JP2009526940A - 計量装置及びその操作方法 - Google Patents
計量装置及びその操作方法 Download PDFInfo
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- JP2009526940A JP2009526940A JP2008554675A JP2008554675A JP2009526940A JP 2009526940 A JP2009526940 A JP 2009526940A JP 2008554675 A JP2008554675 A JP 2008554675A JP 2008554675 A JP2008554675 A JP 2008554675A JP 2009526940 A JP2009526940 A JP 2009526940A
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- 238000000034 method Methods 0.000 title claims description 34
- 238000005303 weighing Methods 0.000 title claims description 10
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 238000002485 combustion reaction Methods 0.000 claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 230000000704 physical effect Effects 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims abstract description 3
- 239000002904 solvent Substances 0.000 claims description 35
- 238000009826 distribution Methods 0.000 claims description 11
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 abstract description 10
- 239000002609 medium Substances 0.000 description 66
- 239000004202 carbamide Substances 0.000 description 42
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 41
- 239000003570 air Substances 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000000243 solution Substances 0.000 description 27
- 239000007789 gas Substances 0.000 description 18
- 239000003638 chemical reducing agent Substances 0.000 description 14
- 238000011109 contamination Methods 0.000 description 10
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012459 cleaning agent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000013630 prepared media Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- -1 urea compound Chemical class 0.000 description 1
Images
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]
-
- 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
-
- 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
-
- 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)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Toxicology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
Description
Claims (9)
- 第1の媒体(HWL)を内燃機関の排気系へ計量分配するための計量装置であって、
前記第1の媒体(HWL)及び第2の媒体が供給される調整装置(2)と、
前記調整装置(2)に接続され、かつ前記第1の媒体(HWL)及び/又は前記第2の媒体を排気系に導入できる分配装置(3)と、を有し、
前記調整装置(2)及び/又は前記分配装置(3)における、前記第1の媒体の成分(HWL)の清浄を前記第2の媒体により可能とされ、
前記調整装置(2)にはさらに第3の媒体を供給でき、前記調整装置(2)及び/又は前記分配装置(3)における、前記第1の媒体の成分の清浄は、前記第3の媒体によっても可能とされ、
前記第3の媒体は前記第2の媒体とは物理的特性及び/又は化学的組成が異なることを特徴とする計量装置。 - 前記第2の媒体として気体が提供され、かつ前記第3の媒体として、少なくとも前記第1の媒体(HWL)の成分を溶解できる溶媒が提供されることを特徴とする請求項1に記載の計量装置。
- 前記調整装置(2)のライン(10)に計量要素(12)が配置され、かつ前記第3の媒体が前記計量要素(12)の上流に供給されることを特徴とする請求項1あるいは2に記載の計量装置。
- 前記調整装置(2)のライン(10)に測定変数用のセンサー装置(20)が配置され、かつ前記第3の媒体の供給が、前記測定変数が基準値からずれると、又は閾値に達すると開始されることを特徴とする請求項1〜3のいずれか一項に記載の計量装置。
- 第1の媒体(HWL)及び第2の媒体が供給される調整装置(2)と、前記調整装置(2)を排気系に接続する分配装置(3)とを有する、請求項1〜4のいずれか一項に記載の計量装置の操作方法であって、
前記調整装置(2)に定期的に前記第3の媒体を供給することを特徴とする方法。 - 前記第3の媒体が、前記調整装置(2)のライン(10)に配置される計量要素(12)の上流に供給されることを特徴とする請求項5に記載の方法。
- 前記調整装置(2)のライン(10)及び/又は前記分配装置(3)において測定変数が監視され、かつ前記第3の媒体の供給が、基準値に対して予め設定可能な量だけ変化した場合又は予め設定された閾値に達すると、行われることを特徴とする請求項5あるいは6に記載の方法。
- 前記第2の媒体の供給及び前記第3の媒体の供給が、予め設定可能な時間内で交互に行われることを特徴とする請求項5〜7のいずれか一項に記載の方法。
- 前記第1の媒体(HWL)の供給が、前記第2の媒体及び/又は前記第3の媒体の供給中、低減されることを特徴とする請求項5〜8のいずれか一項に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006007658A DE102006007658A1 (de) | 2006-02-18 | 2006-02-18 | Dosiervorrichtung und Verfahren zum Betrieb derselben |
DE102006007658.3 | 2006-02-18 | ||
PCT/EP2007/001307 WO2007093410A1 (de) | 2006-02-18 | 2007-02-15 | Dosiervorrichtung und verfahren zum betrieb derselben |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009526940A true JP2009526940A (ja) | 2009-07-23 |
JP4742152B2 JP4742152B2 (ja) | 2011-08-10 |
Family
ID=37989095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008554675A Active JP4742152B2 (ja) | 2006-02-18 | 2007-02-15 | 計量装置及びその操作方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20090139209A1 (ja) |
EP (1) | EP1984606B1 (ja) |
JP (1) | JP4742152B2 (ja) |
CN (1) | CN101384801B (ja) |
DE (2) | DE102006007658A1 (ja) |
WO (1) | WO2007093410A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009014831A1 (de) | 2009-03-25 | 2010-09-30 | Daimler Ag | Verfahren zum Betreiben eines Reduktionsmittelversorgungssystems |
CN103111445A (zh) * | 2012-12-25 | 2013-05-22 | 中国第一汽车股份有限公司 | 去除管道壁上尿素结晶的清洗方法 |
US20140202139A1 (en) * | 2013-01-18 | 2014-07-24 | Baohua Qi | Hydrocarbon Delivery Apparatus |
DE102017010254A1 (de) * | 2017-11-06 | 2019-05-09 | Wabco Gmbh | Reinigungsvorrichtung, Druckluftsystem, Reinigungsverfahren |
EP3894674B1 (en) * | 2018-12-14 | 2024-07-03 | Cummins Filtration IP, Inc. | Diesel fuel dosing module for regeneration of diesel particulate filters with continuous purging, system and method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01139146A (ja) * | 1987-08-14 | 1989-05-31 | Mitsubishi Heavy Ind Ltd | 砒素分による劣化脱硝触媒の再生方法及び同装置 |
JPH05269351A (ja) * | 1992-03-27 | 1993-10-19 | Tokyo Gas Co Ltd | 窒素酸化物除去方法 |
JPH09290134A (ja) * | 1996-04-26 | 1997-11-11 | Blue Notsukusu Japan Kk | 窒素酸化物除去装置の清浄方法 |
JP2005180880A (ja) * | 2003-12-24 | 2005-07-07 | Yoshitsugu Sakurai | 廃棄物の熱分解処理装置および熱分解処理制御システム |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02265619A (ja) | 1989-04-06 | 1990-10-30 | Nkk Corp | 無触媒脱硝における還元剤の制御法 |
KR960011040B1 (ko) | 1992-03-24 | 1996-08-16 | 안자이 구니오 | 질소 산화물 제거방법과 그 실시에 사용하기 위한 장치 |
DE4436397B4 (de) * | 1994-10-12 | 2006-06-08 | Robert Bosch Gmbh | Einrichtung zum Nachbehandeln von Abgasen |
JPH0913955A (ja) | 1995-06-27 | 1997-01-14 | Komatsu Ltd | ディーゼルエンジンの排気ガス浄化装置 |
US6853946B2 (en) * | 1999-11-05 | 2005-02-08 | Adam Cohen | Air flow sensing and control for animal confinement system |
US6470673B1 (en) * | 2000-02-22 | 2002-10-29 | Ford Global Technologies, Inc. | Control of a NOX reductant delivery system |
DE10127834A1 (de) * | 2001-06-08 | 2002-12-12 | Bosch Gmbh Robert | Vorrichtung und Verfahren zur Dosierung eines Reduktionsmittels zur Entfernung von Stickoxiden aus Abgasen |
DE10139142A1 (de) * | 2001-08-09 | 2003-02-20 | Bosch Gmbh Robert | Abgasbehandlungseinheit und Messvorrichtung zur Ermittlung einer Konzentration einer Harnstoff-Wasser-Lösung |
US6899114B2 (en) * | 2001-08-22 | 2005-05-31 | Paul A. Wilson | Device for the dilution and application of liquids |
DE10254981A1 (de) | 2002-11-26 | 2004-06-03 | Robert Bosch Gmbh | Vorrichtung zur Entfernung eines Reduktionsmittels aus einer Apparatur zum Nachbehandeln von Abgasen einer Brennkraftmaschine |
US7703276B2 (en) * | 2003-10-02 | 2010-04-27 | Nissan Diesel Motor Co., Ltd. | Exhaust gas purifying apparatus for engine |
JP2006046287A (ja) * | 2004-08-09 | 2006-02-16 | Hino Motors Ltd | 排気浄化装置 |
US7644725B2 (en) * | 2005-12-16 | 2010-01-12 | Advance Electric Japan Kabushiki Kaisha | Mixing valve and mixing device |
-
2006
- 2006-02-18 DE DE102006007658A patent/DE102006007658A1/de not_active Withdrawn
-
2007
- 2007-02-15 WO PCT/EP2007/001307 patent/WO2007093410A1/de active Application Filing
- 2007-02-15 EP EP07722821A patent/EP1984606B1/de active Active
- 2007-02-15 DE DE502007004717T patent/DE502007004717D1/de active Active
- 2007-02-15 JP JP2008554675A patent/JP4742152B2/ja active Active
- 2007-02-15 CN CN200780005785XA patent/CN101384801B/zh active Active
-
2008
- 2008-08-15 US US12/228,881 patent/US20090139209A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01139146A (ja) * | 1987-08-14 | 1989-05-31 | Mitsubishi Heavy Ind Ltd | 砒素分による劣化脱硝触媒の再生方法及び同装置 |
JPH05269351A (ja) * | 1992-03-27 | 1993-10-19 | Tokyo Gas Co Ltd | 窒素酸化物除去方法 |
JPH09290134A (ja) * | 1996-04-26 | 1997-11-11 | Blue Notsukusu Japan Kk | 窒素酸化物除去装置の清浄方法 |
JP2005180880A (ja) * | 2003-12-24 | 2005-07-07 | Yoshitsugu Sakurai | 廃棄物の熱分解処理装置および熱分解処理制御システム |
Also Published As
Publication number | Publication date |
---|---|
DE502007004717D1 (de) | 2010-09-23 |
EP1984606B1 (de) | 2010-08-11 |
WO2007093410A1 (de) | 2007-08-23 |
DE102006007658A1 (de) | 2007-08-23 |
JP4742152B2 (ja) | 2011-08-10 |
US20090139209A1 (en) | 2009-06-04 |
CN101384801A (zh) | 2009-03-11 |
CN101384801B (zh) | 2013-01-02 |
EP1984606A1 (de) | 2008-10-29 |
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