CN202560352U - Device for ultraviolet-based oxidative decomposition of pollutant in internal combustion engine exhaust gas - Google Patents
Device for ultraviolet-based oxidative decomposition of pollutant in internal combustion engine exhaust gas Download PDFInfo
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- CN202560352U CN202560352U CN2012201406606U CN201220140660U CN202560352U CN 202560352 U CN202560352 U CN 202560352U CN 2012201406606 U CN2012201406606 U CN 2012201406606U CN 201220140660 U CN201220140660 U CN 201220140660U CN 202560352 U CN202560352 U CN 202560352U
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- 238000006864 oxidative decomposition reaction Methods 0.000 title abstract 3
- 230000005855 radiation Effects 0.000 claims abstract description 18
- 238000007146 photocatalysis Methods 0.000 claims description 25
- 230000001699 photocatalysis Effects 0.000 claims description 25
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- 238000000034 method Methods 0.000 claims description 9
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- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000000354 decomposition reaction Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 abstract description 8
- 230000003197 catalytic effect Effects 0.000 abstract description 7
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 238000006479 redox reaction Methods 0.000 abstract description 5
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- 239000013618 particulate matter Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000008188 pellet Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 208000006673 asthma Diseases 0.000 description 1
- 210000000621 bronchi Anatomy 0.000 description 1
- 206010006451 bronchitis Diseases 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
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- 210000004072 lung Anatomy 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
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- 150000002736 metal compounds Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
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- 231100000252 nontoxic Toxicity 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- -1 oxynitrides Chemical compound 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012629 purifying agent Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- 230000000241 respiratory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to a device for ultraviolet-based oxidative decomposition of pollutants in internal combustion engine exhaust gas. The exhaust system of an internal combustion engine is provided therein with at least an ultraviolet radiation region for passing of internal combustion engine exhaust gas. At least an ultraviolet radiation source with a wavelength of 126-400 nm is arranged at the center of the ultraviolet radiation region. The radiation source is provided at the periphery with a passage surrounding the radiation source and allowing passing of the internal combustion engine exhaust gas. The ultraviolet radiation region has at least one end provided with at least a photocatalyst mesh for passing of the internal combustion engine exhaust gas, to allow ultraviolet to get involved in oxidative decomposition of pollutants in internal combustion engine exhaust gas. The device provided by the utility model can decompose and purify particles exhausted from the internal combustion engine, improve the catalytic redox reaction of three-way catalytic converters, prevents the particle discharge of the internal combustion engine, purifies the harmful substances in the tail gas and reduces the environmental pollution.
Description
Technical field
The utility model belongs to the device that a kind of ultraviolet is got involved pollutant in the oxidation Decomposition exhaust emissions from internal combustion engines.
Background technique
As everyone knows, the negative product discharging of fuel oil behind combustion in IC engine is one of environmentally hazardous principal element.The certificate measuring and calculating internal-combustion engine transformation of energy portion of doing leads and only accounts for 38% of combustion value, and remaining part is 33% exhaust loss, 29% cooling loss.In exhaust process, it is burning negative reaction product that suitable composition is arranged, and comprising: carbon monoxide, hydrocarbon, oxynitrides, sulfur dioxide, smokeshade (some heavy metal compound, lead compound, black smoke and mist of oil), formaldehyde etc.The internal combustion engine tail gas discharge harmful gas, and the particulate matter of harmful gas is to cause one of the pellet of environmental pollution and principal element of overall suspended pellet.The suspending particulate matter of unit of measurement PM2.5 is maximum to human harm; The physiological structure of human body has determined that the pellet of PM2.5 is had no filtration, obstruction ability; And the pellet of PM2.5 is to the harm of the human health progress along with medical technology; Progressively expose its terrified one side, it can directly get into bronchus after being inhaled into human body, disturbs the gas exchange of lung; Cause the disease that comprises aspects such as asthma, bronchitis and cardiovascular disease, can cause people's mean lifetime to reduce 8.6 months.Also can become the carrier of virus and bacterium, for the propagation of respiratory infectious disease is added fuel to the flames.In air quality standard is all listed PM2.5 by the Japan in main in the world at present developed country and Asia, Thailand, India etc.The World Health Organization (WHO) thinks that PM2.5 is safety values less than 10, and the area that global PM2.5 is the highest is whole with North China, East China, Central China of China in north African.
At present, both at home and abroad engine exhaust tail gas such as automobile also stops and only uses ternary catalyzing unit as the emission purification device.Though ternary catalyzing unit is mounted in most important purification plant in the internal combustion engine exhaust system, it can change the harmful gases such as CO, HC and NOx that exhaust gases of internal combustion engines is discharged into harmless carbon dioxide, water and nitrogen through oxidation and reduction.Ternary catalyzing unit is installed in the internal-combustion engine vent-pipe, and through redox reaction, carbon dioxide and nitrogen are so be referred to as ternary (effect) catalytic converter again.The working principle of ternary catalyzing unit is: when the exhaust gases of internal combustion engines of high temperature passes through purification plant; Purifying agent in the ternary catalyzing unit will strengthen the activity of CO, HC and three kinds of gases of NOx; Impel it to carry out certain OR chemical reaction, wherein CO at high temperature is oxidized into colourless, nontoxic carbon dioxide; The HC compound at high temperature is oxidized to water (H20) and carbon dioxide; NOx is reduced into nitrogen and oxygen.Three kinds of harmful gases become innocuous gas, and exhaust gases of internal combustion engines is purified.
But ternary catalyzing unit is limited for the catharsis of exhaust gases of internal combustion engines, and ternary catalyzing unit can only be simultaneously mainly contains harmful substances and is converted into innoxious substance above-mentioned three kinds in the waste gas.But its purification to the particulate matter in the exhaust gases of internal combustion engines has no effect, ternary catalyzing unit can not purification of exhaust gases of internal combustion engines deleterious particle thing in the discharging, need other method to solve processing.
Summary of the invention
The purpose of the utility model is the device that a kind of ultraviolet of design is got involved pollutant in the oxidation Decomposition exhaust emissions from internal combustion engines; The particulate matter that this device ability decomposing, purifying engine exhaust comes out; Increase the catalytic oxidation-reduction reaction of ternary catalyzing unit; The solution internal-combustion engine is granular material discharged, and the cleaning of off-gas harmful substance reduces environmental pollution.
For this reason, the device of the utility model mainly is made up of photo catalysis net and UV-irradiation light source, in internal combustion engine exhaust system, establishes the UV-irradiation district that at least one supplies the exhaust emissions from internal combustion engines process; This UV-irradiation district center is provided with the UV-irradiation light source that at least one wavelength is 126～400nm, and this radiation source periphery is provided with and surrounds this radiation source and make the passage that exhaust emissions from internal combustion engines is able to pass through; At least one end in UV-irradiation district is established at least one photo catalysis net that supplies the exhaust emissions from internal combustion engines process.Described device comprises the housing of a tubulose; Housing is serially connected in the pipeline of exhaust emissions from internal combustion engines; The UV-irradiation light source that it is 126～400nm that the interior center of housing is provided with a wavelength is provided with at least one and laterally blocks the photo catalysis net of establishing space in this housing in the housing of at least one end of radiation source.Respectively be provided with at least one in the housing at the two ends of described radiation source and laterally block the photo catalysis net of establishing space in this housing.Described housing two end part are provided with the photo catalysis network interface card groove that supplies the photo catalysis network interface card to establish, and photo catalysis network interface card groove is the draw-in groove of band opening, and the opening portion of this draw-in groove is provided with Ka Gai.Described housing is serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit front end, or is serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit rear end, or is serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit front-end and back-end.
The said structure design has realized the purpose of the utility model.
The utility model has the advantages that the particulate matter that this device ability decomposing, purifying engine exhaust comes out, increase the catalytic oxidation-reduction reaction of ternary catalyzing unit, it is granular material discharged to solve internal-combustion engine, and the cleaning of off-gas harmful substance reduces environmental pollution.
The working mechanism of the utility model: scribble nano level TiO
2The photo catalysis net be under the irradiation of ultraviolet of 126～400nm at wavelength, produce electron hole pair owing to having absorbed luminous energy.These holes can migrate to the surface rapidly to (photocarrier), and activate the H of its surface attachment
2O and O
2And produce hydroxy (OH) and active oxygen (O).And the extremely strong material of these two kinds of oxidability is understood rapidly and the hydrocarbon reaction of the macromolecule of catalyst surface attachment, generates harmless CO
2And water.After the engine exhaust gas that contains harmful particulate matter passes through the UV-irradiation district; This photo catalysis net can effectively decompose the exhaust gas particle that internal-combustion engine is discharged; Ultraviolet can also activate the ability of the catalyzer of ternary catalyzing unit simultaneously; Strengthened its catalytic oxidation efficient, the internal combustion engine tail gas discharge harmful substance is reduced in a large number.According to test the utility model the internal combustion engine tail gas discharge harmful substance is reduced in a large number; Emission standard reaches Europe IV standard; The similar automobile of the utility model is housed, and under equal test condition, each item index optimization of exhaust emissions that ternary catalyzing unit more only is housed is more than 80%.
Description of drawings
Fig. 1 is the structural representation of the utility model device.
Fig. 2 is the user mode structural representation of the utility model device.
Embodiment
As depicted in figs. 1 and 2, a kind of ultraviolet is got involved the device of pollutant in the oxidation Decomposition exhaust emissions from internal combustion engines, mainly is made up of photo catalysis net 4 and 7 of UV-irradiation light sources.In internal combustion engine exhaust system, establish the UV-irradiation district 5 that at least one supplies internal-combustion engine 10 discharging waste gas processes.This UV-irradiation district center is provided with the UV-irradiation light source that at least one wavelength is 126～400nm.This radiation source periphery is provided with and surrounds this radiation source and make the passage that exhaust emissions from internal combustion engines is able to pass through.At least one end in UV-irradiation district is established at least one photo catalysis net that supplies the exhaust emissions from internal combustion engines process.
Described device comprises the housing 2 of a tubulose, and housing is serially connected in the pipeline 9 of exhaust emissions from internal combustion engines.The UV-irradiation light source that it is 126～400nm that the interior center of housing is provided with a wavelength is provided with at least one and laterally blocks the photo catalysis net of establishing space in this housing in the housing of at least one end of radiation source.The wavelength of described UV-irradiation light source is 220～350nm.
Obviously, also can in the housing at the two ends of radiation source, respectively be provided with at least one and laterally block the photo catalysis net of establishing space in this housing.
Described housing two end part are provided with the photo catalysis network interface card groove 3 that supplies the photo catalysis network interface card to establish; Photo catalysis network interface card groove is the draw-in groove of band opening; The opening portion of this draw-in groove is provided with card lid 8; Ka Gai is coupling through the draw-in groove wall of hinge 1 with opening portion one side, with convenient this opening portion that opens and closes, is used for changing or clear light catalyst net.
Described housing is serially connected in the pipeline of internal-combustion engine 10 discharging waste gas of ternary catalyzing unit front end; Or be serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit 11 rear ends, or be serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit front-end and back-end.The latter is best.Theoretically, serial connection the utility model device can be 2～4 in the pipeline of exhaust emissions from internal combustion engines.
The UV-irradiation light source provides electric energy by the Vehicular accumulator cell group, provides the Vehicular accumulator cell group lead of electric energy and interlock circuit all to join through outlet on the housing 6 and UV-irradiation light source.
The photo catalysis net is the one deck that scribbles catalyzer, or 2～4 layers, with the grid that exotic material is processed, be structure as a whole.Catalyzer comprises multiple oxide and sulphide such as titanium oxide, titanium dioxide, zirconia, Cadmium Sulfide.
During use, the waste gas that engine exhaust goes out is at least one photo catalysis net of the UV-irradiation light source irradiation of 126～400nm via wavelength in pipeline, again through the UV-irradiation district, gets into ternary catalyzing unit again, in the exhaust emission tube road after the purification.
In a word, the particulate matter that the utility model ability decomposing, purifying engine exhaust comes out increases the catalytic oxidation-reduction reaction of ternary catalyzing unit, and it is granular material discharged to solve internal-combustion engine, and the cleaning of off-gas harmful substance reduces environmental pollution, can promote the use of.
Claims (6)
1. a ultraviolet is got involved the device of pollutant in the oxidation Decomposition exhaust emissions from internal combustion engines, and main photo catalysis net and UV-irradiation light source are formed, and it is characterized in that:
In internal combustion engine exhaust system, establish the UV-irradiation district that at least one supplies the exhaust emissions from internal combustion engines process;
This UV-irradiation district center is provided with the UV-irradiation light source that at least one wavelength is 126～400nm, and this radiation source periphery is provided with and surrounds this radiation source and make the passage that exhaust emissions from internal combustion engines is able to pass through;
At least one end in UV-irradiation district is established at least one photo catalysis net that supplies the exhaust emissions from internal combustion engines process.
2. by the described device of claim 1; It is characterized in that: described device comprises the housing of a tubulose; Housing is serially connected in the pipeline of exhaust emissions from internal combustion engines; The UV-irradiation light source that it is 126～400nm that the interior center of housing is provided with a wavelength is provided with at least one and laterally blocks the photo catalysis net of establishing space in this housing in the housing of at least one end of radiation source.
3. by claim 1 or 2 described devices, it is characterized in that: the wavelength of described UV-irradiation light source is 220～350nm.
4. by the described device of claim 2, it is characterized in that: respectively be provided with at least one in the housing at the two ends of described radiation source and laterally block the photo catalysis net of establishing space in this housing.
5. by claim 2 or 4 described devices, it is characterized in that: described housing two end part are provided with the photo catalysis network interface card groove that supplies the photo catalysis network interface card to establish, and photo catalysis network interface card groove is the draw-in groove of band opening, and the opening portion of this draw-in groove is provided with Ka Gai.
6. by claim 2 or 4 or 5 described devices; It is characterized in that: described housing is serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit front end; Or be serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit rear end, or be serially connected in the pipeline of exhaust emissions from internal combustion engines of ternary catalyzing unit front-end and back-end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201406606U CN202560352U (en) | 2012-04-06 | 2012-04-06 | Device for ultraviolet-based oxidative decomposition of pollutant in internal combustion engine exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201406606U CN202560352U (en) | 2012-04-06 | 2012-04-06 | Device for ultraviolet-based oxidative decomposition of pollutant in internal combustion engine exhaust gas |
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| Publication Number | Publication Date |
|---|---|
| CN202560352U true CN202560352U (en) | 2012-11-28 |
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| CN2012201406606U Expired - Fee Related CN202560352U (en) | 2012-04-06 | 2012-04-06 | Device for ultraviolet-based oxidative decomposition of pollutant in internal combustion engine exhaust gas |
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| CN (1) | CN202560352U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619598A (en) * | 2012-04-06 | 2012-08-01 | 杨德利 | Method and device for oxidatively decomposing pollutants in exhaust gases emitted by internal combustion engine with intervention of ultraviolet light |
| CN107313836A (en) * | 2017-08-22 | 2017-11-03 | 芜湖恒耀汽车零部件有限公司 | A kind of catalytic reactor of automobile tail gas exhaust device |
| CN107313841A (en) * | 2017-08-22 | 2017-11-03 | 芜湖恒耀汽车零部件有限公司 | A kind of processing method of the catalytic reactor of automobile tail gas exhaust device |
| CN112228190A (en) * | 2020-10-16 | 2021-01-15 | 贵州黔鳌信息技术有限公司 | Economical three-way catalytic converter for photocatalyst type vehicle |
| CN112253289A (en) * | 2020-10-16 | 2021-01-22 | 贵州黔鳌信息技术有限公司 | Self-luminous photocatalyst structure for vehicle-mounted three-way catalyst and manufacturing method thereof |
-
2012
- 2012-04-06 CN CN2012201406606U patent/CN202560352U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619598A (en) * | 2012-04-06 | 2012-08-01 | 杨德利 | Method and device for oxidatively decomposing pollutants in exhaust gases emitted by internal combustion engine with intervention of ultraviolet light |
| CN107313836A (en) * | 2017-08-22 | 2017-11-03 | 芜湖恒耀汽车零部件有限公司 | A kind of catalytic reactor of automobile tail gas exhaust device |
| CN107313841A (en) * | 2017-08-22 | 2017-11-03 | 芜湖恒耀汽车零部件有限公司 | A kind of processing method of the catalytic reactor of automobile tail gas exhaust device |
| CN112228190A (en) * | 2020-10-16 | 2021-01-15 | 贵州黔鳌信息技术有限公司 | Economical three-way catalytic converter for photocatalyst type vehicle |
| CN112253289A (en) * | 2020-10-16 | 2021-01-22 | 贵州黔鳌信息技术有限公司 | Self-luminous photocatalyst structure for vehicle-mounted three-way catalyst and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING PENGDONG TAIKE ENVIRONMENTAL PROTECTION TE Free format text: FORMER OWNER: YANG DELI Effective date: 20140716 Free format text: FORMER OWNER: ZHANG LIXIN WANG YAN Effective date: 20140716 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140716 Address after: 100042 Beijing City, Shijingshan District City West No. 19 R & D and production of building E south 2 layer Patentee after: BEIJING PENGDONGTAIKE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 100042 Beijing City, Shijingshan District Takai No. 32 Patentee before: Yang Deli Patentee before: Zhang Lixin Patentee before: Wang Yan |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20190406 |
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| CF01 | Termination of patent right due to non-payment of annual fee |