JP2014510249A - 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 - Google Patents
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 Download PDFInfo
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- 239000007787 solid Substances 0.000 title claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 230000000630 rising effect Effects 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000008400 supply water Substances 0.000 claims description 2
- 239000008236 heating water Substances 0.000 claims 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 15
- 239000003546 flue gas Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 13
- 238000005243 fluidization Methods 0.000 description 9
- 230000001174 ascending effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B27/00—Instantaneous or flash steam boilers
- F22B27/14—Instantaneous or flash steam boilers built-up from heat-exchange elements arranged within a confined chamber having heat-retaining walls
-
- 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
- F22B31/0015—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 for boilers of the water tube type
- F22B31/003—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 for boilers of the water tube type with tubes surrounding the bed or with water tube wall partitions
-
- 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
- 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
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
-
- 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
- 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
- F23C10/24—Devices for removal of material from the bed
- F23C10/26—Devices for removal of material from the bed combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts
-
- 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
- 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
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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
・より小型の下側熱交換室。
・下側熱交換室が軽量な構造を有する。
・下側熱交換室を炉壁で支持するのが容易である。
・下側熱交換室が、他の設備のための空間を残す。
・上側流動床熱交換室から下側流動床熱交換室への戻りチャネルがない。
・簡潔な熱交換器配置構成の構造。
・分離器及び上側熱交換室が、炉により近い。
・CFBボイラを運転するために必要な設備を下側流動床熱交換室の側方に位置付けることが可能。
・上側及び下側熱交換室に流入する固体の温度が異なる。
・下側熱交換室に接続された送風機を使用する必要がない。
・上側熱交換室から排出された固体に燃料を混合できる。
・炉の床領域において下側熱交換室から排出された固体及び燃料を混合できる。
・上側及び下側熱交換室を別々に支持し、熱交換室の重量を固体分離器と炉の下側領域の壁部とに分散できる。
・固体が1つの熱交換室のみを通過するため、上側熱交換室からの固体を高温で炉の下部に戻すことができる。
Claims (9)
- 水/蒸気管パネルから形成され内部に供給された水を蒸発させる壁部を有し、急速流動床において固体炭素質燃料を燃焼するための炉(12)と、
前記炉(12)の側壁に隣接して配置された、前記炉(12)の上部から出口チャネル(14)を介して排出された排気ガスに混入する固体を分離するための固体分離器(16)と、
前記分離された固体の少なくとも一部を第1流動床熱交換室(72)に運ぶためのガスシール(52)であって、前記第1流動床熱交換室(72)が該ガスシール(52)の下流に配置され内部熱交換面(76)を有するものであるガスシール(52)と、
下端が前記第1流動床熱交換室(72)の底部に接続され、上端が前記第1流動床熱交換室(72)から前記固体を排出し冷却された前記固体を前記炉(12)の下部に運ぶための第1戻りチャネル(86)の上端に接続された第1上昇チャネル(84)と、
前記炉(12)の下方側壁に隣接して配置され、内部熱交換面(96)を有する第2流動床熱交換室(74)であって、該第2流動床熱交換室(74)と前記炉(12)との間に、前記炉(12)から該第2熱交換室(74)に前記高温固体を導入するための入口チャネル(90)が配置され、第2上昇チャネル(104)の下端が該第2流動床熱交換室(74)の底部に接続され上端が前記炉(12)の前記下部に前記固体を排出するように接続された、第2流動床熱交換室(74)とを備え、
前記第1流動床熱交換室(72)が前記第2流動床熱交換室(74)の上方に位置付けられた、循環流動床ボイラ(10)において、
前記第1熱交換室(72)が、2つの第1上昇チャネル(84)と、2つの第1戻りチャネル(86)とを有し、該第1上昇チャネル(84)及び第1戻りチャネル(86)が、前記第2熱交換室(74)が前記2つの第1戻りチャネル(86)の下端の間に位置するように前記第1熱交換室(72)の側面に配置されていることを特徴とする循環流動床ボイラ(10)。 - 前記第1戻りチャネル(86)と前記第2流動床熱交換室(74)との間に、燃料供給口、床材料供給口、二次ガス供給口、及び始動バーナのうち1つ以上を位置付けることを特徴とする、請求項1に記載の循環流動床ボイラ。
- 前記第1戻りチャネル(86)には、前記炉(12)の前記下部に導入される燃料を受容するための手段(88)が設けられていることを特徴とする、請求項1又は2に記載の循環流動床ボイラ。
- 前記第1及び第2流動床熱交換室(72,74)が、水管パネルから形成される壁部を有することを特徴とする、請求項1〜3のいずれか一項に記載の循環流動床ボイラ。
- 前記第1戻りチャネル(86)が、水管パネルから形成される壁部を有することを特徴とする、請求項4に記載の循環流動床ボイラ。
- 前記第1流動床熱交換室(72)、前記第2流動床熱交換室(74)、及び前記第1戻りチャネル(86)のうち1つ以上の前記壁部が、前記炉(12)の前記水/蒸気管パネルに導入される水を加熱するために使用されることを特徴とする、請求項4又は5に記載の循環流動床ボイラ。
- 前記炉(12)の前記水/蒸気管パネルへの供給水経路が、供給水ポンプ〜節炭器〜任意の支持管〜前記第2流動床熱交換室(74)の前記壁部〜前記第1戻りチャネル(86)〜前記第1流動床熱交換室(72)の前記壁部〜前記炉(12)の前記水/蒸気管パネルであることを特徴とする、請求項6に記載の循環流動床ボイラ。
- 前記炉(12)の前記水/蒸気管パネルへの供給水経路が、供給水ポンプ〜節炭器〜任意の支持管〜前記第2流動床熱交換室(74)の前記壁部〜前記炉(12)の前記水/蒸気管パネルであることを特徴とする、請求項6に記載の循環流動床ボイラ。
- 前記炉(12)の前記水/蒸気管パネルへの供給水経路が、供給水ポンプ〜節炭器〜任意の支持管〜前記第2流動床熱交換室(74)の前記壁部〜前記第1戻りチャネル(86)〜前記炉(12)の前記水/蒸気管パネルであることを特徴とする、請求項6に記載の循環流動床ボイラ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FI20115181 | 2011-02-24 | ||
FI20115181A FI123843B (fi) | 2011-02-24 | 2011-02-24 | Kiertoleijupetireaktori |
PCT/FI2012/050172 WO2012113985A1 (en) | 2011-02-24 | 2012-02-22 | Circulating fluidized bed boiler having two external heat exchanger for hot solids flow |
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JP2014510249A true JP2014510249A (ja) | 2014-04-24 |
JP5739021B2 JP5739021B2 (ja) | 2015-06-24 |
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JP2013552998A Active JP5739021B2 (ja) | 2011-02-24 | 2012-02-22 | 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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US (1) | US9423122B2 (ja) |
EP (1) | EP2678607B1 (ja) |
JP (1) | JP5739021B2 (ja) |
KR (1) | KR101485477B1 (ja) |
CN (1) | CN103562635B (ja) |
FI (1) | FI123843B (ja) |
PL (1) | PL2678607T3 (ja) |
RU (1) | RU2543108C1 (ja) |
WO (1) | WO2012113985A1 (ja) |
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US5275788A (en) * | 1988-11-11 | 1994-01-04 | Peter Stoholm | Circulating fluidized bed reactor |
US4951612A (en) * | 1989-05-25 | 1990-08-28 | Foster Wheeler Energy Corporation | Circulating fluidized bed reactor utilizing integral curved arm separators |
SU1781509A1 (ru) * | 1990-04-19 | 1992-12-15 | Proizv Ob Belgorodskij Z Energ | Koteл |
US5474034A (en) * | 1993-10-08 | 1995-12-12 | Pyropower Corporation | Supercritical steam pressurized circulating fluidized bed boiler |
US5463968A (en) * | 1994-08-25 | 1995-11-07 | Foster Wheeler Energy Corporation | Fluidized bed combustion system and method having a multicompartment variable duty recycle heat exchanger |
JP2000074346A (ja) | 1998-09-01 | 2000-03-14 | Ishikawajima Harima Heavy Ind Co Ltd | 循環流動層型廃熱ボイラ |
FI107758B (fi) * | 1999-11-10 | 2001-09-28 | Foster Wheeler Energia Oy | Kiertoleijureaktori |
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- 2012-02-22 RU RU2013143137/06A patent/RU2543108C1/ru active
- 2012-02-22 CN CN201280010249.XA patent/CN103562635B/zh active Active
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JPH09243019A (ja) * | 1996-03-05 | 1997-09-16 | Mitsubishi Heavy Ind Ltd | 循環式流動層ボイラ装置 |
JP2009536312A (ja) * | 2006-05-10 | 2009-10-08 | 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 |
WO2010052372A1 (en) * | 2008-11-06 | 2010-05-14 | Foster Wheeler Energia Oy | A circulating fluidized bed boiler |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105627300A (zh) * | 2016-02-05 | 2016-06-01 | 广东省特种设备检测研究院 | 节能环保循环流化床系统 |
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RU2013143137A (ru) | 2015-03-27 |
FI20115181A (fi) | 2012-08-25 |
EP2678607B1 (en) | 2015-04-01 |
US20130284120A1 (en) | 2013-10-31 |
CN103562635B (zh) | 2015-11-25 |
WO2012113985A1 (en) | 2012-08-30 |
US9423122B2 (en) | 2016-08-23 |
CN103562635A (zh) | 2014-02-05 |
EP2678607A1 (en) | 2014-01-01 |
RU2543108C1 (ru) | 2015-02-27 |
FI20115181A0 (fi) | 2011-02-24 |
KR20130096317A (ko) | 2013-08-29 |
FI123843B (fi) | 2013-11-15 |
PL2678607T3 (pl) | 2015-08-31 |
KR101485477B1 (ko) | 2015-01-22 |
JP5739021B2 (ja) | 2015-06-24 |
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