JP5010425B2 - 再熱ボイラ及び再熱ボイラのガス温度制御方法 - Google Patents
再熱ボイラ及び再熱ボイラのガス温度制御方法 Download PDFInfo
- Publication number
- JP5010425B2 JP5010425B2 JP2007270225A JP2007270225A JP5010425B2 JP 5010425 B2 JP5010425 B2 JP 5010425B2 JP 2007270225 A JP2007270225 A JP 2007270225A JP 2007270225 A JP2007270225 A JP 2007270225A JP 5010425 B2 JP5010425 B2 JP 5010425B2
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- Prior art keywords
- reheat
- furnace
- combustion air
- boiler
- combustion
- 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 - Fee Related
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- 238000000034 method Methods 0.000 title claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 84
- 238000003303 reheating Methods 0.000 claims description 68
- 239000000567 combustion gas Substances 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 25
- 238000010586 diagram Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
Images
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
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/02—Disposition of air supply not passing through burner
-
- 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
- F01K15/00—Adaptations of plants for special use
- F01K15/02—Adaptations of plants for special use for driving vehicles, e.g. locomotives
- F01K15/04—Adaptations of plants for special use for driving vehicles, e.g. locomotives the vehicles being waterborne vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/002—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically involving a single upper drum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
- F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
- F22B21/04—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely
- F22B21/08—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends
- F22B21/081—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving a single upper drum and a single lower drum, e.g. the drums being arranged transversely the water tubes being arranged sectionally in groups or in banks, e.g. bent over at their ends involving a combustion chamber, placed at the side and built-up from water tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
- F22G7/12—Steam superheaters characterised by location, arrangement, or disposition in flues
-
- 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
- F23C6/042—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with fuel supply in stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
- F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air above the fire
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Description
図6中、111は水ドラム、112は蒸気ドラム、113,114はヘッダー、115はウォールチューブを示している。
本実施例に係る再熱ボイラは、図6に示すような従来の再熱ボイラの構成と同様であり、再熱炉に空気供給部を設けたものであるため、同一部材には同一の符号を付して重複した説明は省略する。
図1−1は、本発明の実施例1に係る再熱ボイラの再熱炉と再熱器の構成を簡略に示す概略図であり、図2のI−I断面図である。図1−2は、図1−1中の再熱炉の鉛直方向と直交する方向から見た断面図であり、図2は、本発明の実施例1に係る再熱ボイラの構成を簡略に示す概略図である。
また、図1−1及び図1−2中、符号Xが再熱炉の前壁側であり、符号Yが再熱炉の後壁側である。
また、本発明において、燃焼用空気11のうち、再熱バーナ107に供給される燃焼用空気を燃焼用空気11aとし、燃焼用空気11のうち、再熱バーナ107に供給された残りであって、燃焼用空気供給部12に供給される燃焼用空気を燃焼用空気11bという。
図4は、本発明の実施例2に係る再熱ボイラの再熱炉と再熱器の部分のみの構成を簡略に示す図である。
本実施例に係る再熱ボイラは、実施例1に係る再熱ボイラの構成と同様であるため、同一部材には同一の符号を付して重複した説明は省略する。
図4に示すように、本実施例に係る再熱ボイラ10Bは、再熱炉108の再熱バーナ107の対抗位置に再熱炉108の高さ方向に位置をずらした三段の空気供給部12−1〜12−3を設けたものである。
11、11b−1〜11b−3 燃焼用空気
12、12−1〜12−3 燃焼用空気供給部
101 バーナ
102 火炉
103 フロントバンクチューブ
104 過熱器(SH)
105 蒸発管群(リアバンクチューブ)
106 主ボイラ
107 再熱バーナ
108 再熱炉
109 再熱器
110 ガス出口
111 水ドラム
112 蒸気ドラム
113、114 ヘッダー
115 ウォールチューブ
Claims (4)
- バーナの燃焼で発生した燃焼ガスが、火炉から過熱器、蒸発管群を通過して流れるように構成した主ボイラと、前記蒸発管群の後流側に再熱バーナを備えた再熱炉と、該再熱炉の上部側に位置する再熱器と、を有する再熱ボイラであって、
前記再熱バーナから燃焼用空気の一部である第1燃焼用空気と燃焼ガスが噴出され、
前記再熱炉内で前記再熱バーナと対向する位置に前記燃焼用空気の残りである第2燃焼用空気を供給する燃焼用空気供給部を有し、
前記第2燃焼用空気は前記燃焼用空気に対して50%以下の割合で投入することを特徴とする再熱ボイラ。 - 請求項1において、
前記燃焼用空気供給部が、前記再熱炉内の高さ方向に少なくとも二段以上設けられていることを特徴とする再熱ボイラ。 - 請求項1又は2において、
燃焼用空気供給部ごとに異なる量の前記第2燃焼用空気を供給することを特徴とする再熱ボイラ。 - 請求項1乃至3の何れか一つの再熱ボイラのガス温度制御方法であって、
前記再熱バーナと対向する位置から前記第2燃焼用空気を前記再熱炉内に供給し、前記再熱炉の出口側での燃焼ガスのガス温度のアンバランスを低減することを特徴とする再熱ボイラのガス温度制御方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007270225A JP5010425B2 (ja) | 2007-10-17 | 2007-10-17 | 再熱ボイラ及び再熱ボイラのガス温度制御方法 |
PCT/JP2008/060470 WO2009050917A1 (ja) | 2007-10-17 | 2008-06-06 | 再熱ボイラ及び再熱ボイラのガス温度制御方法 |
US12/682,354 US20100236501A1 (en) | 2007-10-17 | 2008-06-06 | Reheat boiler and gas temperature controlling method of reheat boiler |
DK08765283.0T DK2206952T3 (en) | 2007-10-17 | 2008-06-06 | Reheat boiler and the method of controlling the temperature of the gas in a boiler genopvarmelig |
EP08765283.0A EP2206952B1 (en) | 2007-10-17 | 2008-06-06 | Reheat boiler and gas temperature control method of reheat boiler |
CN200880111406XA CN101821550B (zh) | 2007-10-17 | 2008-06-06 | 再热锅炉及再热锅炉的气体温度控制方法 |
KR1020107008395A KR101191496B1 (ko) | 2007-10-17 | 2008-06-06 | 재열 보일러 및 재열 보일러의 가스 온도 제어 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007270225A JP5010425B2 (ja) | 2007-10-17 | 2007-10-17 | 再熱ボイラ及び再熱ボイラのガス温度制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009097802A JP2009097802A (ja) | 2009-05-07 |
JP5010425B2 true JP5010425B2 (ja) | 2012-08-29 |
Family
ID=40567200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007270225A Expired - Fee Related JP5010425B2 (ja) | 2007-10-17 | 2007-10-17 | 再熱ボイラ及び再熱ボイラのガス温度制御方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20100236501A1 (ja) |
EP (1) | EP2206952B1 (ja) |
JP (1) | JP5010425B2 (ja) |
KR (1) | KR101191496B1 (ja) |
CN (1) | CN101821550B (ja) |
DK (1) | DK2206952T3 (ja) |
WO (1) | WO2009050917A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5693280B2 (ja) * | 2011-02-14 | 2015-04-01 | 三菱重工業株式会社 | 舶用推進プラント |
JP5916777B2 (ja) * | 2014-02-14 | 2016-05-11 | 三菱重工業株式会社 | 舶用ボイラおよび舶用ボイラの運転方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3956898A (en) * | 1974-12-20 | 1976-05-18 | Combustion Engineering, Inc. | Marine vapor generator having low temperature reheater |
US3948223A (en) * | 1975-01-02 | 1976-04-06 | Foster Wheeler Energy Corporation | Serially fired steam generator |
JPS54103906A (en) * | 1978-02-02 | 1979-08-15 | Mitsubishi Heavy Ind Ltd | Steam temperature controller for marine reheat boiler |
JPS63172806A (ja) * | 1987-01-09 | 1988-07-16 | Agency Of Ind Science & Technol | 二段燃焼炉 |
JPH05230785A (ja) * | 1992-02-19 | 1993-09-07 | Babcock Hitachi Kk | 回収ボイラおよびその燃焼方法 |
JP2002243106A (ja) | 2001-02-21 | 2002-08-28 | Mitsubishi Heavy Ind Ltd | ボイラ |
US7516620B2 (en) * | 2005-03-01 | 2009-04-14 | Jupiter Oxygen Corporation | Module-based oxy-fuel boiler |
US7475646B2 (en) * | 2005-11-30 | 2009-01-13 | General Electric Company | System and method for decreasing a rate of slag formation at predetermined locations in a boiler system |
JP2009097801A (ja) * | 2007-10-17 | 2009-05-07 | Mitsubishi Heavy Ind Ltd | ボイラ及びボイラの蒸気温度調整方法 |
JP5022204B2 (ja) * | 2007-12-17 | 2012-09-12 | 三菱重工業株式会社 | 舶用ボイラ構造 |
JP5148426B2 (ja) * | 2008-09-17 | 2013-02-20 | 三菱重工業株式会社 | 再熱ボイラ |
-
2007
- 2007-10-17 JP JP2007270225A patent/JP5010425B2/ja not_active Expired - Fee Related
-
2008
- 2008-06-06 KR KR1020107008395A patent/KR101191496B1/ko active IP Right Grant
- 2008-06-06 WO PCT/JP2008/060470 patent/WO2009050917A1/ja active Application Filing
- 2008-06-06 US US12/682,354 patent/US20100236501A1/en not_active Abandoned
- 2008-06-06 CN CN200880111406XA patent/CN101821550B/zh active Active
- 2008-06-06 EP EP08765283.0A patent/EP2206952B1/en not_active Not-in-force
- 2008-06-06 DK DK08765283.0T patent/DK2206952T3/en active
Also Published As
Publication number | Publication date |
---|---|
KR101191496B1 (ko) | 2012-10-15 |
US20100236501A1 (en) | 2010-09-23 |
CN101821550A (zh) | 2010-09-01 |
EP2206952A4 (en) | 2014-06-11 |
DK2206952T3 (en) | 2016-06-06 |
JP2009097802A (ja) | 2009-05-07 |
EP2206952B1 (en) | 2016-02-24 |
EP2206952A1 (en) | 2010-07-14 |
KR20100058644A (ko) | 2010-06-03 |
WO2009050917A1 (ja) | 2009-04-23 |
CN101821550B (zh) | 2012-11-14 |
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