JP2009030599A - 内部漏洩流を冷却に用いるタービンシステム及び方法 - Google Patents
内部漏洩流を冷却に用いるタービンシステム及び方法 Download PDFInfo
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- JP2009030599A JP2009030599A JP2008183283A JP2008183283A JP2009030599A JP 2009030599 A JP2009030599 A JP 2009030599A JP 2008183283 A JP2008183283 A JP 2008183283A JP 2008183283 A JP2008183283 A JP 2008183283A JP 2009030599 A JP2009030599 A JP 2009030599A
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- Prior art keywords
- flow
- line
- section
- cooling system
- valve
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 6
- 238000012856 packing Methods 0.000 description 12
- 239000011888 foil Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 210000004894 snout Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
-
- 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
- F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
- F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/31—Application in turbines in steam turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
- F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/602—Drainage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/602—Drainage
- F05D2260/6022—Drainage of leakage having past a seal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【解決手段】第1のセクション(110)は、第1のセクション(110)から第1の温度を有する第1の流れを分岐する第1のライン(170)と、第1のセクション(110)から第1の温度よりも低い第2の温度を有する第2の流れを分岐する第2のライン(190)と、第1の流れと第2の流れの合体流を第2のセクション(120)に導く合体ライン(210)とを含むことができる。
【選択図】 図1
Description
110 高圧(「HP」)セクション
120 中圧(「IP」)セクション
130 シャフト
140 ダイヤフラムパッキン
150 低温再熱ライン
160 IP冷却システム
170 第1のライン
180 第1の弁
190 第2のライン
200 第2の弁
210 合体ライン
220 合体ライン弁
230 流れオリフィス
Claims (10)
- 第1のセクション(110)と第2のセクション(120)とを備えるタービン(100)用の冷却システム(160)であって、
第1のセクション(110)から第1の温度を有する第1の流れを分岐する第1のライン(170)と、
第1のセクション(110)から第1の温度よりも低い第2の温度を有する第2の流れを分岐する第2のライン(190)と、
第1の流れと第2の流れの合体流を第2のセクション(120)に導く合体ライン(210)と
を備える冷却システム(160)。 - 第1のライン(170)が、第1のセクション内への逆流を防止する第1の弁(180)を備える、請求項1記載の冷却システム(160)。
- 第2のライン(190)が絞り弁(200)を備える、請求項1記載の冷却システム(160)。
- 前記絞り弁(200)が、第2の流れが所定の温度を超えたときに開き始める、請求項3記載の冷却システム(160)。
- 前記絞り弁(200)が、そこを通過する可変流量を含む、請求項3記載の冷却システム(160)。
- 前記合体ライン(210)が合体ライン弁(220)を備える、請求項1記載の冷却システム(160)。
- 前記合体ライン弁(220)が、タービン(100)が所定の負荷を超えたときに開く、請求項6記載の冷却システム(160)。
- 前記合体ライン弁(220)が、第2のセクション(120)が所定の温度を超えたときに開く、請求項6記載の冷却システム(160)。
- 前記合体ライン弁(220)が油圧弁を含む、請求項6記載の冷却システム(160)。
- タービン(100)の高圧タービンセクション(110)からの漏洩流で中圧タービンセクション(120)を冷却する方法であって、
高圧タービンセクション(110)から漏洩流を導き、
高圧タービンセクション(110)からの再熱流と漏洩流を合流させて合体流を形成し、
中圧タービンセクション(120)に合体流を導く
ことを含んでなる方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/782,169 | 2007-07-24 | ||
US11/782,169 US7658073B2 (en) | 2007-07-24 | 2007-07-24 | Turbine systems and methods for using internal leakage flow for cooling |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009030599A true JP2009030599A (ja) | 2009-02-12 |
JP5461798B2 JP5461798B2 (ja) | 2014-04-02 |
Family
ID=40157490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008183283A Active JP5461798B2 (ja) | 2007-07-24 | 2008-07-15 | 内部漏洩流を冷却に用いるタービンシステム及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7658073B2 (ja) |
JP (1) | JP5461798B2 (ja) |
DE (1) | DE102008002935B4 (ja) |
FR (1) | FR2919336B1 (ja) |
RU (1) | RU2498098C2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9074480B2 (en) * | 2009-02-25 | 2015-07-07 | Mitsubishi Hitachi Power Systems, Ltd. | Method and device for cooling steam turbine generating facility |
US8419344B2 (en) * | 2009-08-17 | 2013-04-16 | General Electric Company | System and method for measuring efficiency and leakage in a steam turbine |
US8342009B2 (en) | 2011-05-10 | 2013-01-01 | General Electric Company | Method for determining steampath efficiency of a steam turbine section with internal leakage |
US9194758B2 (en) * | 2011-06-20 | 2015-11-24 | General Electric Company | Virtual sensor systems and methods for estimation of steam turbine sectional efficiencies |
US9297277B2 (en) * | 2011-09-30 | 2016-03-29 | General Electric Company | Power plant |
PL2599964T3 (pl) * | 2011-12-02 | 2016-10-31 | Układ turbiny parowej trójczłonowej turbiny parowej | |
US20140248117A1 (en) * | 2013-03-01 | 2014-09-04 | General Electric Company | External midspan packing steam supply |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54153904A (en) * | 1978-05-26 | 1979-12-04 | Hitachi Ltd | Cooling mechanism for rotor of reheated steam turbine plant |
JPS6060207A (ja) * | 1983-09-13 | 1985-04-06 | Toshiba Corp | 蒸気タ−ビンプラント |
JPH04103807A (ja) * | 1990-08-23 | 1992-04-06 | Toshiba Corp | 蒸気タービンシステム |
JPH0932512A (ja) * | 1995-07-20 | 1997-02-04 | Hitachi Ltd | 蒸気タービングランドシールの蒸気供給装置 |
JPH0941905A (ja) * | 1995-08-01 | 1997-02-10 | Mitsubishi Heavy Ind Ltd | グランド蒸気処理装置 |
JPH10103008A (ja) * | 1996-10-01 | 1998-04-21 | Fuji Electric Co Ltd | 蒸気タービンの静翼ヒーティング方法 |
JP2004211626A (ja) * | 2003-01-07 | 2004-07-29 | Toshiba Corp | 蒸気タービン設備およびその運転方法 |
Family Cites Families (13)
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US1889307A (en) * | 1927-11-07 | 1932-11-29 | Westinghouse Electric & Mfg Co | System of reheating in a power plant |
US2552239A (en) | 1946-10-29 | 1951-05-08 | Gen Electric | Turbine rotor cooling arrangement |
CH579234A5 (ja) * | 1974-06-06 | 1976-08-31 | Sulzer Ag | |
JPS5675902A (en) | 1979-11-26 | 1981-06-23 | Hitachi Ltd | Rotor cooling system for steam turbine |
JPS6193208A (ja) * | 1984-10-15 | 1986-05-12 | Hitachi Ltd | タ−ビンバイパス系統 |
NL8701889A (nl) * | 1987-08-12 | 1989-03-01 | Philips Nv | Volume selektieve spektroscopie door middel van gerefokusseerde echo's. |
US5526386A (en) * | 1994-05-25 | 1996-06-11 | Battelle Memorial Institute | Method and apparatus for steam mixing a nuclear fueled electricity generation system |
JPH0932506A (ja) | 1995-07-19 | 1997-02-04 | Mitsubishi Heavy Ind Ltd | 蒸気タービンの車室冷却装置 |
US6443690B1 (en) * | 1999-05-05 | 2002-09-03 | Siemens Westinghouse Power Corporation | Steam cooling system for balance piston of a steam turbine and associated methods |
RU2224905C2 (ru) * | 2001-07-27 | 2004-02-27 | Открытое акционерное общество "Авиадвигатель" | Двухконтурный газотурбинный двигатель |
US6412270B1 (en) | 2001-09-12 | 2002-07-02 | General Electric Company | Apparatus and methods for flowing a cooling or purge medium in a turbine downstream of a turbine seal |
US6918252B2 (en) * | 2002-02-27 | 2005-07-19 | Ormat Technologies Inc. | Method of and apparatus for cooling a seal for machinery |
US7003956B2 (en) * | 2003-04-30 | 2006-02-28 | Kabushiki Kaisha Toshiba | Steam turbine, steam turbine plant and method of operating a steam turbine in a steam turbine plant |
-
2007
- 2007-07-24 US US11/782,169 patent/US7658073B2/en active Active
-
2008
- 2008-07-04 FR FR0854566A patent/FR2919336B1/fr not_active Expired - Fee Related
- 2008-07-10 DE DE102008002935.1A patent/DE102008002935B4/de active Active
- 2008-07-15 JP JP2008183283A patent/JP5461798B2/ja active Active
- 2008-07-23 RU RU2008130528/06A patent/RU2498098C2/ru active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54153904A (en) * | 1978-05-26 | 1979-12-04 | Hitachi Ltd | Cooling mechanism for rotor of reheated steam turbine plant |
JPS6060207A (ja) * | 1983-09-13 | 1985-04-06 | Toshiba Corp | 蒸気タ−ビンプラント |
JPH04103807A (ja) * | 1990-08-23 | 1992-04-06 | Toshiba Corp | 蒸気タービンシステム |
JPH0932512A (ja) * | 1995-07-20 | 1997-02-04 | Hitachi Ltd | 蒸気タービングランドシールの蒸気供給装置 |
JPH0941905A (ja) * | 1995-08-01 | 1997-02-10 | Mitsubishi Heavy Ind Ltd | グランド蒸気処理装置 |
JPH10103008A (ja) * | 1996-10-01 | 1998-04-21 | Fuji Electric Co Ltd | 蒸気タービンの静翼ヒーティング方法 |
JP2004211626A (ja) * | 2003-01-07 | 2004-07-29 | Toshiba Corp | 蒸気タービン設備およびその運転方法 |
Also Published As
Publication number | Publication date |
---|---|
RU2008130528A (ru) | 2010-01-27 |
FR2919336A1 (fr) | 2009-01-30 |
FR2919336B1 (fr) | 2017-09-15 |
RU2498098C2 (ru) | 2013-11-10 |
JP5461798B2 (ja) | 2014-04-02 |
US7658073B2 (en) | 2010-02-09 |
DE102008002935A1 (de) | 2009-01-29 |
DE102008002935B4 (de) | 2023-07-20 |
US20090025389A1 (en) | 2009-01-29 |
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