RU2008149238A - DEVICE FOR PROCESSING EXHAUST GASES FORMED WHEN THE INTERNAL COMBUSTION ENGINE IS OPERATING - Google Patents

DEVICE FOR PROCESSING EXHAUST GASES FORMED WHEN THE INTERNAL COMBUSTION ENGINE IS OPERATING Download PDF

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Publication number
RU2008149238A
RU2008149238A RU2008149238/06A RU2008149238A RU2008149238A RU 2008149238 A RU2008149238 A RU 2008149238A RU 2008149238/06 A RU2008149238/06 A RU 2008149238/06A RU 2008149238 A RU2008149238 A RU 2008149238A RU 2008149238 A RU2008149238 A RU 2008149238A
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Russia
Prior art keywords
supply line
heater
catalyst
tubular casing
hydrolysis
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Application number
RU2008149238/06A
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Russian (ru)
Inventor
Рольф БРЮКК (DE)
Рольф БРЮКК
Марк БРУГГЕР (DE)
Марк БРУГГЕР
Томас ХЭРИГ (DE)
Томас ХЭРИГ
Петер ХИРТ (DE)
Петер ХИРТ
Ульф КЛАЙН (DE)
Ульф КЛАЙН
Original Assignee
Эмитек Гезельшафт фюр Эмиссионстехнологи мбХ (DE)
Эмитек Гезельшафт Фюр Эмиссионстехнологи Мбх
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Application filed by Эмитек Гезельшафт фюр Эмиссионстехнологи мбХ (DE), Эмитек Гезельшафт Фюр Эмиссионстехнологи Мбх filed Critical Эмитек Гезельшафт фюр Эмиссионстехнологи мбХ (DE)
Publication of RU2008149238A publication Critical patent/RU2008149238A/en

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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • 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
    • F01N2240/16—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 an electric heater, i.e. a resistance heater
    • 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
    • F01N2240/40—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 hydrolysis catalyst
    • 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
    • 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
    • F01N2610/11—Adding substances to exhaust gases the substance or part of the dosing system being cooled
    • 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)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)

Abstract

1. Устройство (1) для обработки отработавших газов (ОГ) (2), образующихся при работе двигателя внутреннего сгорания, имеющее по меньшей мере одну подводящую линию (4) для подачи водного раствора, соединенный с подводящей линией (4) катализатор (5) гидролиза и проточный для ОГ (2) катализатор (7) селективного каталитического восстановления, отличающееся тем, что предусмотрен по меньшей мере один стержневой нагреватель (9) для обогрева по меньшей мере одного из следующих компонентов: ! а) по меньшей мере отдельных участков подводящей линии (4) и ! б) катализатора (5) гидролиза. ! 2. Устройство по п.1, в котором подводящая линия (4) имеет с внутренней стороны среднюю высоту неровностей профиля в пределах от 8 до 12 мкм. ! 3. Устройство по п.1 или 2, в котором подводящая линия (4) выполнена из материала с теплопроводностью более 200 Вт/(м·К). ! 4. Устройство по п.1 или 2, в котором подводящая линия (4) выполнена из алюминийсодержащего материала. ! 5. Устройство по п.1 или 2, в котором вокруг стержневого нагревателя (9) расположен по меньшей мере один из следующих компонентов: ! а) по меньшей мере отдельные участки подводящей линии (4) и ! б) катализатор (5) гидролиза. ! 6. Устройство по п.1 или 2, в котором подводящая линия (4) имеет по меньшей мере один канал (3), который по меньшей мере частично образован трубчатым кожухом (14) нагревателя (9). ! 7. Устройство по п.6, в котором по меньшей мере один канал (3) выполнен в трубчатом кожухе (14). ! 8. Устройство по п.6, в котором по меньшей мере один канал (3) с радиально внутренней стороны ограничен трубчатым кожухом (14) нагревателя (9), а с радиально наружной стороны - гильзой (15), расположенной соосно нагревателю (9). ! 9. Устройство по 1. Device (1) for the treatment of exhaust gases (OG) (2) generated during the operation of an internal combustion engine, having at least one supply line (4) for supplying an aqueous solution, a catalyst (5) connected to the supply line (4) hydrolysis and exhaust gas flow-through (2) selective catalytic reduction catalyst (7), characterized in that at least one rod heater (9) is provided for heating at least one of the following components:! a) at least individual sections of the supply line (4) and! b) a hydrolysis catalyst (5). ! 2. A device according to claim 1, in which the supply line (4) has on the inner side an average height of the profile irregularities in the range from 8 to 12 μm. ! 3. A device according to claim 1 or 2, in which the supply line (4) is made of a material with a thermal conductivity of more than 200 W / (m · K). ! 4. A device according to claim 1 or 2, in which the supply line (4) is made of an aluminum-containing material. ! 5. A device according to claim 1 or 2, in which at least one of the following components is located around the heater rod (9):! a) at least individual sections of the supply line (4) and! b) catalyst (5) hydrolysis. ! 6. A device according to claim 1 or 2, wherein the supply line (4) has at least one channel (3) which is at least partially formed by a tubular casing (14) of the heater (9). ! 7. A device according to claim 6, wherein at least one channel (3) is formed in a tubular casing (14). ! 8. Device according to claim 6, in which at least one channel (3) is bounded on the radially inner side by a tubular casing (14) of the heater (9), and on the radially outer side by a sleeve (15) located coaxially with the heater (9) ... ! 9. Device by

Claims (12)

1. Устройство (1) для обработки отработавших газов (ОГ) (2), образующихся при работе двигателя внутреннего сгорания, имеющее по меньшей мере одну подводящую линию (4) для подачи водного раствора, соединенный с подводящей линией (4) катализатор (5) гидролиза и проточный для ОГ (2) катализатор (7) селективного каталитического восстановления, отличающееся тем, что предусмотрен по меньшей мере один стержневой нагреватель (9) для обогрева по меньшей мере одного из следующих компонентов:1. Device (1) for treating exhaust gases (OG) (2) resulting from the operation of an internal combustion engine, having at least one supply line (4) for supplying an aqueous solution, a catalyst (5) connected to the supply line (4) hydrolysis and flow for exhaust gas (2) catalyst (7) selective catalytic reduction, characterized in that at least one rod heater (9) is provided for heating at least one of the following components: а) по меньшей мере отдельных участков подводящей линии (4) иa) at least certain sections of the supply line (4) and б) катализатора (5) гидролиза.b) a catalyst (5) for hydrolysis. 2. Устройство по п.1, в котором подводящая линия (4) имеет с внутренней стороны среднюю высоту неровностей профиля в пределах от 8 до 12 мкм.2. The device according to claim 1, in which the supply line (4) has on the inside the average height of the profile irregularities in the range from 8 to 12 microns. 3. Устройство по п.1 или 2, в котором подводящая линия (4) выполнена из материала с теплопроводностью более 200 Вт/(м·К).3. The device according to claim 1 or 2, in which the supply line (4) is made of a material with a thermal conductivity of more than 200 W / (m · K). 4. Устройство по п.1 или 2, в котором подводящая линия (4) выполнена из алюминийсодержащего материала.4. The device according to claim 1 or 2, in which the supply line (4) is made of aluminum-containing material. 5. Устройство по п.1 или 2, в котором вокруг стержневого нагревателя (9) расположен по меньшей мере один из следующих компонентов:5. The device according to claim 1 or 2, in which at least one of the following components is located around the rod heater (9): а) по меньшей мере отдельные участки подводящей линии (4) иa) at least separate sections of the supply line (4) and б) катализатор (5) гидролиза.b) a catalyst (5) for hydrolysis. 6. Устройство по п.1 или 2, в котором подводящая линия (4) имеет по меньшей мере один канал (3), который по меньшей мере частично образован трубчатым кожухом (14) нагревателя (9).6. The device according to claim 1 or 2, in which the supply line (4) has at least one channel (3), which is at least partially formed by a tubular casing (14) of the heater (9). 7. Устройство по п.6, в котором по меньшей мере один канал (3) выполнен в трубчатом кожухе (14).7. The device according to claim 6, in which at least one channel (3) is made in a tubular casing (14). 8. Устройство по п.6, в котором по меньшей мере один канал (3) с радиально внутренней стороны ограничен трубчатым кожухом (14) нагревателя (9), а с радиально наружной стороны - гильзой (15), расположенной соосно нагревателю (9).8. The device according to claim 6, in which at least one channel (3) on the radially inner side is bounded by a tubular casing (14) of the heater (9), and on the radially outer side - a sleeve (15) located coaxially with the heater (9) . 9. Устройство по п.1 или 2, в котором снаружи нагревателя (9) расположена гильза (15), которая по меньшей мере частично находится в тепловом контакте с по меньшей мере одним из следующих компонентов:9. The device according to claim 1 or 2, in which the sleeve (15) is located outside the heater (9), which is at least partially in thermal contact with at least one of the following components: а) по меньшей мере отдельными участками подводящей линии (4) иa) at least in separate sections of the supply line (4) and б) катализатором (5) гидролиза.b) a catalyst (5) for hydrolysis. 10. Устройство по п.6, в котором гильза (15) выполнена обогреваемой.10. The device according to claim 6, in which the sleeve (15) is made heated. 11. Устройство по п.1 или 2, в котором катализатор (5) гидролиза имеет кольцевой сотовый элемент (30) с проточными для текучей среды полостями (33) между внутренним трубчатым кожухом (35) и наружным трубчатым кожухом (34).11. The device according to claim 1 or 2, in which the hydrolysis catalyst (5) has an annular honeycomb element (30) with fluid-flowing cavities (33) between the inner tubular casing (35) and the outer tubular casing (34). 12. Устройство по п.11, в котором кольцевой сотовый элемент (30) своим внутренним трубчатым кожухом (35) по меньшей мере частично находится в тепловом контакте со стержневым нагревателем (9). 12. The device according to claim 11, in which the annular honeycomb element (30) with its inner tubular casing (35) is at least partially in thermal contact with the rod heater (9).
RU2008149238/06A 2006-05-16 2007-05-16 DEVICE FOR PROCESSING EXHAUST GASES FORMED WHEN THE INTERNAL COMBUSTION ENGINE IS OPERATING RU2008149238A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006023148.1 2006-05-16
DE102006023148A DE102006023148A1 (en) 2006-05-16 2006-05-16 Device for the treatment of exhaust gas of an internal combustion engine

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RU2008149238A true RU2008149238A (en) 2010-07-27

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RU2008149238/06A RU2008149238A (en) 2006-05-16 2007-05-16 DEVICE FOR PROCESSING EXHAUST GASES FORMED WHEN THE INTERNAL COMBUSTION ENGINE IS OPERATING

Country Status (9)

Country Link
US (1) US20090120078A1 (en)
EP (1) EP2018470A1 (en)
JP (1) JP2009537725A (en)
KR (1) KR20090027635A (en)
CN (1) CN101443533A (en)
DE (1) DE102006023148A1 (en)
RU (1) RU2008149238A (en)
TW (1) TW200744742A (en)
WO (1) WO2007131786A1 (en)

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WO2007131786A1 (en) 2007-11-22
JP2009537725A (en) 2009-10-29
TW200744742A (en) 2007-12-16
US20090120078A1 (en) 2009-05-14
KR20090027635A (en) 2009-03-17
EP2018470A1 (en) 2009-01-28
DE102006023148A1 (en) 2007-11-22

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