DK2761148T3 - Anordning til at indføre et flydende medium i udstødningsgasser fra en forbrændingsmotor - Google Patents

Anordning til at indføre et flydende medium i udstødningsgasser fra en forbrændingsmotor Download PDF

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Publication number
DK2761148T3
DK2761148T3 DK12834618.6T DK12834618T DK2761148T3 DK 2761148 T3 DK2761148 T3 DK 2761148T3 DK 12834618 T DK12834618 T DK 12834618T DK 2761148 T3 DK2761148 T3 DK 2761148T3
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DK
Denmark
Prior art keywords
wall
tubular
mixing chamber
exhaust
exhaust passage
Prior art date
Application number
DK12834618.6T
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English (en)
Inventor
Daniel Norling
Daniel Ryrfeldt
Markus Mustonen
Henrik Birgersson
Emelie Lagerkvist
Itabi Fatima El
Per Birkestad
Magnus Wahlberg
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Scania Cv Ab
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Publication of DK2761148T3 publication Critical patent/DK2761148T3/da

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Classifications

    • 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
    • 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
    • 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
    • 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
    • B01F25/421—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 by moving the components in a convoluted or labyrinthine path
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F35/93—Heating or cooling systems arranged inside the receptacle
    • 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]
    • 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
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • 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
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/90—Heating or cooling systems
    • B01F2035/99—Heating
    • 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
    • F01N2260/08—Exhaust treating devices having provisions not otherwise provided for for preventing heat loss or temperature drop, using other means than layers of heat-insulating material
    • 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 exhaust gas passages, pipes or tubes
    • F01N2470/18—Structure or shape of exhaust gas passages, pipes or tubes the axis of inlet or outlet tubes being other than the longitudinal axis of 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
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • 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
    • 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
    • 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
    • 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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  • 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)

Claims (9)

1. Anordning til at indføre et flydende medium, f.eks. urinstof, i udstødningsgasser fra en forbrændingsmotor, hvilken anordning (1) omfatter: - et blandingskammer (3), der er beregnet til at have udstødningsgasser strømme igennem det og hvilket har ved sin nedstrømsende (5) en endevæg (7) af termisk ledende materiale, der fungerer som en endeflade af blandingskammeret (3), - et indsprøjtningsorgan (12) til at indsprøjte det flydende medium på forstøvet form i blandingskammeret (3) eller ind i udstødningsgasser, der ledes ind i blandingskammeret (3), - en udstødningspassage, der er tilstødende blandingskammeret (3), og der er beregnet til at have udstødningsgasser strømme igennem det og er afgrænset fra blandingskammeret (3) af endevæggen (7), kendetegnet ved at varmeflanger (14) af termisk ledende materiale situeret på mindst en del af siden af endevæggen (7), der vender mod udstødningspassagen (13), strækker sig ind i udstødningspassagen (13) og er indrettet til at absorbere varme fra udstødningsgasser, der strømmer igennem udstødningspassagen og til at afgive denne varme til endevæggen (7), at udstødningspassagen (13) er forbundet til en rørformet kanaldel (16b) af en udstødningskanal (16), der er indrettet til at lede udstødningsgasser til udstødningspassagen (13), hvilken rørformet kanaldel (16b) er afgrænset i radiale retninger indad af en rørformet indre væg (19), der er forbundet til endevæggen (7), og at mindst nogle af varmeflangerne (14) er forsynet med flangedele (14a), der strækker sig ind i den rørformede kanaldel (16b). t
2. Anordning ifølge krav 1, kendetegnet ved at udstødningspassagen (13) er omgivet af en rørformet væg (15), hvor varmeflangerne (14) er situeret med en afstand fra denne rørformede væg (15).
3. Anordning ifølge krav 1 eller 2, kendetegnet ved at flangedelene (14a) er situeret med en afstand fra den rørformede indre væg (19).
4. Anordning ifølge krav 1 eller 3, kendetegnet ved at den rørformede kanaldel (16b) er afgrænset i radiale retninger udad afen rørformet ydre væg (20) situeret eksternt omkring den rørformede indre væg (19), hvor flangedelene (14a) er situeret mellem den rørformede indre væg (19) og den rørformede ydre væg (20) og med en afstand fra den rørformede ydre væg (20).
5. Anordning ifølge krav 4 i kombination med krav 2, kendetegnet ved at den rørformede ydre væg (20) af den rørformede kanaldel (16b) er forbundet til den rørformede væg (15) af udstødningspassagen (13).
6. Anordning ifølge et hvilket som helst af kravene 1-5, kendetegnet ved at varmeflangerne (14) er situeret på en ringformet del (7b) af endevæggen (7) og er fordelt i den periferiske retning af den ringformede del (7b).
7. Anordning ifølge et hvilket som helst af kravene 1-6, kendetegnet ved at udstødningspassagen (13) er situeret nedstrøms af blandingskammeret (3).
8. Anordning ifølge et hvilket som helst af kravene 1-7, kendetegnet ved at indsprøjtningsorganet (12) er situeret i midten af blandingskammerets opstrømsende (4) og er indrettet til at indsprøjte det flydende medium mod blandingskammerets nedstrømsende (5).
9. Anordning ifølge et hvilket som helst af kravene 1-8, kendetegnet ved at endevæggen (7) og varmeflangerne (14) er lavet af metal.
DK12834618.6T 2011-09-26 2012-09-12 Anordning til at indføre et flydende medium i udstødningsgasser fra en forbrændingsmotor DK2761148T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1150875A SE536062C2 (sv) 2011-09-26 2011-09-26 Arrangemang utrustat med värmeöverförande flänsar för att införa ett vätskeformigt medium i avgaser från en förbränningsmotor
PCT/SE2012/050957 WO2013048309A1 (en) 2011-09-26 2012-09-12 Arrangement for introducing a liquid medium into exhaust gases from a combustion engine

Publications (1)

Publication Number Publication Date
DK2761148T3 true DK2761148T3 (da) 2017-08-28

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Country Status (10)

Country Link
US (1) US9103258B2 (da)
EP (1) EP2761148B1 (da)
JP (1) JP2014526653A (da)
KR (1) KR101907133B1 (da)
CN (1) CN103827458B (da)
BR (1) BR112014007165B1 (da)
DK (1) DK2761148T3 (da)
RU (1) RU2563440C1 (da)
SE (1) SE536062C2 (da)
WO (1) WO2013048309A1 (da)

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EP2761148A4 (en) 2015-06-17
RU2563440C1 (ru) 2015-09-20
KR101907133B1 (ko) 2018-10-11
EP2761148B1 (en) 2017-05-10
JP2014526653A (ja) 2014-10-06
US9103258B2 (en) 2015-08-11
SE1150875A1 (sv) 2013-03-27
US20140311133A1 (en) 2014-10-23
BR112014007165A2 (pt) 2017-04-04
SE536062C2 (sv) 2013-04-23
BR112014007165B1 (pt) 2021-03-23
KR20140082753A (ko) 2014-07-02
CN103827458B (zh) 2016-02-03
WO2013048309A1 (en) 2013-04-04
EP2761148A1 (en) 2014-08-06
CN103827458A (zh) 2014-05-28

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