CN108854517A - A kind of Vehicular heating catalytic decomposition type air cleaning unit - Google Patents
A kind of Vehicular heating catalytic decomposition type air cleaning unit Download PDFInfo
- Publication number
- CN108854517A CN108854517A CN201810552607.9A CN201810552607A CN108854517A CN 108854517 A CN108854517 A CN 108854517A CN 201810552607 A CN201810552607 A CN 201810552607A CN 108854517 A CN108854517 A CN 108854517A
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- heat
- cleaning unit
- pipe
- air cleaning
- air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
The present invention relates to a kind of Vehicular heating catalytic decomposition type air cleaning units, heat exchanger tube interconnected (12) and hollow radial turbulent flow type catalytic reactor are equipped with including air inlet pipe (2), air pump (3) and heat-insulated pipe (9), inside the heat-insulated pipe (9)；The heat exchanger tube (12) is connect with air pump (3)；Air enters the air cleaning unit by air inlet pipe (2), it is preheated at heat exchanger tube (12), and the volatile organic contaminant in air is catalytically decomposed in hollow radial turbulent flow type catalytic reactor, then pure air is flowed out from the exit of heat-insulated pipe (9).Compared with prior art, the present invention has many advantages, such as that catalytic degradation efficiency is high, heat utilization rate is high, exit flow temperature is low and vapour lock is small.
Description
Technical field
The present invention relates to a kind of air cleaning units, are filled more particularly, to a kind of with the air cleaning of heatable catalytic breakdown type
It sets.
Background technique
Interior volatile organic matter pollution is the pollutant that main type is polluted in compartment, and source includes automobile interior decoration structure
Part distributes, is exogenously introduced and reacts generation, and substance classes include formaldehyde, acetaldehyde, ether, benzene,toluene,xylene, trimethylbenzene, chlorine
For benzene etc..The main path for removing interior volatile organic matter at present includes two kinds of absorption and reaction.Absorption method can not be eradicated
VOCs, it is also easy to produce secondary pollution, and takes often replacement adsorption element.Photocatalytic method in reaction method is swashed with ultraviolet or visible light
Hair catalyst generates free radicals, to remove volatile organic matter, but its reaction efficiency is low, not can be removed general auto-pollution grade
Other low level of voltile organic matter.That there are negative oxygen ion generation rates is low for negative oxygen ion reaction method in reaction method, the service life is short
Problem, and a large amount of ozone and negative Nitrogen ion by-product are easy to produce, cause serious secondary pollution.
The development of catalysis technique at present provides a kind of new route, thermocatalytic degradation for the degradation of organic pollutant in air
Method can efficiently remove the VOCs in air, but the pure air temperature being often discharged is higher, be unfavorable for interior temperature control
System and thermal energy effective use, and windage is larger.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of Vehicular heatings to be catalyzed
Breakdown type air cleaning unit.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of Vehicular heating catalytic decomposition type air cleaning unit, including air inlet pipe, air pump and heat-insulated pipe, the insulation
Heat exchanger tube interconnected and hollow radial turbulent flow type catalytic reactor are equipped with inside pipe；The heat exchanger tube is connect with air pump；
Air enters the air cleaning unit by air inlet pipe, preheats at heat exchanger tube, and in hollow radial turbulent flow type catalytic reactor
Then catalytic decomposition is flowed out from the exit of heat-insulated pipe.
Further, the described hollow radial turbulent flow type catalytic reactor include internal layer hollow heating wire helix tube,
The ventilating porous pipe of outer layer, and the catalyst layer being filled between internal layer and outer layer.
Further, the heating wire helix tube is wound in the shape of a spiral by heating wire is constituted, into heating wire helix tube
Interior air is after electric heating heats, by the gap radial diffusion between each spiral heating wire to catalyst layer, after catalytic decomposition,
Organic pollutant degradation in air is CO2And water, it is flowed out later from ventilating porous pipe, then flow to exit along insulation inside pipe wall
Outflow.
Further, the end element conneccting a and connector b of the heating wire helix tube are respectively arranged on heating wire helix tube
The outlet at both ends, the entrance and heat exchanger tube of heating wire helix tube inner hollow cavity connects.
It is equipped with 4 support bars between the ventilating porous pipe and heat-insulated pipe, there is ventilating porous pipe and heat-insulated pipe solid
Fixed gap, in order to which air enters heat-insulated pipe from ventilating porous pipe.The support bar is crossing distribution, and " ten " word intersection point exists
On the axis of heat-insulated pipe, support bar is rectangle heat resistant plastice item, and length is identical as ventilating porous pipe pipe range.The heat-insulated pipe
The gap 2~20mm is equipped between ventilating porous pipe.The heat-insulated pipe is hollow pipe closed at one end open at one end, opening
End connects the air cleaning unit side wall, and the open end is the gas outlet of air cleaning unit, the heat exchanger tube
The open end of heat-insulated pipe is set, and the closed end of heat-insulated pipe is arranged in hollow radial direction turbulent flow type catalytic reactor.Described is hollow
The both ends of radial turbulent flow type catalytic reactor are respectively equipped with porcelain end socket a and porcelain end socket b, with the multilayer knot in this fixed reactor
Structure.
Heat exchanger helical piece is equipped with outside the heat exchanger tube, heat exchanger tube inner air and the high temperature of reactor out are clean empty
Gas countercurrent heat exchange causes the air in heat exchanger tube just to be preheated before flowing into hollow radial turbulent flow type catalytic reactor, and
Outlet pipe air is set to be cooled down.
Described air cleaning unit further includes electric-controlled plate, electric-controlled plate and heating wire helix tube, heat exchanger helical piece, gas
Pump connection, forms real-time feedback regulation, electric-controlled plate can be according to process control heating wire helix tube, the heat exchanger helical set
The operation power and operation period of piece, air pump；It is equipped with and subtracts between the shell of the air cleaning unit and the contact surface of air pump
Shake pad；The heat-insulated pipe periphery is coated with heat-insulating material.
Compared with prior art, the present invention realizes catalyst layer branch with hollow radial turbulent flow type catalytic reactor simultaneously
The heatable catalytic of support, the radial diffusion of reaction gas flow and volatile organic matter, reaction effect are good；The design of heat exchanger can control out
A part of heat is recycled while gas temperature rise, drops low consumed electrical power, so that whole improve the thermal efficiency；What is be discharged is new
Fresh air themperature is lower, is conducive to interior temperature control；Porting is diagonally distributed, and improves gas circulation, so that in device
Gas flow resistance is small, and device is compact, occupies little space.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Vehicular heating catalytic decomposition type air cleaning unit in the present invention；
Fig. 2 is the structural schematic diagram of hollow radial turbulent flow type catalytic reactor in the present invention.
In figure：1, electric-controlled plate, 2, air inlet pipe, 3, air pump, 4, heating wire helix tube, 51, end element conneccting a, 52, heating wire
Connector b, 6, catalyst layer, 7, ventilating porous pipe, 81, porcelain end socket a, 82, porcelain end socket b, 9, heat-insulated pipe, 10, heat exchanger helical piece,
11, support bar, 12, heat exchanger tube, 13 gaps.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
A kind of Vehicular heating catalytic decomposition type air cleaning unit, such as Fig. 1, including air inlet pipe 2, air pump 3 and heat-insulated pipe 9,
Heat exchanger tube 12 interconnected and hollow radial turbulent flow type catalytic reactor are equipped with inside heat-insulated pipe 9；Heat exchanger tube 12 and air pump 3 connect
It connects；Air, which enters in hollow radial turbulent flow type catalytic reactor, to be catalytically decomposed, and is then flowed out from the exit of heat-insulated pipe 9.
Hollow radial direction turbulent flow type catalytic reactor：Such as Fig. 2, hollow heating wire helix tube 4, outer layer including internal layer it is saturating
Gas antipriming pipe 7, and the catalyst layer 6 being filled between internal layer and outer layer.Heating wire helix tube 4 is twined in the shape of a spiral by heating wire
Around composition.The end element conneccting a 51 and connector b 52 of heating wire helix tube 4 are respectively arranged on the both ends of heating wire helix tube 4, electricity
The entrance of 4 inner hollow cavity of heated filament helix tube is connect with the outlet of heat exchanger tube 12.It is set between ventilating porous pipe 7 and heat-insulated pipe 9
There are 4 support bars, makes ventilating porous pipe 7 and heat-insulated pipe 9 that there is fixed interval (FI), in order to which air enters insulation from ventilating porous pipe
Pipe.The support bar is crossing distribution, and for " ten " word intersection point on the axis of heat-insulated pipe, support bar is rectangle heat resistant plastice
Item, length are identical as ventilating porous pipe pipe range.The gap 2~20mm 13 is equipped between heat-insulated pipe 9 and ventilating porous pipe 7.Heat-insulated pipe
9 be hollow pipe closed at one end open at one end, and open end connects the air cleaning unit side wall, and the open end is air
The open end of heat-insulated pipe 9 is arranged in the gas outlet of purification device, heat exchanger tube 12, and hollow radial direction turbulent flow type catalytic reactor is set
It sets in the closed end of heat-insulated pipe 9.Heat exchanger helical piece 10 is equipped with outside heat exchanger tube 12.
The both ends of hollow radial direction turbulent flow type catalytic reactor are respectively equipped with porcelain end socket a 81 and porcelain end socket b 82 such as Fig. 1, with
Multilayered structure in this fixed reactor.The air cleaning unit further includes electric-controlled plate 1；The shell and air pump of air cleaning unit
Resilient cushion is equipped between 3 contact surface；9 periphery of heat-insulated pipe is coated with heat-insulating material, and body is at runtime without obvious heating.
In use, setting the operation power of control heating wire helix tube 4, heat exchanger helical piece 10, air pump 3 as desired
And operation period, electric-controlled plate 1 are connect with heating wire helix tube 4, heat exchanger helical piece 10, air pump 3, are formed feedback in real time and are adjusted
Section.Air enters the air cleaning unit by air inlet pipe 2, preheats at heat exchanger tube 12, such as Fig. 1, and heat exchanger helical piece 10 rotates
When to the flow direction for driving direction and 12 inner air of heat exchanger tube of air on the contrary, the air at two forms counterflow heat exchange, cause
The air in heat exchanger tube 12 is set just slowly to be heated up before flowing into hollow radial turbulent flow type catalytic reactor.Entering heating wire
Air in helix tube 4, by the gap radial diffusion between each spiral heating wire to catalyst layer 6, is urged after electric heating heats
Change after decomposing, the organic pollutant degradation in air is carbon dioxide and water, is flowed out later from ventilating porous pipe 7, then along insulation
9 inner wall of pipe flow to exit outflow.Benzene≤0.11mg/m in the fresh air of discharge3, toluene≤1.10mg/m3, dimethylbenzene≤
1.50mg/m3, ethylbenzene≤1.50mg/m3, styrene≤0.26mg/m3, formaldehyde≤0.10mg/m3, acetaldehyde≤0.05mg/m3, third
Olefine aldehydr≤0.055mg/m3。
Claims (10)
1. a kind of Vehicular heating catalytic decomposition type air cleaning unit, which is characterized in that including air inlet pipe (2), air pump (3) and absolutely
Heat pipe (9), the heat-insulated pipe (9) is internal to be equipped with heat exchanger tube interconnected (12) and hollow radial turbulent flow type catalysis reaction
Device；The heat exchanger tube (12) is connect with air pump (3)；Air enters the air cleaning unit by air inlet pipe (2), in heat exchanger tube
(12) it preheats at, and the volatile organic contaminant in air is catalytically decomposed in hollow radial turbulent flow type catalytic reactor,
Then pure air is flowed out from the exit of heat-insulated pipe (9).
2. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 1, which is characterized in that described
Hollow radial direction turbulent flow type catalytic reactor includes the ventilating porous pipe (7) of the hollow heating wire helix tube (4) of internal layer, outer layer,
And it is filled in the catalyst layer (6) between internal layer and outer layer.
3. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 2, which is characterized in that described
Heating wire helix tube (4) is wound in the shape of a spiral by heating wire to be constituted, and is added into the air in heating wire helix tube (4) through heating wire
Volatile organic contaminant after heat, by the gap radial diffusion between each spiral heating wire to catalyst layer (6), in air
After being catalytically decomposed, pure air is flowed out from ventilating porous pipe (7), then is flow to exit along heat-insulated pipe (9) inner wall and flowed out.
4. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 3, which is characterized in that described
The end element conneccting a (51) of heating wire helix tube (4) and connector b (52) are respectively arranged on the both ends of heating wire helix tube (4), heat exchange
The outlet of pipe (12) is connect with the entrance of heating wire helix tube (4) inner hollow cavity.
5. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 2, which is characterized in that described
Support bar (11) are equipped between ventilating porous pipe (7) and heat-insulated pipe (9), ventilating porous pipe (7) and heat-insulated pipe (9) is made to keep certain
Gap.
6. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 3, which is characterized in that described
The gap 2~20mm (13) are equipped between heat-insulated pipe (9) and ventilating porous pipe (7).
7. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 1, which is characterized in that described
Heat-insulated pipe (9) is hollow pipe closed at one end open at one end, and open end connects the air cleaning unit side wall, and the opening
End is the gas outlet of air cleaning unit, and the heat exchanger tube (12) is arranged in the open end of heat-insulated pipe (9), hollow radial direction
Turbulent flow type catalytic reactor is arranged in the closed end of heat-insulated pipe (9).
8. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 1 or 2, which is characterized in that institute
The both ends for the hollow radial turbulent flow type catalytic reactor stated are respectively equipped with porcelain end socket a (81) and porcelain end socket b (82).
9. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 1, which is characterized in that described
Heat exchanger helical piece (10) are equipped with outside heat exchanger tube (12).
10. a kind of Vehicular heating catalytic decomposition type air cleaning unit according to claim 1, which is characterized in that described
The air cleaning unit further include electric-controlled plate (1)；Between the contact surface of the shell and air pump (3) of the air cleaning unit
Equipped with resilient cushion；Described heat-insulated pipe (9) periphery is coated with heat-insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552607.9A CN108854517B (en) | 2018-05-31 | 2018-05-31 | Heating catalytic decomposition type air purification device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552607.9A CN108854517B (en) | 2018-05-31 | 2018-05-31 | Heating catalytic decomposition type air purification device for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108854517A true CN108854517A (en) | 2018-11-23 |
| CN108854517B CN108854517B (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810552607.9A Active CN108854517B (en) | 2018-05-31 | 2018-05-31 | Heating catalytic decomposition type air purification device for vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN108854517B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924320A (en) * | 2021-01-25 | 2021-06-08 | 日照公路建设有限公司 | Water content measuring mechanism of automatic raw material sampling equipment |
| CN113719953A (en) * | 2021-10-08 | 2021-11-30 | 杭州科技职业技术学院 | Dehumidification and photo-thermal catalysis synergistic air purification system |
| CN114904386A (en) * | 2021-02-08 | 2022-08-16 | 中国石油化工股份有限公司 | Organic waste gas treatment device and use method thereof |
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| CN1032494A (en) * | 1987-09-21 | 1989-04-26 | 底古萨有限公司 | The catalysis conversion method that contains hydro carbons halogenated hydrocarbon and carbon monoxide waste gas |
| EP1065352A3 (en) * | 1999-06-29 | 2003-07-30 | Sumitomo Electric Industries, Ltd. | Particulate trap for diesel engine |
| CN102160981A (en) * | 2010-02-24 | 2011-08-24 | 杭州林达化工技术工程有限公司 | Catalytic reaction equipment |
| CN102205207A (en) * | 2011-04-11 | 2011-10-05 | 山东理工大学 | Coal mine methane preheating catalytic oxidation device with multiple reaction chambers |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3977833A (en) * | 1972-05-15 | 1976-08-31 | Montecatini Edison S.P.A. | Apparatus for the production of formaldehyde |
| US3920404A (en) * | 1974-09-11 | 1975-11-18 | Ford Motor Co | Catalyst converter |
| CN1032494A (en) * | 1987-09-21 | 1989-04-26 | 底古萨有限公司 | The catalysis conversion method that contains hydro carbons halogenated hydrocarbon and carbon monoxide waste gas |
| EP1065352A3 (en) * | 1999-06-29 | 2003-07-30 | Sumitomo Electric Industries, Ltd. | Particulate trap for diesel engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924320A (en) * | 2021-01-25 | 2021-06-08 | 日照公路建设有限公司 | Water content measuring mechanism of automatic raw material sampling equipment |
| CN114904386A (en) * | 2021-02-08 | 2022-08-16 | 中国石油化工股份有限公司 | Organic waste gas treatment device and use method thereof |
| CN114904386B (en) * | 2021-02-08 | 2023-08-08 | 中国石油化工股份有限公司 | Organic waste gas treatment device and application method thereof |
| CN113719953A (en) * | 2021-10-08 | 2021-11-30 | 杭州科技职业技术学院 | Dehumidification and photo-thermal catalysis synergistic air purification system |
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| CN108854517B (en) | 2021-03-30 |
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