hydrogen peroxide decomposition gas, between described the first hydrogen peroxide catalyzed parts and hydrogen peroxide distribution member, be equipped with fluid stopping parts between described the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts.
In one embodiment, described hydrogen peroxide reservoir vessel is provided with hydrogen peroxide boost port, and described hydrogen peroxide boost port is for injecting pressurization gas to prevent the gas backstreaming after hydrogen peroxide and/or hydrogen peroxide decompose to hydrogen peroxide reservoir vessel.
In one embodiment, described hydrogen peroxide catalyzed device contains ceramic particle catalyzer or silver catalyst.
In one embodiment, between described fuel reserve container and fuel control valve, be provided with fuel transfer pump, when described hydrogen peroxide control valve is opened after set time section, described transfer pump work.
In one embodiment, described hydrogen peroxide pipeline enters described firing chamber through the wall of described firing chamber.
This hydrogen peroxide auxiliary ignition device has solved the difficult problem that in the thin high altitude environment of oxygen turbojet engine is difficult to realize rapid igniting, is particularly suitable for the turbojet engine that drives airborne short-range guided missile, training target drone etc. to work in high altitude environment and quick startup is had higher requirements.
[brief description of the drawings]
Fig. 1 is the system schematic of the hydrogen peroxide auxiliary ignition device of an embodiment of the present invention;
Fig. 2 is the part system schematic of the another kind of embodiment's of the present invention hydrogen peroxide auxiliary ignition device;
Fig. 3 is the hydrogen peroxide catalyzed apparatus structure schematic diagram of the another kind of embodiment's of the present invention hydrogen peroxide auxiliary ignition device.
[embodiment]
Below the preferred embodiment of invention is described in further detail.
In certain embodiments, in the time that turbojet engine starts, this hydrogen peroxide auxiliary ignition device, first make hydrogen peroxide (can adopt high-strength hydrogen peroxide high test peroxide, be called for short HTP) there is violent decomposition reaction through the catalysis device that contains hydrogen peroxide catalyzed dose, generate the High Temperature High Pressure mixed gas being formed by water vapour and oxygen the firing chamber that imports turbojet engine.Postponing after set time, as after 1-2 second, fuel system starts, in the time that the fuel of atomization is met as the pyrolysis gas phase of mineral wet goods and high-strength hydrogen peroxide, burn rapidly and discharge a large amount of energy, drive turbojet engine work and outputting power, turbojet engine has entered the normal working with rated speed.After turbojet engine completes igniting, turbojet engine enters normal circulation working state, now, in the time that turbojet engine is normally worked, when the rotating speed of gas compressor reaches normal working speed, the oxygen of high-speed compressor supply (even in the thin high altitude environment of oxygen) can meet the efficient burning demand of turbojet engine, and hydrogen peroxide auxiliary ignition device will quit work; Now, the needed oxygen of the fuel combustion of turbojet engine is provided by gas compressor, and turbojet engine will keep lasting burning to release energy and outputting power.
Fig. 1 is hydrogen peroxide auxiliary ignition device system schematic, and it comprises the constituent elements such as fuel supply subtense angle, auxiliary fuel supply subtense angle, ECU (Electrical Control Unit) ECU.Described fuel supply subtense angle comprises fuel transfer pump 6, fuel reserve container 7, fuel adding mouth 8, fuel safety valve 9, fuel pressure sensor 10, fuel control valve 11 and fuel conduit 111.Described auxiliary fuel supply subtense angle comprises hydrogen peroxide reservoir vessel 1, hydrogen peroxide boost port 2, safety valve 3, hydrogen peroxide pressure transducer 4, hydrogen peroxide control valve 16, hydrogen peroxide catalyzed device 15 and hydrogen peroxide filling mouth, and wherein hydrogen peroxide boost port 2 can be used as this hydrogen peroxide filling mouth simultaneously.
In the time of turbojet engine 18 ignition trigger, first ECU (Electrical Control Unit) ECU5 sends command signal to hydrogen peroxide control valve 16, the conducting of hydrogen peroxide control valve simultaneously.Like this, supercharging and there is hydrogen peroxide in the hydrogen peroxide reservoir vessel 1 of certain pressure through hydrogen peroxide control valve 16, there is violent cartalytic decomposition effect at hydrogen peroxide catalyzed device 15, and generate the mixture that comprises oxygen, as the high-temperature gas mixture that oxygen and water vapour formed; The high-temperature gas mixture generating divides some roads (two-way to be shown in Fig. 1, one tunnel is positioned at the below of turbojet engine 18, another road is positioned at the top of turbojet engine 18) enter turbojet engine 18, the pipeline being arranged in turbojet engine 18 sprays into the high-temperature gas mixture of reaction generation in the firing chamber 13 of turbojet engine 18 by the aperture on 13 walls of firing chamber.After set time, for example, after the time lag of 1-2 second, ECU (Electrical Control Unit) ECU5 sends open command to fuel control valve 11, fuel is divided into through fuel transfer pump 6, fuel control valve 11 firing chamber 13 (two-way is only shown in Fig. 1, lays respectively at the above and below of motor 18) that some roads enter turbojet engine 18.In firing chamber 13, in the time that atomized fuel (as mineral fuel oil) is met with the pyrolysis gas phase of hydrogen peroxide, to violent combustion reaction occur and discharge a large amount of energy, now the required oxygen of atomized fuel ignition and combustion and energy be mainly provided by hydrogen peroxide decomposition gas.
Turbojet engine 18 needs fuel to be annotated to fuel storage tank by fuel adding mouth 2 while work.Hydrogen peroxide in hydrogen peroxide holding vessel 1 is annotated by hydrogen peroxide filling mouth, after hydrogen peroxide filling mouth or boost port 2, is provided with safety valve 3, the hydrogen peroxide of annotating be high-strength hydrogen peroxide, its mass percent is preferably greater than 70%.Hydrogen peroxide is after filling completes, pressurization gas is injected in hydrogen peroxide reservoir vessel 1 by hydrogen peroxide boost port 2, pressurization gas can adopt such as nitrogen of inert gas, utilize high pressure nitrogen, by hydrogen peroxide boost port, the hydrogen peroxide in hydrogen peroxide holding vessel 1 is carried out to supercharging, energy loss when hydrogen peroxide flows in pipeline when overcoming work, occurs while preventing work that hydrogen peroxide and/or its decomposition gas backflow phenomenon occur.
Figure 2 shows that the second embodiment of the present invention, this embodiment need be in firing chamber 13 the interior spirality jet pipe 17 that arranges, hydrogen peroxide decomposes the oxygen and the water vapor high-temperature gas mixture that generate and enters by entrance 172 in the spirality jet pipe 17 in the firing chamber 13 of turbojet engine 18, high-temperature gas mixture body is sprayed by the aperture 171 on spirality jet pipe 17 tube walls and end nozzle 173 thereof, releases energy and oxygen.The present embodiment can ensure that hydrogen peroxide decomposes the energy and the oxygen that discharge and is uniformly distributed in firing chamber 13, decomposes the oxygen producing and can fully mix with fuel.
The catalyzer of hydrogen peroxide catalyzed device can adopt ceramic particle catalyzer or silver catalyst, pottery ionic catalyst mainly by the body material of high strength, high temperature resistant, specific area as γ-Al2O3, and the metallic high-temperature roasting by a certain percentage such as manganese ion, silver ion, copper ion, Zinc ion, barium ions hydrogen peroxide to violent catalysis forms.Figure 3 shows that the schematic diagram of the hydrogen peroxide catalyzed device of a kind of embodiment (for example catalytic bed), it comprises hydrogen peroxide entrance 15-1, hydrogen peroxide distribution member 15-2, the first fluid stopping device 15-3 and the second fluid stopping device 15-5, the first hydrogen peroxide catalyzed parts 15-4 and the second hydrogen peroxide catalyzed parts 15-6 and dunnage 15-7 and hydrogen peroxide decomposition gas outlet 15-8, hydrogen peroxide entrance 15-1, hydrogen peroxide distribution member 15-2, hydrogen peroxide catalyzed parts 15-4, 15-6 and hydrogen peroxide decomposition gas outlet 15-8 are successively set on flowing on path of hydrogen peroxide, described hydrogen peroxide entrance 15-1 and hydrogen peroxide decomposition gas outlet 15-8 access respectively described hydrogen peroxide pipeline 161, between adjacent hydrogen peroxide distribution member 12, there is hydrogen peroxide passage, hydrogen peroxide enters hydrogen oxide catalysis device by hydrogen peroxide entrance 15-1, hydrogen peroxide distribution member 15-2 makes the distribution of hydrogen peroxide more equably through the first hydrogen peroxide catalyzed parts 15-4 and the second hydrogen peroxide catalyzed parts 15-6, improve catalytic efficiency.Between hydrogen peroxide distribution member 15-2 and the first hydrogen peroxide catalyzed parts 15-4 and the first hydrogen peroxide catalyzed parts 15-4 and the second hydrogen peroxide catalyzed parts 15-6, be respectively equipped with the first fluid stopping device 15-3 and the second fluid stopping device 15-5, the first fluid stopping device 15-3 and the second fluid stopping device 15-5 can guarantee that hydrogen peroxide flows through from the catalysis end face of hydrogen peroxide catalyzed parts.Between the second hydrogen peroxide catalyzed parts 15-6 and the outlet of hydrogen peroxide decomposition gas, be provided with dunnage 15-7, the hydrogen peroxide catalyzed device of the present embodiment can adopt silver catalyst.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the present invention by the definite scope of patent protection of submitted to claims.

Claims (10)

1. a hydrogen peroxide auxiliary ignition device, it is characterized in that, comprise hydrogen peroxide reservoir vessel, hydrogen peroxide catalyzed device and hydrogen peroxide control valve, described hydrogen peroxide reservoir vessel is by the firing chamber of hydrogen peroxide pipeline connection turbojet engine, described hydrogen peroxide control valve and described hydrogen peroxide catalyzed device are set on described hydrogen peroxide pipeline, described hydrogen peroxide catalyzed device is for carrying out catalysis and obtain oxygen G&W hydrogen peroxide, in the time of described turbojet engine igniting, described hydrogen peroxide control valve is opened.
2. hydrogen peroxide auxiliary ignition device as claimed in claim 1, is characterized in that: in the time that described turbojet engine is normally worked, described hydrogen peroxide control valve is closed.
3. hydrogen peroxide auxiliary ignition device as claimed in claim 1, it is characterized in that: also comprise fuel reserve container and fuel control valve, described fuel reserve container is communicated with the firing chamber of described turbojet engine by fuel conduit, described fuel control valve is arranged on described fuel conduit, before described turbojet engine igniting, described fuel control valve cuts out; Open after set time when described hydrogen peroxide control valve, described fuel control valve is opened.
4. hydrogen peroxide auxiliary ignition device as claimed in claim 1, is characterized in that: described hydrogen peroxide pipeline comprises the helical jet pipe that is positioned at described firing chamber, and the tube wall of described helical jet pipe is provided with through hole.
5. hydrogen peroxide auxiliary ignition device as claimed in claim 1, it is characterized in that: described hydrogen peroxide catalyzed device comprises hydrogen peroxide entrance, hydrogen peroxide catalyzed parts, the outlet of hydrogen peroxide decomposition gas and multiple hydrogen peroxide distribution member, described hydrogen peroxide entrance, hydrogen peroxide distribution member, hydrogen peroxide catalyzed parts and the outlet of hydrogen peroxide decomposition gas are successively set on flowing on path of hydrogen peroxide, described hydrogen peroxide entrance and the outlet of hydrogen peroxide decomposition gas access respectively described hydrogen peroxide pipeline, between adjacent hydrogen peroxide distribution member, there is hydrogen peroxide passage, described hydrogen peroxide entrance is by described hydrogen peroxide passage and described hydrogen peroxide catalyzed members, described hydrogen peroxide parts are provided with hydrogen peroxide catalyzed dose.
6. hydrogen peroxide auxiliary ignition device as claimed in claim 5, it is characterized in that: described hydrogen peroxide catalyzed parts comprise the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts, the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts are respectively near the outlet of described hydrogen peroxide distribution member and hydrogen peroxide decomposition gas, between described the first hydrogen peroxide catalyzed parts and hydrogen peroxide distribution member, be equipped with fluid stopping parts between described the first hydrogen peroxide catalyzed parts and the second hydrogen peroxide catalyzed parts.
7. hydrogen peroxide auxiliary ignition device as claimed in claim 1, it is characterized in that: described hydrogen peroxide reservoir vessel is provided with hydrogen peroxide boost port, described hydrogen peroxide boost port is for injecting pressurization gas to prevent the gas backstreaming after hydrogen peroxide and/or hydrogen peroxide decompose to hydrogen peroxide reservoir vessel.
8. hydrogen peroxide auxiliary ignition device as claimed in claim 1, is characterized in that: described hydrogen peroxide catalyzed device contains ceramic particle catalyzer or silver catalyst.
9. hydrogen peroxide auxiliary ignition device as claimed in claim 3, is characterized in that: between described fuel reserve container and fuel control valve, be provided with fuel transfer pump, and when described hydrogen peroxide control valve is opened after set time section, described transfer pump work.
10. hydrogen peroxide auxiliary ignition device as claimed in claim 1, is characterized in that: described hydrogen peroxide pipeline enters described firing chamber through the wall of described firing chamber.
CN201410223455.XA 2014-05-23 2014-05-23 A kind of hydrogen peroxide auxiliary ignition device Expired - Fee Related CN103993984B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113530714A (en) * 2021-09-16 2021-10-22 西安空天引擎科技有限公司 Pumping pressure type engine starting ignition method and system based on hydrogen peroxide

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314719B1 (en) * 1999-12-23 2001-11-13 The Boeing Company Ignition system for a propulsion producing engine
EP1533511A1 (en) * 2003-11-18 2005-05-25 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Process for igniting a rocket engine and rocket engine
US7736751B2 (en) * 2006-09-20 2010-06-15 The Boeing Company Coating for components requiring hydrogen peroxide compatibility
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CN102996284A (en) * 2012-11-27 2013-03-27 北京航空航天大学 Solid-liquid rocket engine annular igniter suitable for head jet of hydrogen peroxide
CN103557094A (en) * 2013-09-18 2014-02-05 北京航空航天大学 High-concentration hydrogen peroxide catalysis bed structure used for ground test of solid-liquid hybrid rocket motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6314719B1 (en) * 1999-12-23 2001-11-13 The Boeing Company Ignition system for a propulsion producing engine
EP1533511A1 (en) * 2003-11-18 2005-05-25 Nederlandse Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek Tno Process for igniting a rocket engine and rocket engine
US7736751B2 (en) * 2006-09-20 2010-06-15 The Boeing Company Coating for components requiring hydrogen peroxide compatibility
CN102658066A (en) * 2012-04-26 2012-09-12 葛明龙 Catalytic decomposition low-concentration hydrogen peroxide reactor, combustion chamber and application thereof
CN102996284A (en) * 2012-11-27 2013-03-27 北京航空航天大学 Solid-liquid rocket engine annular igniter suitable for head jet of hydrogen peroxide
CN103557094A (en) * 2013-09-18 2014-02-05 北京航空航天大学 High-concentration hydrogen peroxide catalysis bed structure used for ground test of solid-liquid hybrid rocket motor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113530714A (en) * 2021-09-16 2021-10-22 西安空天引擎科技有限公司 Pumping pressure type engine starting ignition method and system based on hydrogen peroxide
CN113530714B (en) * 2021-09-16 2021-12-14 西安空天引擎科技有限公司 Pumping pressure type engine starting ignition method and system based on hydrogen peroxide

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