JP2009536312A - 循環式流動床ボイラー用の流動床熱交換器および流動床熱交換器を有する循環式流動床ボイラー - Google Patents
循環式流動床ボイラー用の流動床熱交換器および流動床熱交換器を有する循環式流動床ボイラー Download PDFInfo
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- JP2009536312A JP2009536312A JP2009508412A JP2009508412A JP2009536312A JP 2009536312 A JP2009536312 A JP 2009536312A JP 2009508412 A JP2009508412 A JP 2009508412A JP 2009508412 A JP2009508412 A JP 2009508412A JP 2009536312 A JP2009536312 A JP 2009536312A
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- fluidized bed
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- exchange chamber
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- 239000007787 solid Substances 0.000 claims abstract description 73
- 239000002245 particle Substances 0.000 claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 19
- 230000001174 ascending effect Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003303 reheating Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/0007—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed
- F22B31/0084—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed with recirculation of separated solids or with cooling of the bed particles outside the combustion bed
- F22B31/0092—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus with combustion in a fluidized bed with recirculation of separated solids or with cooling of the bed particles outside the combustion bed with a fluidized heat exchange bed and a fluidized combustion bed separated by a partition, the bed particles circulating around or through that partition
-
- 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
-
- 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
- F23C10/18—Details; Accessories
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
- F23C10/30—Control devices specially adapted for fluidised bed, combustion apparatus for controlling the level of the bed or the amount of material in the bed
- F23C10/32—Control devices specially adapted for fluidised bed, combustion apparatus for controlling the level of the bed or the amount of material in the bed by controlling the rate of recirculation of particles separated from the flue gases
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
本発明の別の目的は、特に、循環式流動床ボイラーの外部高温循環系内に配置される熱交換器、それも再加熱器を備えた高効率の循環式流動床万能貫流ボイラーに適用可能な熱交換器を提供することである。
本発明の更に別の目的は、既述のような熱交換器を備えた循環式流動床ボイラーを提供することである。
本発明による熱交換器の特徴は、該熱交換器が、循環式流動床ボイラーの炉と組み合わせて配置した第1と第2の熱交換室と、高温の固体を循環式流動床ボイラーの外部循環系内の粒子分離器から固体を流動化するための第1手段を備えた第1熱交換室内へ導入するための第1入り口通路と、固体を流動化する第2の手段を備えた第2熱交換室内へ固体を導入するための第2入口通路と、冷却された固体の第1部分を第1熱交換室から第2入口通路内へ移動させる第1排出手段と、冷却された固体を第2熱交換室から炉内へ移動させる第2排出手段と、炉の内部循環系から直接に第2熱交換室内へ高温の固体を導入する入口手段とを含むことである。
以下で、添付図面を見ながら本発明の説明を行う。
図1に示した本発明の一好適実施例によれば、下方熱交換室38の上部領域、好ましくは入口通路58は、炉12内部の固体循環系から直接に固体を熱交換室38内へ送入するための入口開口64を含む。これらの入口開口は、好ましくは、炉下方領域の斜面66に設けられており、その場合、高温固体は、ボイラーの負荷が小さい時にも開口64を通って熱交換室38内へ入り、また、その場合、炉12内の固体流動化速度は比較的低い。
以上、本発明を少数の構成で説明した。これらの構成は本発明の範囲を制限する意図のものではなく、本発明は、特許請求の範囲に記載された定義によってのみ制限されるものである。
Claims (7)
- 循環式流動床ボイラー(10)の熱交換器(30,68,84)であって、
循環式流動床ボイラーの炉(12)と接続配置された第1熱交換室(36,70,84)および第2熱交換室(38,78,88)と、
高温の固体を、循環式流動床ボイラー(10)の外部循環系の粒子分離器(16)から、固体を流動化するための第1手段(40,44,48)を備えた第1熱交換室(36,70,86)内へ導入する第1入口通路(18)と、
固体を流動化するための第2手段(42,46,50)を備えた第2熱交換室(38,78,88)内に固体を導入するための第2入口通路(58,96)と、
冷却された固体の第1部分を第1熱交換室(36,70,86)から第2入口通路(58,96)へ移動させるための第1排出手段(54,56,98)と、
冷却された固体を第2熱交換室(38,78,88)から炉(12)へ移動させる第2排出手段(61)とを含む前記熱交換器において、
高温固体を炉(12)の内部循環系から、直接、第2熱交換室(38,78,88)内に導入する入口手段(64,80)を含むことを特徴とする循環式流動床ボイラーの熱交換器。 - 前記熱交換器が、冷却された固体の第2部分を第1熱交換室(70,86)から、直接、炉(12)に移動させるための第3排出手段(72,74,76,90,92)を含むことを特徴とする請求項1に記載された循環式流動床ボイラーの熱交換器(30)。
- 前記第1排出手段(54,56,98)と前記第3排出手段(72,74,76,90,92)とが、冷却された固体の第1部分と第2部分の量を制御する制御装置(56,76,92,98)を含む請求項1に記載された循環式流動床ボイラーの熱交換器(30)。
- 前記第1熱交換室(36,70)が第2熱交換室(38,78)の上位に配置されることを特徴とする請求項1から請求項3までのいずれか1項に記載された循環式流動床ボイラーの熱交換器(30)。
- 前記第1熱交換室(36,70,86)が、ボイラー蒸気サイクルの最終過熱器を含み、前記第2熱交換室(38,78,88)が、ボイラー蒸気サイクルの最終再加熱器(48)を含むことを特徴とする請求項1から請求項4までのいずれか1項に記載された循環式流動床ボイラーの熱交換器(30)。
- 炉(12)と、外部高温循環系用の粒子分離器(16)と、外部高温循環系の戻し通路(18)に配置された熱交換器(30,68,84)とを含む循環式流動床ボイラー(10)において、
前記熱交換器(30)が請求項1から請求項5までのいずれか1項の記載によるものであることを特徴とする循環式流動床ボイラー(10)。 - 実用超臨界貫流ボイラーである循環式流動床ボイラー(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20065308A FI20065308L (fi) | 2006-05-10 | 2006-05-10 | Kiertopetikattilan leijupetilämmönvaihdin ja kiertopetikattilan, jossa on leijupetilämmönvaihdin |
FI20065308 | 2006-05-10 | ||
PCT/FI2007/050264 WO2007128883A2 (en) | 2006-05-10 | 2007-05-09 | A fluidized bed heat exchanger for a circulating fluidized bed boiler and a circulating fluidized bed boiler with a fluidized bed heat exchanger |
Publications (2)
Publication Number | Publication Date |
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JP2009536312A true JP2009536312A (ja) | 2009-10-08 |
JP4920081B2 JP4920081B2 (ja) | 2012-04-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2009508412A Active JP4920081B2 (ja) | 2006-05-10 | 2007-05-09 | 循環式流動床ボイラー用の流動床熱交換器および流動床熱交換器を有する循環式流動床ボイラー |
Country Status (12)
Country | Link |
---|---|
US (1) | US8807053B2 (ja) |
EP (1) | EP2049836B1 (ja) |
JP (1) | JP4920081B2 (ja) |
KR (1) | KR101118509B1 (ja) |
CN (1) | CN101438099B (ja) |
AU (1) | AU2007247089B2 (ja) |
FI (1) | FI20065308L (ja) |
PL (1) | PL2049836T3 (ja) |
RU (1) | RU2393386C1 (ja) |
TR (1) | TR201901887T4 (ja) |
WO (1) | WO2007128883A2 (ja) |
ZA (1) | ZA200808047B (ja) |
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JP2012507681A (ja) * | 2008-11-06 | 2012-03-29 | フォスター ホイーラー エナージア オサケ ユキチュア | 循環流動床ボイラ |
JP2014510249A (ja) * | 2011-02-24 | 2014-04-24 | フォスター ホイーラー エナージア オサケ ユキチュア | 高温固体流用の2つの外部熱交換器を有する循環流動床ボイラ |
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CN102840577B (zh) * | 2011-06-23 | 2015-03-25 | 中国科学院工程热物理研究所 | 带紧凑式外置双流化床换热器的循环流化床锅炉 |
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2006
- 2006-05-10 FI FI20065308A patent/FI20065308L/fi not_active Application Discontinuation
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2007
- 2007-05-09 AU AU2007247089A patent/AU2007247089B2/en active Active
- 2007-05-09 WO PCT/FI2007/050264 patent/WO2007128883A2/en active Application Filing
- 2007-05-09 TR TR2019/01887T patent/TR201901887T4/tr unknown
- 2007-05-09 JP JP2009508412A patent/JP4920081B2/ja active Active
- 2007-05-09 KR KR1020087027353A patent/KR101118509B1/ko not_active IP Right Cessation
- 2007-05-09 PL PL07730751T patent/PL2049836T3/pl unknown
- 2007-05-09 EP EP07730751.0A patent/EP2049836B1/en active Active
- 2007-05-09 US US12/299,982 patent/US8807053B2/en active Active
- 2007-05-09 CN CN2007800167205A patent/CN101438099B/zh active Active
- 2007-05-09 RU RU2008148570/06A patent/RU2393386C1/ru active
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JPH07301401A (ja) * | 1994-04-28 | 1995-11-14 | Foster Wheeler Energy Corp | 一体的再循環熱交換器を備える加圧流動床燃焼装置及びその操作方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012507681A (ja) * | 2008-11-06 | 2012-03-29 | フォスター ホイーラー エナージア オサケ ユキチュア | 循環流動床ボイラ |
JP2014510249A (ja) * | 2011-02-24 | 2014-04-24 | フォスター ホイーラー エナージア オサケ ユキチュア | 高温固体流用の2つの外部熱交換器を有する循環流動床ボイラ |
KR101485477B1 (ko) | 2011-02-24 | 2015-01-22 | 포스터 휠러 에너지아 오와이 | 고온의 고형물 유동을 위한 두 개의 외부 열 교환기를 갖는 순환 유동층 보일러 |
US9423122B2 (en) | 2011-02-24 | 2016-08-23 | Amec Foster Wheeler Energia Oy | Circulating fluidized bed boiler having two external heat exchangers for hot solids flow |
Also Published As
Publication number | Publication date |
---|---|
CN101438099B (zh) | 2010-12-22 |
PL2049836T3 (pl) | 2019-05-31 |
WO2007128883A2 (en) | 2007-11-15 |
US8807053B2 (en) | 2014-08-19 |
FI20065308L (fi) | 2007-11-11 |
EP2049836B1 (en) | 2018-11-21 |
AU2007247089B2 (en) | 2010-09-09 |
EP2049836A2 (en) | 2009-04-22 |
AU2007247089A1 (en) | 2007-11-15 |
FI20065308A0 (fi) | 2006-05-10 |
RU2393386C1 (ru) | 2010-06-27 |
KR101118509B1 (ko) | 2012-03-12 |
CN101438099A (zh) | 2009-05-20 |
US20090293818A1 (en) | 2009-12-03 |
TR201901887T4 (tr) | 2019-03-21 |
JP4920081B2 (ja) | 2012-04-18 |
WO2007128883A3 (en) | 2008-07-10 |
KR20090018047A (ko) | 2009-02-19 |
ZA200808047B (en) | 2009-06-24 |
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