EP0851173A3 - A method of controlling nitrous oxide in circulating fluidized bed steam generators - Google Patents
A method of controlling nitrous oxide in circulating fluidized bed steam generators Download PDFInfo
- Publication number
- EP0851173A3 EP0851173A3 EP97122925A EP97122925A EP0851173A3 EP 0851173 A3 EP0851173 A3 EP 0851173A3 EP 97122925 A EP97122925 A EP 97122925A EP 97122925 A EP97122925 A EP 97122925A EP 0851173 A3 EP0851173 A3 EP 0851173A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluidized bed
- circulating fluidized
- bed steam
- nitrous oxide
- steam generators
- 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.)
- Granted
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)
- Treating Waste Gases (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77476396A | 1996-12-30 | 1996-12-30 | |
US774763 | 1996-12-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0851173A2 EP0851173A2 (en) | 1998-07-01 |
EP0851173A3 true EP0851173A3 (en) | 1999-07-28 |
EP0851173B1 EP0851173B1 (en) | 2002-11-20 |
Family
ID=25102207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97122925A Expired - Lifetime EP0851173B1 (en) | 1996-12-30 | 1997-12-29 | A method of controlling nitrous oxide in circulating fluidized bed steam generators |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0851173B1 (en) |
AT (1) | ATE228225T1 (en) |
DE (1) | DE69717240D1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI20055063A (en) * | 2005-02-11 | 2006-08-12 | Kvaerner Power Oy | Method for reducing nitrogen oxide emissions from a fluidized bed boiler and air distribution system for a fluidized bed boiler |
JP5435973B2 (en) * | 2009-01-30 | 2014-03-05 | メタウォーター株式会社 | Fluidized incinerator |
JP5916470B2 (en) * | 2011-08-04 | 2016-05-11 | 三菱重工業株式会社 | Fluidized bed processing system and N2O removal method of fluidized bed combustion exhaust gas |
CN102278743A (en) * | 2011-08-16 | 2011-12-14 | 江苏太湖锅炉股份有限公司 | Recirculating fluidized bed boiler |
CN102721046B (en) * | 2012-07-06 | 2015-01-14 | 无锡华光锅炉股份有限公司 | Circulating fluidized bed boiler for combustion papermaking waste residue and sludge |
CN104748108B (en) * | 2015-04-10 | 2017-05-31 | 东方电气集团东方锅炉股份有限公司 | The combustion system and method for Collaborative Control CFB boiler in-furnace desulfurization, denitration |
CN105465771B (en) * | 2015-11-06 | 2017-10-13 | 广东工业大学 | A kind of thick coal gasifying burner of whirlwind |
CN112413573B (en) * | 2019-08-21 | 2022-12-27 | 中国科学院工程热物理研究所 | Oxygen-enriched combustion system and oxygen-enriched combustion method of circulating fluidized bed |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0216677A1 (en) * | 1985-09-09 | 1987-04-01 | Framatome | Boiler with a circulating fluidized bed |
WO1993018341A1 (en) * | 1992-03-05 | 1993-09-16 | Technische Universiteit Delft | Method and apparatus for combusting a carbonaceous material |
EP0571234A2 (en) * | 1992-05-22 | 1993-11-24 | Foster Wheeler Energy Corporation | Process for decreasing N2O emissions from a fluidized bed reactor |
JPH05340509A (en) * | 1992-06-09 | 1993-12-21 | Kobe Steel Ltd | N2 and nox reducing method in fluidized bed combustion |
WO1996006303A1 (en) * | 1994-08-19 | 1996-02-29 | Kvaerner Enviropower Ab | Combustion method |
WO1996035080A1 (en) * | 1995-05-05 | 1996-11-07 | Combustion Engineering, Inc. | CIRCULATING FLUID BED STEAM GENERATOR NOx CONTROL |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE466814B (en) | 1989-06-01 | 1992-04-06 | Kvaerner Generator Ab | DEVICE FOR DEGRADATION OF GASES GENERATED FOR PRESENT BURNING AT UNGEFER 850 DEGREES C OF THE SOLID BROWN IN A LIQUID BED |
DE3933286A1 (en) | 1989-10-05 | 1991-04-18 | Steinmueller Gmbh L & C | METHOD FOR REDUCING THE NUMBER OF NITROGEN OXIDES IN THE SMOKE GASES OF A BURNER |
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 |
US5378443A (en) | 1992-01-03 | 1995-01-03 | A. Ahlstrom Corporation | Method for reducing emissions when burning nitrogen containing fuels |
US5344629A (en) | 1992-01-03 | 1994-09-06 | A. Ahlstrom Corporation | Reducing Z20 emissions |
-
1997
- 1997-12-29 EP EP97122925A patent/EP0851173B1/en not_active Expired - Lifetime
- 1997-12-29 AT AT97122925T patent/ATE228225T1/en not_active IP Right Cessation
- 1997-12-29 DE DE69717240T patent/DE69717240D1/en not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0216677A1 (en) * | 1985-09-09 | 1987-04-01 | Framatome | Boiler with a circulating fluidized bed |
WO1993018341A1 (en) * | 1992-03-05 | 1993-09-16 | Technische Universiteit Delft | Method and apparatus for combusting a carbonaceous material |
EP0571234A2 (en) * | 1992-05-22 | 1993-11-24 | Foster Wheeler Energy Corporation | Process for decreasing N2O emissions from a fluidized bed reactor |
US5325796A (en) * | 1992-05-22 | 1994-07-05 | Foster Wheeler Energy Corporation | Process for decreasing N2 O emissions from a fluidized bed reactor |
JPH05340509A (en) * | 1992-06-09 | 1993-12-21 | Kobe Steel Ltd | N2 and nox reducing method in fluidized bed combustion |
WO1996006303A1 (en) * | 1994-08-19 | 1996-02-29 | Kvaerner Enviropower Ab | Combustion method |
WO1996035080A1 (en) * | 1995-05-05 | 1996-11-07 | Combustion Engineering, Inc. | CIRCULATING FLUID BED STEAM GENERATOR NOx CONTROL |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 018, no. 183 (M - 1584) 29 March 1994 (1994-03-29) * |
Also Published As
Publication number | Publication date |
---|---|
ATE228225T1 (en) | 2002-12-15 |
EP0851173B1 (en) | 2002-11-20 |
DE69717240D1 (en) | 2003-01-02 |
EP0851173A2 (en) | 1998-07-01 |
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