JP6976042B2 - 発電システム排気冷却 - Google Patents
発電システム排気冷却 Download PDFInfo
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- JP6976042B2 JP6976042B2 JP2016123113A JP2016123113A JP6976042B2 JP 6976042 B2 JP6976042 B2 JP 6976042B2 JP 2016123113 A JP2016123113 A JP 2016123113A JP 2016123113 A JP2016123113 A JP 2016123113A JP 6976042 B2 JP6976042 B2 JP 6976042B2
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- 238000010248 power generation Methods 0.000 title claims description 35
- 238000001816 cooling Methods 0.000 title description 14
- 238000002156 mixing Methods 0.000 claims description 68
- 238000000605 extraction Methods 0.000 claims description 41
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 2
- 239000007789 gas Substances 0.000 description 201
- 239000003570 air Substances 0.000 description 187
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 36
- 239000003054 catalyst Substances 0.000 description 22
- 229910021529 ammonia Inorganic materials 0.000 description 18
- 238000000034 method Methods 0.000 description 16
- 238000002347 injection Methods 0.000 description 10
- 239000007924 injection Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 239000012080 ambient air Substances 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000003426 co-catalyst Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 238000003466 welding Methods 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
- F01D25/30—Exhaust heads, chambers, or the like
- F01D25/305—Exhaust heads, chambers, or the like with fluid, e.g. liquid injection
-
- 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
- F02C7/16—Cooling of plants characterised by cooling medium
- F02C7/18—Cooling of plants characterised by cooling medium the medium being gaseous, e.g. air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/05—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of air, e.g. by mixing exhaust with air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/2073—Selective catalytic reduction [SCR] with means for generating a reducing substance from the exhaust gases
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
-
- 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
-
- 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
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
-
- 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
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
-
- 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
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/606—Bypassing the fluid
-
- 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
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/08—Purpose of the control system to produce clean exhaust gases
- F05D2270/082—Purpose of the control system to produce clean exhaust gases with as little NOx as possible
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Turbines (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Description
を含む。
[実施態様1]
ガスタービンシステムのための空気流制御システムであって、
ガスタービンシステムの圧縮機構成要素と、
上記ガスタービンシステムの回転シャフトに取り付けるための空気流発生システムであって、上記空気流発生システム及び上記圧縮機構成要素が、吸気セクションを通して過剰空気流を引き入れる、空気流発生システムと、
上記ガスタービンシステムにより生成された排気ガス流を受け入れるための混合領域と、
上記空気流発生システム及び上記圧縮機構成要素により発生した上記過剰空気流の少なくとも一部を抽出してバイパス空気を提供するための、及び上記バイパス空気を上記混合領域内に分流して上記排気ガス流の温度を下げるための、空気抽出システムと、
を備える、空気流制御システム。
[実施態様2]
上記空気流発生システム及び上記圧縮機構成要素により発生された上記過剰空気流が、上記ガスタービンシステムの燃焼器構成要素及びタービン構成要素の少なくとも一方の流量容量よりも約10%から約40%大きい、実施態様1に記載の空気流制御システム。
[実施態様3]
上記ガスタービンシステムの上記圧縮機構成要素が、少なくとも1つの過大圧縮機段を含む、実施態様1に記載の空気流制御システム。
[実施態様4]
上記空気流発生システムがファンを備える、実施態様1に記載の空気流制御システム。[実施態様5]
上記空気抽出システムが、上記ガスタービンシステムの周りで上記バイパス空気を分流し、上記混合領域に流入させて上記排気ガス流の温度を下げるためのバイパスダクトを備える、実施態様1に記載の空気流制御システム。
[実施態様6]
上記空気抽出システムが、上記ガスタービンシステムを囲み、空気通路を形成するエンクロージャを備え、上記バイパス空気は、上記空気通路を通って上記ガスタービンシステムの周りを流れて上記混合領域に流入して上記排気ガス流の温度を下げる、実施態様1に記載の空気流制御システム。
[実施態様7]
上記バイパス空気を上記混合領域の上記排気ガス流に向けてその中に入れる流れ方向付けシステムをさらに備え、上記流れ方向付けシステムは、内向きに湾曲した上記エンクロージャの端部及び/又は少なくとも1つのガイドベーンを備える、実施態様6に記載の空気流制御システム。
[実施態様8]
上記空気抽出システムが、上記過剰空気流の一部を上記圧縮機構成要素内に分流して上記ガスタービンシステムを過給するように構成されている、実施態様6に記載の空気流制御システム。
[実施態様9]
温度が下がった上記排気ガス流を処理するための選択的触媒還元(SCR)システムをさらに備える、実施態様6に記載の空気流制御システム。
[実施態様10]
ターボ機械システムであって、
圧縮機構成要素、燃焼器構成要素、及びタービン構成要素を含むガスタービンシステムであって、上記ガスタービンシステムの上記圧縮機構成要素が、少なくとも1つの過大圧縮機段を含む、ガスタービンシステムと、
上記タービン構成要素により駆動されるシャフトと、
上記ガスタービンシステムの上流で上記シャフトに結合したファンであって、上記ファン及び上記圧縮機構成要素の少なくとも1つの過大圧縮機段が、吸気セクションを通して過剰空気流を引き入れる、ファンと、
上記ガスタービンシステムにより生成された排気ガス流を受け入れるための混合領域と、
上記ファン及び上記圧縮機構成要素の上記少なくとも1つの過大圧縮機段により発生した上記過剰空気流の少なくとも一部を抽出してバイパス空気を提供するための、及び上記バイパス空気を上記混合領域内に分流して上記排気ガス流の温度を下げるための、空気抽出システムと、
温度が下がった上記排気ガス流を処理するための排気処理システムと、
を備える、ターボ機械システム。
[実施態様11]
上記ファン及び上記圧縮機構成要素の少なくとも1つの過大圧縮機段により発生された上記過剰空気流が、上記ガスタービンシステムの燃焼器構成要素及びタービン構成要素の少なくとも一方の流量容量よりも約10%から約40%大きい、実施態様10に記載のターボ機械システム。
[実施態様12]
上記空気抽出システムが、上記ガスタービンシステムの周りで上記バイパス空気を分流し、上記混合領域に流入させて上記排気ガス流の温度を下げるためのバイパスダクトを備える、実施態様10に記載のターボ機械システム。
[実施態様13]
上記空気抽出システムが、上記ガスタービンシステムを囲み、空気通路を形成するエンクロージャを備え、上記バイパス空気は、上記空気通路を通って上記ガスタービンシステムの周りを流れて上記混合領域に流入して上記排気ガス流の温度を下げる、実施態様10に記載のターボ機械システム。
[実施態様14]
上記バイパス空気を上記混合領域の上記排気ガス流に向けてその中に入れる流れ方向付けシステムをさらに備え、上記流れ方向付けシステムは、内向きに湾曲した上記エンクロージャの端部及び/又は少なくとも1つのガイドベーンを備える、実施態様13に記載のターボ機械システム。
[実施態様15]
上記空気抽出システムが、上記過剰空気流の一部を上記圧縮機構成要素内に分流して上記ガスタービンシステムを過給するように構成されている、実施態様10に記載のターボ機械システム。
[実施態様16]
上記排気処理システムが、選択的触媒還元(SCR)システムを備える、実施態様10に記載のターボ機械システム。
[実施態様17]
発電システムであって、圧縮機構成要素、燃焼器構成要素及びタービン構成要素を含むガスタービンシステムであって、上記ガスタービンシステムの上記圧縮機構成要素が、少なくとも1つの過大圧縮機段を含む、ガスタービンシステムと、上記タービン構成要素により駆動されるシャフトと、電気を発生させるためにシャフトに結合した発電機と、上記ガスタービンシステムの上流で上記シャフトに結合したファンであって、上記ファン及び上記圧縮機構成要素の少なくとも1つの上記過大圧縮機段が、吸気セクションを通して過剰空気流を引き入れるファンと、上記ガスタービンシステムにより生成された排気ガス流を受け入れるための混合領域と、上記ファン及び上記圧縮機構成要素の少なくとも1つの上記過大圧縮機段により発生した上記過剰空気流の少なくとも一部を抽出してバイパス空気を提供するため、及び上記バイパス空気を上記混合領域内に分流して上記排気ガス流の温度を下げるための、空気抽出システムと、上記温度が下がった排気ガス流を処理するための排気処理システムと、を備える発電システム。
[実施態様18]
上記空気流発生システム及び上記圧縮機構成要素により発生された上記過剰空気流が、上記ガスタービンシステムの燃焼器構成要素及びタービン構成要素の少なくとも一方の流量容量よりも約10%から約40%大きい、実施態様17に記載の発電システム。
[実施態様19]
上記空気抽出システムが、
上記ガスタービンシステムの周りで上記バイパス空気を分流し、上記混合領域に流入させて上記排気ガス流の温度を下げるためのバイパスダクトと、
上記ガスタービンシステムを囲み、空気通路を形成するエンクロージャと、
を備え、上記バイパス空気は、上記空気通路を通って上記ガスタービンシステムの周りを流れて上記混合領域に流入して上記排気ガス流の温度を下げる、実施態様17に記載の発電システム。
[実施態様20]
上記排気処理システムが、選択的触媒還元(SCR)システムを備える、実施態様17に記載の発電システム。
12:ガスタービンシステム
14:排気処理システム
16:吸気セクション
18:圧縮機構成要素
20:燃焼器構成要素
22:タービン構成要素
24:シャフト
26:矢印
28:発電機
30:下流側端部
32:排気ガス流
33:混合領域
34:下流方向
36:CO触媒
38:SCR触媒
40:アンモニア蒸発システム
42:アンモニア注入グリッド
44:スタック
46:タンク
48:ブロアシステム
50:ヒータ
52:アンモニア気化器
54:ポンプシステム
56:ファン
58:過大圧縮機段
60:入口ガイドベーン組立体
62:入口ガイドベーン
64:アクチュエータ
70:空気抽出システム
72:空気流
74:抽出ダクト
76:バイパスダクト
78:補助混合システム
80:流れ制限システム
82:ダンパ
84:アクチュエータ
86:空気放出システム
88:ダンパ
90:空気出口
92:アクチュエータ
94:弁
100:空気流制御装置
102:データ
110:注入グリッド
111:エンクロージャ
112:ノズル
113:空気通路
114:空気抽出システム
116:入口ガイドベーン
118:アクチュエータ
120:遠位端
122:流れ方向付けシステム
124:出口ガイドベーン
126:アクチュエータ
130:空気放出システム
132:ダンパ
134:空気出口
136:アクチュエータ
140:弁
150:アクセスドア
Claims (6)
- 圧縮機構成要素(18)、燃焼器構成要素(20)及びタービン構成要素(22)を含むガスタービンシステム(12)のための空気流制御システムであって、前記圧縮機構成要素(18)が、第1の過剰空気流を発生させるための少なくとも1つの過大圧縮機段(58)を含んでおり、当該空気流制御システムが、
前記圧縮機構成要素の上流側で前記ガスタービンシステム(12)の回転シャフト(24)に取り付けられる空気流発生システムであって、吸気セクション(16)を通して第2の過剰空気流を引き入れる空気流発生システムと、
前記ガスタービンシステム(12)のタービン構成要素(22)から排気ガス流(32)を受け入れるための混合領域(33)と、
前記圧縮機構成要素(18)の少なくとも1つの過大圧縮機段(58)で発生させた第1の過剰空気流の少なくとも一部を抽出し、かつ前記空気流発生システムで発生させた第2の過剰空気流の少なくとも一部を抽出してバイパス空気を提供するとともに、バイパスダクトを通して前記バイパス空気を前記混合領域(33)内に分流して前記排気ガス流(32)の温度を下げるための、空気抽出システム(70)であって、該空気抽出システム(70)が、バイパス空気を供給するためのダクトシステムであって、第1の抽出ダクト、第2の抽出ダクト及び前記バイパスダクトを含むダクトシステムを備えており、前記第1の抽出ダクトが、前記少なくとも1つの過大圧縮機段(58)で発生させた第1の過剰空気流の少なくとも一部を抽出してバイパス空気の第1の部分を提供するとともに、該バイパス空気の第1の部分を前記バイパスダクトに分流し、前記第2の抽出ダクトが、前記空気流発生システムで発生させた第2の過剰空気流の少なくとも一部を抽出してバイパス空気の第2の部分を提供するとともに、該バイパス空気の第2の部分を前記バイパスダクトに分流する、空気抽出システム(70)と、
前記第1の抽出ダクト及び前記第2の抽出ダクトの少なくとも一方を通る空気流を選択的に制限するための流れ制限システム(80)であって、前記第1の抽出ダクト及び前記第2の抽出ダクトの少なくとも一方を通って前記バイパスダクトに流入する空気流を制御するためのダンパ(82)を含む流れ制限システム(80)と、
前記バイパスダクトから前記バイパス空気の一部を前記ガスタービンシステムの外部に選択的に放出するための、前記混合領域の上流側の空気放出システム(86)と
を備える、空気流制御システム。 - 前記空気流発生システムがファン(56)を備える、請求項1に記載の空気流制御システム。
- 前記空気流発生システム及び前記圧縮機構成要素(18)の少なくとも1つの過大圧縮機段で発生させた前記第1及び第2の過剰空気流(72)が、前記ガスタービンシステム(12)の燃焼器構成要素(20)及びタービン構成要素(22)の少なくとも一方の流量容量よりも10%〜40%大きい、請求項1又は請求項2に記載の空気流制御システム。
- 温度が下がった前記排気ガス流(32)を処理するための選択的触媒還元(SCR)システムをさらに備える、請求項1乃至請求項3のいずれか1項に記載の空気流制御システム。
- ターボ機械システムであって、
圧縮機構成要素(18)、燃焼器構成要素(20)、及びタービン構成要素(22)を含むガスタービンシステム(12)であって、前記ガスタービンシステム(12)の前記圧縮機構成要素(18)が、少なくとも1つの過大圧縮機段(58)を含む、ガスタービンシステム(12)と、
前記タービン構成要素(22)により駆動されるシャフト(24)と、
請求項1乃至請求項4のいずれか1項に記載の空気流制御システムと、
温度が下がった前記排気ガス流(32)を処理するための排気処理システム(14)と
を備える、ターボ機械システム。 - 発電システムであって、
請求項5に記載のターボ機械システムと、
電気を発生させるために前記シャフトに結合した発電機と
を備える発電システム。
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