ATE105730T1 - Verfahren und vorrichtung zur denitrierung. - Google Patents

Verfahren und vorrichtung zur denitrierung.

Info

Publication number
ATE105730T1
ATE105730T1 AT87301221T AT87301221T ATE105730T1 AT E105730 T1 ATE105730 T1 AT E105730T1 AT 87301221 T AT87301221 T AT 87301221T AT 87301221 T AT87301221 T AT 87301221T AT E105730 T1 ATE105730 T1 AT E105730T1
Authority
AT
Austria
Prior art keywords
gas
untreated
denitration
reactor
nox
Prior art date
Application number
AT87301221T
Other languages
English (en)
Inventor
Toshimichi Wada
Hiroshi Kuroda
Tomihisa Ishikawa
Yoshimichi Mori
Original Assignee
Babcock Hitachi Kk
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 Babcock Hitachi Kk filed Critical Babcock Hitachi Kk
Application granted granted Critical
Publication of ATE105730T1 publication Critical patent/ATE105730T1/de

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]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • 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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • 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
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F01N13/0093—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series the purifying devices are of the same type
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/011—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel
    • F01N13/017—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more purifying devices arranged in parallel the purifying devices are arranged in a single housing
    • 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
    • F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
    • 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
    • F01N9/00—Electrical control of exhaust gas treating 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
    • F01N2610/02—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
    • F01N2610/14—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
    • 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
    • F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
    • 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
    • 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
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
  • Treating Waste Gases (AREA)
AT87301221T 1986-02-12 1987-02-12 Verfahren und vorrichtung zur denitrierung. ATE105730T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61026950A JPH0667453B2 (ja) 1986-02-12 1986-02-12 脱硝装置

Publications (1)

Publication Number Publication Date
ATE105730T1 true ATE105730T1 (de) 1994-06-15

Family

ID=12207431

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87301221T ATE105730T1 (de) 1986-02-12 1987-02-12 Verfahren und vorrichtung zur denitrierung.

Country Status (5)

Country Link
US (1) US4820492A (de)
EP (1) EP0234817B1 (de)
JP (1) JPH0667453B2 (de)
AT (1) ATE105730T1 (de)
DE (1) DE3789816T2 (de)

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* Cited by examiner, † Cited by third party
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FR2651444B1 (fr) * 1989-09-01 1993-11-26 Nonox Kat Ag Dispositif pour la reduction de composes d'oxyde d'azote d'un gaz de combustion.
DE4109305A1 (de) * 1991-03-21 1992-09-24 Siemens Ag Einrichtung zum einbringen eines reaktionsmittels in einen gasstrom
JP3248008B2 (ja) * 1992-09-25 2002-01-21 三信工業株式会社 船外機の排気浄化用触媒支持構造
ATE169130T1 (de) * 1993-11-04 1998-08-15 Siemens Ag Verfahren und einrichtung zur dosierung eines reaktanten in ein strömungsmedium
US5849593A (en) * 1994-11-04 1998-12-15 Siemens Aktiengesellschaft Method for metering a reagent into a flowing medium
JP3237611B2 (ja) * 1997-11-11 2001-12-10 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6821490B2 (en) * 2001-02-26 2004-11-23 Abb Lummus Global Inc. Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
US6663839B2 (en) 2001-02-26 2003-12-16 Abb Lummus Global Inc. Radial flow gas phase reactor and method for reducing the nitrogen oxide content of a gas
US20020159923A1 (en) * 2001-02-26 2002-10-31 Platvoet Erwin M.J. Gas phase reactor and process for reducing nitrogen oxide in a gas stream
US6706246B2 (en) 2001-02-26 2004-03-16 Abb Lummus Global Inc. System and method for the selective catalytic reduction of nitrogen oxide in a gas stream
JP4938945B2 (ja) * 2001-09-12 2012-05-23 三菱重工業株式会社 脱硝装置および脱硝方法
US7383850B2 (en) * 2005-01-18 2008-06-10 Peerless Mfg. Co. Reagent injection grid
DE102007022678A1 (de) 2007-05-11 2008-11-13 Hydraulik-Ring Gmbh Abgasnachbehandlungseinheit auf Ammoniakbasis und Verfahren zur Reinigung stickoxidhaltiger Abgase von Verbrennungskraftmaschinen
JP5418774B2 (ja) * 2009-12-15 2014-02-19 株式会社Ｉｈｉ 排煙脱硝装置
EP2433701A1 (de) * 2010-09-27 2012-03-28 Alstom Technology Ltd Gasflussregulierungsanordnung
TW201714664A (zh) * 2015-06-24 2017-05-01 三菱日立電力系統股份有限公司 脫硝裝置及脫硝方法
FR3061031A1 (fr) * 2016-12-22 2018-06-29 Suez Groupe Procede et installation de denitrification des fumees de combustion
WO2018207332A1 (ja) * 2017-05-11 2018-11-15 三菱日立パワーシステムズ株式会社 燃焼排ガス浄化システムの運用方法
CN108295657A (zh) * 2018-04-11 2018-07-20 江苏垦乐节能环保科技有限公司 一种低温分仓式脱硝反应器及烟气脱硝方法
US10989075B2 (en) * 2018-10-01 2021-04-27 Mitsubishi Power Americas, Inc. Emission reducing louvers
CN112387114A (zh) * 2020-11-20 2021-02-23 西安热工研究院有限公司 一种有效提高scr脱硝效率的装置和方法
EP4212708B1 (de) 2022-01-17 2024-05-15 Volvo Truck Corporation Verfahren zur steuerung eines abgasstroms in einem abgasnachbehandlungssystem (agn) eines fahrzeugs
CN114797452B (zh) * 2022-04-18 2023-08-15 西安热工研究院有限公司 一种可调型旁路注入装置及调整方法

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US3467492A (en) * 1964-11-06 1969-09-16 Chemical Construction Corp Elimination of nitrogen oxides from gas streams
GB1362202A (en) * 1971-01-19 1974-07-30 British Leyland Motor Corp Exhaust systems for internal combustion engines
DE2128989C3 (de) * 1971-06-11 1980-12-11 Volkswagenwerk Ag, 3180 Wolfsburg Abgasreinigungsanlage für Brennkraftmaschinen
JPS5184771A (de) * 1975-01-24 1976-07-24 Nippon Steel Corp
JPS5278755A (en) * 1975-12-26 1977-07-02 Hitachi Ltd Catalyst packing tower
CA1092910A (en) * 1976-07-27 1981-01-06 Ko'hei Hamabe Boiler apparatus containing denitrator
JPS5394258A (en) * 1977-01-31 1978-08-18 Kurabo Ind Ltd Control method and apparatus for nitrogen oxides removing apparatus
JPS5397975A (en) * 1977-02-08 1978-08-26 Toa Nenryo Kogyo Kk Removing method for nitrogen oxides contained in exhaust gas
GB1586530A (en) * 1977-05-31 1981-03-18 Caterpillar Tractor Co Two-stage catalysts of engine exhaust
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JPS61230722A (ja) * 1985-04-03 1986-10-15 Mitsubishi Heavy Ind Ltd 排ガスの脱硝法

Also Published As

Publication number Publication date
DE3789816D1 (de) 1994-06-23
EP0234817A2 (de) 1987-09-02
JPH0667453B2 (ja) 1994-08-31
EP0234817B1 (de) 1994-05-18
US4820492A (en) 1989-04-11
JPS62186926A (ja) 1987-08-15
EP0234817A3 (en) 1987-12-16
DE3789816T2 (de) 1994-09-01

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