CN101109297A - 汽轮机、密封装置及它们的控制方法 - Google Patents
汽轮机、密封装置及它们的控制方法 Download PDFInfo
- Publication number
- CN101109297A CN101109297A CN200710136171.7A CN200710136171A CN101109297A CN 101109297 A CN101109297 A CN 101109297A CN 200710136171 A CN200710136171 A CN 200710136171A CN 101109297 A CN101109297 A CN 101109297A
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- mentioned
- rotor
- heating
- seal
- lip part
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 15
- 238000001816 cooling Methods 0.000 claims abstract description 106
- 238000010438 heat treatment Methods 0.000 claims abstract description 92
- 238000007789 sealing Methods 0.000 claims description 46
- 230000007246 mechanism Effects 0.000 claims description 45
- 230000007935 neutral effect Effects 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 13
- 238000005516 engineering process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000004904 shortening Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
- F01D25/14—Casings modified therefor
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
-
- 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
-
- 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
- F05D2260/80—Diagnostics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006197803 | 2006-07-20 | ||
JP2006197803A JP4279857B2 (ja) | 2006-07-20 | 2006-07-20 | 蒸気タービン、シール装置、及びそれらの制御方法 |
JP2006-197803 | 2006-07-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101109297A true CN101109297A (zh) | 2008-01-23 |
CN101109297B CN101109297B (zh) | 2010-06-02 |
Family
ID=38971611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200710136171.7A Expired - Fee Related CN101109297B (zh) | 2006-07-20 | 2007-07-19 | 汽轮机、密封装置及它们的控制方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7985045B2 (zh) |
JP (1) | JP4279857B2 (zh) |
CN (1) | CN101109297B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101725378B (zh) * | 2008-10-30 | 2013-09-04 | 通用电气公司 | 不对称的燃气轮机冷却孔口部位 |
CN102057191B (zh) * | 2008-06-09 | 2015-01-28 | 三菱重工业株式会社 | 旋转机械的密封结构 |
CN106837432A (zh) * | 2015-12-03 | 2017-06-13 | 上海电气电站设备有限公司 | 汽轮机胀差控制结构及控制方法 |
CN114008300A (zh) * | 2019-09-11 | 2022-02-01 | 三菱动力株式会社 | 蒸汽涡轮 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010019190A (ja) * | 2008-07-11 | 2010-01-28 | Toshiba Corp | 蒸気タービンおよび蒸気タービンの冷却方法 |
JP5210984B2 (ja) | 2009-06-29 | 2013-06-12 | 株式会社日立製作所 | タービン用高信頼性メタルシール材 |
JP5374317B2 (ja) * | 2009-10-30 | 2013-12-25 | 三菱重工業株式会社 | 蒸気タービンおよび蒸気タービンの運転方法 |
US8480352B2 (en) * | 2010-06-23 | 2013-07-09 | General Electric Company | System for controlling thrust in steam turbine |
US8568084B2 (en) * | 2010-06-23 | 2013-10-29 | General Electric Company | System for controlling thrust in steam turbine |
US8882449B2 (en) * | 2011-10-12 | 2014-11-11 | General Electric Company | Inner-to-outer shell differential expansion measurement |
JP5783570B2 (ja) * | 2011-11-28 | 2015-09-24 | 三菱日立パワーシステムズ株式会社 | タービン |
EP3009610B1 (en) * | 2014-10-14 | 2020-11-25 | General Electric Technology GmbH | Steam turbine rotor seal arrangement |
US20170002683A1 (en) * | 2015-07-02 | 2017-01-05 | General Electric Company | Steam turbine shell deflection fault-tolerant control system, computer program product and related methods |
EP3141706A1 (en) * | 2015-09-09 | 2017-03-15 | General Electric Technology GmbH | Steam turbine stage measurement system and a method therefor |
US20170101898A1 (en) * | 2015-10-08 | 2017-04-13 | General Electric Company | Heating systems for external surface of rotor in-situ in turbomachine |
US20170101899A1 (en) * | 2015-10-08 | 2017-04-13 | General Electric Company | Heating systems for internally heating rotor in-situ in turbomachines, and related rotor |
JP6827765B2 (ja) * | 2016-10-21 | 2021-02-10 | 三菱重工業株式会社 | 蒸気タービン |
JP7116692B2 (ja) | 2019-02-05 | 2022-08-10 | 三菱重工業株式会社 | 蒸気タービン発電設備および蒸気タービン発電設備の運転方法 |
CN112282939A (zh) * | 2020-11-06 | 2021-01-29 | 北京全四维动力科技有限公司 | 一种燃气轮机及提高其响应速度的方法 |
CN113653543B (zh) * | 2021-09-24 | 2023-10-20 | 三门核电有限公司 | 一种核电汽轮机低压轴封蒸汽减温方法 |
CN114017138B (zh) * | 2021-11-24 | 2023-12-26 | 重庆江增船舶重工有限公司 | 一种抵消超临界二氧化碳透平热应力的结构 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6234103A (ja) | 1985-08-08 | 1987-02-14 | Toyo Commun Equip Co Ltd | リン酸系ガラスの耐環境構造 |
JPH04325702A (ja) * | 1991-04-25 | 1992-11-16 | Toshiba Corp | 急速冷却用蒸気タービンケーシング |
JP2954797B2 (ja) * | 1992-10-05 | 1999-09-27 | 株式会社東芝 | 蒸気タ−ビンの強制冷却装置 |
CN1119505C (zh) * | 1999-10-29 | 2003-08-27 | 三菱重工业株式会社 | 带有改进的外壳冷却系统的汽轮机 |
US7037065B2 (en) * | 2002-03-20 | 2006-05-02 | Alstom Technology Ltd | Flange bolt for turbines |
US7549834B2 (en) * | 2006-06-19 | 2009-06-23 | General Electric Company | Actuation pressure control for adjustable seals in turbomachinery |
-
2006
- 2006-07-20 JP JP2006197803A patent/JP4279857B2/ja not_active Expired - Fee Related
-
2007
- 2007-07-18 US US11/779,463 patent/US7985045B2/en not_active Expired - Fee Related
- 2007-07-19 CN CN200710136171.7A patent/CN101109297B/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102057191B (zh) * | 2008-06-09 | 2015-01-28 | 三菱重工业株式会社 | 旋转机械的密封结构 |
US9399925B2 (en) | 2008-06-09 | 2016-07-26 | Mitsubishi Heavy Industries, Ltd. | Seal structure for rotary machine |
CN101725378B (zh) * | 2008-10-30 | 2013-09-04 | 通用电气公司 | 不对称的燃气轮机冷却孔口部位 |
CN106837432A (zh) * | 2015-12-03 | 2017-06-13 | 上海电气电站设备有限公司 | 汽轮机胀差控制结构及控制方法 |
CN106837432B (zh) * | 2015-12-03 | 2019-10-11 | 上海电气电站设备有限公司 | 汽轮机胀差控制结构及控制方法 |
CN114008300A (zh) * | 2019-09-11 | 2022-02-01 | 三菱动力株式会社 | 蒸汽涡轮 |
CN114008300B (zh) * | 2019-09-11 | 2023-10-03 | 三菱重工业株式会社 | 蒸汽涡轮 |
US11859505B2 (en) | 2019-09-11 | 2024-01-02 | Mitsubishi Heavy Industries, Ltd. | Steam turbine |
Also Published As
Publication number | Publication date |
---|---|
CN101109297B (zh) | 2010-06-02 |
JP4279857B2 (ja) | 2009-06-17 |
JP2008025429A (ja) | 2008-02-07 |
US7985045B2 (en) | 2011-07-26 |
US20080019821A1 (en) | 2008-01-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MITSUBISHI HITACHI POWER SYSTEM LTD. Free format text: FORMER OWNER: HITACHI,LTD. Effective date: 20141030 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20141030 Address after: Kanagawa Patentee after: MITSUBISHI HEAVY INDUSTRIES, Ltd. Address before: Tokyo, Japan Patentee before: Hitachi, Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Kanagawa Prefecture, Japan Patentee after: Mitsubishi Power Co.,Ltd. Address before: Kanagawa Prefecture, Japan Patentee before: MITSUBISHI HEAVY INDUSTRIES, Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 |
|
CF01 | Termination of patent right due to non-payment of annual fee |