EP2295754B1 - Abgasreinigungsvorrichtung - Google Patents
Abgasreinigungsvorrichtung Download PDFInfo
- Publication number
- EP2295754B1 EP2295754B1 EP10170432A EP10170432A EP2295754B1 EP 2295754 B1 EP2295754 B1 EP 2295754B1 EP 10170432 A EP10170432 A EP 10170432A EP 10170432 A EP10170432 A EP 10170432A EP 2295754 B1 EP2295754 B1 EP 2295754B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- exhaust gas
- purification apparatus
- gas purification
- urea water
- oxidation catalyst
- Prior art date
- 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.)
- Not-in-force
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- 239000003054 catalyst Substances 0.000 claims description 128
- 238000000746 purification Methods 0.000 claims description 79
- 230000003647 oxidation Effects 0.000 claims description 75
- 238000007254 oxidation reaction Methods 0.000 claims description 75
- WTHDKMILWLGDKL-UHFFFAOYSA-N urea;hydrate Chemical compound O.NC(N)=O WTHDKMILWLGDKL-UHFFFAOYSA-N 0.000 claims description 72
- 230000003197 catalytic effect Effects 0.000 claims description 38
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 21
- 239000004202 carbamide Substances 0.000 claims description 21
- 230000003301 hydrolyzing effect Effects 0.000 claims description 21
- 239000013618 particulate matter Substances 0.000 claims description 17
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 4
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 117
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 92
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 62
- 229910021529 ammonia Inorganic materials 0.000 description 29
- 238000006460 hydrolysis reaction Methods 0.000 description 20
- 230000007062 hydrolysis Effects 0.000 description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 14
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 7
- 239000001569 carbon dioxide Substances 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 229910002091 carbon monoxide Inorganic materials 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000010949 copper Substances 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000004706 metal oxides Chemical class 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ODUCDPQEXGNKDN-UHFFFAOYSA-N Nitrogen oxide(NO) Natural products O=N ODUCDPQEXGNKDN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- -1 silica (Si02) Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/103—Oxidation catalysts for HC and CO only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/40—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a hydrolysis catalyst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2510/00—Surface coverings
Claims (11)
- Abgasreinigungsvorrichtung (101, 102) mit:einem Oxidationskatalysator (12), der in einem Durchlass vorgesehen ist, durch den Abgas strömt;einem Harnstoff-Zersetzungsbeschleuniger (13), wobei der Harnstoff-Zersetzungsbeschleuniger (13) stromabwärts von einer Endfläche (12B) des Oxidationskatalysators (12) vorgesehen ist und eine hydrophile Funktion und/oder eine hydrolytisch-katalytische Funktion hat;einem Katalysator zur selektiven katalytischen Reduktion (15, 25), der stromabwärts vom Harnstoff-Zersetzungsbeschleuniger (13) vorgesehen ist; undeiner Harnstoffwasser-Zuführeinrichtung (18) zum Zuführen von Harnstoffwasser zum Harnstoff-Zersetzungsbeschleuniger (13),dadurch gekennzeichnet, dass die Abgasreinigungsvorrichtung außerdem Folgendes umfasst:einen Abgastemperatursensor (52), der stromaufwärts vom Oxidationskatalysator (12) vorgesehen ist, um eine Temperatur des Abgases zu erfassen;einen ersten NOx-Sensor (51), der stromaufwärts vom Oxidationskatalysator (12) vorgesehen ist, um eine NOx-Konzentration zu erfassen;einen zweiten NOx-Sensor (53), der stromabwärts vom Katalysator zur selektiven katalytischen Reduktion (15, 25) vorgesehen ist, um eine NOx-Konzentration zu erfassen; undeine Dosiersteuerungseinheit (30), die mit dem ersten und dem zweiten NOx-Sensor (51, 53), dem Abgastemperatursensor (52) und der Harnstoffwasser-Zuführeinrichtung (18) elektrisch verbunden ist, wobei die Dosiersteuerungseinheit (30), wenn die vom Abgastemperatursensor (52) erfasste Temperatur so hoch wie eine Temperatur ist, bei der der Katalysator zur selektiven katalytischen Reduktion (15, 25) aktiviert ist, die Harnstoffwasser-Zuführeinrichtung (18) so betätigt, dass sie Harnstoffwasser zuführt, und die Dosiersteuerungseinheit (30), wenn die von dem Abgastemperatursensor (52) erfasste Temperatur unter der Temperatur liegt, bei der der Katalysator zur selektiven katalytischen Reduktion (15, 25) aktiviert ist, die Harnstoffwasser-Zuführeinrichtung (18) so betätigt, dass sie aufhört, Harnstoffwasser zuzuführen, wobei die Dosiersteuerungseinheit (30) eine Zufuhrmenge an Harnstoffwasser beruhend auf NOx-Konzentrationen steuert, die von dem ersten und dem zweiten NOx-Sensor (51, 53) erfasst werden.
- Abgasreinigungsvorrichtung (101, 102) nach Anspruch 1, dadurch gekennzeichnet, dass die Harnstoffwasser-Zuführeinrichtung (18) Harnstoffwasser zu einer stromabwärtigen Oberfläche (13B) des Harnstoff-Zersetzungsbeschleunigers (13) hin zuführt.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 1 und 2, dadurch gekennzeichnet, dass die Harnstoffwasser-Zuführeinrichtung ein Einspritzventil (18) ist, das an einer Stelle vorgesehen ist, die sich zwischen dem Harnstoff-Zersetzungsbeschleuniger (18) und dem Katalysator zur selektiven katalytischen Reduktion (15, 25) und näher am Harnstoff-Zersetzungsbeschleuniger (13) als am Katalysator zur selektiven katalytischen Reduktion (15, 25) befindet.
- Abgasreinigungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Harnstoffwasser-Zuführeinrichtung (18) Harnstoffwasser stromaufwärts vom Oxidationskatalysator (12) zuführt und das Harnstoffwasser zum Harnstoff-Zersetzungsbeschleuniger (13) strömt, nachdem es durch den Oxidationskatalysator (12) geströmt ist.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 1 und 4, dadurch gekennzeichnet, dass die Abgasreinigungsvorrichtung außerdem Folgendes umfasst:eine Partikelsammeleinrichtung (14, 24) zum Einfangen von Partikeln, die im Abgas enthalten sind, wobei die Partikelsammeleinrichtung (14, 24) als eine Einheit mit dem Katalysator zur selektiven katalytischen Reduktion (15, 25) ausgebildet ist.
- Abgasreinigungsvorrichtung (102) nach Anspruch 5, dadurch gekennzeichnet, dass die Partikelsammeleinrichtung (24) stromabwärts vom Katalysator zur selektiven katalytischen Reduktion (25) vorgesehen ist.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 5 und 6, dadurch gekennzeichnet, dass die Abgasreinigungsvorrichtung außerdem Folgendes umfasst:einen Mischer (17), der auf einer stromaufwärtigen Endfläche (14A, 25A) der Partikelsammeleinrichtung (14) oder des Katalysators zur selektiven katalytischen Reduktion (15, 25) vorgesehen ist, um Substanzen im Abgas über die Endfläche (14A, 25A) der Partikelsammeleinrichtung (14) oder des Katalysators zur selektiven katalytischen Reduktion (15, 25) zu verteilen.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Abgasreinigungsvorrichtung außerdem Folgendes umfasst:ein Gehäuse (11), das den Oxidationskatalysator (12), den Harnstoff-Zersetzungsbeschleuniger (13), den Katalysator zur selektiven katalytischen Reduktion (15, 25) und die Harnstoffwasser-Zuführeinrichtung (18) beherbergt.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Abgasreinigungsvorrichtung an einer Motorbaugruppe (10) befestigt ist.
- Abgasreinigungsvorrichtung (101, 102) nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Harnstoff-Zersetzungsbeschleuniger (13) durch Beschichten der stromabwärtigen Endfläche (12B) des Oxidationskatalysators (12) mit einem Material, das eine hydrolytisch-katalytische Funktion und eine hydrophile Funktion hat, ausgebildet ist.
- Abgasreinigungsvorrichtung (101, 102) nach Anspruch 10, dadurch gekennzeichnet, dass das Material Siliziumoxid (SiO2), Aluminiumoxid (Al2O3 Ceroxid (CeO2), Titanoxid (TiO2) und/oder Wolframoxid (WO3) einschließt.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009182741A JP2011033000A (ja) | 2009-08-05 | 2009-08-05 | 排気ガス浄化装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2295754A1 EP2295754A1 (de) | 2011-03-16 |
| EP2295754B1 true EP2295754B1 (de) | 2012-12-19 |
Family
ID=42985543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10170432A Not-in-force EP2295754B1 (de) | 2009-08-05 | 2010-07-22 | Abgasreinigungsvorrichtung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20110030350A1 (de) |
| EP (1) | EP2295754B1 (de) |
| JP (1) | JP2011033000A (de) |
| KR (1) | KR20110014524A (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011089330A1 (fr) * | 2010-01-25 | 2011-07-28 | Peugeot Citroën Automobiles SA | Dispositif de post - traitement des gaz d'echappement d'un moteur a combustion interne |
| DE102011017114B4 (de) | 2011-04-14 | 2023-12-07 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Verfahren zur Überwachung des Abgasnachbehandlungssystems einer Verbrennungskraftmaschine |
| CN102852602A (zh) * | 2011-06-27 | 2013-01-02 | 北汽福田汽车股份有限公司 | 一种车辆用scr系统 |
| US9212585B2 (en) | 2011-07-28 | 2015-12-15 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying apparatus for internal combustion engine |
| KR102072063B1 (ko) * | 2012-03-29 | 2020-01-31 | 바스프 코포레이션 | 배출물 제어를 위한 다-성분 필터 |
| EP3330504B1 (de) | 2012-11-07 | 2022-09-21 | Johnson Matthey Public Limited Company | Katalysiertes substrat |
| DE102013012575A1 (de) * | 2013-07-30 | 2015-02-05 | Man Truck & Bus Ag | Verfahren und Vorrichtung zur Ermittlung des Wirkungsgrades einer Abgasreinigungsvorrichtung |
| WO2016068831A1 (en) * | 2014-10-27 | 2016-05-06 | Cummins Emission Solutions, Inc. | Highly selective nox sensor in presence of nh3 |
| US10113462B2 (en) | 2015-04-24 | 2018-10-30 | Cummins Inc. | Advanced exhaust aftertreatment system architecture |
| DE102015212485B4 (de) | 2015-07-03 | 2018-06-14 | Ford Global Technologies, Llc | Abgastrakt mit gegen eine Strömungsrichtung spritzende Dosiereinrichtung, Verfahren zum Betrieb eines Abgastraktes sowie Fahrzeug mit Abgastrakt |
| CN105507990A (zh) * | 2016-01-27 | 2016-04-20 | 李钦源 | 一种大棚用环保农用机械 |
| DE102017123447A1 (de) * | 2017-10-10 | 2019-04-11 | Eberspächer Exhaust Technology GmbH & Co. KG | Abgasanlage |
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| DE102006051788A1 (de) * | 2006-11-03 | 2008-05-08 | Daimler Ag | Abgasnachbehandlungssystem eines Verbrennungsmotors |
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| DE4123161A1 (de) | 1991-07-12 | 1993-01-14 | Siemens Ag | Statischer mischer |
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| DE19734627C1 (de) * | 1997-08-09 | 1999-01-14 | Man Nutzfahrzeuge Ag | Vorrichtung und Verfahren zur katalytischen NO¶x¶-Reduktion in sauerstoffhaltigen Motorabgasen |
| DE10054877A1 (de) * | 2000-11-06 | 2002-05-29 | Omg Ag & Co Kg | Abgasreinigungsanlage für die selektive katalytische Reduktion von Stickoxiden unter mageren Abgasbedingungen und Verfahren zur Abgasreinigung |
| DE10257113A1 (de) * | 2002-12-05 | 2004-06-24 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Partikelfalle mit beschichteter Faserlage |
| JP2006009608A (ja) | 2004-06-23 | 2006-01-12 | Hino Motors Ltd | 排気浄化装置 |
| JP2006183507A (ja) * | 2004-12-27 | 2006-07-13 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関の排気浄化装置 |
| DE102005012066A1 (de) * | 2005-03-16 | 2006-09-21 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Wabenkörper mit Mitteln zur Reaktandenzufuhr und entsprechendes Verfahren und Abgassystem |
| JP4542455B2 (ja) * | 2005-03-28 | 2010-09-15 | 三菱ふそうトラック・バス株式会社 | 内燃機関の排気浄化装置 |
| JP2006274845A (ja) * | 2005-03-28 | 2006-10-12 | Mitsubishi Fuso Truck & Bus Corp | 内燃機関のＮＯｘ排出量算出装置 |
| DE102006038904A1 (de) * | 2006-08-18 | 2008-02-21 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Zugabe mindestens eines Reaktanden zu einem Abgasstrom und Vorrichtung zur Aufbereitung eines Abgasstroms einer Verbrennungskraftmaschine |
| JP4215808B2 (ja) * | 2007-05-11 | 2009-01-28 | ボッシュ株式会社 | 排気浄化装置の制御装置及び制御方法並びに内燃機関の排気浄化装置 |
| JP2009114930A (ja) * | 2007-11-06 | 2009-05-28 | Hino Motors Ltd | 排気浄化装置 |
| DE102008022990A1 (de) * | 2008-05-09 | 2009-11-12 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Partikelfilter mit Hydrolysebeschichtung |
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2009
- 2009-08-05 JP JP2009182741A patent/JP2011033000A/ja not_active Withdrawn
-
2010
- 2010-07-22 EP EP10170432A patent/EP2295754B1/de not_active Not-in-force
- 2010-08-04 KR KR1020100075189A patent/KR20110014524A/ko active IP Right Grant
- 2010-08-04 US US12/850,080 patent/US20110030350A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006051788A1 (de) * | 2006-11-03 | 2008-05-08 | Daimler Ag | Abgasnachbehandlungssystem eines Verbrennungsmotors |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011033000A (ja) | 2011-02-17 |
| EP2295754A1 (de) | 2011-03-16 |
| US20110030350A1 (en) | 2011-02-10 |
| KR20110014524A (ko) | 2011-02-11 |
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