JPH1037712A - Combined cycle power generating plant - Google Patents

Combined cycle power generating plant

Info

Publication number
JPH1037712A
JPH1037712A JP8194601A JP19460196A JPH1037712A JP H1037712 A JPH1037712 A JP H1037712A JP 8194601 A JP8194601 A JP 8194601A JP 19460196 A JP19460196 A JP 19460196A JP H1037712 A JPH1037712 A JP H1037712A
Authority
JP
Japan
Prior art keywords
steam
pressure
combustor
gas turbine
cooling
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
Application number
JP8194601A
Other languages
Japanese (ja)
Other versions
JP3825089B2 (en
Inventor
Akimasa Mutsuyama
亮昌 六山
Atsushi Yasuraoka
淳 安良岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP19460196A priority Critical patent/JP3825089B2/en
Priority to US09/381,611 priority patent/US6311474B2/en
Priority to PCT/JP1998/000260 priority patent/WO1999037900A1/en
Publication of JPH1037712A publication Critical patent/JPH1037712A/en
Application granted granted Critical
Publication of JP3825089B2 publication Critical patent/JP3825089B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M5/00—Casings; Linings; Walls
    • F23M5/08—Cooling thereof; Tube walls
    • F23M5/085—Cooling thereof; Tube walls using air or other gas as the cooling medium
    • 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
    • F01D25/10—Heating, e.g. warming-up before starting
    • 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
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
    • F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
    • 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]

Abstract

PROBLEM TO BE SOLVED: To provide a device which can be operated safely and stably for a long time by protecting from burning a combustor and a piping system attached thereto when cooling steam is insufficient at such times as the start-up or the stop of a gas turbine. SOLUTION: When cooling steam is insufficient at a start-up or the stop of a plant, this combined cycle power generating plant connects an air tube 9 for applying a pressure to a steam channel of high temperature cooled part 5 of a gas turbine 2 with output air of a compressor so that the pressure of the passage becomes higher than the pressure in a combostor 4 is connected to the steam channel 7. Thus, infiltration from the combustor 4 to the steam channel 7 is eliminated by keeping the pressure in the steam channel 7 to a pressure higher than the pressure in the combustor 4 with the result that the combustor 4 and the piping system or the like attached thereto can be safely protected.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明はガスタービンプラン
トと蒸気タービンプラントとを組み合わせたコンバイン
ドサイクル発電プラントに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combined cycle power plant combining a gas turbine plant and a steam turbine plant.

【０００２】[0002]

【従来の技術】コンバインドサイクル発電プラントは、
ガスタービンプラントと蒸気タービンプラントを組み合
わせた発電システムであり、熱エネルギーの高温域をガ
スタービンで、また、低温域を蒸気タービンでそれぞれ
分担して受持ち、熱エネルギーを有効に回収し、利用す
るようにしたものであり、近年特に脚光を浴びている発
電システムである。2. Description of the Related Art A combined cycle power plant is
This is a power generation system that combines a gas turbine plant and a steam turbine plant.The high-temperature area of thermal energy is shared by the gas turbine, and the low-temperature area is shared by the steam turbine. This is a power generation system that has been particularly spotlighted in recent years.

【０００３】このコンバインドサイクル発電プラントで
は、効率向上のための一つのポイントを、ガスタービン
の高温域を何処まで高め得るか、と言う点に置いて研究
開発が進められてきた。[0003] In this combined cycle power plant, research and development have been promoted with one point for improving efficiency as to how high the high temperature range of the gas turbine can be increased.

【０００４】一方、高温域の形成には、タービン構造体
の耐熱性の面から冷却システムを設けねばならず、この
冷却システムにおける冷却媒体としては従来から空気が
用いられて来た。On the other hand, a cooling system must be provided for the formation of a high temperature region in view of the heat resistance of the turbine structure, and air has conventionally been used as a cooling medium in this cooling system.

【０００５】しかし、冷却媒体として空気を用いる限
り、例え高温域を達成し得たとしても、冷却に要した空
気を自らの空気圧縮機で必要圧力迄昇圧するのに要した
動力損失と、また、高温ガスの通過するタービン流路内
に部品の冷却に使用した空気を最終的に混合させる事に
より平均ガス温度を低下させてガスの持つエネルギーを
低下せしめる結果になることとの両方を考慮すると、熱
効率のこれ以上の向上は期待できないところまで来てい
る。However, as long as air is used as the cooling medium, even if a high temperature range can be achieved, the power loss required to raise the air required for cooling to the required pressure by its own air compressor, and Considering both the fact that the air used for cooling the components is finally mixed into the turbine flow path through which the high-temperature gas passes, thereby lowering the average gas temperature and reducing the energy possessed by the gas. No further improvement in thermal efficiency can be expected.

【０００６】この問題点を解決し更に効率向上を図るべ
く、ガスタービンの冷却媒体として前記した空気に替え
て、蒸気を採用するものが提案されるに至った。[0006] In order to solve this problem and further improve the efficiency, it has been proposed to employ steam instead of the above-described air as a cooling medium for a gas turbine.

【０００７】一例として挙げれば、特開平０５−１６３
９６０号公報のものがある。しかしこの特開平０５−１
６３９６０号公報に開示されたものは、ガスタービンの
冷却媒体として蒸気を採用するという概念の開示はとも
かくとして、その細部においては工夫し解決しなければ
ならない課題が多数残されている。As an example, Japanese Patent Application Laid-Open No. 05-163
No. 960. However, Japanese Patent Application Laid-Open No. 05-1
JP-A-63960 discloses a concept that employs steam as a cooling medium for a gas turbine, aside from disclosing the concept, and there are many problems that need to be devised and solved in its details.

【０００８】例えば、ガスタービンの起動時又は停止時
には熱負荷が低く冷却する必要がないことによりガスタ
ービンの高温冷却部に冷却用の蒸気を流すようなものと
はなっていない。For example, when the gas turbine is started or stopped, the heat load is low and cooling is not required, so that the cooling steam is not supplied to the high-temperature cooling section of the gas turbine.

【０００９】他方、冷却蒸気に替わる冷却媒体として
は、ガスタービン圧縮機の圧縮空気があるだけなので、
もしこの起動時または停止時に前記ガスタービンの高温
冷却部を冷却する必要が生じた場合には、前記ガスター
ビン圧縮機の圧縮空気を転用するしか術はないものであ
る。On the other hand, the only cooling medium that replaces the cooling steam is the compressed air of the gas turbine compressor.
If it is necessary to cool the high-temperature cooling section of the gas turbine at the time of starting or stopping, the only option is to divert the compressed air of the gas turbine compressor.

【００１０】[0010]

【発明が解決しようとする課題】前記したように特開平
０５−１６３９６０号公報に開示されたものでは、ガス
タービン圧縮機の圧縮空気を転用する場合には、ガスタ
ービン車室の空気を抽気して本来の蒸気冷却系統に流す
こととなるので、この空気は配管、弁等を経由して行く
ことにより、当然のことながら圧力損失を生じる。As described above, in the apparatus disclosed in Japanese Patent Application Laid-Open No. 05-163960, when the compressed air of the gas turbine compressor is diverted, the air in the gas turbine casing is extracted. This air flows through the original steam cooling system, so that this air naturally goes through a pipe, a valve, etc., causing a pressure loss.

【００１１】しかし、ガスタービンの高温部品のなか
で、例えば最も高温となる燃焼器の場合、内部の圧力は
ガスタービン車室の空気圧力より若干低いだけであるの
で、前記のような空気冷却を行った場合、冷却通路内
で、燃焼器内部の燃焼場の圧力より低い空気圧力となる
ことが予想される。However, among the hot parts of the gas turbine, for example, in the case of the hottest combustor, the internal pressure is only slightly lower than the air pressure in the gas turbine casing, so that the air cooling as described above is performed. If performed, it is expected that the air pressure in the cooling passage will be lower than the pressure of the combustion field inside the combustor.

【００１２】この時、燃焼器の冷却構造に例えばピンホ
ールのような微小な穴があると、この穴を通じて圧力の
高い燃焼ガスが冷却通路内へ侵入し、燃焼器ならびに付
属する配管系統の局部加熱、焼損を引き起こすという可
能性がある。At this time, if a small hole such as a pinhole is formed in the cooling structure of the combustor, a high-pressure combustion gas enters the cooling passage through the hole, and a local portion of the combustor and the associated piping system is formed. It may cause heating and burning.

【００１３】本発明は、このような不具合の発生を防止
し、装置の安全を確保し、長期にわたって安定して作動
する装置を提供することを課題とするものである。An object of the present invention is to provide a device which prevents such a problem from occurring, ensures the safety of the device, and operates stably for a long period of time.

【００１４】[0014]

【課題を解決するための手段】本発明は前記課題を解決
するべくなされたもので、ガスタービンプラントと蒸気
タービンプラントとを組合せ、ガスタービンからの排熱
を利用して蒸気タービン駆動用蒸気を発生させる排熱回
収ボイラを備えるとともに、前記ガスタービンの高温被
冷却部を蒸気で冷却する蒸気冷却システムを設け、この
蒸気冷却システムからの過熱蒸気を蒸気タービンに回収
させるように構成したコンバインドサイクル発電プラン
トにおいて、プラント起動時または停止時等冷却蒸気が
不足する際に前記高温被冷却部の蒸気通路を圧縮機出口
空気により燃焼器内の圧力より高い圧力となるように加
圧する空気管路を前記蒸気通路に接続し空気により冷却
するコンバインドサイクル発電プラントを提供し、プラ
ントの起動、または停止時で供給される冷却蒸気が少な
いとき、その他の運転の都合で冷却蒸気が少なくなった
とき、更に、冷却の必要がなく冷却蒸気を供給しないと
き等に、蒸気通路を燃焼器内の圧力より高い圧力に保つ
ことにより燃焼器内から蒸気通路内へ侵入するものは無
いようにして、燃焼器ならびに付属する配管系統等を安
全に保護するものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a combination of a gas turbine plant and a steam turbine plant to generate steam for driving a steam turbine by utilizing exhaust heat from the gas turbine. Combined cycle power generation comprising an exhaust heat recovery boiler to be generated, a steam cooling system for cooling a high temperature cooled part of the gas turbine with steam, and a superheated steam from the steam cooling system is collected by the steam turbine. In the plant, when the cooling steam is insufficient such as at the time of starting or stopping the plant, the air passage for pressurizing the steam passage of the high-temperature cooled portion to a pressure higher than the pressure in the combustor by the compressor outlet air is used. Provide a combined cycle power plant that is connected to the steam passage and cooled by air. When the amount of cooling steam supplied during shutdown is low, when the amount of cooling steam is low due to other operations, or when cooling steam is not required because cooling is not required, the pressure in the steam passage is set to the pressure inside the combustor. By maintaining the pressure at a higher level, nothing enters the steam passage from inside the combustor, thereby safely protecting the combustor and the associated piping system.

【００１５】また、本発明は前記空気管路にブーストア
ップ加圧機を介装したコンバインド発電プラントを提供
し、このブーストアップ加圧機で空気管路即ち蒸気通路
の圧力を燃焼器内の圧力より高い圧力とし、かつこれを
維持することにより、前記同様に燃焼器ならびに付属す
る配管系統等を安全に保護するものである。Further, the present invention provides a combined power plant in which a boost-up pressurizer is interposed in the air line, and the pressure of the air line, that is, the steam passage is set higher than the pressure in the combustor by the boost-up pressurizer. By maintaining this, the combustor and the associated piping system and the like are safely protected in the same manner as described above.

【００１６】[0016]

【発明の実施の形態】本発明の実施の一形態を図１に基
づいて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIG.

【００１７】１は空気圧縮機、２はガスタービンで、同
空気圧縮機１とガスタービン２は共通の軸３で一体的に
連結されている。４は燃焼器で、胴部４ａと尾筒４ｂを
有しており、その周囲には高温被冷却部５を有してい
る。1 is an air compressor, 2 is a gas turbine, and the air compressor 1 and the gas turbine 2 are integrally connected by a common shaft 3. Reference numeral 4 denotes a combustor having a body 4a and a transition piece 4b, and a high-temperature cooled portion 5 around the combustor.

【００１８】６はタービン車室で、前記空気圧縮機１、
ガスタービン２及び燃焼器４の連結部を囲んでいる。７
は蒸気通路で、図示省略した蒸気源から開閉弁８を経て
供給される冷却蒸気を前記高温被冷却部５に導くように
構成されている。Reference numeral 6 denotes a turbine casing, and the air compressor 1,
It surrounds the connection between the gas turbine 2 and the combustor 4. 7
Is a steam passage, which is configured to guide cooling steam supplied from a steam source (not shown) via the on-off valve 8 to the high-temperature cooled portion 5.

【００１９】９は空気管路で、前記タービン車室６と前
記蒸気通路７とを連絡しており、その経路にブーストア
ップ加圧機１０と開閉弁１１を介装している。An air line 9 connects the turbine casing 6 and the steam passage 7, and a boost-up pressurizer 10 and an on-off valve 11 are interposed in the passage.

【００２０】なお、図１に示したのはコンバインドサイ
クル発電プラントの一部となるガスタービンプラントの
内の要部であり、ガスタービンプラントの全体、更に
は、蒸気タービンプラント及び排熱回収ボイラを含めて
コンバインドサイクル発電プラントの全貌については、
図示すること及び説明は省略した。FIG. 1 shows a main part of a gas turbine plant which is a part of a combined cycle power plant. The entire gas turbine plant, and further, a steam turbine plant and an exhaust heat recovery boiler are provided. For a complete picture of the combined cycle power plant, including
The illustration and description are omitted.

【００２１】前記したように構成された本実施の形態に
於いて、いま、ガスタービンの起動時又は停止時におい
ては、開閉弁８を閉じて冷却蒸気の供給経路を閉じ、開
閉弁１１を開いて空気管路９が前記タービン車室６と前
記蒸気通路７とを連通するようにし、空気圧縮機１から
タービン車室６へ供給される圧縮空気を燃焼器４の高温
被冷却部５に供給する。In this embodiment constructed as described above, when the gas turbine is started or stopped, the on-off valve 8 is closed to close the cooling steam supply path, and the on-off valve 11 is opened. The compressed air supplied from the air compressor 1 to the turbine casing 6 is supplied to the high-temperature cooled part 5 of the combustor 4 so that the air pipe 9 communicates the turbine casing 6 with the steam passage 7. I do.

【００２２】この時圧縮空気の供給経路に配設されたブ
ーストアップ加圧機１０で加圧するので、高温被冷却部
５に供給された圧縮空気は、空気圧縮機１からタービン
車室６へ供給された時より高い圧力になる。At this time, the compressed air supplied to the high temperature cooled portion 5 is supplied from the air compressor 1 to the turbine casing 6 because the pressure is increased by the boost-up pressurizing device 10 arranged in the compressed air supply path. Higher pressure than when.

【００２３】空気圧縮機１からタービン車室６を通り燃
焼器４へ供給される圧縮空気は、各供給経路での圧損に
より、直接タービン車室６の圧縮空気から燃焼器４へ供
給された空気の圧力より低くなるが、このタービン車室
６の圧縮空気を、ブーストアップ加圧機１０で更に加圧
することにより、燃焼器４の高温被冷却部５に供給する
圧縮空気の圧力は、燃焼器４内の圧力より、確実に、か
つ、十分に高い圧力に維持されることになる。The compressed air supplied from the air compressor 1 to the combustor 4 through the turbine casing 6 is directly supplied to the combustor 4 from the compressed air in the turbine casing 6 due to a pressure loss in each supply path. However, the pressure of the compressed air supplied to the high-temperature cooled part 5 of the combustor 4 is increased by further pressurizing the compressed air in the turbine casing 6 with the boost-up pressurizing machine 10. The pressure is surely maintained at a sufficiently higher pressure than the pressure of (1).

【００２４】従って、本実施の形態によれば、燃焼ガス
が高温被冷却部５や蒸気通路７を含む冷却通路内へ侵入
し、燃焼器４ならびに付属する配管系統の局部加熱、焼
損を引き起こすというおそれはないものである。Therefore, according to the present embodiment, the combustion gas enters the cooling passage including the high-temperature cooled portion 5 and the steam passage 7 and causes local heating and burning of the combustor 4 and the attached piping system. There is no fear.

【００２５】以上、本発明を図示の実施の形態について
説明したが、本発明はかかる実施の形態に限定されず、
本発明の範囲内でその具体的構造に種々の変更を加えて
よいことはいうまでもない。Although the present invention has been described with reference to the illustrated embodiment, the present invention is not limited to such an embodiment.
It goes without saying that various changes may be made to the specific structure within the scope of the present invention.

【００２６】[0026]

【発明の効果】以上、本発明によれば、ガスタービンの
起動または停止時等冷却蒸気が不足する際に、燃焼器な
らびに付属する配管系統を焼損から守り、長期間にわた
って安全に、かつ、安定して作動する装置を得ることが
出来たものであり、プラントの信頼性を格段に高めるこ
とが出来たものである。As described above, according to the present invention, when the cooling steam is insufficient such as when starting or stopping the gas turbine, the combustor and the attached piping system are protected from burning, and are safe and stable for a long period of time. Thus, it was possible to obtain a device that operates in the above-mentioned manner, and it was possible to significantly improve the reliability of the plant.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の実施の一形態に係わるガスタービンプ
ラントの要部を模式的に示す説明図。FIG. 1 is an explanatory view schematically showing a main part of a gas turbine plant according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１ 空気圧縮機 ２ ガスタービン ３ 軸 ４ 燃焼器 ５ 高温被冷却部 ６ タービン車室 ７ 蒸気通路 ８ 開閉弁 ９ 空気管路 １０ ブーストアップ加圧機 １１ 開閉弁 DESCRIPTION OF SYMBOLS 1 Air compressor 2 Gas turbine 3 Shaft 4 Combustor 5 High temperature cooled part 6 Turbine casing 7 Steam passage 8 On-off valve 9 Air pipeline 10 Boost up pressurizer 11 On-off valve

Claims (2)

【特許請求の範囲】[Claims] 【請求項１】 ガスタービンプラントと蒸気タービンプ
ラントとを組合せ、ガスタービンからの排熱を利用して
蒸気タービン駆動用蒸気を発生させる排熱回収ボイラを
備えるとともに、前記ガスタービンの高温被冷却部を蒸
気で冷却する蒸気冷却システムを設け、この蒸気冷却シ
ステムからの過熱蒸気を蒸気タービンに回収させるよう
に構成したコンバインドサイクル発電プラントにおい
て、プラント起動時または停止時等冷却蒸気が不足する
際に前記高温被冷却部の蒸気通路を圧縮機出口空気によ
り燃焼器内の圧力より高い圧力となるように加圧する空
気管路を前記蒸気通路に接続し空気により冷却すること
を特徴とするコンバインドサイクル発電プラント。An exhaust heat recovery boiler that combines a gas turbine plant and a steam turbine plant to generate steam for driving a steam turbine by using exhaust heat from the gas turbine, and a high-temperature cooled portion of the gas turbine. In a combined cycle power plant configured to provide a steam cooling system for cooling steam with steam, and superheated steam from the steam cooling system to be recovered by a steam turbine, when the cooling steam is insufficient such as at the time of starting or stopping the plant, A combined cycle power plant, wherein an air pipe for pressurizing a steam passage of a high-temperature cooled part to a pressure higher than a pressure in a combustor by compressor outlet air is connected to the steam passage and cooled by air. . 【請求項２】 前記空気管路にブーストアップ加圧機を
介装したことを特徴とする請求項１に記載のコンバイン
ドサイクル発電プラント。2. The combined cycle power plant according to claim 1, wherein a boost-up pressurizer is interposed in the air line.
JP19460196A 1996-07-24 1996-07-24 Combined cycle power plant Expired - Fee Related JP3825089B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP19460196A JP3825089B2 (en) 1996-07-24 1996-07-24 Combined cycle power plant
US09/381,611 US6311474B2 (en) 1996-07-24 1998-01-23 Combined cycle electric power plant
PCT/JP1998/000260 WO1999037900A1 (en) 1996-07-24 1998-01-23 Combined cycle electric power plant

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19460196A JP3825089B2 (en) 1996-07-24 1996-07-24 Combined cycle power plant
PCT/JP1998/000260 WO1999037900A1 (en) 1996-07-24 1998-01-23 Combined cycle electric power plant

Publications (2)

Publication Number Publication Date
JPH1037712A true JPH1037712A (en) 1998-02-10
JP3825089B2 JP3825089B2 (en) 2006-09-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP19460196A Expired - Fee Related JP3825089B2 (en) 1996-07-24 1996-07-24 Combined cycle power plant

Country Status (2)

Country Link
JP (1) JP3825089B2 (en)
WO (1) WO1999037900A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001263092A (en) * 2000-03-15 2001-09-26 Mitsubishi Heavy Ind Ltd Gas turbine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3068925B2 (en) * 1991-12-16 2000-07-24 東北電力株式会社 Combined cycle power plant
JPH0693879A (en) * 1992-09-11 1994-04-05 Hitachi Ltd Combined plant and operation thereof
JPH08319852A (en) * 1995-05-25 1996-12-03 Hitachi Ltd Gas turbine plant and its cooling method
JP3276276B2 (en) * 1995-11-24 2002-04-22 三菱重工業株式会社 Gas turbine cooling system

Also Published As

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WO1999037900A1 (en) 1999-07-29
JP3825089B2 (en) 2006-09-20

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