DE20021400U1 - Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter - Google Patents

Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter

Info

Publication number
DE20021400U1
DE20021400U1 DE20021400U DE20021400U DE20021400U1 DE 20021400 U1 DE20021400 U1 DE 20021400U1 DE 20021400 U DE20021400 U DE 20021400U DE 20021400 U DE20021400 U DE 20021400U DE 20021400 U1 DE20021400 U1 DE 20021400U1
Authority
DE
Germany
Prior art keywords
reducing agent
heat source
exhaust gas
gas purification
agent container
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
DE20021400U
Other languages
German (de)
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.)
Purem Abgassysteme GmbH and Co KG
Original Assignee
Purem Abgassysteme GmbH and Co KG
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 Purem Abgassysteme GmbH and Co KG filed Critical Purem Abgassysteme GmbH and Co KG
Priority to DE20021400U priority Critical patent/DE20021400U1/en
Publication of DE20021400U1 publication Critical patent/DE20021400U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
    • 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)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (9)

1. Abgasreinigungsanlage zum Entsticken von Abgasen einer Brenn­ kraftmaschine an einem SCR-Katalysator (2) unter Verwendung von zusätzlich in den Abgasstrom vor dem SCR-Katalysator (2) eingebrachtem Ammoniak (NH3), umfassend einen Reduktionsmit­ telbehälter (4), in dem das dem Abgasstrom (3) zuzuführende NH3 (5) bevorratet ist, welcher Reduktionsmittelbehälter (4) über eine Versorgungsleitung (6) mit dem Abgasstrang (1) verbunden ist, da­ durch gekennzeichnet, daß dem Reduktionsmittelbehälter (4) ei­ ne Wärmequelle (10) zugeordnet ist und diese Wärmequelle (10) dergestalt konzipiert und angeordnet ist, daß durch die Wärme­ quelle (10) nur ein Teilbereich des Reduktionsmittelbehälters bzw. seines Inhaltes durch die Wärmequelle (10) erwärmbar ist.1. Exhaust gas purification system for denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter ( 2 ) using ammonia (NH 3 ) additionally introduced into the exhaust gas flow upstream of the SCR catalytic converter ( 2 ), comprising a reducing agent tank ( 4 ) in which the NH 3 ( 5 ) to be supplied to the exhaust gas stream ( 3 ) is stored, which reducing agent tank ( 4 ) is connected to the exhaust line ( 1 ) via a supply line ( 6 ), characterized in that the reducing agent tank ( 4 ) has a heat source ( 10 ) is assigned and this heat source ( 10 ) is designed and arranged in such a way that by the heat source ( 10 ) only a portion of the reducing agent container or its content can be heated by the heat source ( 10 ). 2. Abgasreinigungsanlage nach Anspruch 1, dadurch gekennzeich­ net, daß die Wärmequelle (10) ausgelegt ist, um berührungslos den Inhalt (5) des Reduktionsmittelbehälters (4) zu erwärmen.2. Emission control system according to claim 1, characterized in that the heat source ( 10 ) is designed to contactlessly heat the content ( 5 ) of the reducing agent container ( 4 ). 3. Abgasreinigungsanlage nach Anspruch 2, dadurch gekennzeich­ net, daß dem Reduktionsmittelbehälter (4) eine Wärmequelle (10) zum Abgeben einer energiereichen Strahlung zugeordnet ist, die dergestalt konzipiert und angeordnet ist, daß nur ein Teilbereich des Reduktionsmittelbehälters (4) sich in der von der Wärmequelle (10) emittierten Strahlung befindet.3. Exhaust gas purification system according to claim 2, characterized in that the reducing agent container ( 4 ) is assigned a heat source ( 10 ) for emitting high-energy radiation, which is designed and arranged in such a way that only a portion of the reducing agent container ( 4 ) in the the heat source ( 10 ) is emitted radiation. 4. Abgasreinigungsanlage nach Anspruch 3, dadurch gekennzeich­ net, daß die Wärmequelle zum Emittieren einer IR-Strahlung als energiereiche Strahlung ausgelegt ist.4. Emission control system according to claim 3, characterized net that the heat source for emitting an IR radiation as high-energy radiation is designed. 5. Abgasreinigungsanlage nach Anspruch 4, dadurch gekennzeich­ net, daß die äußere Oberfläche im Bereich der lokalen Erwär­ mungsstelle des Reduktionsmittelbehälters geschwärzt ist.5. Emission control system according to claim 4, characterized net that the outer surface in the area of local heating mation point of the reducing agent container is blackened. 6. Abgasreinigungsanlage nach Anspruch 3, dadurch gekennzeich­ net, daß die Wärmequelle als Sender (10) zum Emittieren einer Mikrowellen-Strahlung als energiereiche Strahlung ausgelegt ist. 6. Emission control system according to claim 3, characterized in that the heat source is designed as a transmitter ( 10 ) for emitting microwave radiation as high-energy radiation. 7. Abgasreinigungsanlage nach einem der Ansprüche 1 bis 6, da­ durch gekennzeichnet, daß der durch die Wärmequelle erwärmte Bereich des Reduktionsmittelbehälters (4) bzw. seines Inhaltes (5) im Bereich seines Tiefsten angeordnet ist.7. Exhaust gas purification system according to one of claims 1 to 6, characterized in that the area of the reducing agent container ( 4 ) or its content ( 5 ) heated by the heat source is arranged in the region of its lowest. 8. Abgasreinigungsanlage nach einem der Ansprüche 1 bis 7, da­ durch gekennzeichnet, daß die innere Oberfläche im Bereich der lokalen Erwärmungsstelle des Reduktionsmittelbehälters (4) mit Mitteln ausgestattet ist, durch die eine Dampfblasenbildung begün­ stigt ist.8. Exhaust gas purification system according to one of claims 1 to 7, characterized in that the inner surface in the area of the local heating point of the reducing agent container ( 4 ) is equipped with means by which vapor bubble formation is begün. 9. Abgasreinigungsanlage nach Anspruch 8, dadurch gekennzeich­ net, daß die innere Oberfläche (11) im Bereich der lokalen Erwär­ mungsstelle des Reduktionsmittelbehälters (4) aufgerauht ist.9. Exhaust gas purification system according to claim 8, characterized in that the inner surface ( 11 ) in the area of the local heating point of the reducing agent container ( 4 ) is roughened.
DE20021400U 2000-12-18 2000-12-18 Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter Expired - Lifetime DE20021400U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20021400U DE20021400U1 (en) 2000-12-18 2000-12-18 Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20021400U DE20021400U1 (en) 2000-12-18 2000-12-18 Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter

Publications (1)

Publication Number Publication Date
DE20021400U1 true DE20021400U1 (en) 2001-03-22

Family

ID=7950215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20021400U Expired - Lifetime DE20021400U1 (en) 2000-12-18 2000-12-18 Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter

Country Status (1)

Country Link
DE (1) DE20021400U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036430A1 (en) * 2005-08-03 2007-02-15 Eichenauer Heizelemente Gmbh & Co. Kg Tank heater e.g. for urea tank of internal combustion engine, has housing in which PTC heating element is arranged and has temperature sensor to determine requirement of heating
GB2478714A (en) * 2010-03-15 2011-09-21 Gm Global Tech Operations Inc Vehicle that heats reducing agent tank using microwaves

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036430A1 (en) * 2005-08-03 2007-02-15 Eichenauer Heizelemente Gmbh & Co. Kg Tank heater e.g. for urea tank of internal combustion engine, has housing in which PTC heating element is arranged and has temperature sensor to determine requirement of heating
DE102005036430B4 (en) * 2005-08-03 2011-05-05 Eichenauer Heizelemente Gmbh & Co. Kg tank heater
GB2478714A (en) * 2010-03-15 2011-09-21 Gm Global Tech Operations Inc Vehicle that heats reducing agent tank using microwaves

Similar Documents

Publication Publication Date Title
US8402755B2 (en) Gas turbine combustor exhaust gas spray cooling for NOx control using selective catalytic reductions
US20070110642A1 (en) Exhaust gas purifying apparatus
DE19919426C1 (en) Valve mounting for dosing valve of IC engine exhaust gas catalyser
JP4195383B2 (en) Continuous-variable adjustment method of pollution reducing agent for combustion source
CN101680332B (en) NOX purification system, and method for control of nox purification system
ATE491872T1 (en) DEVICE, REACTOR AND METHOD FOR REDUCING NITROGEN OXIDES IN THE EXHAUST STREAM OF COMBUSTION ENGINES
EP1770253A4 (en) Exhaust purification apparatus for engine
KR20170013687A (en) Scr system
DE502004011455D1 (en) Device for cleaning exhaust gases
US20080175774A1 (en) Methods and systems for reducing NOx emissions in industrial combustion systems
CN101066520A (en) Selective catalytic reduction of NOx enabled by sidestream urea decomposition
CN102132016A (en) Catalytic devices for converting urea to ammonia
JP2008031996A (en) Fluid dosing device
RU2010120163A (en) METHOD FOR REDUCING TOXIC EXHAUST OF NITRIC OXIDES, NOx AND CONTROL SYSTEM
US20150198075A1 (en) Injector Cooling Apparatus
DE20021400U1 (en) Exhaust gas purification system for the denitrification of exhaust gases from an internal combustion engine on an SCR catalytic converter
DE59403617D1 (en) DEVICE FOR CATALYTICALLY CLEANING FLOWING GASES, ESPECIALLY EXHAUST GAS FROM COMBUSTION ENGINES
KR101556330B1 (en) Urea feeding system for scr system
KR102004477B1 (en) Exhaust Gas Denitrifying System of Ship
EP1038569A3 (en) Converter for a device for adding ammonia to the exhaust flow of an internal combustion engine and process for filling such a converter
AT400114B (en) PLANT AND METHOD FOR CATALYTICALLY REDUCING STICKOXIDES CONTAINED IN THE SMOKE GASES OF A FIRE WITH LIQUID FUELS WITH AMMONIA, PLANT FOR BURNING LIQUID FOSSIL FUELS AND METHOD FOR REGULATING A CATALYST
JP2011058478A (en) Reducing agent supply device, exhaust emission system equipped with the same, and method for supplying reducing agent
EP0890714A3 (en) Motor vehicle with an internal combustion engine and catalytic converter
CN105781760A (en) System and method for reducing NOx emission of marine diesel engine
US20150361842A1 (en) Exhaust system for a vehicle

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010426

R163 Identified publications notified

Effective date: 20010828

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20040116

R081 Change of applicant/patentee

Owner name: PUREM ABGASSYSTEME GMBH & CO. KG, DE

Free format text: FORMER OWNER: PUREM ABGASSYSTEME GMBH & CO. KG, 58706 MENDEN, DE

Effective date: 20041228

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20070111

R158 Lapse of ip right after 8 years

Effective date: 20090701