JPH11506181A - 液化天然ガス(lng)を燃料とする複合サイクル発電プラントおよびlngを燃料とするガスタービンプラント - Google Patents
液化天然ガス(lng)を燃料とする複合サイクル発電プラントおよびlngを燃料とするガスタービンプラントInfo
- Publication number
- JPH11506181A JPH11506181A JP8536584A JP53658496A JPH11506181A JP H11506181 A JPH11506181 A JP H11506181A JP 8536584 A JP8536584 A JP 8536584A JP 53658496 A JP53658496 A JP 53658496A JP H11506181 A JPH11506181 A JP H11506181A
- Authority
- JP
- Japan
- Prior art keywords
- lng
- heat exchange
- heat
- exchange fluid
- gas turbine
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 92
- 239000000446 fuel Substances 0.000 title claims abstract description 36
- 239000003949 liquefied natural gas Substances 0.000 title description 54
- 239000012530 fluid Substances 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 14
- 239000000567 combustion gas Substances 0.000 claims abstract description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 26
- 239000002918 waste heat Substances 0.000 claims description 20
- 238000011084 recovery Methods 0.000 claims description 15
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 6
- 239000003245 coal Substances 0.000 claims 1
- 239000004519 grease Substances 0.000 claims 1
- 239000003570 air Substances 0.000 description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 24
- 239000003345 natural gas Substances 0.000 description 12
- 238000010248 power generation Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- XUFQPHANEAPEMJ-UHFFFAOYSA-N famotidine Chemical compound NC(N)=NC1=NC(CSCCC(N)=NS(N)(=O)=O)=CS1 XUFQPHANEAPEMJ-UHFFFAOYSA-N 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002912 waste gas Substances 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
-
- 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
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
- F02C7/143—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid before or between the compressor stages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0302—Heat exchange with the fluid by heating
- F17C2227/0309—Heat exchange with the fluid by heating using another fluid
- F17C2227/0316—Water heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/07—Generating electrical power as side effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
- F17C2270/0581—Power plants
-
- 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]
-
- 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]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.複合サイクルプラントの出力および効率を高める方法であって、 LNGを再ガス化器/冷却器内に流入せしめ、 熱交換流体を該再ガス化器/冷却器内に流入せしめて該LNGを再ガス化する と共に該熱交換流体を冷却し、 該冷却された熱交換流体を、エアコンプレッサのための吸入空気が流れる熱交 換領域を介し流通せしめて該吸入空気を冷却すると共に高密度化し、 該冷却されかつ高密度化された空気をエアコンプレッサにおいて圧縮し、 再ガス化されたLNGを該圧縮された空気と燃焼器において混合して高温の燃 焼ガスを形成し、 該高温の燃焼ガスをガスタービンに輸送して該ガスタービンを駆動し、 該ガスタービンから排気ガスを排出し、 熱交換流体を凝縮器を介し流通せしめて高圧式蒸気タービンからの廃蒸気を凝 縮し、 次いで再ガス化器/冷却器内のLNGと熱交換するように熱交換流体を配置す る 方法。 2.前記ガスタービンからの排気ガスを廃熱ボイラに流入せしめ、 該廃熱ボイラを介し水を流通せしめ、 該排気ガスを該水と熱交換して該水を高圧蒸気に変換するように配置し、 該廃熱ボイラから該高圧蒸気を排出する 請求項1に記載の方法。 3.前記高圧蒸気を蒸気タービンに流通せしめ、 該蒸気タービンから廃蒸気を排出し、 前記熱交換流体を該廃蒸気と熱交換して該廃蒸気を凝縮するように配置する 請求項2に記載の方法。 4.前記複合サイクルプラントの出力を9%改良する請求項1に記載の方法。 5.前記複合サイクルプラントの効率を約2%高める請求項1または4に記載 の方法。 6.ガスタービンプラントと、廃熱ボイラと、蒸気タービンプラントとを具備 した複合サイクルプラントの出力および効率を高める方法であって、 LNGを再ガス化器/冷却器内に流入せしめ、 熱交換流体を該再ガス化器/冷却器内に流入せしめて該LNGを再ガス化する と共に該熱交換流体を冷却し、 該冷却された熱交換流体を、ガスタービンプラント内のエアコンプレッサのた めの吸入空気が流れる熱交換領域を介し流通せしめて該熱交換流体により該吸入 空気を冷却すると共に高密度化し、 該冷却されかつ高密度化された空気を再ガス化されたLNGと燃焼器において 混合して高温の燃焼ガスを形成し、 該高温の燃焼ガスをガスタービンプラント内のタービンに流通せしめて該ター ビンを駆動し、 該タービンから高温の排気ガスを排出して該排気ガスを廃熱ボイラに流通せし め、 該廃熱ボイラを介し流通する水を蒸気に変換して該蒸気を排出し 、 該排出された蒸気を蒸気タービンプラント内の蒸気タービンに流通せしめて該 蒸気タービンを駆動すると共に廃蒸気を形成し、 該廃蒸気を、凝縮器を介し流通せしめ、 エアコンプレッサ上流の熱交換領域からの熱交換流体を凝縮器を介し流通せし めて廃蒸気を凝縮し、 該凝縮器からの熱交換流体を再ガス化器/冷却器まで流通せしめる 方法。 7.前記熱交換流体を前記吸入空気と間接的に熱交換するように配置する請求 項6に記載の方法。 8.前記熱交換流体が水/グリコール混合物からなる請求項6に記載の方法。 9.前記再ガス化器/冷却器に流入する前記水/グリコール混合物の温度が約 35°C(95°F)であり、該再ガス化器/冷却器から流出する該水/グリコ ール混合物の温度が約1.7°C(35°F)であり、該再ガス化器/冷却器か ら流出する再ガス化されたLNGの温度が約7.2°C(45°F)である請求 項8に記載の方法。 10.前記複合サイクルプラントの出力を9%改良する請求項6に記載の方法 。 11.前記複合サイクルプラントの効率を約2%高める請求項6に記載の方法 。 12.LNG燃料供給システムと、 ガスタービンを具備したガスタービンプラントと、 該ガスタービン下流の廃熱ボイラと、 蒸気タービンプラントと を具備したLNG複合サイクルプラントシステムであって、該LNG燃料供給シ ステムは LNG源と、 該LNG源と流体流れ可能に連通するLNGのための再ガス化器/冷却器と、 熱交換流体を、該再ガス化器/冷却器を介し流通せしめて該熱交換流体を冷却 する手段と を具備し、該ガスタービンプラントは エアコンプレッサと、 該エアコンプレッサ上流の吸気ダクトと、 該吸気系と熱交換するように配置された熱交換器と、 熱交換流体を該熱交換器を介し流通せしめて吸気ダクトを介し流通した後にコ ンプレッサに流入する吸入空気を冷却すると共に高密度化する手段と、 エアコンプレッサとガスタービン間に介在せしめられてガスタービンを駆動す るエネルギを提供する燃焼器と、 ガスタービンに結合された発電機と、 カスタービンから排気を排出せしめる手段と を具備し、廃熱ボイラは ガスタービンからの排気を該廃熱ボイラに導入する手段と、 高圧蒸気を生成する手段と、 該廃熱ボイラから該高圧蒸気を排出せしめる手段と を具備し、蒸気タービンプラントは 廃熱ボイラ下流に配置されると共に廃熱ボイラからの高圧蒸気を受け取るよう になっている蒸気タービンと、 該蒸気タービンに結合されて該蒸気タービンにより駆動される発電機と、 凝縮器であって、蒸気タービンから排出された廃蒸気と、該凝縮器を介し流通 する主熱交換流体を凝縮する凝縮器と、 該凝縮液を廃熱ボイラに戻す手段と、 該熱交換流体を凝縮器から再ガス化器/冷却器まで流通せしめる手段と を具備したLNG複合サイクルプラントシステム。 13.前記熱交換流体を前記吸入空気と間接的に熱交換するように配置する手 段を具備した請求項12に記載のLNG複合サイクルプラントシステム。 14.ガスタービンプラントの出力および効率を高める方法であって、 LNGを再ガス化器/冷却器内に流入せしめ、 熱交換流体を該再ガス化器/冷却器内に流入せしめて該LNGをガス化すると 共に該熱交換流体を冷却し、 該冷却された熱交換流体を、エアコンプレッサのための吸入空気が流れる熱交 換領域を介し流通せしめて該吸入空気を冷却すると共に高密度化し、 該冷却されかつ高密度化された空気をエアコンプレッサにおいて圧縮し、 再ガス化されたLNGを該圧縮された空気と燃焼器において混合して高温の燃 焼ガスを形成し、 該高温の燃焼ガスをガスタービンに輸送して該タービンを駆動し、 該ガスタービンからの排気ガスを熱回収式熱交換器内に流入せしめ、 熱交換流体を熱回収式熱交換器を介し流通せしめて該熱交換流体を加熱し、 次いで再ガス化器/冷却器内のLNGと熱交換するように熱交換流体を配置す る 方法。 15.前記ガスタービンプラントの出力を9%改良する請求項14に記載の方 法。 16.前記ガスタービンプラントの効率を約2%高める請求項14に記載の方 法。 17.ガスタービンプラントの出力および効率を高める方法であって、 LNGを再ガス化器/冷却器内に流入せしめ、 熱交換流体を該再ガス化器/冷却器内に流入せしめて該LNGを再ガス化する と共に該熱交換流体を冷却し、 該再ガス化されたLNGをガスタービンプラント内の燃焼器まで流通せしめ、 該冷却された熱交換流体を、ガスタービンプラント内のエアコンプレッサのた めの吸入空気が流れる熱交換領域を介し流通せしめて該熱交換流体により該吸入 空気を冷却すると共に高密度化し、 該冷却されかつ高密度化された空気を再ガス化されたLNGと燃焼器において 混合して高温の燃焼ガスを形成し、 該高温の燃焼ガスをガスタービンプラント内のガスタービンまで流通せしめて 該タービンを駆動し、 高温の排気ガスを該ガスタービンから排出せしめて熱回収式熱交換器まで流通 せしめ、 エアコンプレッサ上流の熱交換領域からの熱交換流体を該熱回収式熱交換器を 介し流通せしめて該熱交換流体を加熱し、 凝縮器からの熱交換流体を再ガス化器/冷却器内まで流通せしめる 方法。 18.前記熱交換流体を前記吸入空気と間接的に熱交換するように配置する請 求項17に記載の方法。 19.前記熱交換流体が水/グリコール混合物からなる請求項17に記載の方 法。 20.前記再ガス化器/冷却器に流入する前記水/グリコール混合物の温度が 約35°C(95°F)であり、該再ガス化器/冷却器から流出する該水/グリ コール混合物の温度が約1.7°C(35°F)であり、該再ガス化器/冷却器 から流出する再ガス化されたLNGの温度が約7.2°C(45°F)である請 求項19に記載の方法。 21.前記複合サイクルプラントの出力を9%改良する請求項17に記載の方 法。 22.前記複合サイクルプラントの効率を約2%高める請求項17に記載の方 法。 23.LNG燃料供給システムと、 ガスタービンを具備したガスタービンプラントと、 該ガスタービン下流の熱回収式熱交換器と を具備したLNG複合サイクルプラントシステムであって、該LNG燃料供給シ ステムは LNG源と、 該LNG源と流体流れ可能に連通するLNGのための再ガス化器/冷却器と、 熱交換流体を、該再ガス化器/冷却器を介し流通せしめて該熱交換流体を冷却 する手段と を具備し、該ガスタービンプラントは エアコンプレッサと、 該エアコンプレッサ上流の吸気ダクトと、 該吸気系と熱交換するように配置された熱交換器と、 熱交換流体を該熱交換器を介し流通せしめて吸気ダクトを介し流通した後にコ ンプレッサに流入する吸入空気を冷却すると共に高密度化する手段と、 エアコンプレッサとガスタービン間に介在せしめられてガスタービンを駆動す るエネルギを提供する燃焼器と、 ガスタービンに結合された発電機と、 ガスタービンから排気を排出せしめる手段と を具備し、熱回収式熱交換器は ガスタービンからの排気を該熱回収式熱交換器内に流入せしめる手段と、 熱交換流体を、該熱回収式熱交換器を介し流通せしめて加熱する手段と、 該熱回収式熱交換器からの該熱交換流体を再ガス化器/冷却器に流入せしめる 手段と、 高圧蒸気を生成する手段と を具備したLNG複合サイクルプラントシステム。 24.前記熱交換流体を前記吸入空気と間接的に熱交換するように配置する手 段を具備した請求項23に記載のLNG複合サイクルプラントシステム。
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- 1996-05-28 PT PT96919004T patent/PT828925E/pt unknown
- 1996-05-28 WO PCT/US1996/007738 patent/WO1996038656A1/en active IP Right Grant
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JP2008537045A (ja) * | 2005-03-30 | 2008-09-11 | フルオー・テクノロジーズ・コーポレイシヨン | Lng再ガス化と発電プラントとの熱的統合のための構成および方法 |
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JP2016061227A (ja) * | 2014-09-18 | 2016-04-25 | 三菱日立パワーシステムズ株式会社 | 冷却設備、これを備えるコンバインドサイクルプラント、及び冷却方法 |
US11300010B2 (en) | 2014-09-18 | 2022-04-12 | Mitsubishi Power, Ltd. | Cooling equipment, combined cycle plant comprising same, and cooling method |
WO2019031073A1 (ja) * | 2017-08-10 | 2019-02-14 | 株式会社Ihi | 熱交換システム |
JP2019035420A (ja) * | 2017-08-10 | 2019-03-07 | 株式会社Ihi | 熱交換システム |
JPWO2020202590A1 (ja) * | 2019-03-29 | 2020-10-08 |
Also Published As
Publication number | Publication date |
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CN1112505C (zh) | 2003-06-25 |
WO1996038656A1 (en) | 1996-12-05 |
ES2219686T3 (es) | 2004-12-01 |
CN1190449A (zh) | 1998-08-12 |
BR9609028A (pt) | 1998-12-15 |
PT828925E (pt) | 2004-08-31 |
US6374591B1 (en) | 2002-04-23 |
TR199701473T1 (xx) | 1998-06-22 |
AU6146196A (en) | 1996-12-18 |
EP0828925A1 (en) | 1998-03-18 |
JP4166822B2 (ja) | 2008-10-15 |
TW358851B (en) | 1999-05-21 |
EP0828925B1 (en) | 2004-03-24 |
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