BR112022004604A2 - Misturador de gás de exaustão e redutor para um sistema de pós-tratamento - Google Patents
Misturador de gás de exaustão e redutor para um sistema de pós-tratamentoInfo
- Publication number
- BR112022004604A2 BR112022004604A2 BR112022004604A BR112022004604A BR112022004604A2 BR 112022004604 A2 BR112022004604 A2 BR 112022004604A2 BR 112022004604 A BR112022004604 A BR 112022004604A BR 112022004604 A BR112022004604 A BR 112022004604A BR 112022004604 A2 BR112022004604 A2 BR 112022004604A2
- Authority
- BR
- Brazil
- Prior art keywords
- exhaust gas
- reducer
- treatment system
- gas mixer
- reductant
- Prior art date
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
- B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
- B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
-
- 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
- B01F25/10—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components
- B01F25/103—Mixing by creating a vortex flow, e.g. by tangential introduction of flow components with additional mixing means other than vortex mixers, e.g. the vortex chamber being positioned in another mixing chamber
-
- 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
- B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
- B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
-
- 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
-
- 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
-
- 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
-
- 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
- F01N2610/03—Adding substances to exhaust gases the substance being hydrocarbons, e.g. engine fuel
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
-
- 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]
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
misturador de gás de exaustão e redutor para um sistema de pós-tratamento. aparelho e método para misturar redutor em um fluxo de gás de exaustão usando interceptação virtual. modalidades incluem um misturador de gás de exaustão e redutor compreendendo um corpo, um primeiro dispositivo de fluxo, e uma porta de entrada de redutor. o corpo define um caminho de fluxo de gás de exaustão tendo uma porção central. o primeiro dispositivo de fluxo gira o gás de exaustão em uma direção circunferencial em relação ao caminho de fluxo de gás. a porta de entrada de redutor introduz o redutor no caminho de fluxo de gás em um local a jusante do primeiro dispositivo e fluxo e em uma direção de introdução (1) deslocada da porção central, e (2) oposta à direção circunferencial.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962899979P | 2019-09-13 | 2019-09-13 | |
PCT/US2020/050318 WO2021050819A1 (en) | 2019-09-13 | 2020-09-11 | Exhaust gas and reductant mixer for an aftertreatment system |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112022004604A2 true BR112022004604A2 (pt) | 2022-05-31 |
Family
ID=74865868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112022004604A BR112022004604A2 (pt) | 2019-09-13 | 2020-09-11 | Misturador de gás de exaustão e redutor para um sistema de pós-tratamento |
Country Status (6)
Country | Link |
---|---|
US (1) | US11761365B2 (pt) |
CN (1) | CN114761676B (pt) |
BR (1) | BR112022004604A2 (pt) |
DE (1) | DE112020004364T5 (pt) |
GB (1) | GB2607398B (pt) |
WO (1) | WO2021050819A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114575976B (zh) | 2017-06-06 | 2023-10-27 | 康明斯排放处理公司 | 在后处理系统混合排气和还原剂的系统和方法 |
DE112021002674T5 (de) | 2020-05-08 | 2023-02-23 | Cummins Emission Solutions Inc. | Konfigurierbare Nachbehandlungssysteme, einschliesslich eines Gehäuses |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013101461A1 (de) * | 2013-02-14 | 2014-08-14 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Abgasleitungsabschnitt zur Zufuhr von flüssigem Additiv |
FR3041691B1 (fr) * | 2015-09-29 | 2017-12-01 | Faurecia Systemes D'echappement | Ligne d'echappement avec injecteur de reactif |
US9689290B2 (en) | 2015-12-01 | 2017-06-27 | GM Global Technology Operations LLC | Reductant mixing system for an exhaust gas after-treatment device |
US10443477B2 (en) * | 2017-04-25 | 2019-10-15 | Tenneco Automotive Operating Company Inc. | Counter-swirl mixer |
CN106968765A (zh) * | 2017-05-04 | 2017-07-21 | 安徽江淮汽车集团股份有限公司 | 一种柴油机尿素混合装置 |
CN114575976B (zh) | 2017-06-06 | 2023-10-27 | 康明斯排放处理公司 | 在后处理系统混合排气和还原剂的系统和方法 |
US10287948B1 (en) * | 2018-04-23 | 2019-05-14 | Faurecia Emissions Control Technologies, Usa, Llc | High efficiency mixer for vehicle exhaust system |
JP6948088B2 (ja) * | 2018-05-16 | 2021-10-13 | 日新工業株式会社 | 排気浄化装置 |
CN108708781B (zh) * | 2018-05-24 | 2019-11-15 | 无锡威孚力达催化净化器有限责任公司 | 用于排气后处理系统的混合器 |
US10907524B2 (en) * | 2019-04-11 | 2021-02-02 | Ford Global Technologies, Llc | Helical diesel exhaust fluid mixer |
US10632430B1 (en) | 2019-06-14 | 2020-04-28 | Cummins Emission Solutions Inc. | Systems and methods for mixing exhaust gases and reductant in an aftertreatment system |
-
2020
- 2020-09-11 US US17/642,628 patent/US11761365B2/en active Active
- 2020-09-11 WO PCT/US2020/050318 patent/WO2021050819A1/en active Application Filing
- 2020-09-11 DE DE112020004364.9T patent/DE112020004364T5/de active Pending
- 2020-09-11 BR BR112022004604A patent/BR112022004604A2/pt unknown
- 2020-09-11 CN CN202080064351.2A patent/CN114761676B/zh active Active
- 2020-09-11 GB GB2203488.8A patent/GB2607398B/en active Active
Also Published As
Publication number | Publication date |
---|---|
DE112020004364T5 (de) | 2022-06-15 |
WO2021050819A1 (en) | 2021-03-18 |
GB202203488D0 (en) | 2022-04-27 |
GB2607398B (en) | 2024-01-03 |
CN114761676B (zh) | 2024-02-27 |
US20220349331A1 (en) | 2022-11-03 |
US11761365B2 (en) | 2023-09-19 |
GB2607398A (en) | 2022-12-07 |
CN114761676A (zh) | 2022-07-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] |