DK178097B1 - A combustion engine system - Google Patents

A combustion engine system Download PDF

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Publication number
DK178097B1
DK178097B1 DKPA201370637A DKPA201370637A DK178097B1 DK 178097 B1 DK178097 B1 DK 178097B1 DK PA201370637 A DKPA201370637 A DK PA201370637A DK PA201370637 A DKPA201370637 A DK PA201370637A DK 178097 B1 DK178097 B1 DK 178097B1
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DK
Denmark
Prior art keywords
nox
combustion engine
reducing agent
internal combustion
exhaust gas
Prior art date
Application number
DKPA201370637A
Other languages
English (en)
Inventor
Morten Vejlgaard-Lauersen
Ioannis Gekas
Original Assignee
Man Diesel & Turbo Deutschland
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 Man Diesel & Turbo Deutschland filed Critical Man Diesel & Turbo Deutschland
Priority to DKPA201370637A priority Critical patent/DK178097B1/en
Priority to JP2014222488A priority patent/JP5981513B2/ja
Priority to KR1020140150464A priority patent/KR101603608B1/ko
Priority to CN201410601760.8A priority patent/CN104594985B/zh
Publication of DK201370637A1 publication Critical patent/DK201370637A1/da
Application granted granted Critical
Publication of DK178097B1 publication Critical patent/DK178097B1/en
Priority to JP2016093877A priority patent/JP2016173109A/ja

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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
    • F01N3/18—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
    • 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
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • 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
    • F01N3/36—Arrangements for supply of additional 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
    • F01N9/00—Electrical control of exhaust gas treating apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
    • 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
    • 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
    • Y02T10/40—Engine management systems

Claims (10)

1. Forbrændingsmotorsystem (1) omfattende: - en intern forbrændingsmotor (2) der bar motordata og genererer en udstødningsgas, - en gasrensningsindretning (4) til rensning af udstødningsgassen fra den interne forbrændingsmotor (2), hvor gasrensningsindretningen (4) omfatter: - en ΝΟχ-reduceringsenhed (5) der er i fiuidforbindeise med den interne forbrændingsmotor (2) ti! modtagelse af udstødningsgassen, hvor NOx-reduceringsenbeden (5) omfatter én eller flere katalytiske reaktorer (6), - en reduceringsmiddeltilførselsenhed (7) der er i fiuidforbindeise med ΝΟχ-reduceringsenheden (5), hvilken reduceringsmiddeltilførselsenhed (7) omfatter: - en doseringsenhed (9) til dosering af en mængde reduceringsmiddel (18) til udstødningsgassen i eller inden, den løber ind i ΝΟχ-reduceringsenheden (5), hvor mængden af reduceringsmiddel (18) udledes fra motordafaene, og en l\iOx~5ensor (10) placeret nedstrøms i forhold til ΝΟχ-reduceringsenheden (5) til måling af en NOx-koncentration i udstødningsgassen, hvor gasrensningsindretningen (4) endvidere omfatter en styreenhed (16), der er tilpasset til at reducere mængden af reduceringsmiddel (18) tilført til ΝΟχ-reduceringsenheden (5), når den NOx-koncentration, der måles af NOx-sensoren (10), er under en på forhånd bestemt NOx-koncentrationsværdi i udstødningsgassen, kendetegnet ved at en varmeveksler (3) er placeret nedstrøms i forhold til den interne forbrændingsmotor, at den katalytiske reaktor/de katalytiske reaktorer har en volumen på mindst 200 liter, og at den interne forbrændingsmotor drives af et brændstof, der har et svovlindhold på mindst 0,05 %.
2. Forbrændingsmotorsystem ifølge krav 1, hvor reduceringsmidlet (18) omfatter ammoniak,
3. Forbrændingsmotorsystem ifølge krav 1 eller 2, hvor den katalytiske reaktor (6) er konfigureret ti! at holde mindst 100 gram NH3, når den er i drift, fortrinsvis mindst 150 gram NH3, når den er i drift, og mere foretrukket mindst 180 gram NH3, når den er i drift.
4. Forbrændingsmotorsystem ifølge krav 1 eller 2, hvilket forbrændingsmotorsystem endvidere omfatter en timer (17), der er tilpasset til at styre en aktivering af NOx-sensoren (10).
5. Forbrændingsmotorsystem ifølge et hvilket som helst af de foregående krav, hvor gasrensningsindretningen (4) endvidere omfatter et frakoblingsorgan (19) til frakobling af NOx-sensoren (10) med henblik på vedligeholdelse eller udskiftning,
6. ΝΟχ-reduceringsfremgangsmåde til reduktion af en ammoniumbisulfitformation (ABS-formation) i en varmeveksler (3) i et forbrændingsmotorsystem (1) ifølge krav 1-5, hvilken fremgangsmåde omfatter følgende trin: - bestemmelse af motordata for den interne forbrændingsmotor (2), - beregning af en mængde reduceringsmiddel (18) der skal doseres til udstødningsgassen i eller inden, den løber ind i NOx~reducermgsenbeden (5), baseret på motordata og driftsforhold for den interne forbrændingsmotor (2) for at reducere en NOx-koncentration i udstødningsgassen til en på forhånd bestemt ΝΟχ-koncentrationsværdl, - dosering af mængden af reduceringsmiddel (18) til NOx-reduceringsenheden (5), - måling af NOx-koncentrationen i gassen nødstrøms i forhold til NOx-reduceringsenheden (5) og opstrøms i forhold til varmeveksleren (3) ved hjælp af NOx~sen5oren (10), - sammenligning af den målte NOx~koncentration med den på forhånd bestemte NOx-koncentrationsværdi, og - reduktion af mængden af reduceringsmiddel (18) ved hjælp af styreenheden (16), hvis den målte NOx-koncentration er under en på forhånd bestemt værdi.
7. ΝΟχ-reduceringsfremgangsmåde ifølge krav 6, hvor trinnet til reduktion af mængden af reduceringsmiddei (18) gentages, indtil den målte NOx-koncentration er over den på forhånd bestemte værdi med henblik på at anvende akkumuleret reduceringsmiddei (18) i NOx-reduceringsenheden (5).
8. NOx-reduceringsmiddel ifølge krav 6 eller 7, hvor trinnet til reduktion af mængden af reduceringsmiddei (18) udføres, når mindst to på hinanden følgende målinger af NQx-koncentrationen er under den på forhånd bestemte værdi.
9. ΝΟχ-reduceringsfremgangsniåde ifølge krav 8, hvilken NOx- reduceringsfremgangsmåde endvidere omfatter trinnet til aktivering af NOx-sensoren (10) ved et på forhånd bestemt interval ved hjælp af en timer (17),
10, NOx-reduceringsfremgangsmåde ifølge krav 9, hvilken NOx- reduceringsfremgangsmåde endvidere omfatter trinnet til justering af det på forhånd bestemte interval, ved hvilket timeren (17) aktiverer NOx-sensoren.
DKPA201370637A 2013-10-31 2013-10-31 A combustion engine system DK178097B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DKPA201370637A DK178097B1 (en) 2013-10-31 2013-10-31 A combustion engine system
JP2014222488A JP5981513B2 (ja) 2013-10-31 2014-10-31 燃焼機関システム
KR1020140150464A KR101603608B1 (ko) 2013-10-31 2014-10-31 연소기관 시스템
CN201410601760.8A CN104594985B (zh) 2013-10-31 2014-10-31 内燃机系统
JP2016093877A JP2016173109A (ja) 2013-10-31 2016-05-09 燃焼機関システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK201370637 2013-10-31
DKPA201370637A DK178097B1 (en) 2013-10-31 2013-10-31 A combustion engine system

Publications (2)

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DK201370637A1 DK201370637A1 (en) 2015-05-11
DK178097B1 true DK178097B1 (en) 2015-05-18

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JP (2) JP5981513B2 (da)
KR (1) KR101603608B1 (da)
CN (1) CN104594985B (da)
DK (1) DK178097B1 (da)

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Publication number Priority date Publication date Assignee Title
AT518522B1 (de) * 2016-07-18 2017-11-15 Avl List Gmbh Verfahren zur erkennung einer undichten stelle in einem wärmerückgewinnungssystem
EP3591181A1 (en) * 2018-07-03 2020-01-08 Winterthur Gas & Diesel Ltd. Internal combustion engine and method of measuring a component of exhaust in an exhaust gas

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US20070144150A1 (en) * 2005-11-14 2007-06-28 Robert Bosch Gmbh Procedure for controlling the reducing agent in an exhaust gas post-processing system
US20070243115A1 (en) * 2004-08-23 2007-10-18 Hino Motors, Ltd. Exhaust Gas Purification Apparatus
EP2146064A1 (en) * 2007-04-06 2010-01-20 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification apparatus for internal combustion engine
US20100205940A1 (en) * 2007-09-05 2010-08-19 Toyota Jidosha Kabushiki Kaisha Exhaust emission control system of internal combustion engine and exhaust emission control method

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US20070243115A1 (en) * 2004-08-23 2007-10-18 Hino Motors, Ltd. Exhaust Gas Purification Apparatus
US20070144150A1 (en) * 2005-11-14 2007-06-28 Robert Bosch Gmbh Procedure for controlling the reducing agent in an exhaust gas post-processing system
EP2146064A1 (en) * 2007-04-06 2010-01-20 Toyota Jidosha Kabushiki Kaisha Exhaust gas purification apparatus for internal combustion engine
US20100205940A1 (en) * 2007-09-05 2010-08-19 Toyota Jidosha Kabushiki Kaisha Exhaust emission control system of internal combustion engine and exhaust emission control method

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Publication number Publication date
JP2016173109A (ja) 2016-09-29
JP5981513B2 (ja) 2016-08-31
KR20150050517A (ko) 2015-05-08
DK201370637A1 (en) 2015-05-11
JP2015086880A (ja) 2015-05-07
CN104594985B (zh) 2018-06-01
CN104594985A (zh) 2015-05-06
KR101603608B1 (ko) 2016-03-15

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