CN103670611B - A kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device - Google Patents
A kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device Download PDFInfo
- Publication number
- CN103670611B CN103670611B CN201310694752.8A CN201310694752A CN103670611B CN 103670611 B CN103670611 B CN 103670611B CN 201310694752 A CN201310694752 A CN 201310694752A CN 103670611 B CN103670611 B CN 103670611B
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- CN
- China
- Prior art keywords
- exhaust gas
- processing device
- gas processing
- catalysis
- connecting tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000007789 gas Substances 0.000 claims abstract description 67
- 238000006555 catalytic reaction Methods 0.000 claims abstract description 35
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 239000008187 granular material Substances 0.000 claims abstract description 27
- 239000000112 cooling gas Substances 0.000 claims abstract description 9
- 230000030279 gene silencing Effects 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 4
- 230000000977 initiatory effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 16
- 239000004215 Carbon black (E152) Substances 0.000 description 13
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 229910002091 carbon monoxide Inorganic materials 0.000 description 13
- 229930195733 hydrocarbon Natural products 0.000 description 13
- 150000002430 hydrocarbons Chemical class 0.000 description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 239000000956 alloy Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 229910000464 lead oxide Inorganic materials 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- -1 oxynitrides (NOx) Chemical compound 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses a kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device, belong to engine art, be applied to engineering machinery, be preferably excavator.Exhaust gas processing device comprises desulfurizing device 1, catalysis device 2, carbon granule grabber 3, cooling gas check valve 4 and connecting tube 6,7 to process tail gas, the sulphide in tail gas is removed by desulfurizing device 1, by catalysis device 2, harmful gas is converted into the harmless gas discharged, carbon granule grabber 3 is by the dust in gas or larger particle capture; The invention has the advantages that: effectively can remove harmful gas; Adopt A2BO4 type catalyzer to reduce production cost, the initiation temperature of catalyzer can be reduced simultaneously, the especially process of lower temperature tail gas during starting a cold engine; This exhaust gas processing device is contained between turbosupercharger and silencing apparatus, conveniently dismantles device and keeps in repair.
Description
Technical field
The present invention relates to the technical field of motor, particularly a kind ofly greatly can reduce a kind of exhaust gas processing device of harmful gas in tail gas and particulate matter and comprise the diesel engine of this exhaust gas processing device.
Background technique
Major pollutants in diesel engine emissions tail gas are carbon monoxide (CO), hydrocarbon (HC), oxynitrides (NOx), sulphide and particulate (being made up of the heavy metallic oxide such as carbon granule, lead oxides and cigarette ash etc.).What it purified is discharged in air mainly through redox chemical reaction generation H2O, CO2 and N2 etc. under catalyst action, the Processing capacity of our exhaust gas processing device is limited at present, the harmful components that can not go out thoroughly in tail gas, as shown in Figure 1, current engine exhaust gas processing unit, comprise cooling line 9, desulfurizing device 10, carbon removing device 11 and holder housing 12, cooling line 9 is connected with desulfurizing device 10 and carbon removing device 11 and is all arranged in holder housing 12, cooling line 9 pairs of motor exhausts reduce tail gas air pressure after carrying out cooling process, alkaline sulphur removal thing is provided with in desulfurizing device 10, carbon removing device 11 continues to be oxidized to the carbon dioxide that can discharge after being filtered by the carbon granule in tail gas, there is following shortcoming:
1) harmful components CO main in tail gas, HC and NOX can not be removed, not thorough to tail gas clean-up;
2) if exhaust gas processing device blocking can cause exhaust back pressure to increase, the power of lower motor;
3) after cooling line 1 pair of motor exhaust carries out cooling process, the activity of catalyzer can be reduced, reduce after carbon granule filters and continue to be oxidized to titanium dioxide charcoal percent conversion;
The carbon monoxide (CO) in tail gas, hydrocarbon (HC), oxynitrides (NOx), sulphide and particulate effectively can be removed for above shortcoming exhaust gas processing device of the present invention.
Summary of the invention
For above shortcomings and limitations, the present invention solves by increasing catalysis device, particle trap and cooling gas check valve and improves the problems referred to above, and concrete scheme is as follows:
A kind of diesel motor exhaust treatment device, wherein, comprise desulfurizing device, catalysis device, carbon granule grabber, cooling gas check valve, housing and connecting tube composition, described desulfurizing device, catalysis device, carbon granule grabber, cooling gas check valve are all arranged in described holder housing.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, described one-way valve to be arranged on described connecting tube and near inner walls, has a plug IV after described desulfurizing device is connected to connecting tube at desulfurizing device end, form the first cavity I, desulfurizing device can remove the sulphide in tail gas.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, described catalysis device is outer at described desulfurizing device, and described catalysis device side is provided with plug V, described plug V, described catalysis device, the baffle plate of described desulfurizing device and described catalysis device opposite side forms the second cavity II, above-mentioned catalysis device, by alloy porous material Fe-Al-Gr as carrier, A2BO4 perovskite-like (La2-xSrxO4) is as catalyzer, make carbon monoxide (CO), hydrocarbon (HC), there is oxidation reaction in the NO in oxynitrides (NOx), the gas CO2 that generation can directly be discharged, H2O and N2.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, described carbon granule grabber is outer and be close to catalysis device at described catalysis device, described housing and enclose inside structure form the 3rd cavity III, above-mentioned carbon granule grabber, be made up of alloy porous material Fe-Al-Gr filter screen, by inertial collision, retain, spread and with the effect such as gravitational settling, carbon granule is separated from exhaust gas flow, and and NO2 reaction in tail gas generate CO2 and N2.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, described connecting tube connects turbosupercharger and silencing apparatus respectively.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, tail gas enters the first cavity by connecting tube, enters the second cavity by desulfurizing device, then enters the 3rd cavity by catalysis device and carbon granule grabber, discharges finally by connecting tube.
Above-mentioned a kind of diesel motor exhaust treatment device, wherein, exhaust gas processing device blocking can cause exhaust back pressure to increase, and when the gas pressure in described first cavity I reaches 10kpa, one-way valve is opened automatically, and tail gas can directly be discharged by silencing apparatus.
A kind of diesel engine, wherein, comprises the exhaust gas processing device described in above-mentioned any one.
Beneficial effect after employing the present invention is:
1) the major pollutants carbon monoxide (CO) in motor exhaust, hydrocarbon (HC), oxynitrides (NOx), sulphide and carbon granule can effectively be removed;
2) if exhaust gas processing device blocking causes exhaust back pressure to increase, reach gas unidirectional valve opening pressure, automatically can open one-way valve, reduce exhaust back pressure;
3) adopt A2BO4 type catalyzer, reduce production cost, the initiation temperature of catalyzer can be reduced simultaneously, the especially process of lower temperature tail gas during starting a cold engine;
4) this exhaust gas processing device is contained between turbosupercharger and silencing apparatus, conveniently dismantles device and keeps in repair.
Accompanying drawing explanation
Fig. 1 is current engine exhaust gas processing unit schematic diagram;
Fig. 2 is exhaust gas processing device schematic diagram of the present invention.
Wherein, 1 plug is respectively for desulfurizing device 2 is respectively formed for carbon removing device 12 for holder housing I, II, III for desulfurizing device 11 for cooling line 10 for baffle plate 9 for connecting tube 8 for connecting tube 7 for housing 6 for cooling gas check valve 5 for carbon granule grabber 4 for catalysis device 3 chamber IV, V.
Embodiment
Below in conjunction with accompanying drawing 2 and concrete example, the present invention is described further, but not as limiting to the invention.
As shown in Figure 2, a kind of diesel motor exhaust treatment device, comprise desulfurizing device 1, catalysis device 2, carbon granule grabber 3, cooling gas check valve 4, housing 5 and connecting tube composition 6,7, described desulfurizing device 1, catalysis device 2, carbon granule grabber 3, cooling gas check valve 3 are all arranged in described holder housing 5, one-way valve 4 to be arranged on described connecting tube 6 and near housing 5 inwall, described desulfurizing device 1 to be connected to after connecting tube 6 and to have a plug IV at desulfurizing device end, form the first cavity I, desulfurizing device 1 can remove the sulphide in tail gas.
Described catalysis device 2 is outer at described desulfurizing device 1, and described catalysis device 2 side is provided with plug V; The baffle plate of described plug V, catalysis device 2, desulfurizing device 1 and catalysis device side forms the second cavity II, above-mentioned catalysis device 2, by alloy porous material Fe-Al-Gr as carrier, A2BO4 perovskite-like (La2-xSrxO4) is as catalyzer, make the NO in carbon monoxide (CO), hydrocarbon (HC), oxynitrides (NOx) that oxidation reaction occur, generate gas CO2, H2O and the N2 that can directly discharge.
Carbon granule grabber 3 is outer and be close to catalysis device 2 at catalysis device 2, housing 5 and enclose inside structure form the 3rd cavity III, above-mentioned carbon granule grabber 3, be made up of alloy porous material Fe-Al-Gr filter screen, by inertial collision, retain, spread and with the effect such as gravitational settling, carbon granule is separated from exhaust gas flow, and and NO2 reaction in tail gas generate CO2 and N2.Connecting tube 6 connects turbosupercharger, and connecting tube 7 connects silencing apparatus.
Tail gas enters the first cavity I by connecting tube 6, the second cavity II is entered by desulfurizing device 1, alkaline sulphur removal thing is provided with in desulfurizing device 1, by removing the sulphide in tail gas during desulfurizing device 1, residual exhaust enters the 3rd cavity III by catalysis device 2 and carbon granule grabber 3 again, by the particulate matter that removing when catalysis device 2 and carbon granule grabber 3 is larger, carbon granule grabber, be made up of alloy porous material Fe-Al-Gr filter screen, by inertial collision, retain, diffusion acts on gravitational settling etc. and carbon granule is separated from exhaust gas flow, and generate CO2 and N2 with the NO2 reaction in tail gas, the particle strengthened is as by carbon granule, the particle etc. of the compositions such as heavy metallic oxide and cigarette ash such as lead oxides, in catalysis device 2, carbon monoxide (CO) is made under catalyst action, hydrocarbon (HC), there is oxidation reaction in the NO in oxynitrides (NOx), the gas CO2 that generation can directly be discharged, H2O and N2, discharge finally by connecting tube 7, above-mentioned exhaust gas processing device blocking can cause exhaust back pressure to increase, when gas pressure in described first cavity I reaches 10kpa, one-way valve 4 is opened automatically, tail gas can directly be discharged by outlet pipe 7.
Also comprise a kind of diesel engine in embodiments of the invention, be provided with exhaust gas processing device described above.Because above-mentioned exhaust gas processing device has above-mentioned technique effect, therefore, the diesel engine being provided with this exhaust gas processing device also should possess corresponding technique effect, and its specific implementation process is similar to the above embodiments, does not hereby repeat.
The foregoing is only the present invention's preferably example; not thereby embodiments of the present invention and protection domain is limited; to those skilled in the art; should recognize and all should be included in the scheme that equivalent replacement done by all utilizations specification of the present invention and diagramatic content and apparent change obtain in protection scope of the present invention.
Claims (7)
1. an exhaust gas processing device, it is characterized in that, comprise connecting tube (6) (7) composition of desulfurizing device (1), catalysis device (2), carbon granule grabber (3), cooling gas check valve (4), housing (5) and the left and right sides, described desulfurizing device (1), catalysis device (2), carbon granule grabber (3), cooling gas check valve (4) are all arranged in described housing (5); Described catalysis device (2) is outer at described desulfurizing device (1), and described catalysis device (2) side is provided with plug (V), the baffle plate (8) of described plug (V), described catalysis device (2), described desulfurizing device (1) and described catalysis device (2) opposite side forms the second cavity (II).
2. a kind of exhaust gas processing device according to claim 1, it is characterized in that, described one-way valve (4) is arranged on the described connecting tube in left side (6) and goes up and close housing (5) inwall, described desulfurizing device (1) is connected to the described connecting tube in left side (6) afterwards and have a plug (IV) at desulfurizing device (1) end, forms the first cavity (I).
3. a kind of exhaust gas processing device according to claim 2, it is characterized in that, described carbon granule grabber (3) is outer and be close to catalysis device (2), inside formation the 3rd cavity (III) of described housing (5) and described housing (5) at described catalysis device (2).
4. a kind of exhaust gas processing device according to claim 3, it is characterized in that, the described connecting tube in left side (6) connects turbosupercharger, and the described connecting tube in right side (7) connects silencing apparatus.
5. a kind of exhaust gas processing device according to claim 4, it is characterized in that, tail gas enters described first cavity (I) by the described connecting tube in left side (6), described second cavity (II) is entered by desulfurizing device (1), enter described 3rd cavity (III) by catalysis device (2) and carbon granule grabber (3) again, discharge finally by the described connecting tube in right side (7).
6. a kind of exhaust gas processing device according to claim 2, it is characterized in that, when the gas pressure in described first cavity (I) reaches 10kpa, one-way valve (4) is opened automatically.
7. a diesel engine, is characterized in that, comprises the exhaust gas processing device described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694752.8A CN103670611B (en) | 2013-12-16 | 2013-12-16 | A kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310694752.8A CN103670611B (en) | 2013-12-16 | 2013-12-16 | A kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103670611A CN103670611A (en) | 2014-03-26 |
| CN103670611B true CN103670611B (en) | 2016-04-27 |
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|---|---|---|---|
| CN201310694752.8A Expired - Fee Related CN103670611B (en) | 2013-12-16 | 2013-12-16 | A kind of exhaust gas processing device and comprise the diesel engine of this exhaust gas processing device |
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| Country | Link |
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| CN (1) | CN103670611B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106089415A (en) * | 2016-07-27 | 2016-11-09 | 江苏东方康弛机电科技有限公司 | A kind of outdoor diesel generator group |
| CN110617126B (en) * | 2019-10-26 | 2025-03-25 | 河南师范大学 | Device for treating and reducing exhaust gas of motor vehicles |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531968A (en) * | 1993-06-04 | 1996-07-02 | Scambia Industrial Developments Ag | Catalytic converter for the catalytic treatment of exhaust gas |
| CN102159802A (en) * | 2008-07-18 | 2011-08-17 | 阿兰图姆公司 | Filter device for reducing automobile exhaust fume |
| CN102378642A (en) * | 2009-12-04 | 2012-03-14 | 阿兰图姆公司 | Exhaust gas filtering device |
| CN102434253A (en) * | 2011-09-29 | 2012-05-02 | 华北电力大学 | Tertiary treatment device of automobile exhaust and separation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2001244090A1 (en) * | 2000-03-21 | 2001-10-03 | Silentor Holding A/S | A silencer containing one or more porous bodies |
| NL2006993C2 (en) * | 2011-05-02 | 2012-11-05 | Daf Trucks Nv | EXHAUST GAS SYSTEM FOR A DIESEL ENGINE. |
-
2013
- 2013-12-16 CN CN201310694752.8A patent/CN103670611B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5531968A (en) * | 1993-06-04 | 1996-07-02 | Scambia Industrial Developments Ag | Catalytic converter for the catalytic treatment of exhaust gas |
| CN102159802A (en) * | 2008-07-18 | 2011-08-17 | 阿兰图姆公司 | Filter device for reducing automobile exhaust fume |
| CN102378642A (en) * | 2009-12-04 | 2012-03-14 | 阿兰图姆公司 | Exhaust gas filtering device |
| CN102434253A (en) * | 2011-09-29 | 2012-05-02 | 华北电力大学 | Tertiary treatment device of automobile exhaust and separation method thereof |
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| Publication number | Publication date |
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| CN103670611A (en) | 2014-03-26 |
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