CN106512715B - A kind of aircraft cabin is interior except ozone, the method and system of gas purification - Google Patents
A kind of aircraft cabin is interior except ozone, the method and system of gas purification Download PDFInfo
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- CN106512715B CN106512715B CN201510583452.1A CN201510583452A CN106512715B CN 106512715 B CN106512715 B CN 106512715B CN 201510583452 A CN201510583452 A CN 201510583452A CN 106512715 B CN106512715 B CN 106512715B
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses the method and system that ozone, purification gas are removed in a kind of aircraft cabin.The method is the fresh air introduced outside cabin, filter out the microorganism in fresh air and particulate matter, pass through catalyst, oxygen is converted by the ozone catalytic in fresh air, it is mixed after cooling with the circulated air in cabin, gaseous mixture is absorbed and filter, the ozone not removed completely in gaseous mixture, microorganism and solid particle are further reduced, the gaseous mixture discharge system after absorbing and filter enters cabin.The system includes catalytic eliminating ozone reactor, heat exchanger, adsorption cleaning device, blowback system is desorbed, or will be in said units integration of equipments a to reactor.The desorption blowback system further includes purging to gas purge system inside, to improve the service life of system, the system uses radial reactor structure, with high ozone removal efficiency, through the invention in the purification air of gas purge system discharge, ozone concentration can be controlled in 0.1mg/m3Below.
Description
Technical field
The present invention relates to ozone conversion, field of gas purification, in particular to ozone, gas purification are removed in a kind of aircraft cabin
Method and system.
Background technique
Ozone is the allotrope of oxygen, and molecule is containing there are three oxygen atom, molecular formula O3, it is colourless gas under room temperature
Body has one special careless fishy smell, there is extremely strong oxidizing force.The ozone on humans of upper atmosphere top layer is beneficial substance, it
It can effectively absorb harmful ultraviolet radiation, and near the ground, the ozone with strong oxidizing property is but to the mankind and its living environment
Generate harm, it can not only intense stimulus people respiratory tract, cause various respiratory systemic disease, while still photochemical fog
Important component.If the ozone concentration in environment reaches 0.06mg/m3When, people will appear that headache, throat be dry and astringent, respiratory mucosa
The situations such as impaired, seriously endanger human health.For this purpose, Occupational Safety and Health Administration (OSHA) provides, continuous exposure in 8 hours
In ozone environment, ozone concentration upper limit value is 0.1ppm.China's standard GB/T/T18202-2000 " ozone in room air
Sanitary standard " maximum concentration that allows in regulation indoor environment should be lower than 0.10mg/m3.Therefore, effectively eliminating for ozone has become
For an important environmental protection subject.Especially in confined space such as cabin, generally use introduce 50% fresh air and 50%
Return air controls pollutant concentration in cabin.And be introduced into the fresh air of certain flying height, contain certain density ozone.In order to
Ensure flight safety and personnel health, it is necessary to remove the ozone in fresh air.
At present ozone removing method have: thermal decomposition method, active carbon adsorption, electromagenetic wave radiation decomposition method, absorption process and
Catalytic decomposition.The disadvantages of that there are absorptive capacities is small for preceding four kinds of methods, energy consumption is high and generates secondary pollution.Chinese patent
CN104524969A discloses a kind of ozone tail gas hot wind decomposer, and due to the raising with temperature, ozone, which decomposes, to be accelerated, from
And realize that ozone removes, the apparatus structure is simple, convenient for control, but needs external heat source heat supply；Chinese patent
CN102284301A discloses the adulterated TiOx molecular sieve integral catalyst of a kind of room temperature or low temperature catalyst removal ozone, adopts
Oxygen by ozone stable is reduced under conditions of room temperature, often wet and high-speed with catalysis process；Chinese patent
CN104307340A discloses a kind of one-pipe ozone-removing device, sends out removing ozone using liquid absorption.This method is not suitable for
Aircraft cabin gas purification；Chinese patent CN201578935U discloses a kind of ozone-removing filtering net, and removing principle is based on object
Reason absorption, adsorption capacity are limited；Chinese patent CN200420093062.3 discloses a kind of indoor ozone-removing device, using particle
Catalyst filter core is actually also catalytic eliminating ozone, therefore, it may have higher ozone removal efficiency；It is mainly used in doctor
Treat apparatus field；Chinese patent 202606027U discloses a kind of cellular removing ozone catalyst, and catalyst has height
Surface area, but use ordered structure catalyst when reactor integrates, when especially compact reactor is integrated, there are one
Fixed limitation.United States Patent (USP) US4348360 discloses ozone catalytic converter in a kind of cabin, uses honeycomb aluminium for catalysis
Agent carrier can be reduced using cordierite as the weight of the catalyst of carrier；United States Patent (USP) US3269801 discloses a kind of by urging
The system for changing the removing ozone of removing and adsorption combined, not by the processes such as catalytic eliminating ozone, heat exchange and filtering coupling well
It closes.And ozone converter requires long service life, low weight, low resistance drop, high efficiency, high air stream in cabin
The performances such as speed, shock resistance.For this purpose, the object of the present invention is to provide it is a kind of it is compact-sized, efficiently meet cabin atmosphere quality
Ozone removing and gas purge system.
Summary of the invention
For the features such as removal efficiency is low, system complex is heavy existing for presently disclosed cabin removing ozonation system, originally
Invention propose a kind of rational technology, it is energy-efficient, in section space-efficient aircraft cabin except ozone, gas purification method and be
System.
The technical solution adopted by the present invention are as follows:
Except ozone, the method for gas purification in aircraft cabin of the present invention, include the following steps,
1) fresh air outside cabin is introduced, the particulate matter in fresh air is filtered out by wire gauzee filter, obtains fresh air A；
2) oxygen is converted by the ozone catalytic in fresh air A, obtains fresh air B, wherein smelly by ozone reforming catalyst again
Oxygen removal unit is designed to radial reactor structure, and ozone reforming catalyst is set in radial reactor, radial reactor packet
Central tube and ozone removing chamber are included, multiple central tube apertures are set on central tube tube wall；
3) fresh air B is cooled to required temperature, and is mixed with the circulated air in cabin, obtain gaseous mixture, it is described mixed
It closes gas and refers to the mixing of circulated air in fresh air and cabin, fresh air after deozonization and in the gaseous mixture of circulated air, shared by fresh air
Ratio is 0-100%, preferably 20-80%；
Wherein, required temperature of the present invention can be configured as the case may be, not limited temperature；
Between the convenient temperature of human body sensory in aircraft cabin is 18-26 DEG C, therefore, system of the present invention,
Fresh air is usually cooled to 18-26 DEG C, but this be not intended to limit can be theoretical by the range of the temperature of new air cooling by this system
On also can be realized wider temperature range, the cooling temperature of fresh air is mainly by coolant temperature in cooling medium chamber and new
Wind wind speed is determined, by controlling temperature the velocity of liquid assets of coolant temperature and fresh air in fresh air cooling chamber.
4) gaseous mixture is absorbed and filter by adsorbent, is further reduced the ozone not removed completely in gaseous mixture, together
When absorption and filtering microorganism and solid particle, the gaseous mixture discharge system after absorbing and filter enters cabin.
Further include the method for cleaning wire gauzee filter and reproducing adsorbent in the method: being specially that periodically incision purges
Wind successively purges adsorbent and wire gauzee filter, the microorganism that will be adsorbed and filter in adsorbent and wire gauzee filter
And solid particulate matter blowout, discharge system, wherein the purging wind used is to be no more than without ozone or containing concentration
0.2mg/m3The fresh air of ozone, purging wind preferred range are between 0-100 DEG C.
The present invention provides a kind of aircraft cabin removing ozone gas purification system, which includes catalytic eliminating ozone reaction
Device, heat exchanger, adsorption cleaning device, desorption blowback system, or will be in said units integration of equipments a to reactor.
The catalytic eliminating ozone reactor is designed as radial reactor structure, including central tube, ozone remove chamber, center
Multiple central tube apertures are set on tube wall, are separated with wire gauzee filter between central tube and ozone removing chamber, ozone removing is intracavitary
Load ozone reforming catalyst；The heat exchanger includes fresh air cooling chamber, cooling medium chamber；The adsorption cleaning device includes absorption
Filter bed, adsorption filtration bed is interior to load adsorbent；The desorption blowback system is after closing system, to pass through a gas access
It is passed through purging wind into system, system is cleaned.
The number of central tube aperture in catalytic eliminating ozone reactor of the present invention and aperture are according to specific requirement
It is configured, its usual aperture is 5 mesh or more.
The present invention also provides a kind of aircraft cabin integrated forms to remove ozone gas purification system, specially by gas purification system
Each reactor of system is integrated in a reactor, obtains integrated reformer, the integrated reformer divides upper, middle and lower
Three parts are separated between three parts with interlayer, are made of on interlayer seal section and netted section, the seal section refers to independent
The top of chamber or the interlayer of bottom are sealing, and gas can not pass through, and described netted section refers at the top of independent chamber
Or the interlayer of bottom be it is netted, gas can pass through, and top, lower part are cavity, and middle part is equipped with five layers from inside to outside, adjacent two layers
Between be chamber, two interlayers suit setting, the chamber at the middle part from inside to outside be respectively central tube, ozone remove chamber, fresh air
Cooling chamber, cooling medium chamber, adsorption filtration bed；Multiple central tube apertures are set on central tube tube wall, and central tube and ozone remove
Wire gauzee filter is separated between chamber；
Upper cavity is separated out region I and region II, and region I makes to absorb and filter bed top and purification wind outlet, area
Domain II is connected to ozone removing chamber with the top of fresh air cooling chamber, and lower cavity makes fresh air cooling chamber and absorbs and filter the bottom of bed
It is connected；
The interlayer that ozone removes bottom of chamber portion is seal section；
Cooling medium chamber is not connected to other parts in gas purge system, and cooling medium entrance, lower curtate is arranged in top
Cooling medium is arranged to export, the intracavitary portion of cooling medium, which is passed through, cooling medium is discharged is recycled；
Gas purge system is additionally provided with circulated air entrance and the outlet of purification wind；
Fresh air air inlet, circulated air entrance, the purification wind of gas purge system export and are connected with gas pipeline, each on pipeline
One autocontrol valve is set；
Ozone removes intracavitary filling ozone reforming catalyst, absorbs and filter in bed and loads adsorbent；
The gas purge system closes all autocontrol valves behind the door, except cooling medium chamber individually carries out cooling medium
Storage and circulation are outer, and rest part is in sealing state.
The shape of each chamber of system of the present invention can be arbitrary, and be specifically as follows the space or irregular of rule
Space, for example, sine curve, rectangular, round, hexagon, ellipse, parabola, hyperbola, triangle or hypocycloidal
Etc. shapes.
It further include purging regeneration wire gauzee filter and adsorption filtration bed portions point in system of the present invention, specially in fresh air
Air inlet is connected to among the gas pipeline of purification wind outlet connection with another autocontrol valve, and system bottom is swept equipped with blowback
Outlet, the blowback are swept outlet and can be disassembled from system, and can reinstall.
Close control fresh air air inlet, circulated air entrance, purification wind outlet autocontrol valve, open connection fresh air into
The autocontrol valve in air port and the outlet of purification wind, purging wind are redirected back into the outlet of purification wind and purge to internal system, blows
The waste scanned out sweeps outlet discharge by the way that the blowback of system bottom is arranged in, and the purging wind is without ozone or to contain concentration
No more than 0.2mg/m3Ozone, fresh air of the temperature range between 0-100 DEG C.
It is metal oxide, noble metal or both in composition or type of feed that ozone, which removes intracavitary ozone reforming catalyst,
On combination；Different planforms is made by mechanical-moulded in ozone reforming catalyst, or is supported on inert particle, pottery
It is made on porcelain honeycomb, metal beehive, ceramics or metallic fiber；
Ozone reforming catalyst has wider temperature operating range, can be directly at a temperature of the fresh air that engine introduces
Operation；Also can outside cabin under flying height at a temperature of effectively remove ozone, remove ozone reaction temperature be -55 DEG C~
400 DEG C, ozone reforming catalyst bed designs air speed is 20,000h-1~120,000h-1, according to processing tolerance and catalyst
Structure carries out Fluent analogue reactor flow field, guarantees gas being uniformly distributed in catalyst bed, designs reasonable radial
Reactor and catalyst bed structure.
Absorbing and filter the adsorbent in bed is inorganic material or Organometallic framework material, and adsorbent material passes through extrusion, pressure
The regular material with specific standard and configuration is made in the forming methods such as piece, spin；Or by adsorbent material be supported on inert particle,
Ceramic honeycomb, metal beehive, metal or ceramic fibre surface are made.
The removing of the microorganism and solid particle in gaseous mixture in the present invention is the adsorption filtration by loading adsorbent
Microorganism and granular absorption are filtered to remove by bed.
The metal oxide includes transition metal oxide and/or rare-earth oxide, the transiting metal oxidation
Object is preferably cobalt oxide, iron oxide, manganese oxide, nickel oxide, copper oxide, cerium oxide；The noble metal includes in Pd, Pt, Rh
One or more combination；The adsorbent material is one or more of active carbon, molecular sieve, Organometallic framework material group
It closes.
The cooling medium is the gas or liquid that temperature is lower than 40 DEG C, is theoretically cooled to specific temperature according to by fresh air
Selecting the temperature of cooling medium and cooling medium, conventional lower cabin gas is typically set at the convenient temperature of human body, therefore,
Under the premise of not reducing cooling effect, and in view of saving cost and simplifying device, the cooling medium is preferably fresh air
Or cold water；
The material of the wire gauzee filter (9) is stainless steel, and mesh aperture range is 200-400 mesh；
The intracavitary setting fin of cooling medium.
The fresh air introduced from outside aircraft cabin enters gas purge system by fresh air air inlet, at this time fresh air air inlet, follow
Ring wind entrance, the autocontrol valve for purifying wind exit are opened, and fresh air enters central tube, and fresh air passes through wire gauzee filter mistake
Filter, remove particulate matter therein, obtain fresh air A, fresh air A after filtering radially enter ozone removing chamber, fresh air A with
Ozone reforming catalyst comes into full contact with, and ozone is reduced to oxygen under the effect of ozone reforming catalyst, obtains fresh air B, later, newly
Wind B is left by ozone conversion top of chamber, by region II, is entered at the top of fresh air cooling chamber, is flowed from above to below, pass through fresh air
Cooling chamber and cooling medium chamber cool down the fresh air B in fresh air cooling chamber, and fresh air B after cooling down is from the bottom of fresh air cooling chamber
Portion is left, in being mixed in system lower cavity with the circulated air from cabin, gaseous mixture from adsorption filtration bed bottom from bottom to top
By adsorbent bed, further decrease the ozone not removed completely in gaseous mixture, at the same adsorb and filtering gaseous mixture in
Microorganism and solid particle, the gaseous mixture after absorbing and filter leaves from the top of adsorbent bed, by region I, by purified gas outlet air
Mouth enters cabin through valve exhaust gas purifying system.Using system of the present invention, ozone content in purified air
Less than 0.1mg/m3。
The invention has the following advantages over the prior art:
1. the aircraft cabin gas purge system that the present invention designs, can effectively eliminate the ozone in cabin, by ozone concentration
It is reduced to 0.1mg/m3Below；Microorganism and the particulate matter in cabin can be removed simultaneously, meet wanting for aircraft ring control life support system
It asks；
2. using integrated form cabin atmosphere purification system, compact-sized, light-weight, resistance is reduced, and system has high effect
Rate and economy；
3. the present invention drops to reduce the bed resistance of catalytic eliminating ozone reactor, it is designed to radial reactor knot
Structure；Fresh air radially enters the catalyst bed of ozone conversion, contacts with ozone reforming catalyst, and ozone is made in catalyst
Oxygen is converted under；Using radial catalyst bed, system pressure drop can be made to maintain lower level, while processing gas stream
Amount is big；And realize that gas is equal on catalyst bed by the size in the hole on optimization radial reactor inner wall and density
Even distribution；
4. ozone catalyst and absorption filtering material can be carried on the light materials such as ceramic fibre surface, there is strong resist
Impact property；
5. catalysis ozone removing and absorption combine, it ensure that purified gas outlet ozone removes precision；
6. solid particle and microorganism also can effectively be removed；
7. system has the function of that blowback is swept, durability is good, can be used for a long time.
Detailed description of the invention
Fig. 1 is removing ozone gas purification system flow diagram of the invention；
Fig. 2 is that integrated form of the invention removes ozone gas purification system structural schematic diagram；
Fig. 3 is removing ozone gas purification system schematic cross-section of the invention.
In Fig. 2 and Fig. 3,1- ozone removes chamber；2- fresh air cooling chamber；3- absorbs and filter bed；4- fresh air air inlet；5- purification
Wind air outlet；6- cooling medium entrance；The outlet of 7- cooling medium；Outlet is swept in 8- blowback；9- wire gauzee filter；10- circulated air
Entrance；11- cooling medium chamber；V1, V2, V3, V4- autocontrol valve.
Specific embodiment
Below with reference to Fig. 2, Fig. 3 to the detailed description of the invention, only presently preferred embodiments of the present invention below, but can not be with
This is limited the scope of the invention, especially the shape of the system, the equivalent changes and modifications that application range is done according to the present invention,
It all should belong to the range that the present invention is covered.
The fresh air introduced from outside aircraft cabin enters gas purge system by air inlet 4, and valve V1, V2, V4 is opened at this time,
Valve V3 closing is swept in blowback, and fresh air enters central tube, the central tube aperture of multiple 5 mesh or more, center are arranged on central tube tube wall
Fixed wire gauzee filter 9 on the inside of pipe, the material of wire gauzee filter are stainless steel, and mesh aperture is 200-400 mesh, and fresh air passes through silk
The filtering of web filter 9 removes particulate matter therein.Fresh air after filtering radially enters ozone removing chamber 1, and ozone is de-
Except ozone reforming catalyst is loaded in chamber 1, used ozone reforming catalyst is Pd-Mn/ active carbon, and fresh air is filled with catalyst
Tap touching, ozone are reduced to oxygen under the action of catalyst, and ozone reforming catalyst has good work under wide temperature range
Property, purified air ozone content is less than 0.1mg/m3.Later, fresh air is left by ozone conversion 1 top of chamber, enters from top
Fresh air cooling chamber 2 flows from above to below, and heat exchange cooling is carried out with the cooling medium flowed from bottom to top, and cooling medium is that temperature is low
In 40 DEG C of gas or liquid, preferably fresh air of the temperature lower than 40 DEG C or cold water, cooling medium enters cooling medium by bottom
Chamber 11 flows from bottom to top, and fin is arranged in cooling medium chamber 11, strengthens the heat transfer of cooling medium, cooling medium is by cooling medium
11 top of chamber is left through cooling medium outlet 7, and the fresh air after cooling down is left from the lower part of cooling chamber 2, with following from cabin
The mixing of ring wind, gaseous mixture enter adsorption filtration bed 3 from bottom to top by adsorbent bed from bottom, and the interior filling adsorbent of adsorbent bed is to live
Property charcoal or molecular sieve, further decrease the ozone not removed completely in mixed gas, at the same adsorb and filtration cycle gas in
Microorganism and solid particle, the gaseous mixture after absorbing and filter leaves from the top of adsorbent bed 3, by purified gas air outlet 5 through valve
V2 exhaust gas purifying system enters cabin.
To realize that adsorption filtration bed 3 regenerates, while the particle exhaust gas purifying system that wire gauzee filter 9 is filtered out,
It is free of by periodically incision or concentration is no more than 0.2mg/m3Fresh air (such as aircraft flying height with certain temperature of ozone
When reduction) carry out reverse blow adsorption filtration bed 3 and realizes, periodically incision purging wind is in tempus intercalare, make to purge
Waste out deposits to blowback and sweeps on outlet 8.When gas purge system progress blowback is swept, valve at fresh air air inlet 4 is closed
Door V1, it closes valve V2 at purified gas air outlet 5, close valve V4 at circulated air entrance 10, opening fresh air blowback and sweep valve V3,
It purging wind and enters system from purified gas air outlet 5, purging wind enters adsorption filtration bed 3 from top and passes through adsorbent bed,
Left from adsorbent bed lower part, post-purge wind enter fresh air cooling chamber 2 from lower part and flow from bottom to top, from fresh air cooling chamber 2
Portion is left, and then purges wind from top and enters ozone removing chamber 1, radially passes through ozone removing chamber 1 and wire gauzee filter 9
Into central tube, the microorganism and solid particulate matter adsorbed in adsorption filtration bed 3, wire gauzee filter 9 are blown out, sweep row through blowback
8 exhaust gas purifying systems are exported, blowback sweeps outlet 8 and is arranged to dismountable mouth, with easy cleaning.
Claims (11)
1. a kind of aircraft cabin removes ozone gas purification system, it is characterised in that:
The system includes catalytic eliminating ozone reactor, heat exchanger, adsorption cleaning device, desorption blowback system；By gas purification system
The all parts of system are integrated in a reactor, obtain integrated reformer, and the integrated reformer divides upper, middle and lower three
Part is separated between three parts with interlayer respectively, is made of on interlayer seal section and netted section, and top, lower part are cavity, middle part
It is equipped with five layers from inside to outside, is chamber between adjacent two layers, two interlayers suit is arranged, and the chamber at the middle part is distinguished from the inside to the outside
Centered on pipe, ozone removing chamber (1), fresh air cooling chamber (2), cooling medium chamber (11), adsorption filtration bed (3)；Central tube tube wall
The upper multiple central tube apertures of setting, are separated with wire gauzee filter (9) between central tube and ozone removing chamber (1)；
Upper cavity is separated out region I and region II, and region I makes the top for absorbing and filter bed (3) only and purification wind exports (5) even
Logical, region II is connected to ozone removing chamber (1) with the top of fresh air cooling chamber (2), and lower cavity makes fresh air cooling chamber (2) and inhales
The bottom of attached filter bed (3) is connected；
The interlayer that ozone removes chamber (1) bottom is seal section；
Cooling medium chamber (11) is not connected to other parts in gas purge system, and cooling medium entrance (6) are arranged in top, bottom
Portion is arranged cooling medium and exports (7), is passed through or is discharged cooling medium inside cooling medium chamber (11) and carry out cooling medium
Storage or circulation；
Gas purge system is additionally provided with circulated air entrance (10) and purification wind outlet (5)；
The fresh air air inlet (4) of gas purge system, circulated air entrance (10), purification wind outlet (5) are connected with gas pipeline, manage
One autocontrol valve (V1, V2, V4) is respectively set on road；
Ozone removes and loads ozone reforming catalyst in chamber (1), loads adsorbent in adsorption filtration bed (3)；
The gas purge system closes all autocontrol valves behind the door, except cooling medium chamber (11) can individually carry out cooling Jie
The storage of matter or circulation are outer, and rest part is in sealing state.
2. gas purge system described in accordance with the claim 1, it is characterised in that: the catalytic eliminating ozone reactor is designed as
Radial reactor structure, including central tube, ozone remove chamber (1), and multiple central tube apertures, central tube is arranged on central tube tube wall
It is separated with wire gauzee filter (9) between ozone removing chamber (1), ozone, which removes, loads ozone reforming catalyst in chamber (1)；It is described to change
Hot device includes fresh air cooling chamber (2), cooling medium chamber (11)；The adsorption cleaning device includes adsorption filtration bed (3), adsorption filtration
Adsorbent is loaded in bed (3)；The desorption blowback system is after closing system, to be passed through by a gas access into system
Wind is purged, system is cleaned.
3. gas purge system according to claim 1 or 2, it is characterised in that: fresh air air inlet (4) and the outlet of purification wind
(5) it being connected among the gas pipeline connected with another autocontrol valve (V3), system bottom is equipped with blowback and sweeps outlet (8),
The blowback is swept outlet (8) and can be disassembled from system, and can reinstall.
4. gas purge system described in accordance with the claim 3, it is characterised in that:
Close control fresh air air inlet (4), circulated air entrance (10), purification wind outlet (5) autocontrol valve (V1, V2,
V4), open connection fresh air air inlet (4) and purify the autocontrol valve (V3) of wind outlet (5), purging wind is redirected back into purification
Wind outlet (5) purges internal system, and the waste purged out sweeps outlet (8) by the way that the blowback of system bottom is arranged in
Discharge.
5. gas purge system according to claim 1 or 2, it is characterised in that: ozone removes the ozone conversion in chamber (1)
Catalyst is the combination of metal oxide, noble metal or both on composition or type of feed；Ozone reforming catalyst passes through machine
Different planforms is made in tool molding, or is supported on inert particle, metal beehive, metallic fiber or ceramics and above made
；
Absorbing and filter the adsorbent in bed (3) is inorganic material or Organometallic framework material, and adsorbent material passes through extrusion, pressure
The regular material with specific standard and configuration is made in the forming methods such as piece, spin；Or by adsorbent material be supported on inert particle,
Ceramic honeycomb, ceramic fibre or metal surface are made.
6. gas purge system according to claim 5, it is characterised in that: the metal oxide includes oxo transition metal
Compound and/or rare-earth oxide.
7. gas purge system according to claim 6, it is characterised in that: the transition metal oxide be cobalt oxide,
The combination of one or more of iron oxide, manganese oxide, nickel oxide, copper oxide, cerium oxide；The noble metal includes in Pd, Pt, Rh
One or more combination；The adsorbent includes one or more of active carbon, molecular sieve, Organometallic framework material group
It closes.
8. gas purge system according to claim 1 or 2, it is characterised in that: used in the cooling medium chamber (11)
Cooling medium be that temperature is lower than 40 DEG C of gas or liquid, the material of the wire gauzee filter (9) is stainless steel, mesh aperture
For 200-400 mesh, the interlayer between fresh air cooling chamber (2) and cooling medium chamber (11) is metal thermal conductive material；
Fin is set in cooling medium chamber (11).
9. gas purge system described in accordance with the claim 1, it is characterised in that: the fresh air introduced from outside aircraft cabin is by fresh air
Air inlet (4) enters gas purge system, and fresh air air inlet (4), circulated air entrance (10), purification wind export at (5) at this time
Autocontrol valve (V1, V2, V4) is opened, and fresh air enters central tube, and fresh air is filtered by wire gauzee filter (9), is removed wherein
Particulate matter, obtain fresh air A, fresh air A after filtering radially enters ozone removing chamber (1), and fresh air A and ozone convert
Catalyst comes into full contact with, and ozone is reduced to oxygen under the effect of ozone reforming catalyst, obtains fresh air B, later, fresh air B is by smelly
It is left at the top of oxygen conversion chamber (1), by region II, enters from fresh air cooling chamber (2) top, flow from above to below, pass through fresh air
The heat exchange of cooling chamber (2) and cooling medium chamber (11) cools down fresh air B, and the fresh air B after cooling down is from fresh air cooling chamber (2)
Bottom is left, and in mixing in system lower cavity with the circulated air from cabin, gaseous mixture is from adsorption filtration bed (3) bottom under
And it is upper by adsorbent bed, the ozone not removed completely in gaseous mixture is further decreased, while adsorbing and filtering gaseous mixture
In microorganism and solid particle, gaseous mixture after absorbing and filter leaves from the top of adsorbent bed (3), by region I, by purifying
Gas air outlet (5) enters cabin through valve (V2) exhaust gas purifying system.
10. a kind of aircraft cabin using system described in claim 1 removes ozone gas purification method, it is characterised in that:
Include the following steps,
1) fresh air outside cabin is introduced, the particulate matter in fresh air is filtered out by wire gauzee filter, obtains fresh air A；
2) oxygen is converted by the ozone catalytic in fresh air A, obtains fresh air B by ozone reforming catalyst again, wherein ozone is de-
Except unit is designed to radial reactor structure, ozone reforming catalyst is set in radial reactor, during radial reactor includes
Heart pipe and ozone remove chamber, and multiple central tube apertures are arranged on central tube tube wall；
3) fresh air B is cooled to required temperature, and is mixed with the circulated air in cabin, obtain gaseous mixture；
4) gaseous mixture is absorbed and filter by adsorbent, is further reduced the ozone not removed completely in gaseous mixture, is inhaled simultaneously
Filtering microorganism and solid particle are echoed, the gaseous mixture discharge system after absorbing and filter enters cabin.
11. according to the method for claim 10, it is characterised in that: further include cleaning wire gauzee filter and reproducing adsorbent
Method: periodically incision purging wind successively purges adsorbent and wire gauzee filter, will be in adsorbent and wire gauzee filter
The microorganism and solid particulate matter blowout of absorption and filtering, discharge system.
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| CN201510583452.1A CN106512715B (en) | 2015-09-14 | 2015-09-14 | A kind of aircraft cabin is interior except ozone, the method and system of gas purification |
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| CN106512715B true CN106512715B (en) | 2019-11-12 |
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| CN107676917A (en) * | 2017-10-25 | 2018-02-09 | 四川特空科技有限公司 | A kind of more filtering net air filters based on heat exchanger |
| CN107631361A (en) * | 2017-10-25 | 2018-01-26 | 四川特空科技有限公司 | A kind of air filter that need not change filter screen |
| CN107702222A (en) * | 2017-10-25 | 2018-02-16 | 四川特空科技有限公司 | A kind of air filter based on heat exchanger |
| US10493405B1 (en) | 2018-05-30 | 2019-12-03 | Honeywell International Inc. | Ozone converter leading edge protection |
| CN110559827B (en) * | 2019-08-26 | 2020-06-30 | 山鹰国际控股股份公司 | Treatment process of papermaking waste gas |
| CN112604445B (en) * | 2020-12-30 | 2023-04-14 | 刘露雨 | Flue gas desulfurization, denitrification and dust removal integrated equipment for coal-fired ceramic tunnel kiln |
| CN112870969A (en) * | 2021-03-24 | 2021-06-01 | 中国民用航空飞行学院 | Thermal runaway flue gas catalytic purification system for power lithium battery pack |
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| CN102317159A (en) * | 2008-12-18 | 2012-01-11 | 巴斯夫公司 | Catalyst Systems and Methods for Treating Aircraft Cabin Air |
| CN204447752U (en) * | 2014-12-10 | 2015-07-08 | 中国航空工业集团公司金城南京机电液压工程研究中心 | A kind of aircraft air condition bleed air system deozonize device |
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