RU2008105114A - Система очистки отработавших газов - Google Patents
Система очистки отработавших газов Download PDFInfo
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- RU2008105114A RU2008105114A RU2008105114/06A RU2008105114A RU2008105114A RU 2008105114 A RU2008105114 A RU 2008105114A RU 2008105114/06 A RU2008105114/06 A RU 2008105114/06A RU 2008105114 A RU2008105114 A RU 2008105114A RU 2008105114 A RU2008105114 A RU 2008105114A
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- evaporator
- exhaust gas
- channel
- liquid reagent
- mixer
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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
- F01N3/206—Adding periodically or continuously substances to exhaust gases for promoting purification, e.g. catalytic material in liquid form, NOx reducing agents
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3131—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
- B01F25/31322—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices used simultaneously
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
- B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
- B01F25/31331—Perforated, multi-opening, with a plurality of holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4316—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
- B01F25/43162—Assembled flat elements
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
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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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series
- F01N13/0097—Exhaust or silencing apparatus characterised by constructional features having two or more separate purifying devices arranged in series the purifying devices are arranged in a single housing
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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
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/43197—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
- B01F25/431974—Support members, e.g. tubular collars, with projecting baffles fitted inside the mixing tube or adjacent to the inner wall
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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
- F01N2240/20—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 flow director or deflector
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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
- F01N2240/40—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
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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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/02—Combinations of different methods of purification filtering and catalytic conversion
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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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/024—Exhaust treating devices having provisions not otherwise provided for for cooling the device using a liquid
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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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- 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
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
- F01N2610/102—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance after addition to exhaust gases, e.g. by a passively or actively heated surface in the exhaust conduit
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- F01N2610/00—Adding substances to exhaust gases
- F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
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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
- 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
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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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- Toxicology (AREA)
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Abstract
1. Система очистки содержащих NOх отработавших газов (ОГ), имеющая закрытый канал (14), в котором содержащий NОx поток ОГ направляют от источника (2) ОГ к катализатору (13), причем выше по потоку от катализатора (13) предусмотрен дозирующий элемент (7) для ввода жидкого реагента в поток ОГ, отличающаяся тем, что ниже по потоку от дозирующего элемента (7) расположен испаритель (11), имеющий расположенные в потоке ОГ поверхности (15, 16) для нанесения жидкого реагента и его испарения на них, прежде чем он попадает на катализатор (13). ! 2. Система по п.1, отличающаяся тем, что испаритель (11) выполнен в виде пленочного испарителя. ! 3. Система по п.1 или 2, отличающаяся тем, что между источником (2) ОГ и дозирующим элементом (7) расположен фильтр (3) для очистки от частиц. ! 4. Система по п.1, отличающаяся тем, что ниже по потоку от пленочного испарителя (11) расположен смеситель (12). ! 5. Система по п.4, отличающаяся тем, что смеситель (12) содержит неподвижный смесительный элемент. ! 6. Система по п.1, отличающаяся тем, что испаритель (11) выполнен одновременно в качестве смесителя. ! 7. Система по п.4 или 6, отличающаяся тем, что испаритель (11) и/или смеситель (12) имеют перекрестно-канальную структуру. ! 8. Система по п.1, отличающаяся тем, что поверхности (15, 16) испарителя (11) выполнены из хорошо проводящего тепло материала. ! 9. Система по п.8, отличающаяся тем, что хорошо проводящий тепло материал включает в себя сталь, содержащую, при необходимости, легирующие элементы, другой металлический материал, медный сплав или керамику с высокой теплопроводностью. ! 10. Система по п.1, отличающаяся тем, что поверхности испарителя содержат несколько направляющих элементов (15, 16), расположе�
Claims (27)
1. Система очистки содержащих NOх отработавших газов (ОГ), имеющая закрытый канал (14), в котором содержащий NОx поток ОГ направляют от источника (2) ОГ к катализатору (13), причем выше по потоку от катализатора (13) предусмотрен дозирующий элемент (7) для ввода жидкого реагента в поток ОГ, отличающаяся тем, что ниже по потоку от дозирующего элемента (7) расположен испаритель (11), имеющий расположенные в потоке ОГ поверхности (15, 16) для нанесения жидкого реагента и его испарения на них, прежде чем он попадает на катализатор (13).
2. Система по п.1, отличающаяся тем, что испаритель (11) выполнен в виде пленочного испарителя.
3. Система по п.1 или 2, отличающаяся тем, что между источником (2) ОГ и дозирующим элементом (7) расположен фильтр (3) для очистки от частиц.
4. Система по п.1, отличающаяся тем, что ниже по потоку от пленочного испарителя (11) расположен смеситель (12).
5. Система по п.4, отличающаяся тем, что смеситель (12) содержит неподвижный смесительный элемент.
6. Система по п.1, отличающаяся тем, что испаритель (11) выполнен одновременно в качестве смесителя.
7. Система по п.4 или 6, отличающаяся тем, что испаритель (11) и/или смеситель (12) имеют перекрестно-канальную структуру.
8. Система по п.1, отличающаяся тем, что поверхности (15, 16) испарителя (11) выполнены из хорошо проводящего тепло материала.
9. Система по п.8, отличающаяся тем, что хорошо проводящий тепло материал включает в себя сталь, содержащую, при необходимости, легирующие элементы, другой металлический материал, медный сплав или керамику с высокой теплопроводностью.
10. Система по п.1, отличающаяся тем, что поверхности испарителя содержат несколько направляющих элементов (15, 16), расположенных, по существу, вдоль направления главного течения потока ОГ.
11. Система по п.10, отличающаяся тем, что, по меньшей мере, часть направляющих элементов (15, 16) оребрена.
12. Система по п.10 или 11, отличающаяся тем, что направляющие элементы (15) ориентированы в виде звезды вокруг направляющего элемента (16), расположенного по центру канала.
13. Система по п.1, отличающаяся тем, что, по меньшей мере, часть поверхностей каталитически активны.
14. Система по п.13, отличающаяся тем, что каталитически активные поверхности имеют гидролитически-каталитически активные поверхности.
15. Система по п.1, отличающаяся тем, что в канал (14) заходят один или несколько дозирующих элементов (7).
16. Система по п.1, отличающаяся тем, что дозирующий элемент (7) содержит подающую линию (5) для ввода жидкого реагента в поток ОГ и распределительный элемент (19) для распределения жидкого реагента по поверхности испарителя.
17. Система по п.16, отличающаяся тем, что распределительный элемент (19) выполнен в виде капилляра (25) с выходным отверстием (27) или сопла (30).
18. Система по п.17, отличающаяся тем, что в зоне выходного отверстия (27) предусмотрен изгиб (26).
19. Система по п.16, отличающаяся тем, что подающая линия (5) выполнена с возможностью питания нескольких распределительных элементов (19).
20. Система по п.1, отличающаяся тем, что дозирующий элемент (7) содержит средство для предотвращения преждевременного испарения жидкого реагента.
21. Система по п.20, отличающаяся тем, что средство выполнено в виде теплоизоляции от потока ОГ и/или в виде термоэлектрического элемента Пельтье для охлаждения жидкого реагента, и/или дозирующий элемент (7) окружен охлаждающей рубашкой (17), выполненной в виде канала (18), содержащего линию (9) для подачи охлаждающей среды и линию (10) для ее отвода.
22. Система по п.21, отличающаяся тем, что канал (18) выполнен в виде цилиндрической трубы, в которой расположен распределительный элемент (19) для обеспечения обтекания распределительного элемента (19) со всех сторон охлаждающей средой, и/или канал (18) выполнен U-образным, и/или канал (18) содержит перегородку (28), и/или канал (18) ограничен двумя проходящими концентрично друг в друге трубами (21, 25).
23. Система по п.1, отличающаяся тем, что жидкий реагент содержит водный раствор аммиака.
24. Применение системы очистки ОГ по одному из пп.1-28 в автомобиле.
25. Способ очистки отработавших газов (ОГ), содержащих NOx, включающий в себя этапы ввода содержащего NOx потока ОГ из источника (2) ОГ в канал (2), ввод жидкого реагента в поток ОГ, испарение жидкого реагента на поверхности (15, 16) испарителя (11) и реакцию испарившегося реагента с NOx в катализаторе (13).
26. Способ по п.25, при котором смешивание насыщенного испарившимся реагентом потока ОГ осуществляют в смесителе.
27. Способ по п.25 или 26, при котором в катализаторе (13) NOx восстанавливают содержащимся в газовой смеси аммиаком в присутствии кислорода до N2.
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| CH07102076.2 | 2007-02-09 | ||
| EP07102076 | 2007-02-09 |
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| US (1) | US20080193353A1 (ru) |
| EP (1) | EP1956206B1 (ru) |
| JP (1) | JP2008196479A (ru) |
| KR (1) | KR20080074741A (ru) |
| CN (1) | CN101306307A (ru) |
| AT (1) | ATE476590T1 (ru) |
| DE (1) | DE502008001055D1 (ru) |
| RU (1) | RU2008105114A (ru) |
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| RU2637157C2 (ru) * | 2012-04-17 | 2017-11-30 | ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи | Система выпуска отработавших газов (варианты) |
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- 2008-01-09 AT AT08100270T patent/ATE476590T1/de active
- 2008-01-09 DE DE502008001055T patent/DE502008001055D1/de active Active
- 2008-01-09 EP EP08100270A patent/EP1956206B1/de not_active Not-in-force
- 2008-01-17 US US12/009,172 patent/US20080193353A1/en not_active Abandoned
- 2008-01-30 KR KR1020080009629A patent/KR20080074741A/ko not_active Withdrawn
- 2008-02-03 CN CNA200810005386XA patent/CN101306307A/zh active Pending
- 2008-02-08 RU RU2008105114/06A patent/RU2008105114A/ru not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2541361C2 (ru) * | 2010-11-08 | 2015-02-10 | Сканиа Св Аб | Устройство и способ дополнительной обработки выхлопных газов транспортного средства с восстановительной испаряющей поверхностью, подогреваемой элементом пельтье |
| RU2637157C2 (ru) * | 2012-04-17 | 2017-11-30 | ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи | Система выпуска отработавших газов (варианты) |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1956206A3 (de) | 2008-10-08 |
| EP1956206B1 (de) | 2010-08-04 |
| EP1956206A2 (de) | 2008-08-13 |
| DE502008001055D1 (de) | 2010-09-16 |
| KR20080074741A (ko) | 2008-08-13 |
| CN101306307A (zh) | 2008-11-19 |
| ATE476590T1 (de) | 2010-08-15 |
| US20080193353A1 (en) | 2008-08-14 |
| JP2008196479A (ja) | 2008-08-28 |
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