DE69919424D1 - Zirkulierender Wirbelbettkessel mit verbesserter NOx-Reduzierung - Google Patents

Zirkulierender Wirbelbettkessel mit verbesserter NOx-Reduzierung

Info

Publication number
DE69919424D1
DE69919424D1 DE69919424T DE69919424T DE69919424D1 DE 69919424 D1 DE69919424 D1 DE 69919424D1 DE 69919424 T DE69919424 T DE 69919424T DE 69919424 T DE69919424 T DE 69919424T DE 69919424 D1 DE69919424 D1 DE 69919424D1
Authority
DE
Germany
Prior art keywords
fluidized bed
circulating fluidized
nox reduction
bed boiler
improved nox
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
DE69919424T
Other languages
English (en)
Other versions
DE69919424T2 (de
Inventor
Jean Xavier Morin
Michel Vandycke
Corinne Beal
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.)
General Electric Technology GmbH
Original Assignee
Alstom Power Boiler SA
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 Alstom Power Boiler SA filed Critical Alstom Power Boiler SA
Application granted granted Critical
Publication of DE69919424D1 publication Critical patent/DE69919424D1/de
Publication of DE69919424T2 publication Critical patent/DE69919424T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C10/00—Fluidised bed combustion apparatus
    • F23C10/02—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed
    • F23C10/04—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone
    • F23C10/08—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases
    • F23C10/10—Fluidised bed combustion apparatus with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases the separation apparatus being located outside the combustion chamber
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2206/00—Fluidised bed combustion
    • F23C2206/10—Circulating fluidised bed
    • F23C2206/103—Cooling recirculating particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2215/00—Preventing emissions
    • F23J2215/10—Nitrogen; Compounds thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2219/00—Treatment devices
    • F23J2219/20—Non-catalytic reduction devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
DE69919424T 1998-02-16 1999-02-09 Zirkulierender Wirbelbettkessel mit verbesserter NOx-Reduzierung Expired - Lifetime DE69919424T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9801839A FR2775061B1 (fr) 1998-02-16 1998-02-16 Chaudiere a lit fluidise circulant a reduction d'oxydes d'azote amelioree
FR9801839 1998-02-16

Publications (2)

Publication Number Publication Date
DE69919424D1 true DE69919424D1 (de) 2004-09-23
DE69919424T2 DE69919424T2 (de) 2005-09-08

Family

ID=9523008

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69919424T Expired - Lifetime DE69919424T2 (de) 1998-02-16 1999-02-09 Zirkulierender Wirbelbettkessel mit verbesserter NOx-Reduzierung

Country Status (7)

Country Link
US (1) US6067943A (de)
EP (1) EP0936405B1 (de)
CN (1) CN1135319C (de)
DE (1) DE69919424T2 (de)
ES (1) ES2227980T3 (de)
FR (1) FR2775061B1 (de)
MX (1) MXPA99001556A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803020B1 (fr) * 1999-12-22 2002-04-12 Abb Alstom Power Comb Procede pour reduire les emissions d'oxydes d'azote dans une installation de combustion en lit fluidise circulant
US6269778B1 (en) * 1999-12-17 2001-08-07 The Babcock & Wilcox Company Fine solids recycle in a circulating fluidized bed
US8449288B2 (en) 2003-03-19 2013-05-28 Nalco Mobotec, Inc. Urea-based mixing process for increasing combustion efficiency and reduction of nitrogen oxides (NOx)
US7670569B2 (en) 2003-06-13 2010-03-02 Mobotec Usa, Inc. Combustion furnace humidification devices, systems & methods
US8353698B2 (en) * 2003-06-13 2013-01-15 Nalco Mobotec, Inc. Co-axial injection system
US8251694B2 (en) 2004-02-14 2012-08-28 Nalco Mobotec, Inc. Method for in-furnace reduction flue gas acidity
US7410356B2 (en) 2005-11-17 2008-08-12 Mobotec Usa, Inc. Circulating fluidized bed boiler having improved reactant utilization
US8020498B2 (en) * 2007-05-01 2011-09-20 Phase Inc. Methods and apparatus for enhanced incineration
US8555797B2 (en) * 2007-05-10 2013-10-15 Alstom Technology Ltd System and method for decreasing NOx emissions from a fluidized bed combustion system
AT505526B1 (de) * 2007-08-14 2010-09-15 Univ Wien Tech Wirbelschichtreaktorsystem
US8069824B2 (en) 2008-06-19 2011-12-06 Nalco Mobotec, Inc. Circulating fluidized bed boiler and method of operation
DE102010036749A1 (de) 2010-07-19 2012-01-19 Heizkraftwerksgesellschaft Cottbus Mbh Verfahren zur Leistungssteigerung bei gleichzeitiger Verminderung von Ablagerungen in Kesseln mit Wirbelschicht-Feuerung
DE102011052788B4 (de) 2011-08-17 2014-03-20 Harald Sauer Verfahren und Vorrichtung zur Reinigung von Abgasen
CN102626586B (zh) * 2012-04-01 2014-06-04 无锡雪浪环境科技股份有限公司 烟气氮氧化物减排控制的处理装置
US10746141B2 (en) * 2017-03-14 2020-08-18 Kohler Co. Engine air cleaner
US10653996B1 (en) * 2019-05-13 2020-05-19 The Babcock & Wilcox Company Selective non-catalytic reduction (SNCR) of NOx in fluidized bed combustion reactors

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728557A1 (de) * 1987-08-27 1989-03-09 Didier Eng Verfahren zur verteilung von ammoniak in einem gasstrom und vorrichtung zur durchfuehrung des verfahrens
SE466814B (sv) * 1989-06-01 1992-04-06 Kvaerner Generator Ab Anordning foer nedbrytande av gaser alstrade vid foerbraenning vid ungefaer 850 grader c av fasta braenslen i en fluidbaedd
EP0432166A1 (de) * 1989-07-04 1991-06-19 Fuel Tech Europe Limited Lanzartiges injektionsgerät zum einbringen von chemikalien in abgase
GB2271517A (en) * 1992-10-14 1994-04-20 Dorr Oliver Inc Flue gas NOx reduction in a fluidized bed reactor
US5315941A (en) * 1993-06-07 1994-05-31 The Babcock & Wilcox Company Method and apparatus for injecting nox inhibiting reagent into the flue gas of a boiler
US5465690A (en) * 1994-04-12 1995-11-14 A. Ahlstrom Corporation Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler
US5462718A (en) 1994-06-13 1995-10-31 Foster Wheeler Energy Corporation System for decreasing NOx emissions from a fluidized bed reactor
CH689312A5 (de) * 1995-01-10 1999-02-15 Von Roll Umwelttechnik Ag Verfahren zum Verbrennen von Abfallmaterial unter Gewinnung von thermischer Energie.

Also Published As

Publication number Publication date
DE69919424T2 (de) 2005-09-08
CN1226653A (zh) 1999-08-25
EP0936405B1 (de) 2004-08-18
EP0936405A1 (de) 1999-08-18
ES2227980T3 (es) 2005-04-01
US6067943A (en) 2000-05-30
FR2775061A1 (fr) 1999-08-20
CN1135319C (zh) 2004-01-21
MXPA99001556A (es) 2004-10-28
FR2775061B1 (fr) 2000-03-10

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