CN207499943U - A kind of engine exhaust gas purification device - Google Patents
A kind of engine exhaust gas purification device Download PDFInfo
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- CN207499943U CN207499943U CN201720705987.6U CN201720705987U CN207499943U CN 207499943 U CN207499943 U CN 207499943U CN 201720705987 U CN201720705987 U CN 201720705987U CN 207499943 U CN207499943 U CN 207499943U
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- China
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- processing unit
- exhaust gas
- engine exhaust
- air processing
- purification device
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- 238000000746 purification Methods 0.000 title claims abstract description 19
- 230000000694 effects Effects 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 230000001590 oxidative effect Effects 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 45
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 13
- 239000004215 Carbon black (E152) Substances 0.000 abstract description 12
- 229930195733 hydrocarbon Natural products 0.000 abstract description 12
- 150000002430 hydrocarbons Chemical class 0.000 abstract description 12
- XOCUXOWLYLLJLV-UHFFFAOYSA-N [O].[S] Chemical compound [O].[S] XOCUXOWLYLLJLV-UHFFFAOYSA-N 0.000 abstract description 7
- 239000010419 fine particle Substances 0.000 abstract description 4
- 230000000505 pernicious effect Effects 0.000 abstract description 4
- 239000000126 substance Substances 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 7
- 239000005022 packaging material Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910004625 Ce—Zr Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- SBLCGFVUYJGJIS-UHFFFAOYSA-N [O-2].[Ca+2].[C+4].[O-2].[O-2] Chemical group [O-2].[Ca+2].[C+4].[O-2].[O-2] SBLCGFVUYJGJIS-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RCFVMJKOEJFGTM-UHFFFAOYSA-N cerium zirconium Chemical compound [Zr].[Ce] RCFVMJKOEJFGTM-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- -1 oxynitrides Chemical compound 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Abstract
The utility model discloses a kind of engine exhaust gas purification devices.The device is including gas inlet pipe, exhaust gas treatment unit integrates and offgas outlet pipe.Exhaust gas treatment unit therein is integrated including CO HC NOXAir processing unit, SOXAir processing unit and fine particulates processing unit.The CO HC NOXAir processing unit is connected with gas inlet pipe, and fine particulates processing unit is connected with offgas outlet pipe, SOXAir processing unit is placed in CO HC NOXBetween air processing unit and fine particulates processing unit.The engine exhaust gas purification device can simultaneously handle together the pernicious gases such as carbon monoxide, hydrocarbon, oxynitrides, the oxygen sulfur compound in exhaust gas, fine particle in exhaust gas can also be removed, clean-up effect is apparent, can realize the environment protection emission of engine exhaust.The utility model it is ingenious in design, it is simple in structure, it is easy to spread.
Description
Technical field
The utility model is related to engine exhaust purifying fields more particularly to a kind of composite engine waste gas purification to fill
It puts.
Background technology
With the development of human society, the use of engine is growing day by day, there is unburned volatility in engine exhaust
Machine object (HC), burn incompletely and the carbon monoxide (CO) generated, the oxynitrides being converted under high excess oxygen
(NOX), oxygen sulfur compound (SOX), the discharges of the harmful substances such as fine particulates (PM) be also on the rise, haze weather often goes out
Existing, air quality is constantly deteriorated, and daily life is affected, and health is on the hazard.
HC, CO, the NO contained in engine exhaustX、SOX, harmful substances, volatile organic matter (HC) and the nitrogen oxidation such as PM
Close object (NOX) ozone can be generated under strong light action, the ozone of strong oxidizing property can become photochemical fog, and oxygen sulfur compound is acid
The main source of mist.Chemical fumes, acid mist and fine particulates (PM) pollution air, generate greenhouse effects, destroy ozone layer, shape
Into haze.
Haze is administered, the whole world is launched an attack.It is done to reduce pollution of the harmful substance to air, technical staff in engine exhaust
Many effort.CN100396363C, CN101773830A are reported using alumina load cerium zirconium sosoloid as carrier, with
Pd is the three-way catalyst Pd/Ce-Zr/Al of active component2O3, three-way catalyst is widely used in motor exhaust（Particularly vapour
Car engine tail gas）Be converted reduce CO, HC and NOXDischarge.The operation principle of triple effect catalytic converter is to utilize discharge
Remaining oxygen and discharge higher temperature in exhaust gas, oxidation-reduction reaction carried out in catalyst surface, make harmful substance CO,
Hydrocarbon (HC), nitrogen oxides（NOx）It is transformed into the CO of nonhazardous2、H2O and N2.But it is understood that in gasoline, diesel oil
Sulfur content is far above nitrogen content, therefore the SO in engine exhaustXAmount also compares NOXAmount is big, however three-way catalyst is only to NOX
It is converted, to oxygen sulfur compound（SOX）It does not convert, to fine particulates（PM）Also without clean-up effect.
Utility model content
The purpose of this utility model is to make up the deficiency of available engine waste gas purification apparatus, is provided a kind of applied widely
It is general, HC, CO, the NO contained in engine exhaust can be removed simultaneouslyX、SOX, the various harmful substances such as PM engine exhaust purifying
Device.
To achieve the above object, the present invention provides following technical solution：
A kind of engine exhaust gas purification device, integrates and offgas outlet pipe including gas inlet pipe, exhaust gas treatment unit；Its
It is characterized in that, the exhaust gas treatment unit is integrated including CO-HC-NOXAir processing unit, SOXAir processing unit and subtle
Particulate matter processing unit；The CO-HC-NOXAir processing unit is connected with gas inlet pipe, at the fine particulates
Reason unit is connected with offgas outlet pipe, SOXAir processing unit is placed in CO-HC-NOXAt air processing unit and fine particulates
Between reason unit.
The CO- HC-NOXAir processing unit is for handling unburned volatile organic matter (HC) in exhaust gas, no
Fully burn and the carbon monoxide (CO) generated, the oxynitrides (NO being converted under high excess oxygenX) gas；Described
SOXAir processing unit is used to convert oxygen sulfur compound (SOX)；The fine particulates processing unit is used to filter and adsorb
The harmful substances such as fine particulates (PM).
Wherein, the CO- HC-NOXAir processing unit is using conventional triple effect catalytic converter.CO- HC-NOXGas
Processing unit can promote the pernicious gases such as CO, HC and NOx of vehicle exhaust discharge to be changed into nothing by oxidation and reduction
Harmful CO2、H2O and N2, three kinds of pernicious gases is made to become innocuous gas, vehicle exhaust is made to be purified.
The SOXDry-desulphurizer is filled in air processing unit.Dry-desulphurizer is V2O5Activated carbon-calcium oxide
Composite desulfurizing agent, SO2It is oxidized to become SO3, acid to react under the conditions of having existing for steam with calcium oxide, reactant
Deposition is on the activated carbon.
If dried layer filter screen is set, if dried layer filter screen is perpendicular to exhaust gas flow in the fine particulates processing unit
Direction is arranged in parallel.Further, the filter screen is selected from ceramic honeycomb grid or honeycomb-shaped oxidizing aluminium net lattice, filter screen two
Side spray is coated with thickness as 20 ~ 80 μm of SBA-15 mesopore molecular sieves.If fill ceramic fibre between dried layer filter screen.Gas stream
During through the unit, fine particle therein can be adsorbed by SBA-15 mesopore molecular sieves and be filtered by ceramic fibre.
In the utility model, mesoporous molecular sieve SBA-15 is pure silica mesoporous material, is the hexagonal phase knot of high-sequential
Structure, with high-specific surface area（Generally in 600~1000 m2 ·g- 1）, regular pore passage structure, macropore hold (>0.85
cm3/ g), mesopore size is between 4.6~30nm, and pore wall thickness is in 3.1~6.0 nm ranges.Although duct is one dimensional line
Shape straight hole road, but there are the micropore of many disorder distributions between its duct, size is between 1~3nm.SBA-15 has higher
Thermal stability and hydrothermal stability, by its excellent physicochemical properties and design feature, performance is excellent in terms of adsorbing separation
More, in particular for fine particulates（PM）Filtering has good effect.
Compared with prior art, the engine exhaust gas purification device of the utility model has the following advantages：
CO- HC-NOXAir processing unit is equivalent to triple effect catalytic converter of the prior art, SOXGas treatment list
Member processing is through triple-effect catalytic unit without the oxygen sulfur compound of conversion（SOX）, and the filtering receiving of fine particulates processing unit is subtle
Particulate matter（PM）Etc. harmful substances.Therefore, the purifier of the utility model can will contain in engine discharging tail gas, exhaust gas
The pernicious gases such as carbon monoxide, hydrocarbon, oxynitrides, oxygen sulfur compound handle together, moreover it is possible to will be in exhaust gas
Fine particle removes, and clean-up effect is apparent, so as to fulfill the environment protection emission of engine exhaust.Meanwhile the utility model engine
Waste gas purification apparatus is ingenious in design, simple in structure, easy to spread.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure, 10- gas inlet pipes, 20- exhaust gas treatment units integrate, 21-CO- HC-NOXAir processing unit, 22-
SOXAir processing unit, 23- fine particulates processing units, 30- offgas outlet pipes.
Specific embodiment
The engine exhaust gas purification device of the utility model is described in detail below in conjunction with attached drawing.
As shown in Figure 1, the utility model starts grade waste gas purification apparatus to include gas inlet pipe 10, exhaust gas treatment unit
Integrate 20 and offgas outlet pipe 30.Wherein, tail gas treating unit unit integrate 20 according to exhaust gas flow direction sequence include CO-
HC-NOXAir processing unit 21, SOXAir processing unit 22 and fine particulates processing unit 23.CO- HC-NOXAt gas
Reason unit 21 is connected with exhaust gas entrance pipe 10, and fine particulates processing unit 23 is connected with offgas outlet pipe 30.
CO- HC-NOXAir processing unit 21 is using conventional triple effect catalytic converter, wherein loading three-way catalyst.SOX
Air processing unit 22 loads V2O5Activated carbon-composite calcium oxide desulfurizer.If fine particulates processing unit 23 sets dried layer
Filter screen fills ceramic fibre between filter screen.The filter screen is selected from ceramic honeycomb grid or honeycomb-shaped oxidizing aluminium net lattice,
Filter screen both sides are coated with the SBA-15 mesopore molecular sieve coatings that thickness is 20 ~ 80 μm；Ceramic fibre is filled between filtering meshes
Filter.Between each processing unit independently of each other, it is connected using the connection mode for being conveniently replaceable each unit, is easily assembled, replaces with returning
It receives.
The course of work of the engine exhaust gas purification device of the utility model is as follows：
The exhaust gas of engine discharge first passes around exhaust gas entrance pipe and enters CO-HC-NOXAir processing unit 21, in triple effect
Under the action of catalyst, CO, HC, NO thereinXEffectively converted；Treated that exhaust gas enters SO for three-way catalystXAt gas
Unit 22 is managed, wherein the SOx gases contained are by composite desulfurizing agent adsorbing and removing；Exhaust gas after removing SOx enters back into fine particle
Object processing unit 23, and adsorbed and removed by filtering meshes therein and its SBA-15 coatings, it is achieved thereby that PM2.5
Effective removing of particle.
Claims (7)
1. a kind of engine exhaust gas purification device, integrated including gas inlet pipe, exhaust gas treatment unit and offgas outlet pipe；It is special
Sign is that the exhaust gas treatment unit is integrated including CO-HC-NOXAir processing unit, SOXAir processing unit and subtle
Grain object processing unit；The CO-HC-NOXAir processing unit is connected with gas inlet pipe, fine particulates processing
Unit is connected with offgas outlet pipe, SOXAir processing unit is placed in CO- HC-NOXAir processing unit and fine particulates processing
Between unit；The CO- HC-NOXAir processing unit is using conventional triple effect catalytic converter, the fine particulates
If dried layer filter screen, the SO are set in processing unitXDry-desulphurizer is filled in air processing unit.
2. engine exhaust gas purification device described in accordance with the claim 1, which is characterized in that the dry-desulphurizer is V2O5-
Activated carbon-composite calcium oxide desulfurizer.
3. engine exhaust gas purification device described in accordance with the claim 1, which is characterized in that the filter screen is selected from cellular
Ceramic grid or honeycomb-shaped oxidizing aluminium net lattice.
4. according to the engine exhaust gas purification device described in claim 1 or 3, which is characterized in that if the dried layer filter screen
Between fill ceramic fibre.
5. engine exhaust gas purification device described in accordance with the claim 3, which is characterized in that the filter screen surface spraying has
SBA-15 mesopore molecular sieve coatings.
6. according to the engine exhaust gas purification device described in claim 5, which is characterized in that the SBA-15 mesopore molecular sieves apply
The thickness of layer is 20 ~ 80 μm.
7. engine exhaust gas purification device described in accordance with the claim 1, which is characterized in that if the dried layer filter screen is vertical
It is arranged in parallel in exhaust gas flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705987.6U CN207499943U (en) | 2017-06-17 | 2017-06-17 | A kind of engine exhaust gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720705987.6U CN207499943U (en) | 2017-06-17 | 2017-06-17 | A kind of engine exhaust gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207499943U true CN207499943U (en) | 2018-06-15 |
Family
ID=62497327
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720705987.6U Active CN207499943U (en) | 2017-06-17 | 2017-06-17 | A kind of engine exhaust gas purification device |
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|---|---|
| CN (1) | CN207499943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295986A (en) * | 2019-07-03 | 2019-10-01 | 河北工业大学 | A kind of diesel engine exhaust gas treatment device and method |
-
2017
- 2017-06-17 CN CN201720705987.6U patent/CN207499943U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295986A (en) * | 2019-07-03 | 2019-10-01 | 河北工业大学 | A kind of diesel engine exhaust gas treatment device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240326 Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Country or region after: China Patentee after: Sinopec (Dalian) Petrochemical Research Institute Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Country or region before: China Patentee before: DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC Corp. |