DE3728557C2 - - Google Patents

Info

Publication number
DE3728557C2
DE3728557C2 DE3728557A DE3728557A DE3728557C2 DE 3728557 C2 DE3728557 C2 DE 3728557C2 DE 3728557 A DE3728557 A DE 3728557A DE 3728557 A DE3728557 A DE 3728557A DE 3728557 C2 DE3728557 C2 DE 3728557C2
Authority
DE
Germany
Prior art keywords
nozzle
ammonia
reactor
gas stream
heat protection
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
Application number
DE3728557A
Other languages
German (de)
English (en)
Other versions
DE3728557A1 (de
Inventor
Claus Prof. Dr. 4300 Essen De Flockenhaus
Karl-Heinrich 4320 Hattingen De Laue
Theo 4300 Essen De Sander
Hartmut Dr. 6200 Wiesbaden De Kainer
Daniel 6229 Schlangenbad De Grimm
Wilfried Dr. 4787 Geseke De Schnelle
Dietmar Dr. 6050 Offenbach De Thalheim
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.)
Didier Engineering GmbH
Didier Werke AG
Original Assignee
Didier Engineering GmbH
Didier Werke AG
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 Didier Engineering GmbH, Didier Werke AG filed Critical Didier Engineering GmbH
Priority to DE19873728557 priority Critical patent/DE3728557A1/de
Publication of DE3728557A1 publication Critical patent/DE3728557A1/de
Application granted granted Critical
Publication of DE3728557C2 publication Critical patent/DE3728557C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B01D53/56—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • B01F25/31322—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices used simultaneously
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00076—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements inside the reactor
    • B01J2219/00081—Tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
    • B01J2219/00119—Heat exchange inside a feeding nozzle or nozzle reactor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
DE19873728557 1987-08-27 1987-08-27 Verfahren zur verteilung von ammoniak in einem gasstrom und vorrichtung zur durchfuehrung des verfahrens Granted DE3728557A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873728557 DE3728557A1 (de) 1987-08-27 1987-08-27 Verfahren zur verteilung von ammoniak in einem gasstrom und vorrichtung zur durchfuehrung des verfahrens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873728557 DE3728557A1 (de) 1987-08-27 1987-08-27 Verfahren zur verteilung von ammoniak in einem gasstrom und vorrichtung zur durchfuehrung des verfahrens

Publications (2)

Publication Number Publication Date
DE3728557A1 DE3728557A1 (de) 1989-03-09
DE3728557C2 true DE3728557C2 (hr) 1989-06-01

Family

ID=6334577

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873728557 Granted DE3728557A1 (de) 1987-08-27 1987-08-27 Verfahren zur verteilung von ammoniak in einem gasstrom und vorrichtung zur durchfuehrung des verfahrens

Country Status (1)

Country Link
DE (1) DE3728557A1 (hr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29821687U1 (de) * 1998-12-05 2000-04-06 Gea Finnah Gmbh Vorrichtung zum Erzeugen eines Aerosols
CN105473942A (zh) * 2013-08-28 2016-04-06 阿尔斯通技术有限公司 用于高尘和低尘环境选择性催化还原系统的注射器格栅

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3915731A1 (de) * 1989-05-13 1990-11-15 Uhde Gmbh Verfahren zur rueckstandsfreien verdampfung von ammonikwasser mit anschliessender beladung eines traegerluftstroms
EP0432166A1 (en) * 1989-07-04 1991-06-19 Fuel Tech Europe Limited Lance-type injection apparatus for introducing chemical agents into flue gases
DE59506772D1 (de) * 1994-03-21 1999-10-14 Seghers Better Technology Grou Verfahren und vorrichtung zum einbringen eines flüssigen oder gasförmigen behandlungsmediums in einen rauchgasstrom
FR2775061B1 (fr) * 1998-02-16 2000-03-10 Gec Alsthom Stein Ind Chaudiere a lit fluidise circulant a reduction d'oxydes d'azote amelioree
AU2003284210A1 (en) * 2002-10-15 2004-05-04 Vast Power Systems, Inc. Method and apparatus for mixing fluids
DE102005020942A1 (de) 2005-05-04 2006-11-09 Linde Ag Gas-Gas-Mischer
FR2902350B1 (fr) * 2006-06-15 2009-03-20 Egci Pillard Sa Systeme d'injection de liquide reactif atomise pour la reduction d'oxydes d'azote de gaz de combustion
WO2009138110A1 (de) * 2008-05-15 2009-11-19 Horst Grochowski Verfahren und vorrichtung zum mischen von fluiden an einer breitschlitzdüse
JP5308176B2 (ja) * 2009-02-03 2013-10-09 ヤンマー株式会社 排気浄化装置
US8317390B2 (en) * 2010-02-03 2012-11-27 Babcock & Wilcox Power Generation Group, Inc. Stepped down gas mixing device
CN102242658A (zh) * 2010-05-10 2011-11-16 中国第一汽车集团公司无锡油泵油嘴研究所 采用气体压力源的尿素喷射系统
CN101922335B (zh) * 2010-09-09 2013-03-27 中国第一汽车集团公司 尿素还原剂的一阀二控喷射方法
CN101929375B (zh) * 2010-09-09 2014-04-16 中国第一汽车集团公司 尿素还原剂的一阀三控喷射方法
CN101929378A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的多阀喷射方法
CN101929377A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的三阀喷射方法
CN101929379A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的二阀喷射方法
CN101929376A (zh) * 2010-09-09 2010-12-29 中国第一汽车集团公司 尿素还原剂的一阀四控喷射方法
CN101922336A (zh) * 2010-09-09 2010-12-22 中国第一汽车集团公司 尿素还原剂的四阀喷射方法
CN101922334A (zh) * 2010-09-09 2010-12-22 中国第一汽车集团公司 尿素还原剂的一阀五控喷射方法
US9364802B2 (en) * 2011-03-01 2016-06-14 Basf Se Method and apparatus for the intermixing of two fluid streams
WO2012117003A1 (de) * 2011-03-01 2012-09-07 Basf Se Verfahren und vorrichtung zur vermischung zweier fluidströme
DE102015118006A1 (de) * 2015-10-22 2017-04-27 Steag New Energies Gmbh Verfahren und Vorrichtung zur Reduzierung der Emission von Stickoxiden durch Verbrennungsanlagen
JP7208037B2 (ja) 2019-01-30 2023-01-18 三菱重工業株式会社 還元剤供給装置及び脱硝装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29821687U1 (de) * 1998-12-05 2000-04-06 Gea Finnah Gmbh Vorrichtung zum Erzeugen eines Aerosols
CN105473942A (zh) * 2013-08-28 2016-04-06 阿尔斯通技术有限公司 用于高尘和低尘环境选择性催化还原系统的注射器格栅

Also Published As

Publication number Publication date
DE3728557A1 (de) 1989-03-09

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8330 Complete disclaimer