EP2935817A4 - Arrangement to insert a liquid medium into exhausts from a combustion engine - Google Patents

Arrangement to insert a liquid medium into exhausts from a combustion engine

Info

Publication number
EP2935817A4
EP2935817A4 EP13864833.2A EP13864833A EP2935817A4 EP 2935817 A4 EP2935817 A4 EP 2935817A4 EP 13864833 A EP13864833 A EP 13864833A EP 2935817 A4 EP2935817 A4 EP 2935817A4
Authority
EP
European Patent Office
Prior art keywords
exhausts
insert
arrangement
combustion engine
liquid medium
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.)
Withdrawn
Application number
EP13864833.2A
Other languages
German (de)
French (fr)
Other versions
EP2935817A1 (en
Inventor
Fredrik Holmberg
Henrik Birgersson
Hans Göransson
Tommy Eriksson
Morgan Colling
Eric Furbo
Niklas Nordin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scania CV AB
Original Assignee
Scania CV AB
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Scania CV AB filed Critical Scania CV AB
Publication of EP2935817A1 publication Critical patent/EP2935817A1/en
Publication of EP2935817A4 publication Critical patent/EP2935817A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B01F25/435—Mixing tubes composed of concentric tubular members
    • 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
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/915—Reverse flow, i.e. flow changing substantially 180° in direction
    • 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
    • B01F2025/93—Arrangements, nature or configuration of flow guiding elements
    • B01F2025/931—Flow guiding elements surrounding feed openings, e.g. jet nozzles
    • 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
    • B01F23/21321—High pressure atomization, i.e. the liquid is atomized and sprayed by a jet at high pressure
    • 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
    • F01N13/08—Other arrangements or adaptations of exhaust conduits
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/08—Gas passages being formed between the walls of an outer shell and an inner chamber
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/24—Concentric tubes or tubes being concentric to housing, e.g. telescopically assembled
    • 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
    • F01N2470/00—Structure or shape of gas passages, pipes or tubes
    • F01N2470/30—Tubes with restrictions, i.e. venturi or the like, e.g. for sucking air or measuring mass flow
    • 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
    • F01N2610/10—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
    • 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)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dispersion Chemistry (AREA)
  • Exhaust Gas After Treatment (AREA)
EP13864833.2A 2012-12-21 2013-12-05 Arrangement to insert a liquid medium into exhausts from a combustion engine Withdrawn EP2935817A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1251488A SE536832C2 (en) 2012-12-21 2012-12-21 Arrangement for introducing a liquid medium into exhaust gases from an internal combustion engine
PCT/SE2013/051456 WO2014098728A1 (en) 2012-12-21 2013-12-05 Arrangement to insert a liquid medium into exhausts from a combustion engine

Publications (2)

Publication Number Publication Date
EP2935817A1 EP2935817A1 (en) 2015-10-28
EP2935817A4 true EP2935817A4 (en) 2016-09-28

Family

ID=50978863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13864833.2A Withdrawn EP2935817A4 (en) 2012-12-21 2013-12-05 Arrangement to insert a liquid medium into exhausts from a combustion engine

Country Status (6)

Country Link
EP (1) EP2935817A4 (en)
KR (1) KR20150092337A (en)
BR (1) BR112015014580A2 (en)
RU (1) RU2609009C2 (en)
SE (1) SE536832C2 (en)
WO (1) WO2014098728A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016003739A1 (en) * 2016-03-31 2017-10-05 Man Diesel & Turbo Se Exhaust after treatment system and internal combustion engine
US10337380B2 (en) 2017-07-07 2019-07-02 Faurecia Emissions Control Technologies, Usa, Llc Mixer for a vehicle exhaust system
US10577995B2 (en) 2017-08-25 2020-03-03 Faurecia Emissions Control Technologies, Usa, Llc Double wall mixer with active heat transfer
US10316721B1 (en) 2018-04-23 2019-06-11 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10287948B1 (en) 2018-04-23 2019-05-14 Faurecia Emissions Control Technologies, Usa, Llc High efficiency mixer for vehicle exhaust system
US10787946B2 (en) 2018-09-19 2020-09-29 Faurecia Emissions Control Technologies, Usa, Llc Heated dosing mixer
CN110397496A (en) * 2019-07-31 2019-11-01 天纳克（苏州）排放系统有限公司 Tail-gas after treatment apparatus
US11193412B2 (en) 2019-09-30 2021-12-07 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system
US11788454B2 (en) 2020-11-23 2023-10-17 Faurecia Emissions Control Technologies, Usa, Llc Flow diverter for high efficiency mixer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001387A1 (en) * 1995-06-28 1997-01-16 Siemens Aktiengesellschaft Catalytic purification process and device for exhaust gas from a combustion system
WO2005073524A1 (en) * 2004-01-30 2005-08-11 Robert Bosch Gmbh Method and device for post treating waste gas of an internal combustion engine
US20080092526A1 (en) * 2004-08-06 2008-04-24 Christian Kunkel Arrangement For Supplying A Medium Into An Exhaust Gas Conduit In An Internal Combustion Engine
DE102009036511A1 (en) * 2009-08-07 2011-02-10 Friedrich Boysen Gmbh & Co. Kg Exhaust system for e.g. diesel engine, has waste gas duct provided between input and exhaust gas treatment devices, and including deflection device for partial feedback of exhaust gas flow against main exhaust gas flow direction
WO2013048309A1 (en) * 2011-09-26 2013-04-04 Scania Cv Ab Arrangement for introducing a liquid medium into exhaust gases from a combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3630030A (en) * 1970-02-09 1971-12-28 Donaldson Co Inc Liquid-attenuated exhaust system
JP2005105970A (en) * 2003-09-30 2005-04-21 Nissan Diesel Motor Co Ltd Exhaust emission control device of engine
JP2005226528A (en) * 2004-02-12 2005-08-25 Tokyo Roki Co Ltd Scr muffler
FR2910533A1 (en) * 2006-12-21 2008-06-27 Renault Sas Exhaust gas' depollution system regenerating device for motor vehicle, has accumulator units restituting absorbed heat during exothermal reaction when temperature is reduced due to cooling by vaporization of liquid reducing agent
DE102007048560A1 (en) * 2007-10-09 2009-04-23 Audi Ag Device for post-treatment of exhaust gases of a lean-running internal combustion engine
EP2358982B1 (en) * 2008-12-17 2017-11-08 Donaldson Company, Inc. Flow device for an exhaust system
SE535235C2 (en) * 2010-10-22 2012-06-05 Scania Cv Abp Arrangement for introducing a liquid medium into exhaust gases from an internal combustion engine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997001387A1 (en) * 1995-06-28 1997-01-16 Siemens Aktiengesellschaft Catalytic purification process and device for exhaust gas from a combustion system
WO2005073524A1 (en) * 2004-01-30 2005-08-11 Robert Bosch Gmbh Method and device for post treating waste gas of an internal combustion engine
US20080092526A1 (en) * 2004-08-06 2008-04-24 Christian Kunkel Arrangement For Supplying A Medium Into An Exhaust Gas Conduit In An Internal Combustion Engine
DE102009036511A1 (en) * 2009-08-07 2011-02-10 Friedrich Boysen Gmbh & Co. Kg Exhaust system for e.g. diesel engine, has waste gas duct provided between input and exhaust gas treatment devices, and including deflection device for partial feedback of exhaust gas flow against main exhaust gas flow direction
WO2013048309A1 (en) * 2011-09-26 2013-04-04 Scania Cv Ab Arrangement for introducing a liquid medium into exhaust gases from a combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014098728A1 *

Also Published As

Publication number Publication date
SE1251488A1 (en) 2014-06-22
RU2015129689A (en) 2017-01-30
SE536832C2 (en) 2014-09-23
RU2609009C2 (en) 2017-01-30
WO2014098728A1 (en) 2014-06-26
EP2935817A1 (en) 2015-10-28
BR112015014580A2 (en) 2017-07-11
KR20150092337A (en) 2015-08-12

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: BIRGERSSON, HENRIK

Inventor name: COLLING, MORGAN

Inventor name: GOERANSSON, HANS

Inventor name: FURBO, ERIC

Inventor name: HOLMBERG, FREDRIK

Inventor name: NORDIN, NIKLAS

Inventor name: ERIKSSON, TOMMY

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Effective date: 20160830

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