DE102004029387B4 - Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator - Google Patents

Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator Download PDF

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Publication number
DE102004029387B4
DE102004029387B4 DE102004029387A DE102004029387A DE102004029387B4 DE 102004029387 B4 DE102004029387 B4 DE 102004029387B4 DE 102004029387 A DE102004029387 A DE 102004029387A DE 102004029387 A DE102004029387 A DE 102004029387A DE 102004029387 B4 DE102004029387 B4 DE 102004029387B4
Authority
DE
Germany
Prior art keywords
disc
pellets
feeding device
urea
urea prills
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.)
Expired - Lifetime
Application number
DE102004029387A
Other languages
German (de)
English (en)
Other versions
DE102004029387A1 (de
Inventor
Roland Bertiller
Marco Bertiller
Eberhard Dr. Jacob
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge AG
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 Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Priority to DE102004029387A priority Critical patent/DE102004029387B4/de
Priority to DE502005000961T priority patent/DE502005000961D1/de
Priority to EP05009649A priority patent/EP1607372B1/de
Priority to US11/155,333 priority patent/US7178329B2/en
Priority to JP2005177314A priority patent/JP2006002775A/ja
Publication of DE102004029387A1 publication Critical patent/DE102004029387A1/de
Application granted granted Critical
Publication of DE102004029387B4 publication Critical patent/DE102004029387B4/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/90—Injecting reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B01D53/9431—Processes characterised by a specific device
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2062—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—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
    • F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
    • F01N2570/14—Nitrogen oxides
    • 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
    • F01N2610/12—Adding substances to exhaust gases the substance being in solid form, e.g. pellets or powder
    • 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
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
DE102004029387A 2004-06-17 2004-06-17 Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator Expired - Lifetime DE102004029387B4 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE102004029387A DE102004029387B4 (de) 2004-06-17 2004-06-17 Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator
DE502005000961T DE502005000961D1 (de) 2004-06-17 2005-05-03 Zuführvorrichtung zum Zuführen von festen Harnstoffgranulatkörnern in einen innerhalb oder ausserhalb einer Abgasleitung angeordneten Ammoniakgenerator
EP05009649A EP1607372B1 (de) 2004-06-17 2005-05-03 Zuführvorrichtung zum Zuführen von festen Harnstoffgranulatkörnern in einen innerhalb oder ausserhalb einer Abgasleitung angeordneten Ammoniakgenerator
US11/155,333 US7178329B2 (en) 2004-06-17 2005-06-16 Feed device for supplying solid urea granules into an ammonia generator arranged within or outside of an exhaust line
JP2005177314A JP2006002775A (ja) 2004-06-17 2005-06-17 排ガス管路の内側または外側に配置されたアンモニア発生器内に固体の尿素粒質物粒を供給するための供給装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004029387A DE102004029387B4 (de) 2004-06-17 2004-06-17 Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator

Publications (2)

Publication Number Publication Date
DE102004029387A1 DE102004029387A1 (de) 2006-01-12
DE102004029387B4 true DE102004029387B4 (de) 2006-12-28

Family

ID=34993214

Family Applications (2)

Application Number Title Priority Date Filing Date
DE102004029387A Expired - Lifetime DE102004029387B4 (de) 2004-06-17 2004-06-17 Zuführvorrichtung zum Zuführen von festen Harnstoffprills oder -pellets an einen Ammoniakgenerator
DE502005000961T Expired - Lifetime DE502005000961D1 (de) 2004-06-17 2005-05-03 Zuführvorrichtung zum Zuführen von festen Harnstoffgranulatkörnern in einen innerhalb oder ausserhalb einer Abgasleitung angeordneten Ammoniakgenerator

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE502005000961T Expired - Lifetime DE502005000961D1 (de) 2004-06-17 2005-05-03 Zuführvorrichtung zum Zuführen von festen Harnstoffgranulatkörnern in einen innerhalb oder ausserhalb einer Abgasleitung angeordneten Ammoniakgenerator

Country Status (4)

Country Link
US (1) US7178329B2 (enExample)
EP (1) EP1607372B1 (enExample)
JP (1) JP2006002775A (enExample)
DE (2) DE102004029387B4 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004042225B4 (de) * 2004-09-01 2017-08-31 MAN Truck & Bus Aktiengesellschaft Vorrichtung und Verfahren zur Erzeugung von Ammoniak aus festen Harnstoff-Pellets
DE102005018949A1 (de) * 2005-04-18 2006-10-19 Ami-Agrolinz Melamine International Gmbh Harnstoffpartikel, Verfahren zu dessen Herstellung und dessen Verwendung
DE102006004170A1 (de) * 2006-01-27 2007-08-02 Pierburg Gmbh Vorrichtung zur Reduktion von Stickoxiden im Abgas von Brennkraftmaschinen
DE102006023146A1 (de) * 2006-05-16 2007-11-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zum Bereitstellen eines gasförmigen Stoffgemisches
DE102006023145A1 (de) * 2006-05-16 2007-11-22 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur Aufbereitung des Abgases einer Verbrennungskraftmaschine
DE102006032292A1 (de) * 2006-07-11 2008-01-24 Volkswagen Ag Reduktionsmittelaufbereitungssystem für SCR-Katalysatoren
DE102006034204B4 (de) * 2006-07-25 2008-04-17 Pierburg Gmbh Dosiervorrichtung
DE102006047019A1 (de) * 2006-10-02 2008-04-03 Emitec Gesellschaft Für Emissionstechnologie Mbh Verfahren und Vorrichtung zur Bereitstellung eines ein Reduktionsmittel umfassenden Gasstroms
WO2008078059A1 (en) * 2006-12-22 2008-07-03 Perkins Engines Company Ltd Method and apparatus for selective catalytic nox reduction
DE102006062026B4 (de) * 2006-12-29 2009-08-20 Pierburg Gmbh Dosiervorrichtung für Festharnstoff-Partikel
US8069655B2 (en) * 2007-08-13 2011-12-06 Cummins Filtration Ip, Inc. Apparatus, system, and method for using a fraction of engine exhaust to deliver a dosant
US8056671B2 (en) * 2007-10-12 2011-11-15 Mazda Motor Corporation Exhaust-gas purification device disposition structure of vehicle
DE102008005759A1 (de) 2008-01-24 2009-07-30 Volkswagen Ag Vorratsbehälter zur Speicherung eines in einem Zerteilungsgrad vorliegenden und hygroskopischen Feststoffs
DE102008048209A1 (de) 2008-09-20 2010-04-01 Volkswagen Ag Verfahren zum Betreiben einer Abgasreinigungsanlage
DE102010029340A1 (de) * 2010-05-27 2011-12-01 Robert Bosch Gmbh Verfahren zum Betreiben eines SCR-Katalysators
RU2600051C2 (ru) * 2011-07-01 2016-10-20 Альцхем Аг Генератор газообразного аммиака для выработки аммиака для восстановления оксидов азота в отработавших газах
WO2013082078A1 (en) 2011-12-02 2013-06-06 Cummins Inc. Solid storage media charging with ammonia for use in selective catalytic reduction
CN102943703A (zh) * 2012-12-07 2013-02-27 吉林大学 一种用于固体尿素定量生成氨气的装置
CN104003416B (zh) * 2013-04-19 2015-09-30 中国大唐集团环境技术有限公司 一种蜗壳进气旋流式尿素热解制氨装置及方法
CN103287871A (zh) * 2013-05-22 2013-09-11 南通三鑫重工机械有限公司 一种库侧卸料装置
CN105626215A (zh) * 2014-10-27 2016-06-01 金有纯 调控进入排气系统的尿素实际供给量的装置及调控方法
BR112021006292A2 (pt) * 2018-10-02 2021-07-06 Cummins Emission Solutions Inc sistemas e métodos para inserção de redutor químico seco em sistemas de pós-tratamento
US12286391B2 (en) * 2020-10-09 2025-04-29 AWA Technology LLC Diesel exhaust fluid on demand system, apparatus, and method
CN113464837B (zh) * 2021-09-01 2021-11-19 江苏新鹏重型机电制造有限公司 脱硫脱硝用设有旋涡式稳压导流的辅助进气结构及方法
CN114542245B (zh) * 2022-01-24 2023-05-02 安徽理工大学 一种机动车尾气降解治理设备

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US5809775A (en) * 1997-04-02 1998-09-22 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by selective catalytic reduction utilizing solid reagents
US20030211024A1 (en) * 2002-05-10 2003-11-13 Wojichowski David Lee Methods of converting urea to ammonia for SCR, SNCR and flue gas conditioning
DE10251498A1 (de) * 2002-11-04 2004-05-19 Universität Kaiserslautern Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen

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DE4423003C2 (de) * 1993-07-06 1999-01-21 Ford Werke Ag Verfahren und Vorrichtung zum Reduzieren von NO¶x¶ in den Abgasen von Kraftfahrzeugverbrennungsmotoren
JPH081436U (ja) * 1994-11-22 1996-10-01 株式会社新潟鉄工所 排ガス還元剤の供給装置
DE19504992C1 (de) * 1995-02-15 1996-03-14 Labschies Hartmut Vorrichtung zur Erzeugung eines kontinuierlichen Schüttgutstromes sowie die Ermittlung dessen Förderstärke bzw. Dosiermenge
US6399034B1 (en) * 1997-05-14 2002-06-04 Hjs Fahrzeugtechnik Gmbh & Co. Process for reducing nitrogen oxides on SCR catalyst
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US6266955B1 (en) * 1999-08-20 2001-07-31 Caterpillar Inc. Diagnostic system for an emissions control on an engine
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DE10206028A1 (de) * 2002-02-14 2003-08-28 Man Nutzfahrzeuge Ag Verfahren und Vorrichtung zur Erzeugung von Ammoniak
DE10252734A1 (de) * 2002-11-13 2004-05-27 Robert Bosch Gmbh Verfahren und Vorrichtung zum Reinigen von Abgasen einer Brennkraftmaschine

Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
US5809775A (en) * 1997-04-02 1998-09-22 Clean Diesel Technologies, Inc. Reducing NOx emissions from an engine by selective catalytic reduction utilizing solid reagents
US20030211024A1 (en) * 2002-05-10 2003-11-13 Wojichowski David Lee Methods of converting urea to ammonia for SCR, SNCR and flue gas conditioning
DE10251498A1 (de) * 2002-11-04 2004-05-19 Universität Kaiserslautern Vorrichtung und Verfahren zur Dosierung und Förderung von trockenem Harnstoff, insbesondere bei der Durchführung des SCR-Verfahrens in Kraftfahrzeugen

Also Published As

Publication number Publication date
JP2006002775A (ja) 2006-01-05
DE502005000961D1 (de) 2007-08-16
EP1607372A3 (de) 2006-07-26
DE102004029387A1 (de) 2006-01-12
US20050284135A1 (en) 2005-12-29
EP1607372B1 (de) 2007-07-04
US7178329B2 (en) 2007-02-20
EP1607372A2 (de) 2005-12-21

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Representative=s name: FLOYMAYR, MICHAEL, DIPL.-ING., DE

R071 Expiry of right