KR100918602B1 - 내연기관의 배기가스 처리 방법 및 장치 - Google Patents
내연기관의 배기가스 처리 방법 및 장치 Download PDFInfo
- Publication number
- KR100918602B1 KR100918602B1 KR1020087000182A KR20087000182A KR100918602B1 KR 100918602 B1 KR100918602 B1 KR 100918602B1 KR 1020087000182 A KR1020087000182 A KR 1020087000182A KR 20087000182 A KR20087000182 A KR 20087000182A KR 100918602 B1 KR100918602 B1 KR 100918602B1
- Authority
- KR
- South Korea
- Prior art keywords
- ammonia
- exhaust gas
- particulate separator
- flow
- line
- 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.)
- Expired - Fee Related
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- 239000007789 gas Substances 0.000 title claims abstract description 319
- 238000000034 method Methods 0.000 title claims abstract description 100
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 399
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 292
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 146
- 230000003197 catalytic effect Effects 0.000 claims abstract description 71
- 230000009467 reduction Effects 0.000 claims abstract description 52
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 49
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 238000003860 storage Methods 0.000 claims description 80
- 230000008929 regeneration Effects 0.000 claims description 50
- 238000011069 regeneration method Methods 0.000 claims description 50
- 230000008569 process Effects 0.000 claims description 47
- 238000011282 treatment Methods 0.000 claims description 41
- 230000003647 oxidation Effects 0.000 claims description 39
- 238000007254 oxidation reaction Methods 0.000 claims description 39
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 37
- 238000011144 upstream manufacturing Methods 0.000 claims description 37
- 229910052760 oxygen Inorganic materials 0.000 claims description 35
- 239000001301 oxygen Substances 0.000 claims description 35
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 239000010419 fine particle Substances 0.000 claims description 26
- 230000005684 electric field Effects 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 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 claims description 14
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 13
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- 150000002430 hydrocarbons Chemical class 0.000 description 25
- 239000001257 hydrogen Substances 0.000 description 23
- 229910052739 hydrogen Inorganic materials 0.000 description 23
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 22
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000010531 catalytic reduction reaction Methods 0.000 description 8
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- 238000010438 heat treatment Methods 0.000 description 8
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 7
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite group Chemical group N(=O)[O-] IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 7
- 239000002994 raw material Substances 0.000 description 7
- 230000001105 regulatory effect Effects 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- OWIKHYCFFJSOEH-UHFFFAOYSA-N Isocyanic acid Chemical compound N=C=O OWIKHYCFFJSOEH-UHFFFAOYSA-N 0.000 description 5
- 229910002651 NO3 Inorganic materials 0.000 description 5
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 5
- 239000004202 carbamide Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 5
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- 229910021536 Zeolite Inorganic materials 0.000 description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- -1 through pyrolysis Chemical compound 0.000 description 4
- 239000002918 waste heat Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 238000004220 aggregation Methods 0.000 description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 description 3
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- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 3
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- 229910000510 noble metal Inorganic materials 0.000 description 3
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- 239000000872 buffer Substances 0.000 description 2
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- 150000002500 ions Chemical group 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002808 molecular sieve Substances 0.000 description 2
- 150000002823 nitrates Chemical class 0.000 description 2
- 150000002826 nitrites Chemical class 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
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- 230000004888 barrier function Effects 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
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- 150000002431 hydrogen Chemical class 0.000 description 1
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- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0231—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using special exhaust apparatus upstream of the filter for producing nitrogen dioxide, e.g. for continuous filter regeneration systems [CRT]
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/50—Means for discharging electrostatic potential
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/90—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9431—Processes characterised by a specific device
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- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
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- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/027—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using electric or magnetic heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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- F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
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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
- F01N3/103—Oxidation catalysts for HC and CO only
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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]
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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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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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
- F01N3/24—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 constructional aspects of converting apparatus
- F01N3/30—Arrangements for supply of additional air
- F01N3/32—Arrangements for supply of additional air using air pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/36—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for adding fluids other than exhaust gas to the recirculation passage; with reformers
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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
- 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
- F01N2240/25—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 an ammonia generator
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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
- 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
- F01N2240/28—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 plasma reactor
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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
- 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
- F01N2240/30—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 fuel reformer
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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
- F01N2510/00—Surface coverings
- F01N2510/06—Surface coverings for exhaust purification, e.g. catalytic reaction
- F01N2510/068—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings
- F01N2510/0684—Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
Description
Claims (26)
- - 미립자 분리기 (101),- 질소산화물을 선택적으로 환원시키기 위한 SCR 촉매 변환기 (102), 및- 질소산화물을 환원시키기 위한 선택적 환원제로서 암모니아를 발생시키기 위한 암모니아 발생기 (103) 를 포함하는 배기가스 처리 장치로서,미립자 분리기 (101) 는 주 배기라인 (104) 에 형성되어 있고, 암모니아 발생기 (103) 는 제 1 부 라인 (105) 에 형성되어 있으며, 제 1 부 라인 (105) 은, 암모니아 발생기 (103) 에서 발생되는 암모니아함유 가스 스트림이 SCR 촉매 변환기 (102) 를 통해 흐를 수 있도록 구현되는 연결부에서 주 배기라인 (104) 으로 개방되며,제 1 부 라인 (105) 은, 암모니아 발생기 (103) 에서 발생되는 암모니아함유 가스 스트림이 미립자 분리기 (101) 를 통해 흐를 수도 있도록 구현되는 제 1 연결부 (106) 에서 주 배기라인으로 개방되는 배기가스 처리 장치.
- 제 1 항에 있어서, 미립자 분리기 (101) 는 미립자 분리기 (101) 를 재생시키기 위한 재생 설비를 구비하는 배기가스 처리 장치.
- 제 2 항에 있어서, 재생 설비는 다음의 처리들,10.1) 미립자 분리기 (101) 의 일부 또는 전부의 상류에서 이산화질소를 이용할 수 있게 하는 처리;10.2) 미립자 분리기 (101) 의 일부 또는 전부의 온도를 제한 온도 이상으로 증가시키는 처리;10.3) 미립자 분리기 (101) 의 일부 또는 전부의 상류에서 산화제를 이용할 수 있게 하는 처리; 또는10.4) 전기 방전을 이용하여 재생시키는 처리들 중 하나 이상에 의해 작동되는 배기가스 처리 장치.
- 제 3 항에 있어서, 재생 설비는 연면방전에 의해 작동되는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 미립자 분리기 (101) 는, 다음의 기능들,12.1) 미립자의 응집; 또는12.2) 미립자의 분리중 하나 이상을 충족시키는 미립자 분리기 (101) 에 제 1 전기장을 발생시키기 위한 수단 (135) 을 포함하는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 미립자 분리기 (101) 는, 재생을 위해 연면방전이 발생되게 하는 미립자 분리기 (101) 에 제 2 전기장을 발생시키기 위한 수단 (116) 을 포함하는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 암모니아 발생기 (103) 는 플라즈마 발생기 (5, 114) 를 포함하는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 암모니아 발생기 (103) 는 다음의 성분들,15.1) 암모니아; 또는15.2) 암모니아 전구체중 하나 이상을 일시적으로 저장하기 위한 하나 이상의 저장 요소 (115, 131, 132) 를 포함하는 배기가스 처리 장치.
- 제 8 항에 있어서, 암모니아 전구체 (15.2) 는 일산화질소를 포함하는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 다음 가스들,24.1) 배기가스;24.2) 산소 및 질소를 포함하는 가스; 또는24.3) 공기중 하나 이상이 제 1 부 라인 (105) 을 통해 흐르는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 산화 촉매 변환기 (108, 117) 가 다음의 위치들,26.1) 미립자 분리기 (101) 의 상류;26.2) 암모니아 발생기 (103) 의 하류 및 SCR 촉매 변환기 (102) 의 상류; 또는26.3) SCR 촉매 변환기 (102) 의 하류중 하나 이상에 형성되어 있는 배기가스 처리 장치.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서, 서로 병렬인 흐름을 갖는 제 1 흐름 영역 (3) 및 하나 이상의 제 2 흐름 영역 (2) 을 포함하며, 제 1 흐름 영역 (3) 은 주 배기라인 (104) 의 일부 또는 전부이며, 제 1 흐름 영역 (3) 및 제 2 흐름 영역 (2) 은 열이 제 1 흐름 영역 (3) 으로부터 하나 이상의 제 2 흐름 영역 (2) 으로 전달될 수 있도록 구현되는 배기가스 처리 장치.
- 제 12 항에 있어서, 다음의 구성품들,31.1) 하나 이상의 플라즈마 발생기 (5, 114);31.2) 하나 이상의 개질기 (111); 또는31.3) 하나 이상의 반응기 (133)중 하나 이상이 제 2 흐름 영역 (2) 에 형성되어 있는 배기가스 처리 장치.
- 배기가스에 있는 미립자를 미립자 분리기 (101) 로 부분적으로 또는 전부 분리하고, 배기가스 중의 질소산화물을 SCR 촉매 변환기 (102) 에서 부분적으로 또는 전부 환원시키는 배기가스 처리 방법으로서,미립자의 분리는 주 배기라인에서 일어나며, 환원제로서 SCR 촉매 변환기 (102) 에 공급되는 암모니아는 제 1 부 라인 (105) 에서 발생되며,제 1 부 라인 (105) 에서 발생되는 암모니아함유 가스 스트림이 미립자 분리기 (101) 를 통해 흐를 수 있도록, 제 1 부 라인 (105) 및 주 배기라인 (104) 을 결합시키는 배기가스 처리 방법.
- 제 14 항에 있어서, 다음의 기능들,58.1) 미립자의 응집;58.2) 미립자의 분리; 또는58.3) 미립자 분리기 (101) 의 재생중 하나 이상을 실행시키는 하나 이상의 전기장을 미립자 분리기 (101) 에 형성시키는 배기가스 처리 방법.
- 제 14 항 또는 제 15 항에 있어서, 미립자 분리기 (101) 는 미립자 분리기 (101) 를 재생시키기 위한 재생 설비를 구비하는 배기가스 처리 방법.
- 제 16 항에 있어서, 재생 설비는 다음의 처리들,60.1) 미립자 분리기 (101) 의 일부 또는 전부의 상류에서 이산화질소를 이용할 수 있게 하는 처리;60.2) 미립자 분리기 (101) 의 일부 또는 전부의 온도를 제한 온도 이상으로 증가시키는 처리;60.3) 미립자 분리기 (101) 의 일부 또는 전부의 상류에서 산화제를 이용할 수 있게 하는 처리; 또는60.4) 전기 방전을 이용하여 재생하는 처리중 하나 이상에 기초하는 배기가스 처리 방법.
- 제 17 항에 있어서, 상기 60.4) 에 따른 재생 설비는 연면방전을 포함하는 배기가스 처리 방법.
- 제 14 항 또는 제 15 항에 있어서, 플라즈마의 보조를 받는 일산화질소의 발생, 및 암모니아를 형성시키기 위한 후속의 환원으로 암모니아 (NH3) 를 발생시키는 배기가스 처리 방법.
- 제 19 항에 있어서, 질소 및 산소를 함유하는 제 1 공정 가스에 의해 플라즈마 발생기를 작동시키는 배기가스 처리 방법.
- 제 14 항 또는 제 15 항에 있어서, 암모니아 (NH3) 를 암모니아 발생기 (103) 에서 발생시키는 배기가스 처리 방법.
- 제 14 항에 있어서, 암모니아 생성은 배기가스 중의 NOX 농도 및 암모니아 농도 중 하나 또는 둘 다에 따라 폐쇄루프제어 또는 개방루프제어되는 배기가스 처리 방법.
- 제 22 항에 있어서, 배기가스 중의 NOX 함량 및 암모니아 함량 중 하나 또는 둘 다를 측정 센서를 이용하여 감지하는 배기가스 처리 방법.
- 제 22 항 또는 제 23 항에 있어서, NOX 농도를 내연기관 (20, 100) 의 작동 데이터로부터 결정하는 배기가스 처리 방법.
- 삭제
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DE102005026032.2 | 2005-06-03 | ||
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DE102005027784A DE102005027784A1 (de) | 2005-06-15 | 2005-06-15 | Verfahren und Vorrichtung zur Behandlung von Abgasen von Verbrennungskraftmaschinen |
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Also Published As
Publication number | Publication date |
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RU2007147908A (ru) | 2009-09-10 |
JP2008542609A (ja) | 2008-11-27 |
EP1885473A1 (de) | 2008-02-13 |
US20080102010A1 (en) | 2008-05-01 |
KR20080017437A (ko) | 2008-02-26 |
WO2006128712A1 (de) | 2006-12-07 |
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