KR20020034199A - 환원제 도우징용 장치 및 방법 - Google Patents
환원제 도우징용 장치 및 방법 Download PDFInfo
- Publication number
- KR20020034199A KR20020034199A KR1020027004015A KR20027004015A KR20020034199A KR 20020034199 A KR20020034199 A KR 20020034199A KR 1020027004015 A KR1020027004015 A KR 1020027004015A KR 20027004015 A KR20027004015 A KR 20027004015A KR 20020034199 A KR20020034199 A KR 20020034199A
- Authority
- KR
- South Korea
- Prior art keywords
- reducing agent
- pressure
- valve
- ventilation
- line
- Prior art date
Links
Classifications
-
- 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
-
- 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]
-
- 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
- B01D53/9495—Controlling the catalytic process
-
- 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
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1466—Means for venting air out of conduits or tanks
-
- 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
- F01N2610/1473—Overflow or return means for the substances, e.g. conduits or valves for the return path
-
- 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)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Combustion & Propulsion (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
Description
Claims (5)
- 촉매적 배기 가스 처리 분야에서 사용되는 환원제, 특히 요소 또는 요소 수용액을 도우징하기 위한 장치로서, 환원제를 저장하기 위한 탱크(1), 상기 탱크(1)로부터 분사 밸브(7)까지 환원제를 수송하기 위한 펌프(4)를 구비하며, 상기 분사 밸브를 통해 환원제는 믹싱 챔버 내에 제공될 수 있고, 상기 탱크(1), 펌프(4) 및 분사 밸브(7)는 탱크(1)와 펌프(4) 사이의 제 1 라인(1a) 및 펌프와 분사 밸브 사이의 제 2 라인(1b)을 포함하는 라인 시스템을 통해 서로 연결되는 장치에 있어서,상기 제 2 라인(1b)으로부터 분기하며 상기 탱크(1)로 피드백되고 제어 가능한 환기 순환계(1d, 10, 1c)가 제공되는 것을 특징으로 하는 장치.
- 제 1 항에 있어서, 상기 제어 가능한 환기 순환계는 클록으로 제어 가능한 환기 밸브(10)를 포함하는 것을 특징으로 하는 장치.
- 제 2 항에 있어서, 상기 환기 밸브(10)는 2/2-방향 밸브로서 형성되는 것을 특징으로 하는 장치.
- 환원제가 도우징- 및/또는 믹싱 장치의 라인 시스템을 통해 공급되는, 촉매적 배기 가스 처리 분야에서 사용되는 환원제를 도우징하기 위한 방법에 있어서,환원제 라인 시스템 내의 압력이 모니터되고 경우에 따라서는 환기 순환계에의해 변경되는 것을 특징으로 하는 방법.
- 제 1 항에 있어서, 상기 환기 순환계는 클록으로 제어 가능한 환기 밸브(10)를 포함하며, 상기 밸브는 라인 시스템 내의 압력을 변경하기 위해 작동될 수 있는 것을 특징으로 하는 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19947197A DE19947197A1 (de) | 1999-10-01 | 1999-10-01 | Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels |
DE19947197.5 | 1999-10-01 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020034199A true KR20020034199A (ko) | 2002-05-08 |
KR100697545B1 KR100697545B1 (ko) | 2007-03-21 |
Family
ID=7924068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020027004015A KR100697545B1 (ko) | 1999-10-01 | 2000-09-22 | 환원제를 계량하기 위한 방법 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1222370B1 (ko) |
JP (1) | JP4460811B2 (ko) |
KR (1) | KR100697545B1 (ko) |
DE (2) | DE19947197A1 (ko) |
WO (1) | WO2001025600A1 (ko) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100392606B1 (ko) * | 2001-03-24 | 2003-07-23 | 삼성광주전자 주식회사 | 진공청소기의 사이클론 집진장치 |
KR100890402B1 (ko) * | 2004-12-30 | 2009-03-26 | 그런포스 노녹스 에이/에스 | 미터링 펌프 어셈블리 |
US8029249B2 (en) | 2004-12-30 | 2011-10-04 | Grundfos Nonox A/S | Metering pump assembly |
US8534326B2 (en) | 2004-12-30 | 2013-09-17 | Grundfos Nonox A/S | Metering pump assembly |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10047516A1 (de) | 2000-09-22 | 2002-04-18 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen |
DE20116379U1 (de) | 2001-10-05 | 2002-01-03 | PUREM Abgassysteme GmbH & Co. KG, 58706 Menden | Vorrichtung zum Dosieren eines gasförmigen Reduktionsmittels |
AT501091B1 (de) * | 2004-11-15 | 2006-12-15 | Pankl Emission Control Systems | Abgasreinigungsvorrichtung |
AT500849B8 (de) * | 2004-11-15 | 2007-02-15 | Pankl Emission Control Systems | Harnstoffdosiervorrichtung |
DE102004061259B4 (de) * | 2004-12-20 | 2016-12-15 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Auftauerkennung in einer Reagenzmitteldosiereinrichtung eines SCR-Katalysators insbesondere einer Brennkraftmaschine |
DE102005034704A1 (de) * | 2005-07-26 | 2007-02-01 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Regeneration eines Partikelfilters |
EP2047076A1 (en) * | 2006-07-13 | 2009-04-15 | Inergy Automotive Systems Research (Société A.) | System and process for storing an additive and injecting it into the exhaust gases of an engine |
DE102007033470B4 (de) * | 2007-07-18 | 2012-10-25 | Continental Automotive Gmbh | Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels in einen Abgastrakt eines Fahrzeugs |
DE102007044403B4 (de) * | 2007-09-18 | 2011-04-28 | Continental Automotive Gmbh | Vorrichtung zum Einbringen einer Reduktionsmittelflüssigkeit in ein Abgas einer Verbrennungsanlage |
DE102009023325B4 (de) | 2008-12-10 | 2012-01-26 | Continental Automotive Gmbh | Verfahren zur Adaption der Injektionsmittelzufuhr in einem Injektionssystem |
DE102009035940C5 (de) * | 2009-08-03 | 2017-04-20 | Cummins Ltd. | SCR-Abgasnachbehandlungseinrichtung |
DE102009037564B4 (de) * | 2009-08-14 | 2013-08-29 | Continental Automotive Gmbh | Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels in einen Abgastrakt einer Brennkraftmaschine |
DE102009056181A1 (de) * | 2009-11-27 | 2011-06-01 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Fördervorrichtung für ein Reduktionsmittel |
DE102010004201A1 (de) * | 2010-01-08 | 2011-07-14 | Emitec Gesellschaft für Emissionstechnologie mbH, 53797 | Verfahren zum Betrieb einer Fördervorrichtung für ein Reduktionsmittel |
SE535631C2 (sv) * | 2010-06-21 | 2012-10-23 | Scania Cv Ab | Förfarande vid förekomst av luft i ett HC-doseringssystem och motsvarande HC-doseringssystem |
SE536920C2 (sv) | 2010-06-21 | 2014-10-28 | Scania Cv Ab | SCR-system för avgasrening och förfarande för kylning av endoseringsenhet vid ett sådant SCR-system |
SE535632C2 (sv) * | 2010-06-21 | 2012-10-23 | Scania Cv Ab | Förfarande vid förekomst av luft i vätsketillförsel vid ett SCR-system och motsvarande SCR-system |
AT510671B1 (de) * | 2010-10-29 | 2013-11-15 | Hirtenberger Ag | Vorrichtung zur selektiven katalytischen reduktion von stickoxiden in einem abgastrakt eines kraftfahrzeuges |
DE102011003327A1 (de) * | 2011-01-28 | 2012-08-02 | Robert Bosch Gmbh | Verfahren zur Erfassung des Beladungszustandes eines Filters in einem SCR-Dosiersystem |
US8881507B2 (en) * | 2011-08-22 | 2014-11-11 | Mi Yan | Air driven reductant delivery system |
FR2979948B1 (fr) * | 2011-09-14 | 2015-02-20 | Peugeot Citroen Automobiles Sa | Procede d'amorcage de l'injection dosee d'un agent liquide dans un ensemble et systeme d'injection mettant en œuvre un tel procede |
DE102012002059A1 (de) * | 2012-02-03 | 2013-08-08 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zum Betrieb einer Dosiervorrichtung |
EP2660436B1 (de) | 2012-05-03 | 2016-06-15 | Continental Automotive GmbH | Verfahren zum Entlüften einer Fördereinheit für ein flüssiges Additiv |
CN105673154B (zh) | 2014-11-21 | 2019-11-08 | 天纳克(苏州)排放系统有限公司 | 共轨、该共轨的应用、尿素喷射系统及其控制方法 |
EP3414435A1 (de) * | 2016-02-09 | 2018-12-19 | Kautex Textron GmbH & Co. Kg | System zur bevorratung und zuführung einer hilfsflüssigkeit an eine brennkraftmaschine eines kraftfahrzeuges oder an teile der brennkraftmaschine des kraftfahrzeuges |
CN109630894B (zh) * | 2018-12-21 | 2020-06-26 | 云南大红山管道有限公司 | 长距离管道自动补排气装置及操作方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3230608A1 (de) * | 1982-08-18 | 1984-02-23 | Volkswagenwerk Ag, 3180 Wolfsburg | Verfahren zur reinigung eines russfilters im abgassystem einer brennkraftmaschine |
JPH06200857A (ja) * | 1993-01-08 | 1994-07-19 | Fuji Heavy Ind Ltd | 高圧噴射式エンジンの燃料圧力制御方法 |
JP3022601B2 (ja) * | 1994-09-13 | 2000-03-21 | シーメンス アクチエンゲゼルシヤフト | 排気ガス浄化装置に液体を供給する方法及び装置 |
DE4441261A1 (de) * | 1994-11-19 | 1996-05-23 | Bosch Gmbh Robert | Einrichtung zum Nachbehandeln von Abgasen einer Brennkraftmaschine |
-
1999
- 1999-10-01 DE DE19947197A patent/DE19947197A1/de not_active Withdrawn
-
2000
- 2000-09-22 DE DE50004671T patent/DE50004671D1/de not_active Expired - Lifetime
- 2000-09-22 EP EP00975784A patent/EP1222370B1/de not_active Expired - Lifetime
- 2000-09-22 KR KR1020027004015A patent/KR100697545B1/ko not_active IP Right Cessation
- 2000-09-22 JP JP2001528310A patent/JP4460811B2/ja not_active Expired - Fee Related
- 2000-09-22 WO PCT/DE2000/003299 patent/WO2001025600A1/de active IP Right Grant
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100392606B1 (ko) * | 2001-03-24 | 2003-07-23 | 삼성광주전자 주식회사 | 진공청소기의 사이클론 집진장치 |
KR100890402B1 (ko) * | 2004-12-30 | 2009-03-26 | 그런포스 노녹스 에이/에스 | 미터링 펌프 어셈블리 |
US8029249B2 (en) | 2004-12-30 | 2011-10-04 | Grundfos Nonox A/S | Metering pump assembly |
US8534326B2 (en) | 2004-12-30 | 2013-09-17 | Grundfos Nonox A/S | Metering pump assembly |
US8646475B2 (en) | 2004-12-30 | 2014-02-11 | Grundfos Nonox A/S | Dosing pump unit |
Also Published As
Publication number | Publication date |
---|---|
KR100697545B1 (ko) | 2007-03-21 |
EP1222370A1 (de) | 2002-07-17 |
JP2003511599A (ja) | 2003-03-25 |
JP4460811B2 (ja) | 2010-05-12 |
EP1222370B1 (de) | 2003-12-03 |
WO2001025600A1 (de) | 2001-04-12 |
DE50004671D1 (de) | 2004-01-15 |
DE19947197A1 (de) | 2001-04-12 |
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