ES2045903T3 - SYSTEM AND METHOD FOR CONTROLLING THE HEAT STEAM TEMPERATURE IN FLUIDIZED BED BOILERS. - Google Patents

SYSTEM AND METHOD FOR CONTROLLING THE HEAT STEAM TEMPERATURE IN FLUIDIZED BED BOILERS.

Info

Publication number
ES2045903T3
ES2045903T3 ES90901818T ES90901818T ES2045903T3 ES 2045903 T3 ES2045903 T3 ES 2045903T3 ES 90901818 T ES90901818 T ES 90901818T ES 90901818 T ES90901818 T ES 90901818T ES 2045903 T3 ES2045903 T3 ES 2045903T3
Authority
ES
Spain
Prior art keywords
stage
controlling
fluidized bed
steam temperature
steam
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
ES90901818T
Other languages
Spanish (es)
Inventor
Ponnusami K Gounder
Timo M Kauranen
Neil R Raskin
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom Corp
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 Ahlstrom Corp filed Critical Ahlstrom Corp
Application granted granted Critical
Publication of ES2045903T3 publication Critical patent/ES2045903T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D5/00—Devices using endothermic chemical reactions, e.g. using frigorific mixtures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbines having inter-stage steam heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Control Of Turbines (AREA)

Abstract

UN GENERADOR DE VAPOR QUE TIENE UN SISTEMA DE COMBUSTION DE FUNDACION FLUIDICADO QUE CONSTA DE UN COMBUSTOR DE FUNDACION FLUIDIFICADO Y POR LO MENOS UN SEPARADOR DE CALOR QUE INCLUYE UN SOBRECALENTADOR Y UN RECALENTADOR. UNA PRIMERA ETAPA DE RECALENTAMIENTO Y UNA SEGUNDA ETAPA DE RECALENTAMIENTO O ETAPA FINAL SE LLEVAN A CABO DE MANERA SECUENCIAL EN UN COMBUSTIBLE DE GAS. EL VAPOR FRIO PROCEDENTE DE UNA TURBINA SE DIVIDE EN UNA PRIMERA Y UNA SEGUNDA PARTES SELECTIVAS, SIENDO LA PRIMERA FASE DIRIGIDA A TRAVES DE LA PRIMERA ETAPA DE RECALENTAMIENTO Y DESPUES RECOMBINADA CON LA SEGUNDA PARTE DE VAPOR FRIO. LAS PRIMERAS Y SEGUNDA PARTES RECOMBINANTES DE VAPOR SON DIRIGIDAS A TRAVES DE LA SEGUNDA ETAPA DE RECALENTAMIENTO.A STEAM GENERATOR WHICH HAS A FLUIDIFIED FOUNDATION COMBUSTION SYSTEM CONSISTING OF A FLUIDIFIED FOUNDATION COMBUSTER AND AT LEAST A HEAT SEPARATOR INCLUDING AN OVERHEATER AND REHEATER. A FIRST REHEAT STAGE AND A SECOND REHEAT STAGE OR FINAL STAGE ARE CARRIED OUT SEQUENTIALLY IN A GAS FUEL. THE COLD STEAM FROM A TURBINE IS DIVIDED INTO A FIRST AND SECOND SELECTIVE PARTS, BEING THE FIRST PHASE DIRECTED THROUGH THE FIRST STAGE OF REHEATING AND THEN RECOMBINED WITH THE SECOND PART OF COLD STEAM. THE FIRST AND SECOND STEAM RECOMBINANT PARTS ARE DIRECTED THROUGH THE SECOND REHEAT STAGE.

ES90901818T 1989-01-24 1990-01-23 SYSTEM AND METHOD FOR CONTROLLING THE HEAT STEAM TEMPERATURE IN FLUIDIZED BED BOILERS. Expired - Lifetime ES2045903T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30162189A 1989-01-24 1989-01-24

Publications (1)

Publication Number Publication Date
ES2045903T3 true ES2045903T3 (en) 1994-01-16

Family

ID=23164149

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90901818T Expired - Lifetime ES2045903T3 (en) 1989-01-24 1990-01-23 SYSTEM AND METHOD FOR CONTROLLING THE HEAT STEAM TEMPERATURE IN FLUIDIZED BED BOILERS.

Country Status (15)

Country Link
EP (1) EP0455660B1 (en)
JP (1) JP2532750B2 (en)
KR (1) KR0147059B1 (en)
CN (1) CN1020951C (en)
AU (1) AU639437B2 (en)
CA (1) CA2045571C (en)
CZ (1) CZ284932B6 (en)
DD (1) DD291803A5 (en)
DE (1) DE69002758T2 (en)
ES (1) ES2045903T3 (en)
LT (1) LT3379B (en)
LV (1) LV11061B (en)
PL (1) PL166038B1 (en)
UA (1) UA24009C2 (en)
WO (1) WO1990008917A1 (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10039317A1 (en) * 2000-08-11 2002-04-11 Alstom Power Boiler Gmbh Steam generating plant
FI120658B (en) * 2005-05-04 2010-01-15 Metso Power Oy Intermediate Steam Heat Control Method, Heat Control System and Power Plant
CN101893232B (en) * 2010-06-24 2012-02-01 东南大学 Improved generalized predictive control method for reheat steam temperature of thermal power units
JP5898382B2 (en) * 2012-09-26 2016-04-06 上海伏波▲環▼保▲設備▼有限公司 Natural circulation indirect flue gas reheater
KR102051101B1 (en) * 2013-07-19 2019-12-02 한국전력공사 Variable heat exchanger of circulating fluid bed boiler
JP6317652B2 (en) 2014-09-12 2018-04-25 株式会社東芝 Plant control device and combined cycle power plant
CN105889899B (en) * 2014-12-16 2018-06-15 华北电力大学（保定） A kind of overheating steam temperature regulating system and method suitable for putting into operation under SCR underloads
CN104501425A (en) * 2014-12-19 2015-04-08 中国科学院电工研究所 Solar thermal power generation control circulating heat absorber with overheater start protecting function
CN106545833B (en) * 2016-10-28 2018-07-17 杭州红山热电有限公司 Boiler steam and water circuit
AU2017425082B2 (en) * 2017-07-27 2021-06-03 Sumitomo SHI FW Energia Oy A fluidized bed boiler plant and a method of preheating combustion gas in a fluidized bed boiler plant
KR102093302B1 (en) * 2018-07-19 2020-04-23 한국생산기술연구원 Sand falling type circulating fluidized bed boiler having a plurality of riser and its operation method
WO2020073830A1 (en) * 2018-10-10 2020-04-16 北京润能科技有限公司 Method for improving rankine cycle efficiency
CN113753237B (en) * 2021-09-21 2023-04-07 中国航空工业集团公司西安飞机设计研究所 Temperature control decoupling method for refrigeration assembly
CN119802553A (en) * 2025-03-12 2025-04-11 克雷登热能设备(浙江)有限公司 A saturated dual-purpose steam boiler and its temperature control method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151743A (en) * 1978-05-22 1979-11-29 Babcock Hitachi Kk Steam temperature controller
DE3125849A1 (en) * 1981-07-01 1983-01-20 Deutsche Babcock Anlagen Ag, 4200 Oberhausen STEAM GENERATOR WITH CIRCULATING ATMOSPHERIC OR PRESSURE-CHARGED FLUEL BURN FIRING AND METHOD FOR ITS REGULATION
JPS58164093A (en) * 1982-03-25 1983-09-28 Toshiba Corp Non-volatile memory
JPS59219603A (en) * 1983-05-27 1984-12-11 三菱重工業株式会社 Reheating boiler for factory
DE3625373A1 (en) 1986-07-26 1988-02-04 Steinmueller Gmbh L & C STEAM GENERATOR WITH CIRCULATING ATMOSPHERICAL OR PRESSURE-CHARGED FLUEL BURN FIRING, AND METHOD FOR ITS REGULATION
DE3625992A1 (en) * 1986-07-31 1988-02-04 Steinmueller Gmbh L & C METHOD FOR BURNING CARBON-CONTAINING MATERIALS IN A CIRCULATING FLUID BED, AND A FLUET BURNING PLANT FOR CARRYING OUT THE METHOD
DE3642396A1 (en) * 1986-12-11 1988-06-16 Siemens Ag STEAM GENERATOR SYSTEM WITH A CIRCULATING FLUID BED

Also Published As

Publication number Publication date
LT3379B (en) 1995-08-25
CA2045571C (en) 1995-09-12
UA24009C2 (en) 1998-08-31
CZ284932B6 (en) 1999-04-14
KR0147059B1 (en) 1998-08-17
JPH04503095A (en) 1992-06-04
EP0455660A1 (en) 1991-11-13
AU639437B2 (en) 1993-07-29
DE69002758D1 (en) 1993-09-16
LV11061B (en) 1996-06-20
KR910700434A (en) 1991-03-15
JP2532750B2 (en) 1996-09-11
CN1045168A (en) 1990-09-05
WO1990008917A1 (en) 1990-08-09
CS33090A3 (en) 1992-03-18
CA2045571A1 (en) 1990-07-25
PL166038B1 (en) 1995-03-31
LV11061A (en) 1996-02-20
DD291803A5 (en) 1991-07-11
AU4941990A (en) 1990-08-24
DE69002758T2 (en) 1993-12-16
LTIP842A (en) 1995-02-27
CN1020951C (en) 1993-05-26
EP0455660B1 (en) 1993-08-11

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