DE102010040365A1 - Druckluftzerstäuber - Google Patents

Druckluftzerstäuber Download PDF

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Publication number
DE102010040365A1
DE102010040365A1 DE102010040365A DE102010040365A DE102010040365A1 DE 102010040365 A1 DE102010040365 A1 DE 102010040365A1 DE 102010040365 A DE102010040365 A DE 102010040365A DE 102010040365 A DE102010040365 A DE 102010040365A DE 102010040365 A1 DE102010040365 A1 DE 102010040365A1
Authority
DE
Germany
Prior art keywords
reducing agent
compressed air
dosing
inner tube
tube
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.)
Withdrawn
Application number
DE102010040365A
Other languages
German (de)
English (en)
Inventor
Dirk Von Meduna
Jan Bleith
Markus Glöckle
Matthias Burger
Thomas Prasser
Markus Bürglin
Martin Braun
Heinrich Dütsch
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to DE102010040365A priority Critical patent/DE102010040365A1/de
Priority to FR1157725A priority patent/FR2964414A1/fr
Priority to CN201110267407.7A priority patent/CN102410068B/zh
Publication of DE102010040365A1 publication Critical patent/DE102010040365A1/de
Withdrawn legal-status Critical Current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 ; 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
    • 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
    • F01N2610/08—Adding substances to exhaust gases with prior mixing of the substances with a gas, e.g. air
    • F01N2610/085—Controlling the air supply
    • 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
    • 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
    • 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
    • F01N2610/1493—Purging the reducing agent out of the conduits or nozzle
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1804—Properties of secondary air added directly to the exhaust
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1808—Pressure
    • 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
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/18—Parameters used for exhaust control or diagnosing said parameters being related to the system for adding a substance into the exhaust
    • F01N2900/1806—Properties of reducing agent or dosing system
    • F01N2900/1824—Properties of the air to be mixed with added substances, e.g. air pressure or air temperature
    • 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

  • 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)
DE102010040365A 2010-09-07 2010-09-07 Druckluftzerstäuber Withdrawn DE102010040365A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE102010040365A DE102010040365A1 (de) 2010-09-07 2010-09-07 Druckluftzerstäuber
FR1157725A FR2964414A1 (fr) 2010-09-07 2011-09-01 Dispositif de dosage d'un agent actif/additif, tel qu'un agent reducteur dans la veine des gaz d'echappement d'un moteur a combustion interne
CN201110267407.7A CN102410068B (zh) 2010-09-07 2011-09-07 压缩空气雾化器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010040365A DE102010040365A1 (de) 2010-09-07 2010-09-07 Druckluftzerstäuber

Publications (1)

Publication Number Publication Date
DE102010040365A1 true DE102010040365A1 (de) 2012-03-08

Family

ID=45595324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102010040365A Withdrawn DE102010040365A1 (de) 2010-09-07 2010-09-07 Druckluftzerstäuber

Country Status (3)

Country Link
CN (1) CN102410068B (fr)
DE (1) DE102010040365A1 (fr)
FR (1) FR2964414A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2722504A1 (fr) * 2012-10-16 2014-04-23 Albonair GmbH Système de dosage d'agent de réduction avec un conduit de transport à double paroi
EP2933456A1 (fr) * 2014-04-15 2015-10-21 Albonair GmbH Système de dosage d'agent de réduction doté d'une surveillance de fuite
WO2020150294A1 (fr) * 2019-01-16 2020-07-23 Caterpillar Inc. Buse de réduction

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014226659A1 (de) * 2014-12-19 2016-06-23 Robert Bosch Gmbh Verfahren zum Betreiben eines Methanoxidationskatalysators und Abgasnachbehandlungssystem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819579C1 (de) 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
WO2004069385A1 (fr) 2003-02-04 2004-08-19 Kemira Oyj Procede catalytique pour reduire les oxydes d'azote dans des gaz de combustion et composition d'agent de reduction

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2140700T3 (es) * 1994-09-13 2000-03-01 Siemens Ag Procedimiento y dispositivo para introducir liquido en un dispositivo de depuracion de gases de escape.
DE19963394A1 (de) * 1999-12-28 2001-07-05 Bosch Gmbh Robert Vorrichtung zur Aerosolbildung und Vorrichtung zur Nachbehandlung von Abgasen
CN1298969C (zh) * 2004-02-27 2007-02-07 清华大学 一种用于内燃机氮氧化物催化转化器的还原剂供给装置
FR2879239A1 (fr) * 2004-12-15 2006-06-16 Inergy Automotive Systems Res Systeme de stockage et d'injection d'un additif dans des gaz d'echappement d'un moteur
DE602006002275D1 (de) * 2005-04-13 2008-09-25 Grundfos Nonox As Mischvorrichtung zum mischen von harnstoff und luft
SE529591C2 (sv) * 2006-02-08 2007-09-25 Stt Emtec Ab Insprutningsanordning
US7497077B2 (en) * 2006-07-26 2009-03-03 Southwest Research Institute System and method for dispensing an aqueous urea solution into an exhaust gas stream
DE102008013960A1 (de) * 2008-03-12 2009-09-17 Albonair Gmbh Dosiersystem zur Eindüsung einer Harnstofflösung in den Abgasstrom eines Verbrennungsmotors
US8459012B2 (en) * 2008-11-19 2013-06-11 Caterpillar Inc. Method for purging a dosing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819579C1 (de) 1998-04-30 1999-09-30 Siemens Ag Verfahren und Vorrichtung zur Abgasnachbehandlung für eine mit einem SCR-Katalysator ausgestattete Brennkraftmaschine
WO2004069385A1 (fr) 2003-02-04 2004-08-19 Kemira Oyj Procede catalytique pour reduire les oxydes d'azote dans des gaz de combustion et composition d'agent de reduction

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2722504A1 (fr) * 2012-10-16 2014-04-23 Albonair GmbH Système de dosage d'agent de réduction avec un conduit de transport à double paroi
EP2933456A1 (fr) * 2014-04-15 2015-10-21 Albonair GmbH Système de dosage d'agent de réduction doté d'une surveillance de fuite
WO2020150294A1 (fr) * 2019-01-16 2020-07-23 Caterpillar Inc. Buse de réduction
CN113302384A (zh) * 2019-01-16 2021-08-24 卡特彼勒公司 还原剂喷嘴

Also Published As

Publication number Publication date
FR2964414A1 (fr) 2012-03-09
CN102410068B (zh) 2016-05-04
CN102410068A (zh) 2012-04-11

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Date Code Title Description
R012 Request for examination validly filed
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee