RU2015149024A - REAGENT INJECTION SYSTEM IN THE OUTLET - Google Patents

REAGENT INJECTION SYSTEM IN THE OUTLET Download PDF

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Publication number
RU2015149024A
RU2015149024A RU2015149024A RU2015149024A RU2015149024A RU 2015149024 A RU2015149024 A RU 2015149024A RU 2015149024 A RU2015149024 A RU 2015149024A RU 2015149024 A RU2015149024 A RU 2015149024A RU 2015149024 A RU2015149024 A RU 2015149024A
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ammonia
liquid
precursor
source
flow control
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RU2015149024A
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Russian (ru)
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Мартин ПРАМАС
Мурад ХЕДНА
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Вольво Трак Корпорейшн
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Publication of RU2015149024A publication Critical patent/RU2015149024A/en

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    • 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
    • F01N3/2896—Liquid catalyst carrier
    • 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
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • F01N2610/01—Adding substances to exhaust gases the substance being catalytic material in liquid form
    • 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
    • F01N2610/06—Adding substances to exhaust gases the substance being in the gaseous form
    • 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
    • F01N2610/107—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance using glow plug heating elements
    • 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
    • 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
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Treating Waste Gases (AREA)

Claims (26)

1. Система для установки на моторном транспортном средстве для подачи реагента(ов) в выпускной тракт (2) двигателя (3) транспортного средства, содержащая:1. A system for installation on a motor vehicle for supplying reagent (s) to the exhaust tract (2) of a vehicle engine (3), comprising: источник (5) жидкого предшественника (6) аммиака;source (5) of liquid ammonia precursor (6); источник (7) газообразного аммиака (8);a source (7) of gaseous ammonia (8); узел форсунки, выполненный с возможностью установки на выпускном тракте (2) и подачи внутрь него жидкого предшественника (6) аммиака и/или газообразного аммиака (8), причем узел форсунки содержит единственный корпус (17), встраиваемый в выпускной тракт (2) и имеющий первое впускное отверстие (21) для жидкого предшественника (6) аммиака, второе впускное отверстие (22) для газообразного аммиака (8) и по меньшей мере одно выпускное отверстие (23) подачи внутрь выпускного тракта (2).a nozzle assembly configured to install ammonia and / or gaseous ammonia (8) on the exhaust path (2) and supply a liquid precursor (6) to it, the nozzle assembly comprising a single housing (17) which is integrated in the exhaust path (2) and having a first inlet (21) for a liquid ammonia precursor (6), a second inlet (22) for gaseous ammonia (8), and at least one outlet (23) for supplying into the outlet path (2). 2. Система по п. 1, отличающаяся тем, что корпус (17) форсунки имеет одно или несколько общих выпускных отверстий (23) для жидкого предшественника (6) аммиака и газообразного аммиака (8), причем проход для жидкого предшественника (6) аммиака и проход для газообразного аммиака (8) внутри корпуса (17) форсунки имеют по меньшей мере одну нижнюю по потоку общую часть.2. The system according to claim 1, characterized in that the nozzle body (17) has one or more common outlet openings (23) for a liquid ammonia precursor (6) and ammonia gas (8), wherein the passage is for a liquid ammonia precursor (6) and the passage for gaseous ammonia (8) inside the body (17) of the nozzle has at least one downstream common part. 3. Система по п. 1, отличающаяся тем, что первое и второе впускные отверстия (21, 22) отделены друг от друга, а корпус (17) форсунки имеет по меньшей мере одно первое выпускное отверстие (23а) для жидкого предшественника (6) аммиака и по меньшей мере одно второе выпускное отверстие (23b) для газообразного аммиака (8), причем первые выпускные отверстия (23а) отделены от вторых выпускных отверстий (23b), и проход для жидкого предшественника (6) аммиака отделен внутри корпуса (17) форсунки от прохода для газообразного аммиака (8).3. The system according to claim 1, characterized in that the first and second inlet openings (21, 22) are separated from each other, and the nozzle body (17) has at least one first outlet (23a) for the liquid precursor (6) ammonia and at least one second outlet (23b) for ammonia gas (8), wherein the first outlet (23a) is separated from the second outlet (23b) and the passage for the liquid ammonia precursor (6) is separated inside the housing (17) nozzles from the passage for gaseous ammonia (8). 4. Система по п. 1, отличающаяся тем, что она дополнительно содержит систему (11) регулирования потока для регулирования потока жидкого предшественника (6) аммиака и/или газообразного аммиака (8), подлежащих подаче узлом форсунки.4. The system according to claim 1, characterized in that it further comprises a flow control system (11) for controlling the flow of a liquid ammonia precursor (6) and / or gaseous ammonia (8) to be supplied by the nozzle assembly. 5. Система по п. 4, отличающаяся тем, что система (11) регулирования потока содержит по меньшей мере одно дозирующее устройство (24) для дозирования жидкого предшественника (6) аммиака и/или газообразного аммиака (8), подлежащих подаче внутрь выпускного тракта (2).5. The system according to claim 4, characterized in that the flow control system (11) comprises at least one metering device (24) for dispensing a liquid precursor (6) of ammonia and / or gaseous ammonia (8) to be supplied inside the exhaust path (2). 6. Система по п. 5, отличающаяся тем, что одно дозирующее устройство (24) расположено внутри корпуса (17) форсунки.6. The system according to claim 5, characterized in that one metering device (24) is located inside the nozzle body (17). 7. Система по п. 5 или 6, отличающаяся тем, что одно дозирующее устройство (24) расположено снаружи выше по потоку от корпуса (17) форсунки.7. The system according to claim 5 or 6, characterized in that one metering device (24) is located externally upstream of the nozzle body (17). 8. Система по п. 5, отличающаяся тем, что система (11) регулирования потока содержит одно первое дозирующее устройство (24а), установленное на жидкостной линии (13), проходящей от источника (5) жидкого предшественника (6) аммиака к корпусу (17) форсунки.8. The system according to claim 5, characterized in that the flow control system (11) comprises one first metering device (24a) mounted on a liquid line (13) extending from the source (5) of ammonia liquid precursor (6) to the housing ( 17) nozzles. 9. Система по п. 5, отличающаяся тем, что система (11) регулирования потока содержит одно второе дозирующее устройство (24b), установленное на газопроводной линии (16), проходящей от источника (7) газообразного аммиака (8) к корпусу (17) форсунки.9. The system according to claim 5, characterized in that the flow control system (11) comprises one second metering device (24b) mounted on a gas line (16) passing from a source (7) of ammonia gas (8) to the housing (17) ) nozzles. 10. Система по п. 5, отличающаяся тем, что система (11) регулирования потока содержит одно первое дозирующее устройство (24а), установленное на жидкостной линии (13), проходящей от источника (5) жидкого предшественника (6) аммиака к корпусу (17) форсунки, и система (11) регулирования потока содержит одно второе дозирующее устройство (24b), установленное на газопроводной линии (16), проходящей от источника (7) газообразного аммиака (8) к корпусу (17) форсунки, причем первое и второе дозирующие устройства (24а, 24b) отделены друг от друга.10. The system according to claim 5, characterized in that the flow control system (11) comprises one first metering device (24a) mounted on a liquid line (13) extending from the source (5) of ammonia liquid precursor (6) to the housing ( 17) nozzles, and the flow control system (11) comprises one second metering device (24b) mounted on a gas line (16) passing from the source (7) of ammonia gas (8) to the nozzle body (17), the first and second metering devices (24a, 24b) are separated from each other. 11. Система по п. 5, отличающаяся тем, что система (11) регулирования потока содержит одно первое дозирующее устройство (24а), установленное на жидкостной линии (13), проходящей от источника (5) жидкого предшественника (6) аммиака к корпусу (17) форсунки, и система (11) регулирования потока содержит одно второе дозирующее устройство (24b), установленное на газопроводной линии (16), проходящей от источника (7) газообразного аммиака (8) к корпусу (17) форсунки, причем первое и второе дозирующие устройства представляют собой одно устройство (24, 24с), установленное в общей части жидкостной линии (13) и газопроводной линии (16).11. The system according to claim 5, characterized in that the flow control system (11) comprises one first metering device (24a) mounted on a liquid line (13) extending from the source (5) of ammonia liquid precursor (6) to the housing ( 17) nozzles, and the flow control system (11) comprises one second metering device (24b) mounted on a gas line (16) passing from the source (7) of ammonia gas (8) to the nozzle body (17), the first and second dosing devices are one device (24, 24s) installed in the common part of the liquid line (13) and the gas line (16). 12. Система по п. 5, отличающаяся тем, что дозирующее устройство (24) содержит регулируемый клапан, способный обеспечивать прохождение части или всего потока жидкого предшественника аммиака и/или части или всего потока газообразного аммиака в направлении выходных отверстий (23) корпуса форсунки или блокирование этих потоков.12. A system according to claim 5, characterized in that the metering device (24) comprises an adjustable valve capable of allowing part or all of the flow of ammonia liquid precursor and / or part or all of the flow of ammonia gas to flow towards the outlet openings (23) of the nozzle body blocking these threads. 13. Система по п. 5, отличающаяся тем, что система (11) регулирования потока содержит управляющий блок (25) для управления дозирующими устройствами в соответствии с по меньшей мере одним рабочим параметром.13. The system according to claim 5, characterized in that the flow control system (11) comprises a control unit (25) for controlling the metering devices in accordance with at least one operating parameter. 14. Система по п. 1, отличающаяся тем, что она дополнительно содержит воздухопровод (35) для подачи воздуха (36) в направлении впускного отверстия (21, 22) корпуса (17) форсунки для содействия подаче жидкого предшественника (6) аммиака.14. The system according to claim 1, characterized in that it further comprises an air line (35) for supplying air (36) in the direction of the inlet (21, 22) of the nozzle body (17) to facilitate the supply of ammonia liquid precursor (6). 15. Система по п. 13, отличающаяся тем, что воздухопровод (35) сообщается с газопроводной линией (16), проходящей от источника (7) газообразного аммиака (8) к корпусу (17) форсунки.15. The system according to claim 13, characterized in that the air line (35) is in communication with a gas line (16) passing from the source (7) of gaseous ammonia (8) to the body (17) of the nozzle. 16. Система по п. 1, отличающаяся тем, что узел форсунки выполнен с возможностью установки на выпускном тракте (2) для обеспечения возможности подачи жидкого предшественника и/или газообразного аммиака (6, 8) внутрь выпускного тракта (2) выше по потоку от блока (4) селективного каталитического восстановления, так что система (1) обеспечивает возможность нейтрализации оксидов азота, содержащихся в отработавших газов, проходящих по выпускному тракту (2).16. The system according to claim 1, characterized in that the nozzle assembly is arranged to be installed on the exhaust path (2) to enable the liquid precursor and / or gaseous ammonia (6, 8) to be supplied inside the exhaust path (2) upstream of block (4) selective catalytic reduction, so that the system (1) provides the ability to neutralize nitrogen oxides contained in the exhaust gas passing through the exhaust path (2). 17. Система по п. 16, отличающаяся тем, что источник (7) газообразного аммиака (8) содержит блок, включающий емкость (14), содержащую материал (9), который, в зависимости от условий работы, может удерживать газообразный аммиак (8) для его хранения и высвобождать удерживаемый газообразный аммиак (8).17. The system according to p. 16, characterized in that the source (7) of gaseous ammonia (8) contains a unit including a container (14) containing material (9), which, depending on operating conditions, can hold gaseous ammonia (8 ) to store it and release retained gaseous ammonia (8). 18. Система по п. 17, отличающаяся тем, что материал (9), содержащийся в упомянутом блоке, способен удерживать газообразный аммиак (8) посредством абсорбции и/или адсорбции, и/или посредством формирования химических комплексов.18. A system according to claim 17, characterized in that the material (9) contained in said block is capable of retaining gaseous ammonia (8) by absorption and / or adsorption, and / or by the formation of chemical complexes. 19. Система по п. 17 или 18, отличающаяся тем, что материал (9), содержащийся в упомянутом блоке, способен высвобождать удерживаемый газообразный аммиак (8) при температуре, превышающей пороговую величину, и блок дополнительно содержит нагреватель (15), способный нагревать материал (9) до температуры, превышающей пороговую величину.19. A system according to claim 17 or 18, characterized in that the material (9) contained in the said block is capable of releasing the retained gaseous ammonia (8) at a temperature exceeding the threshold value, and the block further comprises a heater (15) capable of heating material (9) to a temperature exceeding the threshold value. 20. Система по п. 1, отличающаяся тем, что жидкий предшественник (6) аммиака содержит водный раствор мочевины.20. The system according to claim 1, characterized in that the liquid ammonia precursor (6) contains an aqueous solution of urea. 21. Система по п. 1, отличающаяся тем, что она содержит резервуар (12) для хранения жидкого предшественника (6) аммиака и емкость (14) для хранения газообразного аммиака (8), причем резервуар (12) и емкость (14) размещены смежно в одном блоке (38) подачи.21. The system according to claim 1, characterized in that it contains a tank (12) for storing a liquid ammonia precursor (6) and a tank (14) for storing gaseous ammonia (8), wherein the tank (12) and the tank (14) are located adjacent to one feed unit (38). 22. Система по п. 4, отличающаяся тем, что система (11) регулирования потока полностью размещена в управляющем блоке (39).22. The system according to claim 4, characterized in that the flow control system (11) is completely located in the control unit (39). 23. Моторное транспортное средство, снабженное системой (1) по любому из пп. 1-22.23. A motor vehicle equipped with a system (1) according to any one of paragraphs. 1-22.
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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE112016003787T5 (en) * 2015-08-20 2018-05-24 Tenneco Automotive Operating Company Inc. Exhaust aftertreatment system with ammonia gas generator
US10125646B2 (en) * 2016-04-13 2018-11-13 Johnson Matthey Public Limited Company Exhaust system for a diesel engine
FR3083822B1 (en) * 2018-07-16 2020-06-12 Renault S.A.S. ASSEMBLY FOR REDUCING NITROGEN OXIDES FLOWING IN AN EXHAUST LINE OF AN INTERNAL COMBUSTION ENGINE
US10767529B2 (en) 2018-11-08 2020-09-08 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system having onboard ammonia reactor with heated doser
US10683787B2 (en) 2018-11-08 2020-06-16 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system having onboard ammonia reactor with hybrid heating
US10876454B2 (en) * 2018-11-08 2020-12-29 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system with multi-reductant injection and doser controls
KR102287319B1 (en) * 2019-11-20 2021-08-09 현대자동차주식회사 Exhaust gas aftertreatement apparatus and method for controlling the same
US11193413B2 (en) 2019-12-12 2021-12-07 Faurecia Emissions Control Technologies, Usa, Llc Exhaust aftertreatment system with virtual temperature determination and control
US11319853B2 (en) 2020-03-31 2022-05-03 Faurecia Emissions Control Technologies, Usa, Llc Automotive exhaust aftertreatment system with doser
US11022014B1 (en) 2020-04-28 2021-06-01 Faurecia Emissions Control Technologies, Usa, Llc Exhaust aftertreatment system with heated flash-boiling doser
US11511239B2 (en) 2020-04-29 2022-11-29 Faurecia Emissions Control Technologies, Usa, Llc Heated flash-boiling doser with integrated helix
US11092054B1 (en) 2020-04-29 2021-08-17 Faurecia Emissions Control Technologies, Usa, Llc Flash-boiling doser with thermal transfer helix
US11384667B2 (en) 2020-05-29 2022-07-12 Faurecia Emissions Control Technologies, Usa, Llc Exhaust aftertreatment system with heated dosing control
US11225894B1 (en) 2020-06-30 2022-01-18 Faurecia Emissions Control Technologies, Usa, Llc Exhaust aftertreatment system with thermally controlled reagent doser
CN112594039B (en) * 2021-01-14 2021-11-30 河南柴油机重工有限责任公司 SCR nozzle convenient to wash, rotatable and prevent crystallization
CN113685249A (en) * 2021-08-19 2021-11-23 潍柴动力股份有限公司 Aftertreatment injection system, vehicle and control method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814980Y2 (en) * 1978-02-22 1983-03-25 株式会社クボタ Ammonia injection device for exhaust gas denitrification
DE19728343C5 (en) 1997-07-03 2013-02-21 Robert Bosch Gmbh Process and apparatus for selective catalytic NOx reduction
DE10101364A1 (en) 2001-01-13 2002-07-18 Fev Motorentech Gmbh Process for converting a solid nitrogenous reducing agent into a gas phase for the reduction of nitrogen oxides in oxygen-containing exhaust gases according to the principle of selective catalytic reduction
JP4238598B2 (en) * 2003-02-26 2009-03-18 三菱ふそうトラック・バス株式会社 NOx purification device for internal combustion engine
US20090280047A1 (en) 2004-08-03 2009-11-12 Claus Hviid Christensen Solid ammonia storage and delivery material
JP4430524B2 (en) * 2004-12-14 2010-03-10 株式会社日立製作所 Engine exhaust treatment device and treatment method
JP4325725B2 (en) * 2008-02-14 2009-09-02 トヨタ自動車株式会社 Urea water supply device for internal combustion engine
WO2011108110A1 (en) * 2010-03-05 2011-09-09 トヨタ自動車株式会社 Exhaust purification device for internal combustion engine
JP2011236105A (en) * 2010-05-13 2011-11-24 Toyota Industries Corp Ammonia release unit, method for releasing ammonia and exhaust gas cleanup unit
FR2961557B1 (en) * 2010-06-22 2014-01-24 Peugeot Citroen Automobiles Sa INJECTION STRATEGY IN AN EXHAUST LINE OF A SELECTIVE NITROGEN OXIDE REDUCING AGENT

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