CN206334516U - A kind of air cleaning unit and ventilating system and track train - Google Patents
A kind of air cleaning unit and ventilating system and track train Download PDFInfo
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- CN206334516U CN206334516U CN201621365667.2U CN201621365667U CN206334516U CN 206334516 U CN206334516 U CN 206334516U CN 201621365667 U CN201621365667 U CN 201621365667U CN 206334516 U CN206334516 U CN 206334516U
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- photocatalysis
- cleaning unit
- air
- air cleaning
- discharge
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Abstract
The utility model discloses a kind of air cleaning unit and ventilating system and track train, including clean unit, the clean unit both sides are connected with air inlet and gas outlet respectively；The clean unit is formed by the multiple cleaning modules concatenation being arranged side by side, the cleaning module includes discharge reactor, the region of discharge of the discharge reactor sets photocatalysis apparatus, discharge reactor electric discharge produces low temperature plasma and photocatalysis synergy, and purified treatment passes through the contaminated air of cleaning module.Lower temperature plasma technology is combined with photocatalysis technology, overcome and inactivate the influence to purification efficiency using rear photochemical catalyst for a long time, solve product degradation when lower temperature plasma technology is used alone not thorough, the problem of producing secondary pollution, improves purification efficiency and the service life of photocatalysis layer.
Description
Technical field
The utility model is related to air purification field, in particular to a kind of air cleaning unit and ventilating system and
Track train.
Background technology
Railway air conditioning train is crowded, relative closure a space, is typically taken in use hybrid
Draft type, wherein being mostly in-car return air, fresh air content is relatively fewer, and in-car lacks effective ventilation for a long time, interior
Portion's air pollution is serious, especially the lavatory on train because its air circulation it is worst, cause long-term existence niff, plus
The railway car space of closing can also produce carbon monoxide.
At present, the air cleaning measure used on domestic railroad train is the pre-filtered mode of traditional air, it is impossible to
Effectively carry out air cleaning；And be generally on the market filtering absorbent-type processing product, consumptive material must be regularly replaced, and to carbon monoxide
Treatment effect it is not good.
Lower temperature plasma technology has the advantages that short handling process, efficiency high, applied widely, but is used alone and exists
The shortcomings of clearance is relatively low, energy consumption is higher, product degradation is not thorough, photocatalysis technology has that easy to operate, energy consumption is relatively low, secondary dirt
The advantages of dye is few, but also have the shortcomings that to be limited by ultraviolet source, the easy poisoning and deactivation of catalyst.
Utility model content
The purpose of this utility model be to overcome above-mentioned the deficiencies in the prior art there is provided a kind of air cleaning unit, will be low
Two kinds of technologies of isothermal plasma technology and photocatalysis technology are effectively combined, and have greatly played the excellent of lower temperature plasma technology
Gesture, improves the catalytic effect of photochemical catalyst, optimizes the application limitation of lower temperature plasma technology and photocatalysis technology.
The utility model also provides a kind of ventilating system, and air cleaning unit is applied in ventilating system, eliminates wind
The filtering absorbing unit of machine and consumptive material, can efficiently remove air pollutants.
The utility model also provides a kind of track train, and the ventilating system with air cleaning unit is applied into track column
Che Shang, makes it possible the solution of air pollution problems inherent in rail train carriage.
To achieve the above object, the utility model uses following technical proposals：
A kind of air cleaning unit, including clean unit, the clean unit both sides connect with air inlet and gas outlet respectively
Connect；The clean unit is formed by the multiple cleaning modules concatenation being arranged side by side, and the cleaning module includes discharge reactor, institute
The region of discharge for stating discharge reactor sets photocatalysis apparatus, and discharge reactor electric discharge produces low temperature plasma and assisted with photocatalysis
Same-action, purified treatment passes through the contaminated air of cleaning module.
Discharge reactor and photocatalysis apparatus are set in air cleaning unit, the low-temperature plasma for producing discharge reactor
Body is combined generation synergy with photocatalysis, can both lift the clean-up effect of low temperature plasma, can also lift light and urge
The catalytic effect of agent, the purified treatment effect to air pollutants is more preferable, more efficient.
The discharge reactor includes sparking electrode, and the sparking electrode is fixed on electrode framework.Sparking electrode is produced
Low temperature plasma carries out degradation treatment to particulate matters such as the dusts in air.
It is preferred that, electric-field enhancing element is also fixedly installed on the electrode framework.Setting electric-field enhancing element can improve
Electric-field intensity, for increasing the ultraviolet ray intensity in device, eliminates the ultraviolet source additionally added, reaches the mesh of reduction energy consumption
's.
It is preferred that, the sparking electrode is the parallel multiple zigzag electrodes of laying on zigzag electrode, the electrode framework.
Under forceful electric power field action, a kind of electric discharge phenomena that object sharp parts occur are referred to as point discharge, belong to a kind of corona discharge.Principle
It is that object sharply locates curvature greatly, power line is intensive, thus potential gradient is big, causes its neighbouring portion gas breakdown and puts
Electricity.When conductive surface has electric charge accumulation, charge density is relevant with the shape of conductive surface.It is close in recessed position charge density
Zero, it is small at gentle position, it is maximum at the position of point.After charge density reaches a certain amount value, the electric field meeting that electric charge is produced
It is very big, so that air breakdown (ionization).Electrode is set as zigzag herein, adds the electricity near discharge tip, and tip
Field is especially strong, can effectively improve electric-field intensity, and then improve discharge effect.
The photocatalysis apparatus includes photocatalysis layer, and the photocatalysis layer is made up of catalysis material.Photocatalysis can be by
Gaseous contaminant in air is oxidized to carbon dioxide and water, kills germ.
It is preferred that, the photocatalysis layer is arranged at the top of discharge reactor.Photocatalysis layer is put in region of discharge,
The top of discharge reactor is set to herein, it is easy for installation, windage is reduced, and photocatalysis layer is difficult the dirt of the dust that is settled etc.
Dye.
It is preferred that, it is provided with dust collecting trough below the discharge reactor.Can be fixed with collection and purification unit Deposited particulate matter
Phase cleans to dust collecting trough, is easy to cleaning.
It is preferred that, the air inlet includes multiple circular hole structures.Circular hole structure can increase air inlet area.
It is preferred that, the gas outlet is reticular pattern structure.Gas outlet, which is set as reticular pattern structure, can maximally utilize outlet
Area, suitably reduces windage.
The clean unit is arranged in casing, power module is set in the casing, power module is discharge reactor
Voltage is provided.Power module provides the voltage needed for sparking electrode, and discharge reactor makes gas breakdown produce low temperature plasma,
Air is purified.
It is preferred that, the casing both sides are obliquely installed, and air inlet and gas outlet are separately positioned on the both sides of casing.Only
The outer case both sides for changing unit placement are obliquely installed so that the profile of the device and the profile phase of existing motor train unit train
Match somebody with somebody, be preferably contained in railway car.Air inlet and gas outlet are respectively provided at both sides portion, can increase contaminated air and processing
The time of contact of module.
The discharge reactor and photocatalysis apparatus be arranged in parallel with gas distribution channel.Make contaminated air anti-with electric discharge
The time of contact of device and photocatalysis apparatus is answered to increase, clean-up effect is more preferably.
It is preferred that, the electric-field enhancing element is barium titanate ceramics part.Barium titanate ceramics part dielectric constant is higher, can be very
Good enhancing electric-field intensity.
It is preferred that, the catalysis material is nano titanium oxide.The catalytic activity of nano titanium oxide is high, catalytic efficiency
It is good, the pollutant in air can be effectively removed, and can be sterilized well.
A kind of ventilating system, including air cleaning unit as described above.
A kind of track train, including ventilating system as described above.
The beneficial effects of the utility model are：
Lower temperature plasma technology is combined by the utility model with photocatalysis technology, is overcome light after long-time use and is urged
Influence of the agent inactivation (particulate matter blocks photocatalysis carrier, organic matter attachment catalysis material surface and caused) to purification efficiency,
Product degradation is not thorough when solving lower temperature plasma technology exclusive use, and the problem of producing secondary pollution improves purification
The service life of efficiency and photocatalysis layer；
Air cleaning unit of the present utility model is in implementation process, without setting pre-filtration units and blower fan, it is not necessary to
Filter material is changed, reduction is used and its running cost；
Air cleaning unit of the present utility model is provided with and removed for being settled in collection and purification unit in implementation process
Particulate matter, only need to periodically be cleaned, use cost is reduced indirectly；
Air cleaning unit of the present utility model is in implementation process, and clean unit, which is set, can improve the ferroelectricity of electric-field intensity
Pole material, iron electrode material is barium titanate ceramics part, for the ultraviolet ray intensity in increase system；
Air cleaning unit of the present utility model is in implementation process, using high frequency pulse AC power supply, and aura is uniform, etc.
The light that plasma discharge is sent, as light-catalysed light source, and photocatalysis layer is arranged in region of discharge, extra without setting
Ultraviolet source, while the further utilization of energy, reduces the energy consumption of whole system；
The utility model uses low temperature plasma+light catalytic purifying, has both ensured that carbon monoxide of closing space etc. polluted
The thorough purification of thing, purification efficiency is improved, use and running cost are saved again；
Generally speaking, the utility model has greatly played the advantage of lower temperature plasma technology, improves photochemical catalyst
Catalytic effect and service life, reduce unnecessary cleaning procedure, it is achieved thereby that operation and maintenance cost effective reduction.
Brief description of the drawings
Fig. 1 is the structural representation of air cleaning unit of the present utility model --- side view；
Fig. 2 is the structural representation of air cleaning unit of the present utility model --- a-a front views；
Fig. 3 is the structural representation of air cleaning unit of the present utility model --- b-b front views；
Fig. 4 is the electrode module structural representation of air cleaning unit of the present utility model --- c-c views；
Fig. 5 is the sparking electrode schematic shapes of air cleaning unit of the present utility model；
In figure, 1 air inlet, 2 clean units, 3 gas outlets, 4 electrode modules, 5 photocatalysis layers, 6 dust collecting troughs, 7 electrode frameworks,
8 sparking electrodes, 9 electric-field enhancing elements, 10 power modules, 11 cleaning modules, 12 casings.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.It should be appreciated that described herein
Embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Embodiment 1：
As shown in figure 1, a kind of air cleaning unit, air cleaning unit include air inlet 1, clean unit 2, dust collecting trough 6,
Gas outlet 3, power module 10, wherein, power module 10 is used to provide the voltage needed for sparking electrode；Clean unit 2 is two
Identical cleaning module 11 is constituted, for removing the solid contaminant in air to be clean, gaseous contaminant and killing germ；Collection
Dirt groove 6 is used for the particulate matters such as the dust settled down during collection and purification.
Clean unit 2 is arranged in casing 12, and power module 10 is set in casing 12, and power module 10 is discharge reactor
Voltage is provided.The both sides of clean unit 2 are connected with air inlet 1 and gas outlet 3 respectively, and the both sides of casing 12 are obliquely installed, air inlet 1
The both sides of casing are separately positioned on gas outlet 3.Air inlet and gas outlet are respectively provided at both sides portion, and one is, it is contemplated that this
The installing space of device, either inside air-conditioning or in air channel, the profile of device is preferably arranged to sleeve configuration, will need to lead to
Gas port is arranged on both sides；Two are, can increase the time of contact of contaminated air and processing module.
Clean unit 2 is concatenated by the multiple cleaning modules 11 being arranged side by side and formed, from 2 cleaning modules in the present embodiment
11, cleaning module 11 includes discharge reactor, and the region of discharge of discharge reactor sets photocatalysis apparatus, discharge reactor electric discharge
Low temperature plasma and photocatalysis synergy are produced, purified treatment passes through the contaminated air of cleaning module.
Plasma purification air pollutants mainly utilize two kinds of effects：One is between particle and particle and thing phase surface
High-energy produced by collision makes contaminant molecule chemical bond rupture；Two be that height of the contaminant molecule with being produced in dissociation process is lived
Free love base reacts and changes into innocuous substance.TiO2Photochemical catalyst is under ultraviolet light, and titanium atom valence-band electrons can be swashed
Hair, forms electronics-hole pair, the vapor, oxygen in air be in contact with it the OH that can be broken down into great oxidizing force and
O2 -, its can degrade Some Organic Pollutants and part inorganic compound.
Gas discharge can produce stronger ultraviolet while low-temperature plasma is produced, available for exciting photochemical catalyst,
So as to be conducive to energy utilization rate.
In the plasma, there are the high energy capacity material particles such as electronics, excited state molecule, active group in addition to photon
Produce.Wherein the average energy of electronics can reach 5eV or so, and collide the lifetime of excited state produced up to number by electron and molecule
The metastable state N of second2Molecule then has 6.2eV average energy.These particles can promote harmful gas with the photochemical catalyst of activated surface
The photocatalytic degradation of body.
In two-phase association reaction, photochemical catalyst may also function as certain dielectric effect, can strengthen internal field.Together
When, excite the conduction band electron of generation to strengthen the free electron supply of plasma ionized space from photochemical catalyst, so as to carry
The degree of ionization of high beta plasma, and the starting voltage of gas discharge can be reduced.
Reaction of low temperature plasma is that a kind of efficiency is higher, can handle high concentration, the technology of big flow waste gas, especially at place
When managing olefines VOCs such as tetrachloro-ethylenes etc. more effectively, but for many harmful aromatic series organic exhaust gas clean-up effect simultaneously
It is undesirable.With increasing for magnitude of voltage is applied, the purifying rate of the specific pernicious gas such as benzene can be improved；But meanwhile, by
Stable CO is decomposed in plasma energy2Etc. reason, the generation of a variety of unfavorable intermediate by-products can be caused.With the propulsion of reaction,
These intermediate by-products, which mutually react, will also consume part energy, influence the raising of specific cleaning harmful gas rate.For
Reduction accessory substance, makes degraded more thorough, the intensity of plasma reaction needs to tend to be gentle, but this will certainly make plasma anti-again
Should be unstable, and decline the purifying rate of waste gas.And introduce photochemical catalyst and be combined with plasma reaction, it can effectively solve this
Contradiction.Though photocatalysis is relatively low for the degradation rate of many hard-degraded substances, it aoxidize ratio more thoroughly, and can by etc.
Many intermediate by-products that ionic reaction is produced are degraded to CO2。
To sum up, plasma purification is combined with photocatalysis can both strengthen light-catalysed ability, can improve again
The completeness of ionic reaction, meanwhile, also contribute to the utilization rate of the energy.
According to air cleaning unit of the present utility model, as shown in Figures 2 and 3, the air cleaning unit air inlet 1 is two
Individual circular configuration, gas outlet 3 is reticular pattern structure.
Discharge reactor is electrode module 4, as shown in Figure 4 and Figure 5, and electrode module 4 is by electrode framework 7, the and of sparking electrode 8
Electric-field enhancing element 9 is constituted, wherein, sparking electrode 8 is three, and electric-field enhancing element 9 is four, and is all evenly arranged in electrode
On framework 7.
Photocatalysis apparatus includes photocatalysis layer 5, and photocatalysis layer 5 is made up of catalysis material；
Photocatalysis layer 5 is positioned over photocatalysis layer 5 in the region of discharge of electrode module 4, the present embodiment and is arranged at electrode
The top of module 4.Discharge reactor is frame structure, and sparking electrode is zigzag, and photocatalysis layer is difficult attached thereto；Light
Catalytic Layer can be positioned over other positions, be put in region of discharge.
The lower section of electrode module 4 is provided with dust collecting trough 6, can be with collection and purification unit Deposited particulate matter, periodically to dust collecting trough
Cleaned, be easy to cleaning.
Electrode module 4 and photocatalysis layer 5 be arranged in parallel with gas distribution channel.Electrode module is frame structure, be for
It is easy to the fixation of sparking electrode, photocatalysis layer is placed on the top of discharge reactor, allows for convenient installation, reduce windage,
And photocatalysis is into the pollution of the dust for being difficult to be settled etc..This two kinds are set so that " electrode module and photocatalysis layer and gas stream
Road is parallel all ".
According to air cleaning unit of the present utility model, the preferred zigzag electrode of sparking electrode 8, electric-field enhancing element 9 is excellent
Select the preferred nano-TiO of catalysis material in barium titanate ceramics part, photocatalysis layer 52Coating.Wherein, barium titanate ceramics part can be carried
High electric-field intensity, for the ultraviolet ray intensity in increase system, so that the effect of photocatalysis layer is played, so as to eliminate extra add
If ultraviolet source, reach reduction energy consumption purpose.
Air cleaning unit of the present utility model has greatly played the advantage of lower temperature plasma technology, improves light and urges
The catalytic effect and service life of agent, reduce unnecessary cleaning procedure, it is achieved thereby that operation and maintenance cost it is effective
Reduction.
The air purification method of the utility model air cleaning unit, this method includes：
(1) lower temperature plasma technology is used to remove the particulate matters such as the dust in air to be clean；
(2) lower temperature plasma technology is used in combination with photocatalysis technology, adds in electric-field enhancing element, enhancing system
Ultraviolet ray intensity, is oxidized to carbon dioxide and water, and kill germ by the gaseous contaminant in air.
Air cleaning unit of the present utility model and method may apply to the track train with air-cleaning function and lead to
In wind system.According to application of the present utility model, the utility model air cleaning unit can match somebody with somebody with track train ventilating system
Conjunction is used, and the air after ventilating system prefiltration, which enters in the utility model device, to be purified, and is eliminated blower fan and must be regularly replaced
Filtering absorption consumptive material, reduce energy consumption and cost, add electric-field enhancing element, optimize lower temperature plasma technology and light
The application limitation of catalysis technique, has reached the purpose of efficient removal air in a car compartment pollutant.
Embodiment 2：
A kind of ventilating system, including air cleaning unit as described in Example 1.
Embodiment 3：
A kind of track train, including ventilating system as described in Example 2.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (10)
1. a kind of air cleaning unit, it is characterized in that, including clean unit, the clean unit both sides are respectively with air inlet and going out
Gas port is connected；The clean unit is formed by the multiple cleaning modules concatenation being arranged side by side, and it is anti-that the cleaning module includes electric discharge
Answer device, the region of discharge of the discharge reactor sets photocatalysis apparatus, discharge reactor electric discharge produce low temperature plasma with
Photocatalysis synergy, purified treatment passes through the contaminated air of cleaning module.
2. air cleaning unit as claimed in claim 1, it is characterized in that, the discharge reactor includes sparking electrode, described
Sparking electrode is fixed on electrode framework.
3. air cleaning unit as claimed in claim 2, it is characterized in that, electric-field enhancing is also fixedly installed on the electrode framework
Element.
4. air cleaning unit as claimed in claim 2, it is characterized in that, the sparking electrode is zigzag electrode, the electricity
It is parallel on the framework of pole to lay multiple zigzag electrodes.
5. air cleaning unit as claimed in claim 1, it is characterized in that, the photocatalysis apparatus includes photocatalysis layer, described
Photocatalysis layer is made up of catalysis material；The photocatalysis layer is arranged at the top of discharge reactor.
6. air cleaning unit as claimed in claim 1, it is characterized in that, it is provided with dust collecting trough below the discharge reactor；
The air inlet includes multiple circular hole structures；The gas outlet is reticular pattern structure.
7. the air cleaning unit as described in claim 1 or 6, it is characterized in that, the clean unit is arranged in casing, described
Power module is set in casing, and power module provides voltage for discharge reactor；The casing both sides are obliquely installed, air inlet
The both sides of casing are separately positioned on gas outlet.
8. air cleaning unit as claimed in claim 1, it is characterized in that, the discharge reactor and photocatalysis apparatus are and gas
Body distribution channel be arranged in parallel.
9. a kind of ventilating system, it is characterized in that, including the air cleaning unit as described in claim any one of 1-8.
10. a kind of track train, it is characterized in that, including ventilating system as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365667.2U CN206334516U (en) | 2016-12-13 | 2016-12-13 | A kind of air cleaning unit and ventilating system and track train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621365667.2U CN206334516U (en) | 2016-12-13 | 2016-12-13 | A kind of air cleaning unit and ventilating system and track train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206334516U true CN206334516U (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621365667.2U Active CN206334516U (en) | 2016-12-13 | 2016-12-13 | A kind of air cleaning unit and ventilating system and track train |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474892A (en) * | 2016-12-13 | 2017-03-08 | 山东中车华腾环保科技有限公司 | A kind of air cleaning unit and ventilating system and track train |
-
2016
- 2016-12-13 CN CN201621365667.2U patent/CN206334516U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106474892A (en) * | 2016-12-13 | 2017-03-08 | 山东中车华腾环保科技有限公司 | A kind of air cleaning unit and ventilating system and track train |
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| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 250101 No. 3666 Century Avenue, hi tech Zone, Shandong, Ji'nan Patentee after: SHANDONG CRRC HUATENG ENVIRONMENT Co.,Ltd. Address before: Room 250101 A401 of Shandong province science and Technology Park of Ji'nan high tech Zone Shun Road No. 750 University Patentee before: SHANDONG CRRC HUATENG ENVIRONMENT Co.,Ltd. |
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| CP02 | Change in the address of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230329 Address after: 215557 Zhengwen Road, Yushan High-tech Industrial Park, Changshu, Suzhou, Jiangsu Province Patentee after: Jiangsu CRRC Huateng Environmental Protection Technology Co.,Ltd. Address before: 250101 No. 3666 Century Avenue, Jinan High-tech Zone, Shandong Province Patentee before: SHANDONG CRRC HUATENG ENVIRONMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |