TW260621B - - Google Patents

Info

Publication number
TW260621B
TW260621B TW084103616A TW84103616A TW260621B TW 260621 B TW260621 B TW 260621B TW 084103616 A TW084103616 A TW 084103616A TW 84103616 A TW84103616 A TW 84103616A TW 260621 B TW260621 B TW 260621B
Authority
TW
Taiwan
Prior art keywords
reducing
stage
gases
nitrogen oxides
catalytic
Prior art date
Application number
TW084103616A
Other languages
English (en)
Chinese (zh)
Original Assignee
Ahlstroem Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22849086&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW260621(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy
Application granted granted Critical
Publication of TW260621B publication Critical patent/TW260621B/zh

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
    • 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
    • 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
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • 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
    • F23J2219/10—Catalytic reduction devices
    • 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)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Treating Waste Gases (AREA)
  • Chimneys And Flues (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
TW084103616A 1994-04-12 1995-06-12 TW260621B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/226,483 US5465690A (en) 1994-04-12 1994-04-12 Method of purifying gases containing nitrogen oxides and an apparatus for purifying gases in a steam generation boiler

Publications (1)

Publication Number Publication Date
TW260621B true TW260621B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1995-10-21

Family

ID=22849086

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084103616A TW260621B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-04-12 1995-06-12

Country Status (13)

Country Link
US (2) US5465690A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0755299B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH09509474A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR970702097A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE183942T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2186369C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CZ (1) CZ287910B6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE69511854T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (1) DK0755299T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
HU (1) HUT76752A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PL (1) PL316785A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW260621B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1995027554A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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DE19600869A1 (de) * 1996-01-12 1997-07-17 Metallgesellschaft Ag Verfahren zur Entstickung von Rauchgasen
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HUP9801342A2 (hu) * 1997-06-20 1999-06-28 Von Roll Umwelttechnik Ag Eljárás füstgázok nitrogénmentesítésére
FI102409B (fi) 1997-09-16 1998-11-30 Foster Wheeler Energia Oy Menetelmä ja laite NOx päästöjen vähentämiseksi sellaisissa kiertoleij upetireaktoreissa, joita käytetään polttamaan polttoaineita, jotka sis ältävät suuren määrän haihtuvia palavia komponentteja
US6048510A (en) * 1997-09-30 2000-04-11 Coal Tech Corporation Method for reducing nitrogen oxides in combustion effluents
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FR2802287B1 (fr) * 1999-12-14 2002-01-11 Abb Alstom Power Comb Procede pour l'amelioration de la combustion dans un systeme a lit fluidise circulant et systeme correspondant
US7829033B2 (en) * 2003-07-03 2010-11-09 Fuel Tech, Inc. Selective catalytic reduction of NOx enabled by sidestream urea decomposition
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FI118132B2 (fi) * 2001-05-08 2015-01-30 Metso Power Oy Menetelmä soodakattilassa ja soodakattila
US6944978B2 (en) * 2001-06-11 2005-09-20 Douglas Dynamics, Llc Snowplow and mount assembly
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US7021248B2 (en) 2002-09-06 2006-04-04 The Babcock & Wilcox Company Passive system for optimal NOx reduction via selective catalytic reduction with variable boiler load
EP1646440A4 (en) * 2003-05-22 2010-04-14 Doosan Babcock Energy Ltd METHOD AND DEVICE FOR ZONING INJECTION OF CHEMICALS INTO AN OVEN CONVEYING TRAIN FOR REDUCING CONTAMINATION FROM FLUE GASES
US20050084434A1 (en) * 2003-10-20 2005-04-21 Enviroserve Associates, L.L.C. Scrubbing systems and methods for coal fired combustion units
DE102004051477B4 (de) * 2004-10-22 2008-10-02 Alstom Technology Ltd. Verfahren zur Regulierung der Feststoffumlaufmenge eines zirkulierenden Wirbelschichtreaktorsystems
DE102005005796A1 (de) * 2005-02-09 2006-08-17 Applikations- Und Technikzentrum Für Energieverfahrens-, Umwelt- Und Strömungstechnik (Atz-Evus) Verfahren und Vorrichtung zur thermochemischen Umsetzung eines Brennstoffs
US7578265B2 (en) * 2006-05-09 2009-08-25 Babcock & Wilcox Power Generation Group, Inc. Multiple pass economizer and method for SCR temperature control
US7637233B2 (en) 2006-05-09 2009-12-29 Babcock & Wilcox Power Generation Group, Inc. Multiple pass economizer and method for SCR temperature control
US7527776B2 (en) * 2007-01-09 2009-05-05 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
US7943097B2 (en) * 2007-01-09 2011-05-17 Catalytic Solutions, Inc. Reactor system for reducing NOx emissions from boilers
US8802582B2 (en) * 2007-01-09 2014-08-12 Catalytic Solutions, Inc. High temperature ammonia SCR catalyst and method of using the catalyst
US7767175B2 (en) * 2007-01-09 2010-08-03 Catalytic Solutions, Inc. Ammonia SCR catalyst and method of using the catalyst
KR100794389B1 (ko) 2007-01-24 2008-01-15 한국에너지기술연구원 선택적비촉매환원법에서 질소산화물 저감을 위한 내부관통형 3중관 환원제 분사기
US8042497B2 (en) * 2007-04-12 2011-10-25 Babcock & Wilcox Power Generation Group, Inc. Steam generator arrangement
DE102007022678A1 (de) 2007-05-11 2008-11-13 Hydraulik-Ring Gmbh Abgasnachbehandlungseinheit auf Ammoniakbasis und Verfahren zur Reinigung stickoxidhaltiger Abgase von Verbrennungskraftmaschinen
US20090297993A1 (en) * 2008-05-30 2009-12-03 Foster Wheeler Energia Oy Method of and System For Generating Power By Oxyfuel Combustion
FI129360B (fi) 2009-04-15 2021-12-31 Andritz Oy Menetelmä savukaasupäästöjen vähentämiseksi ja kattila
US20110036279A1 (en) * 2009-08-12 2011-02-17 Jeffrey Shallcross NOx reduction control system for boilers
JP5399214B2 (ja) * 2009-11-18 2014-01-29 住友重機械工業株式会社 循環流動床炉及び循環流動床炉の制御方法
US8012746B2 (en) 2009-12-31 2011-09-06 Biogas & Electric, Llc NOx removal system for biogas engines at anaerobic digestion facilities
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Also Published As

Publication number Publication date
CZ297796A3 (en) 1997-03-12
DK0755299T3 (da) 2000-03-27
EP0755299B1 (en) 1999-09-01
EP0755299A1 (en) 1997-01-29
CA2186369A1 (en) 1995-10-19
PL316785A1 (en) 1997-02-17
US5911956A (en) 1999-06-15
US5465690A (en) 1995-11-14
CZ287910B6 (cs) 2001-03-14
ATE183942T1 (de) 1999-09-15
DE69511854D1 (de) 1999-10-07
CA2186369C (en) 2000-08-08
JPH09509474A (ja) 1997-09-22
HUT76752A (en) 1997-11-28
MX9604721A (es) 1998-05-31
HU9602805D0 (en) 1996-12-30
WO1995027554A1 (en) 1995-10-19
KR970702097A (ko) 1997-05-13
DE69511854T2 (de) 2000-02-17

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