WO1999037900A1 - Fil frise composite - Google Patents

Fil frise composite Download PDF

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Publication number
WO1999037900A1
WO1999037900A1 PCT/JP1998/000260 JP9800260W WO9937900A1 WO 1999037900 A1 WO1999037900 A1 WO 1999037900A1 JP 9800260 W JP9800260 W JP 9800260W WO 9937900 A1 WO9937900 A1 WO 9937900A1
Authority
WO
WIPO (PCT)
Prior art keywords
steam
cooling
air
plant
combustor
Prior art date
Application number
PCT/JP1998/000260
Other languages
English (en)
Japanese (ja)
Inventor
Akimasa Muyama
Jun Yasuraoka
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
Priority to JP19460196A priority Critical patent/JP3825089B2/ja
Application filed by Mitsubishi Heavy Industries, Ltd. filed Critical Mitsubishi Heavy Industries, Ltd.
Priority to US09/381,611 priority patent/US6311474B2/en
Priority to CA002284491A priority patent/CA2284491C/fr
Priority to DE19882185T priority patent/DE19882185T1/de
Priority to PCT/JP1998/000260 priority patent/WO1999037900A1/fr
Publication of WO1999037900A1 publication Critical patent/WO1999037900A1/fr

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]

Definitions

  • the present invention relates to a combined cycle power generation plant combining a gas bin and a steam bin.
  • the combined cycle power generation plant is a power generation system that combines a gas evening bin plant and a steam evening bin plant.
  • the high-temperature region of thermal energy is assigned to the gas turbine, and the low-temperature region is assigned to the steam turbine. It is a system that effectively collects and uses thermal energy, and is a power generation system that has been particularly spotlighted in recent years.
  • R & D has been promoted in terms of one point for improving efficiency, which is how high the high-temperature region of the gas bottle can be increased.
  • a cooling system must be provided for the formation of the high-temperature region in view of the heat resistance of the evening bottle structure, and air has been used as a cooling medium in this cooling system.
  • the heat load is low and there is no need for cooling, so there is no way to flow cooling steam through the high-temperature cooling section of the gas turbine.
  • the only cooling medium that replaces the cooling steam is the compressed air of the gas bin bin compressor, if it is necessary to cool the high-temperature cooling part of the gas bin bin at the start or stop, In this method, there is no alternative but to divert the compressed air of the gas turbine compressor.
  • the internal pressure is only slightly lower than the air pressure of the gas evening bin cabin.
  • air cooling it is expected that the air pressure in the cooling passage will be lower than the pressure of the combustion field inside the combustor.
  • An object of the present invention is to provide a device that prevents such a problem from occurring, ensures the safety of the device, and operates stably for a long period of time. Disclosure of the invention
  • a gas turbine plant is combined with a steam turbine bin plant, and the exhaust gas for generating steam for driving a steam turbine using the exhaust heat from the gas turbine.
  • a combined cycle power plant configured to allow superheated steam from a steam to be recovered by a steam turbine, when the cooling steam is insufficient, such as when the plant is started or stopped, the steam passage of the high-temperature cooled part is compressed by the compressor outlet air.
  • a combined cycle power plant that connects an air line pressurized to a pressure higher than the pressure in the combustor to the steam passage and cools it with air.Cooling supplied when the plant is started or stopped By keeping the steam passage at a pressure higher than the pressure in the combustor when the steam is low, when the cooling steam is low due to other operations, or when cooling steam is not required because cooling is not required. There is nothing to enter the steam passage from inside the combustor, and it protects the combustor and the attached piping system safely. That.
  • the present invention provides a combined power plant in which a boost-up pressurizing machine 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 pressurizing machine.
  • FIG. 1 is an explanatory diagram schematically showing a main part of a gas bottle bin according to an embodiment of the present invention.
  • Reference numeral 4 denotes a combustor having a body 4a and a transition piece 4b, and a high-temperature cooled part 5 around the body 4a.
  • Reference numeral 6 denotes a turbine casing, which surrounds a connection between the air compressor 1, the gas bin 2 and the combustor 4.
  • Reference numeral 7 denotes a steam passage, which is configured to guide cooling steam supplied from a steam source (not shown) via an on-off valve 8 to the high-temperature cooled portion 5.
  • Reference numeral 9 denotes an air pipe, which communicates the turbine casing 6 with the steam passage 7, and in which a boost-up pressurizer 10 and an on-off valve 11 are interposed.
  • Fig. 1 shows the main part of the gas turbine plant that is a part of the combined cycle power plant, and the entire gas turbine plant, as well as the steam turbine plant and the exhaust heat recovery boiler. Illustrations and explanations of the entire combined cycle power plant, including that of the plant, are omitted.
  • the on-off valve 8 when the gas bin 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 air line 9 communicates the evening bin 6 with the steam passage 7, and the compressed air supplied from the air compressor 1 to the turbine casing 6 is cooled by a high-temperature portion of the combustor 4.
  • Supply 5
  • the compressed air supplied to the high-temperature cooled part 5 is supplied to the turbine casing 6 from the air compressor 1 because the compressed air supplied to the high-temperature cooled part 5 is pressurized by the booster press 10 provided in the supply path of the compressed air. Higher pressure.
  • the compressed air supplied to the combustor 4 from the air compressor 1 through the evening bin cabin 6 is directly supplied to the combustor 4 from the compressed air in the turbine cabin 6 due to the pressure loss in each supply path.
  • Compressed air supplied to the hot cooled part 5 of the combustor 4 by further pressurizing the compressed air in the bin 6 Is reliably and sufficiently maintained higher than the pressure in the combustor 4.
  • 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. Not something.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un fil frisé composite comprenant entre 50 et 90 % en poids de filaments de cellulose et de filaments de fibre synthétique et ayant un pourcentage d'allongement de frisure compris entre 0,1 et 4,0 %. L'invention concerne en outre un tricot trame comprenant les fils frisés composites ne présentant pas sensiblement d'étapes de trame, ayant un aspect de qualité, une brillance et une sensation au toucher de filaments de cellules et des propriétés d'excellente résistance au retrait et des propriétés de fixage de manière que ce tricot trame puisse servir à la confection de vêtements tels les sous-vêtements, les vêtements de sports et autres tenues qui nécessitent une excellente résistance au mouillé, une stabilité dimensionnelle et une qualité du tricot.
PCT/JP1998/000260 1996-07-24 1998-01-23 Fil frise composite WO1999037900A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP19460196A JP3825089B2 (ja) 1996-07-24 1996-07-24 コンバインドサイクル発電プラント
US09/381,611 US6311474B2 (en) 1996-07-24 1998-01-23 Combined cycle electric power plant
CA002284491A CA2284491C (fr) 1998-01-23 1998-01-23 Fil frise composite
DE19882185T DE19882185T1 (de) 1998-01-23 1998-01-23 Gas- und Dampfturbinen-Kraftwerk
PCT/JP1998/000260 WO1999037900A1 (fr) 1996-07-24 1998-01-23 Fil frise composite

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19460196A JP3825089B2 (ja) 1996-07-24 1996-07-24 コンバインドサイクル発電プラント
PCT/JP1998/000260 WO1999037900A1 (fr) 1996-07-24 1998-01-23 Fil frise composite

Publications (1)

Publication Number Publication Date
WO1999037900A1 true WO1999037900A1 (fr) 1999-07-29

Family

ID=26439125

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/000260 WO1999037900A1 (fr) 1996-07-24 1998-01-23 Fil frise composite

Country Status (2)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1134382A3 (fr) * 2000-03-15 2003-05-28 Mitsubishi Heavy Industries, Ltd. Turbine à gaz

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05163960A (ja) * 1991-12-16 1993-06-29 Tohoku Electric Power Co Inc コンバインドサイクル発電プラント
JPH0693879A (ja) * 1992-09-11 1994-04-05 Hitachi Ltd コンバインドプラント及びその運転方法
JPH08319852A (ja) * 1995-05-25 1996-12-03 Hitachi Ltd ガスタービンプラントおよびガスタービンプラントの冷却方法
JPH09144566A (ja) * 1995-11-24 1997-06-03 Mitsubishi Heavy Ind Ltd ガスタービンの冷却装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05163960A (ja) * 1991-12-16 1993-06-29 Tohoku Electric Power Co Inc コンバインドサイクル発電プラント
JPH0693879A (ja) * 1992-09-11 1994-04-05 Hitachi Ltd コンバインドプラント及びその運転方法
JPH08319852A (ja) * 1995-05-25 1996-12-03 Hitachi Ltd ガスタービンプラントおよびガスタービンプラントの冷却方法
JPH09144566A (ja) * 1995-11-24 1997-06-03 Mitsubishi Heavy Ind Ltd ガスタービンの冷却装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1134382A3 (fr) * 2000-03-15 2003-05-28 Mitsubishi Heavy Industries, Ltd. Turbine à gaz

Also Published As

Publication number Publication date
JP3825089B2 (ja) 2006-09-20
JPH1037712A (ja) 1998-02-10

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