JP2016211558A - 排熱を動力とする能動的クリアランス制御のためのシステムおよび方法 - Google Patents
排熱を動力とする能動的クリアランス制御のためのシステムおよび方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000002918 waste heat Substances 0.000 title claims abstract description 4
- 239000007789 gas Substances 0.000 claims abstract description 116
- 238000001816 cooling Methods 0.000 claims abstract description 70
- 239000012809 cooling fluid Substances 0.000 claims abstract description 57
- 238000011084 recovery Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000003570 air Substances 0.000 description 27
- 239000000446 fuel Substances 0.000 description 18
- 238000002485 combustion reaction Methods 0.000 description 14
- 239000000203 mixture Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000011143 downstream manufacturing Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
- F01K23/101—Regulating means specially adapted 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- 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
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
-
- 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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
- F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
- F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
-
- 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
- F05D2220/32—Application in turbines in gas 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
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
-
- 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
- F05D2240/00—Components
- F05D2240/20—Rotors
- F05D2240/24—Rotors for 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
11 エンクロージャ
12 圧縮機
14 大気
16 吸気口
18 入口空気
20 加圧空気
22 燃料ノズル
24 燃料
26 空気−燃料混合気
28 燃焼器
30 燃焼生成物
32 ガスタービン
34 シャフト
36 第1の負荷
38 排気ガス
40 排気出口
42 排熱回収蒸気発生器(HRSG)
44 蒸気
46 蒸気タービン
47 第2のシャフト
48 第2の負荷、蒸気タービン負荷
49 蒸気タービンの出口
50 蒸気タービン排気(下流のプロセスへ)
52 下流のプロセス
54 低圧蒸気
56 冷却システム
58 ガスタービンケーシング
60 低圧蒸気の一部分
61 低圧蒸気の残りの部分
62 弁組立体
63 弁
64 制御器
66 制御ライン
68 メモリ
70 プロセッサ
72 操作者入力
74 センサ
76 冷却マニホールド
78 ガスタービンケーシング
79 冷却通路
80 外面
82 内面
84 ケーシング内部構成部品
86 冷却マニホールド開口
90 タービンブレード
92 ロータ
94 クリアランス
95 運転クリアランス
97 所望の最小の分離距離
Claims (20)
- ガス流を膨張させるように構成されたタービン(32)であって、
前記膨張ガス流が軸周りにタービンロータ(92)を回転させるように構成される、タービンロータ(92)、および
前記タービンロータ(92)周りに配置されたタービンケーシング(58、78)
を備えるタービン(32)と、
低圧冷却流体を前記タービンケーシング(58、78)の方へ導くように構成された冷却マニホールド(76)であって、前記低圧冷却流体が前記タービンケーシング(58、78)を冷却するように構成される、冷却マニホールド(76)と
を備えるシステム。 - 前記タービン(32)が航空転用ガスタービンを含む、請求項1記載のシステム。
- 前記タービン(32)の回転構成部品と静止構成部品との間のクリアランスに少なくとも部分的に基づいて、前記タービンケーシング(58、78)へ向かう前記低圧冷却流体の流れを制御するように構成された制御器(64)を備える請求項1記載のシステム。
- 前記制御器(64)が、前記クリアランスをほぼ0.254mm(10mil)より大きく維持するように前記低圧冷却流体の流れを制御するように構成される、請求項3記載のシステム。
- 前記低圧冷却流体が、前記タービンロータ(92)の下流の前記ガス流によって加熱された蒸気流を含む、請求項1記載のシステム。
- 前記ガス流を受け入れて、蒸気流を発生させるように構成された排熱回収蒸気発生器(HRSG)(42)であって、前記低圧冷却流体が前記蒸気流を含み、前記冷却マニホールド(76)が前記HRSG(42)に連結される、HRSG(42)を備える請求項1記載のシステム。
- 前記タービン(32)に連結された圧縮機(12)を備え、前記タービン(32)が、前記圧縮機(12)を駆動するように構成される、請求項1記載のシステム。
- 前記冷却マニホールド(76)が、前記低圧冷却流体を前記タービンケーシング(58、78)の外面(80)に導くように構成される、請求項1記載のシステム。
- ガス流を膨張させるように構成されたタービン(32)であって、
前記膨張ガス流が軸周りにタービンロータ(92)を回転させるように構成される、タービンロータ(92)、および
前記タービンロータ(92)周りに配置されたタービンケーシング(58、78)
を備えるタービン(32)と、
蒸気流を発生させるように構成された蒸気源と、
前記蒸気流の一部分を受け入れて、前記蒸気流の前記部分を前記タービンケーシング(58、78)の方へ導くように構成された冷却マニホールド(76)であって、前記蒸気流の前記部分が前記タービンケーシング(58、78)を冷却するように構成される、冷却マニホールド(76)と
を備えるシステム。 - 前記タービンロータ(92)と前記タービンケーシング(58、78)との間のクリアランスに少なくとも部分的に基づいて、前記タービンケーシング(58、78)へ向かう前記蒸気流の前記部分(60)の流れを制御するように構成された制御器(64)を備える請求項9記載のシステム。
- 前記制御器(64)が、前記クリアランスをほぼ0.254mm(10mil)より大きく維持するように前記蒸気流の前記部分(60)の流れを制御するように構成される、請求項9記載のシステム。
- 前記蒸気流が、前記タービンロータ(92)の下流の前記ガス流によって加熱される、請求項9記載のシステム。
- 前記蒸気源および前記冷却マニホールド(76)に連結された蒸気タービン(46)を備え、前記蒸気源が、前記ガス流を受け入れて、前記蒸気流を発生させるように構成された排熱回収蒸気発生器(HRSG)(42)を含み、前記蒸気タービン(46)が、前記HRSG(42)からの前記蒸気流を受け入れるように構成され、前記蒸気流が、前記蒸気タービン(46)を駆動するように構成され、かつ、前記蒸気タービン(46)の出口(49)が、前記蒸気流の前記部分(60)を前記冷却マニホールド(76)に導くように構成される、請求項9記載のシステム。
- 前記冷却マニホールド(76)が、前記蒸気流の前記部分(60)を前記タービンケーシング(58、78)の外面(80)に導くように構成される、請求項9記載のシステム。
- タービンケーシング(58、78)内のガス流を膨張させるステップであって、前記ガス流がタービンロータ(92)を駆動する、ステップと、
前記タービンロータ(92)と前記タービンケーシング(58、78)との間の第1のクリアランスを制御するステップとを含み、前記第1のクリアランスを制御するステップが、
第1の蒸気流を前記タービンケーシング(58、78)に導くことと、
前記タービンケーシング(58、78)を第1の所望温度に冷却することと
を含む、方法。 - 前記第1の蒸気流を発生させるステップであって、前記第1の蒸気流を前記タービンケーシング(58、78)に導く前に、前記タービンロータ(92)の下流の前記ガス流が前記第1の蒸気流を加熱する、ステップを含む、請求項15記載の方法。
- 蒸気タービン(46)によって第2の蒸気流を膨張させるステップであって、前記蒸気タービン(46)の下流の前記第2の蒸気流の少なくとも一部分が、前記第1の蒸気流として前記タービンケーシング(58、78)に導かれる、ステップを含む、請求項15記載の方法。
- 圧縮ロータと圧縮機ケーシングとの間の第2のクリアランスを制御するステップを含み、前記第2のクリアランスを制御するステップが、
第2の蒸気流を前記圧縮機ケーシングに導くことと、
前記圧縮機ケーシングを第2の所望の温度に冷却することと
を含む、請求項15記載の方法。 - 前記第1の蒸気流がほぼ138kPa(20psi)より低い、請求項15記載の方法。
- 前記第1の蒸気流を前記タービンケーシング(58、78)に導くことが、前記第1の蒸気流を前記タービンケーシング(58、78)の外面(80)に導くことを含む、請求項15記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/707,927 | 2015-05-08 | ||
US14/707,927 US20160326915A1 (en) | 2015-05-08 | 2015-05-08 | System and method for waste heat powered active clearance control |
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JP2016211558A true JP2016211558A (ja) | 2016-12-15 |
JP6745079B2 JP6745079B2 (ja) | 2020-08-26 |
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Country Status (6)
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US (1) | US20160326915A1 (ja) |
EP (1) | EP3091195A1 (ja) |
JP (1) | JP6745079B2 (ja) |
KR (1) | KR20160131911A (ja) |
CN (1) | CN106121741A (ja) |
BR (1) | BR102016009338A2 (ja) |
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EP3112607B1 (en) * | 2015-07-02 | 2018-10-24 | Ansaldo Energia Switzerland AG | Gas turbine cool-down phase operation methods |
GB201518641D0 (en) * | 2015-10-21 | 2015-12-02 | Rolls Royce Plc | A system and method |
US10794214B2 (en) * | 2017-05-08 | 2020-10-06 | United Technologies Corporation | Tip clearance control for gas turbine engine |
US10815814B2 (en) * | 2017-05-08 | 2020-10-27 | Raytheon Technologies Corporation | Re-use and modulated cooling from tip clearance control system for gas turbine engine |
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Also Published As
Publication number | Publication date |
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US20160326915A1 (en) | 2016-11-10 |
KR20160131911A (ko) | 2016-11-16 |
EP3091195A1 (en) | 2016-11-09 |
BR102016009338A2 (pt) | 2016-11-16 |
CN106121741A (zh) | 2016-11-16 |
JP6745079B2 (ja) | 2020-08-26 |
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