CN208699060U - A kind of passenger plane cockpit return air purification system - Google Patents
A kind of passenger plane cockpit return air purification system Download PDFInfo
- Publication number
- CN208699060U CN208699060U CN201820914755.6U CN201820914755U CN208699060U CN 208699060 U CN208699060 U CN 208699060U CN 201820914755 U CN201820914755 U CN 201820914755U CN 208699060 U CN208699060 U CN 208699060U
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- China
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- return air
- air
- air purification
- outlet
- forecooler
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Abstract
The utility model discloses a kind of passenger plane cockpit return air purification system, including engine, fan, forecooler, return air purification device, Fresh air handing device, fresh airs, return air mixing tank, blower, air outlet and return air inlet.The return air purification device is using high efficiency particulate air filter and the compound technical filter particulate matter of multilayer activated carbon fiber and adsorbs VOC.Fresh air is introduced from the engine, it exchanges heat in forecooler with the external normal temperature air from fan, under state of flight, the air after cooling enters fresh air, return air mixing tank by Fresh air handing device, it is mixed in mixing tank with 50% return air after filtering absorption, and is sent into cabin；Under shutdown status, the fresh air bypass flowed out from forecooler enters return air purification device, and the VOC on activated carbon fiber is desorbed.The system realizes the regeneration of activated carbon using the high temperature bleed of engine, extends the service life of activated carbon, reaches energy-efficient purpose.
Description
Technical field
The utility model relates to field of gas purification, and in particular to a kind of passenger plane cockpit return air purification system.
Background technique
Cabin air quality mainly is controlled to adjust in the method for introducing fresh air for the jet airliner of early stage.Aircraft
Cockpit is supplied using all-fresh air, and under this ventilation mode, aircraft energy consumption is huge, with the appearance of large aircraft and the increasing of passenger capacity
Add and the aggravation of energy crisis, rationally can be significantly energy saving using return air, for the air quality in control cabinet, need to adopt
Purified treatment is carried out to return air with high efficiency particulate air filter.
In architecture indoor air purification field, active carbon adsorption is proved to be a kind of effective removal VOC by multinomial research
Method, be often used in conjunction with particulate filter under cabin atmosphere, while removing particulate matter and chemical pollutant.
Active carbon adsorption filter service life is limited, but the air cleaning unit of aircraft only examines (usually after flight 6500h) in C
When just replace, therefore adsorbent material adsorbance early has reached saturation in the meantime, so that it is lost adsorption effect, and be easy to produce two
Secondary pollution, this disadvantage seriously affect long-term effect of the adsorption technology in terms of cabin pollutant catabolic gene.In order to extensive in a short time
The performance of active carbon will solve this to activated carbon progress VOC desorption using high temperature fresh air during each shut down and ask
Topic.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiency in the prior art, a kind of passenger plane cockpit return air purification system
System.
The utility model is proposes in solution background technique the technical issues of, the technical solution adopted is that: a kind of passenger plane seat
Cabin return air purification system, including return air purification device further include VOC desorption pipeline, the inlet tube warp of the return air purification device
Valve A is connected to the 50% return air outlet of blower A, and the blower A entrance is connected to return air inlet, and the return air purification device goes out
Mouthful pipe is connected to a side entrance of fresh air, return air mixing tank through valve B, the fresh air, return air mixing tank outlet through blower B
Be connected to air outlet, the fresh air, return air mixing tank another side entrance be connected to the outlet of Fresh air handing device, it is described new
The inlet tube of wind processing unit is connected to forecooler outlet through valve D, and the forecooler inlet tube is connected to going out for engine
Mouth pipe, the entrance of the engine are fresh air inlet, and the forecooler is cold as cold source using fan introducing normal temperature air
But the bleed of engine；The VOC desorption pipeline is mainly by being set to the forecooler outlet and the return air purification device
Bypass between inlet tube is constituted, and the bypass is connected to the return air through valve C and blower C by the outlet of forecooler and purifies
The inlet tube of device, the outlet bypass setting emptying of the return air purification device.
The engine bleed temperature range is at 300-400 DEG C, and temperature is 150-200 after forecooler heat exchange
℃。
50% return air of residue of the fan outlet is discharged into atmosphere through air-exhausting duct.
The return air purification device is mainly by inlet union, high efficiency particulate air filter, multilayer activated carbon fiber and outlet connection structure
At.
The high efficiency particulate air filter and multilayer activated carbon fiber are bonded by fire resistant epoxy AB glue JD-8119.
The high efficiency particulate air filter efficiency of selection rank is the high temperature resistant HEPA of H14.
The rich filter industry BOL-ACF series activated carbon of multilayer activated carbon fiber selection.
Beneficial effect
Compared with prior art, high efficiency particulate air filter and activated carbon have been implemented in combination with to the particle in return air for the utility model
The purification of object and VOC；The regeneration that activated carbon is realized using the high temperature bleed of engine, extends the service life of activated carbon, saves
The expense for making a big purchase active carbon material in large quantities has been saved, energy-efficient purpose is reached, while also having substantially increased return air purification efficiency.
Detailed description of the invention
Fig. 1 is the principles of the present invention figure；
Fig. 2 is return air clarifier front view；
Appended drawing reference: 1-engine, 2- fan, 3-forecoolers, 4-Fresh air handing devices, 5-fresh airs, return air mixing
Case, 6-return air purification devices, 61-inlet unions, 62-high efficiency particulate air filters, 63-multilayer activated carbon fibers, 64-outlets connect
Head, 7,8,9,10-valve A, B, C, D, 11-air outlets, 12-return air inlets, 13-air-exhausting ducts, 14-50% backwind tube, 15-
Air supply tube, 16-fresh wind tubes, 17,18,19-blower A, B, C.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail, below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1, a kind of passenger plane cockpit return air purification system, including engine 1, fan 2, forecooler 3, at fresh air
Manage device 4, fresh air, return air mixing tank 5, return air purification device 6, blower 17,18,19, air outlet 11 and return air inlet 12.From described
Air has 50% circulated air is used as to mix feeding cabin with fresh air in the cabin that return air inlet 12 flows out, and in addition 50% return air is through air-exhausting duct
13 discharges are out of my cabin；The return air purification device 6 include inlet union 61, high efficiency particulate air filter 62, multilayer activated carbon fiber 63 and go out
Mouth connector 64；The high efficiency particulate air filter 62 is used to filter the particulate matter in return air, and the layer activated carbon fiber 63 is for adsorbing
VOC；Normal temperature air in the forecooler 3 is introduced by fan 2 from atmosphere, for cooling down the bleed of high-temperature engine 1；The hair
The bleed temperature of motivation 1 is up to 300-400 DEG C, and temperature is 150-200 DEG C after the forecooler 3 heat exchange, therefore described efficient
It is bonded between filter 62 and the layer activated carbon fiber 63 using fire resistant epoxy AB glue JD-8119.
Specific embodiment of the present invention is as follows:
Under state of flight, Open valve A7, valve B8 and valve D10 close valve C9, the fresh air introduced from engine 1
Enter forecooler 3 by fresh wind tube 16, exchanges heat in forecooler 3 with the external normal temperature air from fan 2, the fresh air after cooling
It is purified and is cooled down into Fresh air handing device 4, reached and enter fresh air, return air mixing tank 5 in cabin after standard air, mixed
Cockpit top supplying air mouth is sent by air supply tube 15 under the action of blower B18 after mixing in wind, return air mixing tank 5 with return air
11；Air flows out under the action of blower A17 by return air inlet 12 in cabin, wherein 50% is discharged out of my cabin as air draft, 50% time
Wind enters return air purification device 6 through the outlet of 50% return air, passes through the filtering of high efficiency particulate air filter 62 and the absorption of activated carbon fiber
Enter fresh air, return air mixing tank 5 afterwards, is mixed in mixing tank 5 with the fresh air after purifying and cooling and be sent into cockpit.
Under shutdown status, valve A7, valve B8 and valve D10 are closed, opens valve C9, the 150- come out from forecooler 3
200 DEG C of fresh airs enter return air purification device 6 along airflow direction under the action of blower C19, to work in return air purification device 6
Property carbon fiber on the VOC that adsorbs be desorbed, engine 1 and blower C19 are closed after a period of time, can after activated carbon restorability
It is used for flight next time.
A kind of passenger plane cockpit return air purification system that the utility model is disclosed and proposed, those skilled in the art can be by borrowing
Reflect present disclosure, and the links such as appropriate change condition are realized, although the method and technology of preparing of the utility model pass through preferable reality
Example is applied to be described, related technical personnel obviously can not depart from the content of the present invention, in spirit and scope to herein
The methods and techniques route is modified or reconfigures, to realize final technology of preparing.In particular, it should be pointed out that
All similar replacements and change are apparent to those skilled in the art, they are considered as being included in this reality
With in novel spirit, range and content.
Claims (7)
1. a kind of passenger plane cockpit return air purification system, including return air purification device, which is characterized in that it further include VOC desorption pipeline,
50% return air that the inlet tube of the return air purification device is connected to blower A through valve A exports, and the blower A entrance is connected to
Return air inlet, the outlet of the return air purification device is connected to a side entrance of fresh air, return air mixing tank through valve B, described new
Wind, return air mixing tank outlet be connected to air outlet through blower B, another side entrance connection of the fresh air, return air mixing tank
To the outlet of Fresh air handing device, the inlet tube of the Fresh air handing device is connected to forecooler outlet through valve D, described
Forecooler inlet tube is connected to the outlet of engine, and the entrance of the engine is fresh air inlet, and the forecooler is adopted
Fan is used to introduce the bleed of normal temperature air as the cooling engine of cold source；
The VOC desorption pipeline is mainly by being set between the forecooler outlet and the return air purification device inlet tube
Bypass is constituted, described to bypass the entrance for being connected to the return air purification device through valve C and blower C by the outlet of forecooler
The outlet bypass of pipe, the return air purification device is provided with blow-down pipe.
2. a kind of passenger plane cockpit return air purification system according to claim 1, which is characterized in that the engine bleed temperature
Range is spent at 300-400 DEG C, and temperature is 150-200 DEG C after forecooler heat exchange.
3. a kind of passenger plane cockpit return air purification system according to claim 1, which is characterized in that the fan outlet remains
50% return air of remaininging through air-exhausting duct is discharged into atmosphere.
4. a kind of passenger plane cockpit return air purification system according to claim 1, which is characterized in that the return air purification device
Mainly it is made of inlet union, high efficiency particulate air filter, multilayer activated carbon fiber and outlet connection.
5. a kind of passenger plane cockpit return air purification system according to claim 4, which is characterized in that the high efficiency particulate air filter and
Multilayer activated carbon fiber is bonded by fire resistant epoxy AB glue JD-8119.
6. a kind of passenger plane cockpit return air purification system according to claim 4, which is characterized in that the high efficiency particulate air filter choosing
Select the high temperature resistant HEPA that efficiency levels are H14.
7. a kind of passenger plane cockpit return air purification system according to claim 4, which is characterized in that the multilayer activity carbon fiber
The rich filter industry BOL-ACF series activated carbon of dimension selection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914755.6U CN208699060U (en) | 2018-06-13 | 2018-06-13 | A kind of passenger plane cockpit return air purification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914755.6U CN208699060U (en) | 2018-06-13 | 2018-06-13 | A kind of passenger plane cockpit return air purification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208699060U true CN208699060U (en) | 2019-04-05 |
Family
ID=65936051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820914755.6U Expired - Fee Related CN208699060U (en) | 2018-06-13 | 2018-06-13 | A kind of passenger plane cockpit return air purification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208699060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583906A (en) * | 2018-06-13 | 2018-09-28 | 天津大学 | A kind of passenger plane cockpit return air purification system and desorption method |
-
2018
- 2018-06-13 CN CN201820914755.6U patent/CN208699060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583906A (en) * | 2018-06-13 | 2018-09-28 | 天津大学 | A kind of passenger plane cockpit return air purification system and desorption method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20190613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |