CN208393637U - A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane - Google Patents
A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane Download PDFInfo
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- CN208393637U CN208393637U CN201820870303.2U CN201820870303U CN208393637U CN 208393637 U CN208393637 U CN 208393637U CN 201820870303 U CN201820870303 U CN 201820870303U CN 208393637 U CN208393637 U CN 208393637U
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- oxygen
- ion transport
- transport membrane
- gas
- temperature sensor
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Abstract
The oxygen consumption type fuel-tank inert gas system with ion transport membrane that the utility model discloses a kind of, fuel tank upper gaseous phase space fuel vapor and air mixture are mixed with tonifying Qi, then flameless catalytic combustion is carried out in catalyst oxidation reactor, consumes oxygen and generates carbon dioxide.Gas proceeds immediately to Ion transfer film separation system after the reaction that oxygen is not totally consumed, oxygen is separated for passenger's breathing or other purposes, remaining nitrogen-rich gas flows into fuel tank and carries out inerting, achievees the purpose that fuel tank is fire-proof and explosion-proof, and system does not discharge fuel vapor outwardly.The utility model has many advantages, such as that gas separative efficiency is high, the inerting time is short, non-environmental-pollution.
Description
Technical field
The utility model belongs to air line technical field, is related to a kind of aircraft fuel-tank inert gas system, in particular to
A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane.
Background technique
The safety problem of modern aircraft is all the time by social extensive concern, and fuel system burning, explosion are to draw
One of the main reason for playing aviation accident.There is data to suggest that in Vietnam War, United States Air Force by ground fire attack and
Thousands of airplanes are lost, wherein since fuel tanker explosion on fire causes the ratio of fatal crass to be as high as 50%.Cabin is ground safely
Technology group (cabin safety research technical group, GSRTG) is studied carefully to 1966 to 2009 whole world
3726 civil aircraft accident statistics are the results show that share 370 accidents related with fuel tank combustion explosion.It can be seen that, it is necessary to it uses
Effective measures prevent the aircraft fuel tank from firing.
Aircraft fuel tank upper space is full of flammable gas mixture, and inflammable, explosive feature seriously threatens aircraft
Safety, it is necessary to adopt an effective measure to reduce the probability of its combustion, outburst life, and reduce its extent of injury.System is protected in fuel tank
In, fuel tank explosion on fire can be prevented by reducing fuel tank upper gaseous phase space oxygen concentration, guarantee passenger and aircraft safety.Reduce fuel oil
Case oxygen concentration can be used the gases such as inert gas such as nitrogen and carbon dioxide and carry out fuel tank inerting, and being reduced to its oxygen content can
Fire the limit or less.
Common aircraft fuel tank oxygen concentration control technology mainly have liquid nitrogen inerting technology, 1301 inerting technology of Halon,
Sieve technology, membrane separation technique etc..Wherein hollow-fibre membrane produces the airborne nitrogen inerting technology (On-Board processed of nitrogen-rich gas
Inert Gas Generator System, OBIGGS) it is that most economical, practical fuel tanker fires suppression technology.But
OBIGGS technology is there are still many problems, as seperation film low efficiency leads to that aircraft panelty is big, seperation film entrance demand pressure
Height leads to not to be available (such as helicopter) on many types, tiny film wire and infiltration aperture gradually block and gas source in ozone
Cause causes fuel-steam to leak when serious film properties decaying, nitrogen-rich gas filling fuel tank pollutes environment etc..
In recent years, some companies and research institution also are carrying out consuming fuel tank gas phase using catalytic combustion method both at home and abroad
Method of the oxygen and combustible vapor in space to reduce the flammable risk of fuel tank, referred to as " green inerting technology " (Green On-
Board Inert Gas Generation System, GOBIGGS).This novel inerting technology has several considerable advantages:
Substantially without preheating, starting speed is fast, and oxygen is consumed in the reactor in addition, and inerting is high-efficient, the time is short；It does not discharge
Fuel-steam, it is environmentally protective.But there are still reactions for the technology not exclusively, the shortcomings such as generation inerting gas nitrogen gas concn is low.
Ion transport membrane is added in oxygen consumption type inerting system by the utility model.Ion transport membrane (ITM) is solid inorganic oxide
Ceramic material, oxygen molecule are oxonium ion in oxonium ion transport membrane surface conversion, and oxonium ion is made in the voltage or oxygen partial pressure difference of application
Film is passed through with lower, is then reintegrated as oxygen molecule, generates intimate pure oxygen in the permeable face of film, and nitrogen is blocked on the one of film
Side, can be collected for inerting, and system separative efficiency is high.But system need to operate at high temperature, generally at 500 DEG C or more, membrane material
Plate or tubulose can be made in material.The system has many advantages, such as that gas separative efficiency is high, the inerting time is short, non-environmental-pollution.
Utility model content
The utility model is for hollow fiber membrane nitrogen low efficiency existing in the prior art, expensive, pollution environment
The disadvantages of, provide a kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane.I.e. by fuel tank upper gaseous phase space fuel oil
Steam and air mixture carry out flameless catalytic combustion in catalyst oxidation reactor, consume oxygen and generate carbon dioxide；Oxygen
Gas proceeds immediately to Ion transfer film separation system after the reaction that gas is not totally consumed, and oxygen is separated, and is left
Nitrogen-rich gas flow into fuel tank carry out inerting, achieve the purpose that fuel tank is fire-proof and explosion-proof.
The utility model uses following technical scheme to solve above-mentioned technical problem:
A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane includes fuel tank, the first fire arrester, filter, the
One compressor, venturi voltage-stablizer, regenerator, the first temperature sensor, flow sensor, the first electric heater, catalysis reaction
Device, second temperature sensor, the second electric heater, the first ion transport membrane system, the second ion transport membrane system, third ion
Migrate membranous system, the first cooler, third temperature sensor, the first electric control valve, the second fire arrester, oxygen concentration sensor,
Second cooler, the 4th temperature sensor, the second compressor, oxygen cylinder, automatic controller and the second electric control valve；
The fuel tank includes gas vent and gas access；The regenerator includes cold side channel, oxygen channel and rich nitrogen
Gas passage, for heating the heat of gas in oxygen channel, nitrogen-rich gas channel to the gas in cold side channel；Institute
Stating the first ion transport membrane system, the second ion transport membrane system, third ion transport membrane system includes entrance, oxygen outlet
It is exported with nitrogen-rich gas, is used to isolate the oxygen in mixed gas by ion transport membrane；The automatic controller includes
Current input terminal and current output terminal；
The gas vent of the fuel tank is connect by pipeline with the entrance of the first fire arrester；
First fire arrester exports the inlet duct phase with the outlet of second electric control valve, filter respectively
Even；
The entrance of second electric control valve connects ram-air incoming flow；
The outlet of the filter, the first compressor, venturi voltage-stablizer, the cold side channel of regenerator, the first temperature pass
Sensor, flow sensor, the first electric heater, catalytic reactor, second temperature sensor, the second electric heater entrance successively
Pipeline is connected；
Second electric heater outlet respectively with the entrance of the first ion transport membrane system, the second Ion transfer membrane system
The entrance of system, the inlet duct of third ion transport membrane system are connected；
The entrance of the regenerator oxygen channel respectively with the first ion transport membrane system oxygen outlet, the second ion
It is connected to migrate membranous system oxygen outlet, third ion transport membrane system oxygen outlet pipeline, regenerator nitrogen-rich gas channel enters
Mouth respectively with the first ion transport membrane system nitrogen-rich gas outlet, the outlet of the second ion transport membrane system nitrogen-rich gas, the
Three ion transport membrane system nitrogen-rich gas outlet conduits are connected；
The outlet of the regenerator oxygen channel, the hot-side channel of the second cooler, the 4th temperature sensor, the second compression
Successively pipeline is connected for machine, oxygen cylinder；
The outlet in regenerator nitrogen-rich gas channel, the hot-side channel of the first cooler, third temperature sensor, first
Electric control valve, the second fire arrester, fuel tank entrance successively pipeline be connected；
The probe of the oxygen concentration sensor protrudes into the fuel tank, and the oxygen for incuding the mailbox overhead gas is dense
Degree；
First cooler, the second cooler cold side channel are discharged after connecing ram-air；
The current input terminal of the automatic controller respectively with first temperature sensor, flow sensor, second temperature
Degree sensor, third temperature sensor, oxygen concentration sensor, the 4th temperature sensor are electrically connected, current output terminal respectively and
First compressor, the first electric heater, the second electric heater, the first electric control valve, the second compressor, the second electric adjustable
Section valve is electrically connected.
The beneficial effects of the utility model are as follows:
The utility model ion transport membrane is applied in oxygen consumption type inerting system, i.e., steams fuel tank upper gaseous phase space fuel oil
Gas and air mixture carry out flameless catalytic combustion in catalyst oxidation reactor, consume oxygen and generate carbon dioxide；Then
By the gas after reaction by ion transport membrane system, is further separated, the higher nitrogen-rich gas of purity is obtained, for firing
Fuel tank inerting；In addition the high-purity oxygen obtained can be used for passenger's breathing or other purposes.Outwardly discharge fuel oil does not steam system
Gas has many advantages, such as that gas separative efficiency is high, the inerting time is short, non-environmental-pollution.
Detailed description of the invention
Fig. 1 is a kind of oxygen consumption type fuel-tank inert gas system schematic with ion transport membrane；
In figure, 1- fuel tank, the first fire arrester of 2-, 3- filter, the first compressor of 4-, 5- venturi voltage-stablizer, 6- backheat
Device, the first temperature sensor of 7-, 8- flow sensor, the first electric heater of 9-, 10- catalytic reactor, 11- second temperature sensing
Device, the second electric heater of 12-, the first ion transport membrane system of 13-, the second ion transport membrane system of 14-, 15- third ion move
Move membranous system, the first cooler of 16-, 17- third temperature sensor, the first electric control valve of 18-, the second fire arrester of 19-, 20-
Oxygen concentration sensor, the second cooler of 21-, the 4th temperature sensor of 22-, the second compressor of 23-, 24- oxygen cylinder, 25- are automatic
Controller, the second electric control valve of 26-.
Specific embodiment
The utility model is further described below with reference to embodiment.As described below is only that the utility model a part is real
Apply example, not all embodiments.Based on the utility model embodiment, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model discloses a kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane, includes
Fuel tank 1, the first fire arrester 2, filter 3, the first compressor 4, venturi voltage-stablizer 5, regenerator 6, the first temperature sensor 7,
Flow sensor 8, the first electric heater 9, catalytic reactor 10, second temperature sensor 11, the second electric heater 12, first from
Son migration membranous system 13, the second ion transport membrane system 14, third ion transport membrane system 15, the first cooler 16, third temperature
Spend sensor 17, the first electric control valve 18, the second fire arrester 19, oxygen concentration sensor 20, the second cooler 21, the 4th temperature
Sensor 22, the second compressor 23, oxygen cylinder 24, automatic controller 25 and the second electric control valve 26.
The fuel tank 1 includes gas vent and gas access；The regenerator 6 includes cold side channel, oxygen channel and richness
Nitrogen channel, for heating the heat of gas in oxygen channel, nitrogen-rich gas channel to the gas in cold side channel；
First ion transport membrane system 13, the second ion transport membrane system 14, third ion transport membrane system 15 comprising entrance,
Oxygen outlet and nitrogen-rich gas outlet, are used to isolate the oxygen in mixed gas by ion transport membrane；The automatic control
Device 25 processed includes current input terminal and current output terminal.
The gas vent of the fuel tank 1 is connect by pipeline with the entrance of the first fire arrester 2；
First fire arrester 2 exports the inlet tube with the outlet of second electric control valve 26, filter 3 respectively
Road is connected；
The entrance of second electric control valve 26 connects ram-air incoming flow；
The outlet of the filter 3, the first compressor 4, venturi voltage-stablizer 5, the cold side channel of regenerator 6, the first temperature
Spend sensor 7, flow sensor 8, the first electric heater 9, catalytic reactor 10, second temperature sensor 11, the second electric heating
Successively pipeline is connected the entrance of device 12；
Second electric heater 12 outlet respectively with the entrance of the first ion transport membrane system 13, the second Ion transfer
The entrance of membranous system 14, the inlet duct of third ion transport membrane system 15 are connected；
The entrance of 6 oxygen channel of regenerator respectively with 13 oxygen outlet of the first ion transport membrane system, second
14 oxygen outlet of ion transport membrane system, 15 oxygen outlet pipeline of third ion transport membrane system are connected, 6 nitrogen-rich gas of regenerator
The entrance in channel is exported with 13 nitrogen-rich gas of the first ion transport membrane system respectively, the rich nitrogen of the second ion transport membrane system 14
Gas vent, 15 nitrogen-rich gas outlet conduit of third ion transport membrane system are connected；
The outlet of 6 oxygen channel of regenerator, the hot-side channel of the second cooler 21, the 4th temperature sensor 22,
Successively pipeline is connected for two compressors 23, oxygen cylinder 24；
The outlet in the 6 nitrogen-rich gas channel of regenerator, the first cooler 16 hot-side channel, third temperature sensor
17, the first electric control valve 18, the second fire arrester 19, fuel tank 1 entrance successively pipeline be connected.
The probe of the oxygen concentration sensor 20 protrudes into the fuel tank 1, for incuding the oxygen of 1 overhead gas of mailbox
Concentration.
First cooler 16,21 cold side channel of the second cooler are discharged after connecing ram-air.
The current input terminal of the automatic controller 25 respectively with first temperature sensor 7, flow sensor 8,
Two temperature sensors 11, third temperature sensor 17, oxygen concentration sensor 20, the 4th temperature sensor 22 are electrically connected, electric current
Output end respectively with first compressor 4, the first electric heater 9, the second electric heater 12, the first electric control valve 18,
Two compressors 23, the second electric control valve 26 are electrically connected.
A kind of oxygen consumption type fuel-tank inert gas system work process with ion transport membrane of the utility model is as follows:
1) catalytic oxidation process
Swabbing action of the mixed gas of 1 upper gaseous phase space fuel vapor of fuel tank and air in first compressor 4
Under, by being mixed after the first fire arrester 2 with the ram-air as tonifying Qi, to guarantee to have sufficient oxygen and fuel vapor anti-
It answers；Mixed gas filters out impurity in filter 3, is then boosted in the first compressor 4, by venturi voltage-stablizer 5
Voltage stabilization and current stabilization；It is tentatively heated in 6 cold side channel of regenerator；After flowing successively through the first temperature sensor 7, flow sensor 8,
It is heated in the first electric heater 9 after reaction temperature and carries out catalysis reaction, fuel vapor reaction into catalytic reactor 10
While consume partial oxidation；Gas main component is oxygen, nitrogen, carbon dioxide after reaction.
2) gas separation process
After mixed gas after reaction flows through second temperature sensor 11, separation temperature is warming up in the second electric heater 12
Degree；High-temperature mixed gas enters gas separation system and is separated；The gas separation system is by multiple groups ion transport membrane system
It composes in parallel, to improve separative efficiency；High-temperature mixed gas enters the first ion transport membrane system 13, the second Ion transfer membrane system
When 14, third ion transport membrane system 15 of system, oxygen passes through ion transport membrane and is separated, and the high-concentration oxygen after collecting enters institute
It states 6 oxygen channel of regenerator to preheat gas before reacting, tentatively cooling high-concentration oxygen quilt in the second cooler 21
Ram-air further cools down, and is then compressed in the second compressor 23, is then store in oxygen cylinder 24, exhales for occupant
Inhale or do other use.It does not mainly include nitrogen and carbon dioxide by the mixed gas of ion transport membrane, after nitrogen-rich gas collects
Gas before reacting is preheated into the 6 nitrogen-rich gas channel of regenerator.
3) inerting process
The nitrogen-rich gas of the 6 nitrogen-rich gas channel outlet of regenerator enters the first cooler 16 and is further cooled, according to
It is secondary flow through third temperature sensor 17, the first electric control valve 18, the second fire arrester 19 after, flow into the fuel tank 1 and be rinsed
Inerting.
4) data collection and control process
The oxygen concentration sensor 20 detects the 1 upper gaseous phase space oxygen concentration of fuel tank by feeler lever and transmits signal
To the automatic controller 25；When oxygen concentration is greater than given value, described in the output of the automatic controller 25 control signal communication
First compressor 4, the first electric heater 9, the second electric heater 12, the first electric control valve 18, second the 23, second electricity of compressor
Dynamic regulating valve 26, system starts；
First temperature sensor 7, flow sensor 8, second temperature sensor 11, third temperature sensor 17,
Four temperature sensors 22 measure parameter value everywhere and transfer signals to the automatic controller 25；
The reaction gas temperature that is measured according to first temperature sensor 7, flow sensor 8, flow adjust first
The compression horsepower of the heating power of electric heater 9 and first compressor 4；It is measured according to the second temperature sensor 11
Temperature value adjust the heating power of the second electric heater 12；According to the temperature value that the third temperature sensor 17 measures come
The flow of the cooling ram-air is adjusted, and when temperature is greater than given value, closes an electric control valve 18, to protect
Demonstrate,prove fuel tank safety；The stream of the cooling ram-air is adjusted according to the temperature value that the 4th temperature sensor 22 measures
Amount.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or meaning too formal come
It explains.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done,
It should be included within the scope of protection of this utility model.
Claims (1)
1. a kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane, which is characterized in that include fuel tank (1), the first back-fire relief
Device (2), filter (3), the first compressor (4), venturi voltage-stablizer (5), regenerator (6), the first temperature sensor (7), stream
Quantity sensor (8), the first electric heater (9), catalytic reactor (10), second temperature sensor (11), the second electric heater
(12), the first ion transport membrane system (13), the second ion transport membrane system (14), third ion transport membrane system (15),
One cooler (16), third temperature sensor (17), the first electric control valve (18), the second fire arrester (19), oxygen concentration sensing
Device (20), the second cooler (21), the 4th temperature sensor (22), the second compressor (23), oxygen cylinder (24), automatic controller
(25) and the second electric control valve (26)；
The fuel tank (1) includes gas vent and gas access；The regenerator (6) includes cold side channel, oxygen channel and richness
Nitrogen channel, for heating the heat of gas in oxygen channel, nitrogen-rich gas channel to the gas in cold side channel；
First ion transport membrane system (13), the second ion transport membrane system (14), third ion transport membrane system (15) wrap
It is exported containing entrance, oxygen outlet and nitrogen-rich gas, is used to isolate the oxygen in mixed gas by ion transport membrane；It is described
Automatic controller (25) includes current input terminal and current output terminal；
The gas vent of the fuel tank (1) is connect by pipeline with the entrance of the first fire arrester (2)；
The outlet of first fire arrester (2) entrance with the outlet of second electric control valve (26), filter (3) respectively
Pipeline is connected；
The entrance of second electric control valve (26) connects ram-air incoming flow；
The outlet of the filter (3), the first compressor (4), venturi voltage-stablizer (5), the cold side channel of regenerator (6),
One temperature sensor (7), flow sensor (8), the first electric heater (9), catalytic reactor (10), second temperature sensor
(11), successively pipeline is connected the entrance of the second electric heater (12)；
The outlet of second electric heater (12) respectively with the entrance of the first ion transport membrane system (13), the second Ion transfer
The entrance of membranous system (14), the inlet duct of third ion transport membrane system (15) are connected；
The entrance of regenerator (6) oxygen channel respectively with the first ion transport membrane system (13) oxygen outlet, second
Ion transport membrane system (14) oxygen outlet, third ion transport membrane system (15) oxygen outlet pipeline are connected, and regenerator (6) is rich
The entrance in nitrogen channel respectively with the first ion transport membrane system (13) nitrogen-rich gas outlet, the second Ion transfer membrane system
(14) nitrogen-rich gas of uniting exports, third ion transport membrane system (15) nitrogen-rich gas outlet conduit is connected；
The outlet of regenerator (6) oxygen channel, the hot-side channel of the second cooler (21), the 4th temperature sensor (22),
Successively pipeline is connected for second compressor (23), oxygen cylinder (24)；
The outlet in regenerator (6) the nitrogen-rich gas channel, the first cooler (16) hot-side channel, third temperature sensor
(17), the first electric control valve (18), the second fire arrester (19), fuel tank (1) entrance successively pipeline be connected；
The probe of the oxygen concentration sensor (20) protrudes into the fuel tank (1), for incuding the fuel tank (1) overhead gas
Oxygen concentration；
First cooler (16), the second cooler (21) cold side channel are discharged after connecing ram-air；
The current input terminal of the automatic controller (25) respectively with first temperature sensor (7), flow sensor (8),
Second temperature sensor (11), third temperature sensor (17), oxygen concentration sensor (20), the 4th temperature sensor (22) are electrical
Be connected, current output terminal respectively with first compressor (4), the first electric heater (9), the second electric heater (12), first
Electric control valve (18), the second compressor (23), the second electric control valve (26) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870303.2U CN208393637U (en) | 2018-06-06 | 2018-06-06 | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820870303.2U CN208393637U (en) | 2018-06-06 | 2018-06-06 | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208393637U true CN208393637U (en) | 2019-01-18 |
Family
ID=65135441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820870303.2U Withdrawn - After Issue CN208393637U (en) | 2018-06-06 | 2018-06-06 | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane |
Country Status (1)
| Country | Link |
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| CN (1) | CN208393637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639359A (en) * | 2018-06-06 | 2018-10-12 | 南京航空航天大学 | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane |
-
2018
- 2018-06-06 CN CN201820870303.2U patent/CN208393637U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639359A (en) * | 2018-06-06 | 2018-10-12 | 南京航空航天大学 | A kind of oxygen consumption type fuel-tank inert gas system with ion transport membrane |
| CN108639359B (en) * | 2018-06-06 | 2023-09-26 | 南京航空航天大学 | Oxygen consumption type fuel tank inerting system with ion migration membrane |
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Granted publication date: 20190118 Effective date of abandoning: 20230926 |
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Granted publication date: 20190118 Effective date of abandoning: 20230926 |
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