CN107867404A - The apparatus and method of fuel tank inerting - Google Patents
The apparatus and method of fuel tank inerting Download PDFInfo
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- CN107867404A CN107867404A CN201711154585.2A CN201711154585A CN107867404A CN 107867404 A CN107867404 A CN 107867404A CN 201711154585 A CN201711154585 A CN 201711154585A CN 107867404 A CN107867404 A CN 107867404A
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- fuel
- fuel tank
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- heat exchanger
- gas
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/32—Safety measures not otherwise provided for, e.g. preventing explosive conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The invention discloses fuel tank inerting unit and method, and the mixture of the air of fuel tanker gas-phase space and fuel vapor is produced into hydrogen and carbon dioxide in catalyst cracker by fuel vapor after dry filter, fuel oil refrigerated separation.Wherein hydrogen reacts generation water with oxygen in hydrogen-oxygen fuel cell, and collection can be used for flying Passenger On Board water after reaction is produced into water filtration, while fuel cell reaction can produce electric energy, and the electric energy available for the various electrical equipments of aircraft is fed.Have neither part nor lot in reaction inert gas such as carbon dioxide and nitrogen be passed through fuel tank gas-phase space can to fuel tank carry out inerting, ensure Flight Safety.The present apparatus, which has, to supply water, power supply and fuel tank inerting triple functions, and system flow is simple and reliable.
Description
Technical field
The present invention relates to airplane equipment security fields, more particularly to the apparatus and method of fuel tank inerting.
Background technology
A large amount of aircraft accident analyses of causes are shown, fuel tanker catches fire to explode has great prestige to personnel and equipment safety
The side of body, therefore how to reduce research emphasis of the fuel tanker explosion accident probability as aircraft safety problem.By largely testing
Show with result of study, fuel tank inerting is a kind of fire-proof and explosion-proof mode of cost-effective fuel tank.
Fuel tank inerting refers to:Using inert gas such as nitrogen, carbon dioxide etc., fuel tank gas-phase space is filled with, is displaced
The oxygen of gas-phase space, oxygen content is reduced, oxygen concentration is reached below Flammability limits.Therefore, even if running into outside igniting
During source, blast on fire will not also occur for fuel tank.At present, airborne nitrogen inerting system processed is to use most extensive and ripe fuel tank inerting
Technology, the technology utilize engine bleed, and by Middle hollow fiber membrane nitrogen and oxygen, the nitrogen-rich gas required for producing lead to
Enter fuel tank gas-phase space, fuel tank gas-phase space oxygen concentration is reduced with this.But the technology requires very high, hollow fibre to bleed pressure
The shortcomings of low efficiency, short life, easily block, pollution is produced to environment be present in dimension film nitrogen.
Therefore, there is atmospheric pressure requirement height in existing airborne nitrogen inerting system processed, and inerting effect is poor, the disagreeableness spy of environment
Point.
The content of the invention
The invention provides fuel tank inerting unit and method, inerting can be carried out to airborne tank, without high-strength atmospheric pressure,
And not generation environment pollutant.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
Fuel tank inerting unit, including：Fuel tank（1）, the first triple valve（2）, oil eliminator（6）, hydrogen-oxygen fuel cell（10）, moisture
From device（13）, the second triple valve（205）.
Fuel tank（1）Upper setting inert gas entrance, mixed gas outlet and fuel filler, the mixed gas outlet are passed through
First triple valve（2）, the first triple valve（2）Also connect atmospheric environment, the first triple valve（2）Connect oil eliminator（6）, oil separation
Device（6）Divide the connection fuel filler and fuel oil cracker（8）, fuel oil cracker（8）And hydrogen-oxygen fuel cell
（10）Anodic gas access road connection, the second triple valve（205）Connect hydrogen-oxygen fuel cell（10）Cathode gas inlet
Passage, the second triple valve（205）Connect atmospheric environment, hydrogen-oxygen fuel cell（10）Mixed gas outlet passage connection water separation
Device（13）Gas passage, the gas passage connects the inert gas entrance.
Further, the first triple valve（2）And oil eliminator（6）Between be sequentially connected first and be air-dried filter（3）、
Blower fan（4）And electronic cooler（5）.
Further, oil eliminator（6）The first fuel pump is sequentially connected between the fuel filler（202）And check valve
（201）.
Further, oil eliminator（6）And hydrogen-oxygen fuel cell（10）Between be sequentially connected electronic heater（7）, fuel oil
Cracker（8）, First Heat Exchanger（9）.
Further, First Heat Exchanger（9）Provided with cold side aquaporin and hot side gas passage, the hot side gas passage connects
Connect hydrogen-oxygen fuel cell（10）, the cold side aquaporin passes through water pump（101）And separator（13）Aqueous water split tunnel
Connection.
Further, hydrogen-oxygen fuel cell（10）And separator（13）Between be mounted with the second heat exchanger（12）, second
Triple valve（205）Connect and blast air to the second heat exchanger（12）, the second heat exchanger（12）Connect air.
Further, the second triple valve（205）The front end of connection atmospheric environment sets gradually Filter dryer（203）And sky
Air compressor（204）.
Further, separator（13）And fuel tank（1）Between spark arrester is set（301）.
Further, the first triple valve（2）And oil eliminator（6）Between be sequentially connected first and be air-dried filter（3）、
Blower fan（4）With the 3rd heat exchanger（14）, the 3rd heat exchanger（14）Hot side gas passage be installed on blower fan（4）And oil eliminator
（6）Gas passage between, the 3rd heat exchanger（14）Cold side gas channel inlet exports for ram-air, connects with atmospheric environment
It is logical；
Oil eliminator（6）And First Heat Exchanger（9）Between set the 4th heat exchanger（15）, the 4th heat exchanger（15）Cold side gas leads to
Road is installed on oil eliminator（6）With fuel oil cracker（8）Between, the 4th heat exchanger（15）Hot side gas channel inlet and
Two heat exchangers（12）Cold side gas path exit port connects, the 4th heat exchanger（15）Hot side gas path exit port connects with atmospheric environment
It is logical.
Further, fuel oil injector（302）Outlet and fuel tank（1）Bottom connects, fuel oil injector（302）First enter
Mouth and spark arrester（301）Outlet connection, fuel oil emitter（302）Second entrance and the second fuel pump（303）Outlet connection, second
Fuel pump（303）Fuel filler and fuel tank（1）Bottom connects.
Further, fuel oil cracker（8）In catalyst be amorphous silicic aluminium and crystalline aluminosilicate
Mixture.
Present invention also offers fuel tank inerting unit method, including：
S1, mixed gas are from fuel tank（1）Exit into the first triple valve（2）The tonifying Qi flowed into atmospheric ambient air is mixed
Close；
S2, the first triple valve（2）Output mixed gas is passed through oil eliminator（6）Carry out Oil-gas Separation；
S3, oil eliminator（6）The mixed gas of output is passed through fuel oil cracker（8）Cracking reaction is carried out, obtains hydrogen, two
Carbonoxide and unreacted nitrogen,
Hydrogen, carbon dioxide and unreacted nitrogen obtained by S4, S3 enter hydrogen-oxygen fuel cell（10）Anode, with hydrogen-oxygen fuel
Battery（10）Air in negative electrode is reacted, and obtains vapor, carbon dioxide and nitrogen；
Water vapor condensation obtained by S5, S4 is in separator（13）Middle formation aqueous water, carbon dioxide and nitrogen pass through fuel tank（1）
Inerting.
What the present invention had has the beneficial effect that：The present invention is by fuel catalytic cracking reaction by fuel tanker gas-phase space fuel oil
It is steamed cracking to be decomposed into hydrogen and carbon dioxide, and electric energy and water are produced in hydrogen-oxygen fuel cell with oxygen using hydrogen, simultaneously
Carbon dioxide enters fuel tank gas-phase space with having neither part nor lot in the nitrogen formation inert gas of reaction, and fuel tank gas-phase space oxygen is reduced with this
Depth, fuel tank blast on fire is prevented, reach the purpose of protection fuel tank safety；The system can realize power supply, water supply and fuel tank inerting
Triple functions；And whole system forms closed loop, avoids fuel vapor from being discharged directly into atmosphere pollution environment；In system not
Engine bleed is needed, improves engine performance and energy utilization rate；To sum up, the present invention has simple in construction, using energy source
Rate is high, it is environment-friendly the features such as.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the structure chart of embodiment one；
Fig. 2 is the structure chart of embodiment two；
Fig. 3 is the structure chart of embodiment three.
1- fuel tankers, the triple valves of 2- first, 3- first are air-dried filter, 4- blower fans, 5- electronic coolers, 6- oil
Separator, 7 electronic heaters, 8- fuel oil crackers, 9- First Heat Exchangers, 10- hydrogen-oxygen fuel cells, 11- electrical equipments,
The heat exchangers of 12- second, 13- separators, the heat exchangers of 14- the 3rd, the heat exchangers of 15- the 4th, 101- water pumps, 102, water filter,
103, storage tank, 201- check valves, 202 first fuel pumps, 203- the second air filtration driers, 204- air compressors,
The triple valves of 205- second, 301- spark arresters, 302- fuel oil injectors, the fuel pumps of 303- second.
Embodiment
To make those skilled in the art more fully understand technical scheme, with reference to embodiment to this
Invention is described in further detail.
Embodiment one
Fuel tank inerting unit, as shown in figure 1, including：Fuel tank 1, the first triple valve 2, first is air-dried filter 3, blower fan 4,
Electronic cooler 5, oil eliminator 6, electronic heater 7, fuel oil cracker 8, First Heat Exchanger 9, hydrogen-oxygen fuel cell 10,
Electrical equipment 11, the second heat exchanger 12, separator 13, water pump 101, water filter 102, storage tank 103, check valve 201, the
One fuel pump 202, the second air filtration drier 203, air compressor 204, the second triple valve 205, spark arrester 301.
The mixed gas outlet of fuel tank 1 connects the first triple valve 2, and the first triple valve 2 also connects with atmospheric environment, and input is mixed
Close gas and be air-dried filter 3 to first, remove the steam in mixed gas.
Mixed gas after water removal blasts electronic cooler 5 by blower fan 4, and the fuel oil vital qi in mixed gas is cooled to
Liquid, 202 first fuel pumps are back to by the fluid oil passage of oil separation, then fuel tank 1 is returned to by check valve 201.
Mixed gas is passed through electronic heater 7 by the gas passage of oil eliminator 6 and preheated, and the gas of preheating flows into
Fuel oil cracker 8 carries out catalytic cracking reaction, and hydrogen, carbon dioxide and nitrogen are produced after reaction.
Mixed gas is cooled by First Heat Exchanger 9, and the mixed gas after cooling is passed through the anode of hydrogen-oxygen fuel cell 10
In gas entrance passage, and the cathode gas inlet passage of hydrogen-oxygen fuel cell 10 air mixing, reaction obtain carbon dioxide,
Vapor and nitrogen, and it is passed through the second heat exchanger 12.The electric energy output end mouth load electrical equipment 11 of hydrogen-oxygen fuel cell 10.
Second triple valve 205 is by the second air filtration drier 203, air compressor 204 and atmosphere, and the two or three
The cathode gas inlet passage to hydrogen-oxygen fuel cell 10 and the second heat exchanger 12 blast air to port valve 205 respectively.
Mixed gas cools down in the second heat exchanger 12, and water vapor condensation is aqueous water, is separated by separator 13, stream
Enter First Heat Exchanger 10, then water filter 9 is entered by First Heat Exchanger 10, finally flow into storage tank 103.
By the carbon dioxide and nitrogen of separator 13, spark arrester 301 is passed through, finally returns that the inert gas of fuel tank 1
Entrance.
The present embodiment additionally provides fuel tank inerting method, including：
S1, mixed gas are mixed from the tonifying Qi that fuel tank 1 exits into the first triple valve 2 with atmospheric ambient air flows into；
S2, the first triple valve 2 output mixed gas are passed through oil eliminator 6 and carry out Oil-gas Separation；
The mixed gas that S3, oil eliminator 6 export is passed through fuel oil cracker 8 and carries out cracking reaction, obtains hydrogen, titanium dioxide
Carbon and unreacted nitrogen,
Hydrogen, carbon dioxide and unreacted nitrogen obtained by S4, S3 enter the anode of hydrogen-oxygen fuel cell 10, with hydrogen-oxygen fuel electricity
Air in the negative electrode of pond 10 is reacted, and obtains vapor, carbon dioxide and nitrogen；
Water vapor condensation obtained by S5, S4 forms aqueous water in separator 13, and it is lazy that carbon dioxide and nitrogen are passed through fuel tank 1
Change.
Embodiment two
Fuel tank inerting unit, as shown in Fig. 2 including：Fuel tank 1, the first triple valve 2, first is air-dried filter 3, blower fan 4,
3rd heat exchanger 14, oil eliminator 6, the 4th heat exchanger 15, fuel oil cracker 8, First Heat Exchanger 9, hydrogen-oxygen fuel cell
10, electrical equipment 11, the second heat exchanger 12, separator 13, water pump 101, water filter 102, storage tank 103, check valve
201, the first fuel pump 202, the second air filtration drier 203, air compressor 204, the second triple valve 205, spark arrester
301。
The mixed gas outlet of fuel tank 1 connects the first triple valve 2, and the first triple valve 2 also connects with atmospheric environment, and input is mixed
Close gas and be air-dried filter 3 to first, remove the steam in mixed gas.
Mixed gas after water removal blasts the 3rd heat exchanger 14 by blower fan 4, and the cold side gas passage of the 3rd heat exchanger 14 enters
Mouth is ram-air, and outlet connects with atmospheric environment, is cooled down in mixed gas in the 3rd heat exchanger 14, fuel oil vital qi is cooled
For liquid, 202 first fuel pumps are back to by the fluid oil passage of oil separation, then fuel tank 1 is returned to by check valve 201.
Mixed gas is passed through the 4th heat exchanger 15, the cold side gas of the 4th heat exchanger 15 by the gas passage of oil eliminator 6
Passage is installed between oil eliminator 6 and fuel oil cracker 8, the hot side gas channel inlet and second of the 4th heat exchanger 15
The cold side gas path exit port of heat exchanger 12 connects, and the hot side gas path exit port of the 4th heat exchanger 15 connects with atmospheric environment.Mixing
Gas is preheated in the 4th heat exchanger 15, and the gas of preheating flows into fuel oil cracker 8 and carries out catalytic cracking reaction, instead
Should after produce hydrogen, carbon dioxide and nitrogen.
Mixed gas is cooled by First Heat Exchanger 9, and the mixed gas after cooling is passed through the anode of hydrogen-oxygen fuel cell 10
In gas entrance passage, and the cathode gas inlet passage of hydrogen-oxygen fuel cell 10 air mixing, reaction obtain carbon dioxide,
Vapor and nitrogen, and it is passed through the second heat exchanger 12.The electric energy output end mouth load electrical equipment 11 of hydrogen-oxygen fuel cell 10.
Second triple valve 205 is by the second air filtration drier 203, air compressor 204 and atmosphere, and the two or three
The cathode gas inlet passage to hydrogen-oxygen fuel cell 10 and the second heat exchanger 12 blast air to port valve 205 respectively.
Mixed gas cools down in the second heat exchanger 12, and water vapor condensation is aqueous water, is separated by separator 13, stream
Enter First Heat Exchanger 10, then water filter 9 is entered by First Heat Exchanger 10, finally flow into storage tank 103.
By the carbon dioxide and nitrogen of separator 13, spark arrester 301 is passed through, finally returns that the inert gas of fuel tank 1
Entrance.
The present embodiment additionally provides fuel tank inerting method, including：
S1, mixed gas are mixed from the tonifying Qi that fuel tank 1 exits into the first triple valve 2 with atmospheric ambient air flows into；
S2, the first triple valve 2 output mixed gas are passed through oil eliminator 6 and carry out Oil-gas Separation；
The mixed gas that S3, oil eliminator 6 export is passed through fuel oil cracker 8 and carries out cracking reaction, obtains hydrogen, titanium dioxide
Carbon and unreacted nitrogen,
Hydrogen, carbon dioxide and unreacted nitrogen obtained by S4, S3 enter the anode of hydrogen-oxygen fuel cell 10, with hydrogen-oxygen fuel electricity
Air in the negative electrode of pond 10 is reacted, and obtains vapor, carbon dioxide and nitrogen；
Water vapor condensation obtained by S5, S4 forms aqueous water in separator 13, and it is lazy that carbon dioxide and nitrogen are passed through fuel tank 1
Change.
Embodiment three
Fuel tank inerting unit, as shown in figure 3, including：Fuel tank 1, the first triple valve 2, first is air-dried filter 3, blower fan 4,
3rd heat exchanger 14, oil eliminator 6, the 4th heat exchanger 15, fuel oil cracker 8, First Heat Exchanger 9, hydrogen-oxygen fuel cell
10, electrical equipment 11, the second heat exchanger 12, separator 13, water pump 101, water filter 102, storage tank 103, check valve
201, the first fuel pump 202, the second air filtration drier 203, air compressor 204, the second triple valve 205, spark arrester
301, fuel oil injector 302, the second fuel pump 303.
The mixed gas outlet of fuel tank 1 connects the first triple valve 2, and the first triple valve 2 also connects with atmospheric environment, and input is mixed
Close gas and be air-dried filter 3 to first, remove the steam in mixed gas.
Mixed gas after water removal blasts the 3rd heat exchanger 14 by blower fan 4, and the cold side gas passage of the 3rd heat exchanger 14 enters
Mouth is ram-air, and outlet connects with atmospheric environment, is cooled down in mixed gas in the 3rd heat exchanger 14, fuel oil vital qi is cooled
For liquid, 202 first fuel pumps are back to by the fluid oil passage of oil separation, then fuel tank 1 is returned to by check valve 201.
Mixed gas is passed through the 4th heat exchanger 15, the cold side gas of the 4th heat exchanger 15 by the gas passage of oil eliminator 6
Passage is installed between oil eliminator 6 and fuel oil cracker 8, the hot side gas channel inlet and second of the 4th heat exchanger 15
The cold side gas path exit port of heat exchanger 12 connects, and the hot side gas path exit port of the 4th heat exchanger 15 connects with atmospheric environment.Mixing
Gas is preheated in the 4th heat exchanger 15, and the gas of preheating flows into fuel oil cracker 8 and carries out catalytic cracking reaction, instead
Should after produce hydrogen, carbon dioxide and nitrogen.
Mixed gas is cooled by First Heat Exchanger 9, and the mixed gas after cooling is passed through the anode of hydrogen-oxygen fuel cell 10
In gas entrance passage, and the cathode gas inlet passage of hydrogen-oxygen fuel cell 10 air mixing, reaction obtain carbon dioxide,
Vapor and nitrogen, and it is passed through the second heat exchanger 12.The electric energy output end mouth load electrical equipment 11 of hydrogen-oxygen fuel cell 10.
Second triple valve 205 is by the second air filtration drier 203, air compressor 204 and atmosphere, and the two or three
The cathode gas inlet passage to hydrogen-oxygen fuel cell 10 and the second heat exchanger 12 blast air to port valve 205 respectively.
Mixed gas cools down in the second heat exchanger 12, and water vapor condensation is aqueous water, is separated by separator 13, stream
Enter First Heat Exchanger 10, then water filter 9 is entered by First Heat Exchanger 10, finally flow into storage tank 103.
By the carbon dioxide and nitrogen of separator 13, spark arrester 301 is passed through.Gas is passed through combustion by spark arrester 301
Oily injector 302, the outlet of fuel oil injector 302 connect with the bottom of fuel tank 1, the second entrance of fuel oil injector 302 and the second fuel oil
The outlet of pump 303 connection, the fuel filler of the second fuel pump 303 connect with the bottom of fuel tank 1, the inert gas in fuel oil injector 302
It is sufficiently mixed with fuel oil, and enters fuel tank 1, constantly fuel oil is washed, oxygen content in fuel oil can be reduced, and then can subtract
Few fuel tank gas-phase space oxygen content, reach the purpose of inerting
The present embodiment additionally provides fuel tank inerting method, including：
S1, mixed gas are mixed from the tonifying Qi that fuel tank 1 exits into the first triple valve 2 with atmospheric ambient air flows into；
S2, the first triple valve 2 output mixed gas are passed through oil eliminator 6 and carry out Oil-gas Separation；
The mixed gas that S3, oil eliminator 6 export is passed through fuel oil cracker 8 and carries out cracking reaction, obtains hydrogen, titanium dioxide
Carbon and unreacted nitrogen,
Hydrogen, carbon dioxide and unreacted nitrogen obtained by S4, S3 enter the anode of hydrogen-oxygen fuel cell 10, with hydrogen-oxygen fuel electricity
Air in the negative electrode of pond 10 is reacted, and obtains vapor, carbon dioxide and nitrogen；
Water vapor condensation obtained by S5, S4 forms aqueous water in separator 13, and it is lazy that carbon dioxide and nitrogen are passed through fuel tank 1
Change.
What the present invention had has the beneficial effect that：The present invention is by fuel catalytic cracking reaction by fuel tanker gas-phase space fuel oil
It is steamed cracking to be decomposed into hydrogen and carbon dioxide, and electric energy and water are produced in hydrogen-oxygen fuel cell with oxygen using hydrogen, simultaneously
Carbon dioxide enters fuel tank gas-phase space with having neither part nor lot in the nitrogen formation inert gas of reaction, and fuel tank gas-phase space oxygen is reduced with this
Depth, fuel tank blast on fire is prevented, reach the purpose of protection fuel tank safety；The system can realize power supply, water supply and fuel tank inerting
Triple functions；And whole system forms closed loop, avoids fuel vapor from being discharged directly into atmosphere pollution environment；In system not
Engine bleed is needed, improves engine performance and energy utilization rate；To sum up, the present invention has simple in construction, using energy source
Rate is high, it is environment-friendly the features such as.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (12)
1. fuel tank inerting unit, it is characterised in that including：Fuel tank（1）, the first triple valve（2）, oil eliminator（6）, hydrogen-oxygen fuel
Battery（10）, separator（13）, the second triple valve（205）, fuel tank（1）Upper setting inert gas entrance, mixed gas outlet
And fuel filler, the mixed gas outlet are passed through the first triple valve（2）, the first triple valve（2）Also connect atmospheric environment, first
Triple valve（2）Connect oil eliminator（6）, oil eliminator（6）Divide the connection fuel filler and fuel oil cracker（8）, combustion
Oily cracker（8）And hydrogen-oxygen fuel cell（10）Anodic gas access road connection, the second triple valve（205）Connect hydrogen
Oxygen fuel cell（10）Cathode gas inlet passage, the second triple valve（205）Connect atmospheric environment, hydrogen-oxygen fuel cell（10）
Mixed gas outlet passage connection separator（13）Gas passage, the gas passage connects the inert gas and enters
Mouthful.
2. fuel tank inerting unit according to claim 1, it is characterised in that the first triple valve（2）And oil eliminator（6）It
Between be sequentially connected first and be air-dried filter（3）, blower fan（4）And electronic cooler（5）.
3. fuel tank inerting unit according to claim 1, it is characterised in that oil eliminator（6）With the fuel filler it
Between be sequentially connected the first fuel pump（202）And check valve（201）.
4. fuel tank inerting unit according to claim 1, it is characterised in that oil eliminator（6）And hydrogen-oxygen fuel cell
（10）Between be sequentially connected electronic heater（7）, fuel oil cracker（8）, First Heat Exchanger（9）.
5. fuel tank inerting unit according to claim 4, it is characterised in that First Heat Exchanger（9）Provided with cold side aquaporin
With hot side gas passage, the hot side gas passage connects hydrogen-oxygen fuel cell（10）, the cold side aquaporin passes through water pump
（101）And separator（13）Aqueous water split tunnel connection.
6. fuel tank inerting unit according to claim 1, it is characterised in that hydrogen-oxygen fuel cell（10）And separator
（13）Between be mounted with the second heat exchanger（12）, the second triple valve（205）Connect and blast air to the second heat exchanger（12）, the
Two heat exchangers（12）Connect air.
7. fuel tank inerting unit according to claim 1, it is characterised in that the second triple valve（205）Connect atmospheric environment
Front end set gradually Filter dryer（203）And air compressor（204）.
8. fuel tank inerting unit according to claim 1, it is characterised in that separator（13）And fuel tank（1）Between set
Put spark arrester（301）.
9. fuel tank inerting unit according to claim 1, it is characterised in that the first triple valve（2）And oil eliminator（6）It
Between be sequentially connected first and be air-dried filter（3）, blower fan（4）With the 3rd heat exchanger（14）, the 3rd heat exchanger（14）Hot side
Gas passage is installed on blower fan（4）And oil eliminator（6）Gas passage between, the 3rd heat exchanger（14）Cold side gas passage enters
Mouth exports for ram-air, is connected with atmospheric environment；
Oil eliminator（6）And First Heat Exchanger（9）Between set the 4th heat exchanger（15）, the 4th heat exchanger（15）Cold side gas leads to
Road is installed on oil eliminator（6）With fuel oil cracker（8）Between, the 4th heat exchanger（15）Hot side gas channel inlet and
Two heat exchangers（12）Cold side gas path exit port connects, the 4th heat exchanger（15）Hot side gas path exit port connects with atmospheric environment
It is logical.
10. fuel tank inerting unit according to claim 1, it is characterised in that fuel oil injector（302）Outlet and fuel tank
（1）Bottom connects, fuel oil injector（302）First entrance and spark arrester（301）Outlet connection, fuel oil emitter（302）
Two entrances and the second fuel pump（303）Outlet connection, the second fuel pump（303）Fuel filler and fuel tank（1）Bottom connects.
11. fuel tank inerting unit according to claim 1, it is characterised in that fuel oil cracker（8）In catalyst
For amorphous silicic aluminium and the mixture of crystalline aluminosilicate.
12. fuel tank inerting unit method, it is characterised in that：Step is as follows
S1, mixed gas are from fuel tank（1）Exit into the first triple valve（2）The tonifying Qi flowed into atmospheric ambient air is mixed
Close；
S2, the first triple valve（2）Output mixed gas is passed through oil eliminator（6）Carry out Oil-gas Separation；
S3, oil eliminator（6）The mixed gas of output is passed through fuel oil cracker（8）Cracking reaction is carried out, obtains hydrogen, two
Carbonoxide and unreacted nitrogen,
Hydrogen, carbon dioxide and unreacted nitrogen obtained by S4, S3 enter hydrogen-oxygen fuel cell（10）Anode, with hydrogen-oxygen fuel
Battery（10）Air in negative electrode is reacted, and obtains vapor, carbon dioxide and nitrogen；
Water vapor condensation obtained by S5, S4 is in separator（13）Middle formation aqueous water, carbon dioxide and nitrogen pass through fuel tank（1）
Inerting.
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| CN201711154585.2A CN107867404A (en) | 2017-11-20 | 2017-11-20 | The apparatus and method of fuel tank inerting |
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| CN108639361A (en) * | 2018-06-25 | 2018-10-12 | 南京航空航天大学 | A kind of fuel-tank inert gas device of joint plasma and photocatalysis technology |
| CN109018387A (en) * | 2018-09-03 | 2018-12-18 | 南京航空航天大学 | A kind of fuel tanker inerting unit and its method using high pressure water separation regenerative air cycle cooling system |
| CN109441637A (en) * | 2018-09-03 | 2019-03-08 | 北京航空航天大学 | A kind of aircraft using nitrogen supercharging fuel tank is had more than needed electric integrated system and method |
| CN110053780A (en) * | 2019-04-30 | 2019-07-26 | 南京航空航天大学 | It is a kind of to flow to transform oxygen consumption type inerting system |
| CN111071465A (en) * | 2020-01-06 | 2020-04-28 | 南京航空航天大学 | Low-temperature refrigeration nitrogen-making oil tank inerting system and working method thereof |
| CN111140366A (en) * | 2018-11-02 | 2020-05-12 | 通用电气公司 | Fuel delivery system with fuel deoxygenation unit |
| CN111994289A (en) * | 2020-09-02 | 2020-11-27 | 重庆交通大学 | Aircraft fuel tank inerting system and inerting method |
| US11945600B2 (en) | 2018-11-02 | 2024-04-02 | General Electric Company | Fuel delivery system having a fuel oxygen reduction unit |
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| CN109441637A (en) * | 2018-09-03 | 2019-03-08 | 北京航空航天大学 | A kind of aircraft using nitrogen supercharging fuel tank is had more than needed electric integrated system and method |
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| CN111994289A (en) * | 2020-09-02 | 2020-11-27 | 重庆交通大学 | Aircraft fuel tank inerting system and inerting method |
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