ATE228225T1 - Verfahren zur kontrolle von stickoxiden bei einem dampferzeuger mit zirkulierender wirbelschicht - Google Patents

Verfahren zur kontrolle von stickoxiden bei einem dampferzeuger mit zirkulierender wirbelschicht

Info

Publication number
ATE228225T1
ATE228225T1 AT97122925T AT97122925T ATE228225T1 AT E228225 T1 ATE228225 T1 AT E228225T1 AT 97122925 T AT97122925 T AT 97122925T AT 97122925 T AT97122925 T AT 97122925T AT E228225 T1 ATE228225 T1 AT E228225T1
Authority
AT
Austria
Prior art keywords
steam generator
circulating fluidized
nitrogen oxides
controlling nitrogen
fluidized steam
Prior art date
Application number
AT97122925T
Other languages
English (en)
Inventor
Peter Schmidt
Michael Chris Tanca
Original Assignee
Alstom Power Inc
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 Inc filed Critical Alstom Power Inc
Application granted granted Critical
Publication of ATE228225T1 publication Critical patent/ATE228225T1/de

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
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • 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
    • F23J2215/101—Nitrous oxide (N2O)

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Treating Waste Gases (AREA)
AT97122925T 1996-12-30 1997-12-29 Verfahren zur kontrolle von stickoxiden bei einem dampferzeuger mit zirkulierender wirbelschicht ATE228225T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77476396A 1996-12-30 1996-12-30

Publications (1)

Publication Number Publication Date
ATE228225T1 true ATE228225T1 (de) 2002-12-15

Family

ID=25102207

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97122925T ATE228225T1 (de) 1996-12-30 1997-12-29 Verfahren zur kontrolle von stickoxiden bei einem dampferzeuger mit zirkulierender wirbelschicht

Country Status (3)

Country Link
EP (1) EP0851173B1 (de)
AT (1) ATE228225T1 (de)
DE (1) DE69717240D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20055063A (fi) * 2005-02-11 2006-08-12 Kvaerner Power Oy Menetelmä kerrosleijukattilan typenoksidipäästöjen vähentämiseksi ja kerrosleijukattilan ilmanjakojärjestelmä
JP5435973B2 (ja) * 2009-01-30 2014-03-05 メタウォーター株式会社 流動焼却炉
JP5916470B2 (ja) * 2011-08-04 2016-05-11 三菱重工業株式会社 流動層処理システム及び流動層燃焼排ガスのｎ２ｏ除去方法
CN102278743A (zh) * 2011-08-16 2011-12-14 江苏太湖锅炉股份有限公司 循环流化床锅炉
CN102721046B (zh) * 2012-07-06 2015-01-14 无锡华光锅炉股份有限公司 燃用造纸废渣和污泥的循环流化床锅炉
CN104748108B (zh) * 2015-04-10 2017-05-31 东方电气集团东方锅炉股份有限公司 协同控制cfb锅炉炉内脱硫脱硝的燃烧系统及方法
CN105465771B (zh) * 2015-11-06 2017-10-13 广东工业大学 一种旋风粗煤粉气化燃烧装置
CN112413573B (zh) * 2019-08-21 2022-12-27 中国科学院工程热物理研究所 一种循环流化床富氧燃烧系统及富氧燃烧方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2587090B1 (fr) * 1985-09-09 1987-12-04 Framatome Sa Chaudiere a lit fluidise circulant
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
DE3933286A1 (de) 1989-10-05 1991-04-18 Steinmueller Gmbh L & C Verfahren zur minderung des gehaltes an stickoxiden in den rauchgasen einer feuerung
US5048432B1 (en) 1990-12-27 1996-07-02 Nalco Fuel Tech Process and apparatus for the thermal decomposition of nitrous oxide
US5171553A (en) 1991-11-08 1992-12-15 Air Products And Chemicals, Inc. Catalytic decomposition of N2 O
US5344629A (en) 1992-01-03 1994-09-06 A. Ahlstrom Corporation Reducing Z20 emissions
US5378443A (en) 1992-01-03 1995-01-03 A. Ahlstrom Corporation Method for reducing emissions when burning nitrogen containing fuels
AU1449992A (en) * 1992-03-05 1993-10-05 Technische Universiteit Delft Method and apparatus for combusting a carbonaceous material
US5325796A (en) * 1992-05-22 1994-07-05 Foster Wheeler Energy Corporation Process for decreasing N2 O emissions from a fluidized bed reactor
JP2889049B2 (ja) * 1992-06-09 1999-05-10 株式会社神戸製鋼所 流動層燃焼におけるｎ２ｏ，ｎｏｘ低減方法
SE9402789L (sv) * 1994-08-19 1995-10-02 Kvaerner Enviropower Ab Förfarande för tvåstegsförbränning av fasta bränslen i en cirkulerande fluidiserad bädd
US5660125A (en) * 1995-05-05 1997-08-26 Combustion Engineering, Inc. Circulating fluid bed steam generator NOx control

Also Published As

Publication number Publication date
EP0851173A2 (de) 1998-07-01
DE69717240D1 (de) 2003-01-02
EP0851173A3 (de) 1999-07-28
EP0851173B1 (de) 2002-11-20

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