Processing

Please wait...

Settings

Settings

Goto Application

1. EP3553286 - STEAM TURBINE, PARTITION MEMBER, AND METHOD FOR OPERATING STEAM TURBINE

Office
European Patent Office
Application Number 17895566
Application Date 10.02.2017
Publication Number 3553286
Publication Date 16.10.2019
Publication Kind B1
IPC
F01K 7/38
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
34the engines being of extraction or non-condensing type; Use of steam for feed-water heating
38the engines being of turbine type
F01D 1/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
1Non-positive-displacement machines or engines, e.g. steam turbines
02with stationary working-fluid guiding means and bladed or like rotor
F01D 25/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
F01D 25/24
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
25Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
24Casings; Casing parts, e.g. diaphragms, casing fastenings
F01K 7/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
16the engines being only of turbine type
18the turbine being of multiple-inlet-pressure type
20Control means specially adapted therefor
F01K 7/34
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
34the engines being of extraction or non-condensing type; Use of steam for feed-water heating
CPC
F01K 7/38
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine
34the engines being of extraction or non-condensing type; Use of steam for feed-water heating
38the engines being of turbine type
F01K 7/20
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine
16the engines being only of turbine type
18the turbine being of multiple-inlet-pressure type
20Control means specially adapted therefor
F01K 7/345
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
7Steam engine plants characterised by the use of specific types of engine
34the engines being of extraction or non-condensing type; Use of steam for feed-water heating
345Control or safety-means particular thereto
F01D 17/145
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
17Regulating or controlling by varying flow
10Final actuators
12arranged in stator parts
14varying effective cross-sectional area of nozzles or guide conduits
141by means of shiftable members or valves obturating part of the flow path
145by means of valves, e.g. for steam turbines
F05D 2220/31
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2220Application
30in turbines
31in steam turbines
F05D 2260/606
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2260Function
60Fluid transfer
606Bypassing the fluid
Applicants MITSUBISHI HEAVY IND COMPRESSOR CORP
Inventors KAWASHIMA HIROKAZU
Designated States
Title
(DE) DAMPFTURBINE, TRENNTEIL UND VERFAHREN ZUM BETRIEB EINER DAMPFTURBINE
(EN) STEAM TURBINE, PARTITION MEMBER, AND METHOD FOR OPERATING STEAM TURBINE
(FR) TURBINE À VAPEUR, ÉLÉMENT DE SÉPARATION ET PROCÉDÉ DE FONCTIONNEMENT D'UNE TURBINE À VAPEUR
Abstract
(EN) There is provided a steam turbine that has a configuration in which a pressure regulation valve is disposed in a region including outer peripheral side relative to a partition section and makes it possible to achieve downsizing. A steam turbine 1 includes a partition plate 10 that partitions a high-pressure stage 101 and a low-pressure stage 102, and a pressure regulation valve 30 configured to regulate pressure of extraction steam or pressure of steam to be mixed. The pressure regulation valve 30 includes a plurality of flow rate regulation valves V1 to V5 that are located on outer peripheral side relative to the partition plate 10 and to which steam is guided from the high-pressure stage 101 side relative to the partition plate 10, and a plurality of flow path compartment 31 to 35 that respectively correspond to the plurality of flow rate regulation valves V1 to V5 and communicate with the low-pressure stage 102 side relative to the partition plate 10. The plurality of flow path compartments 31 to 35 are arranged over the entire partition plate 10 in a circumferential direction in a region including the outer peripheral side relative to the partition plate 10 as a whole. The partition plate 10 includes a bypass passage 18 that makes the high-pressure stage 101 side and the low-pressure stage 102 side communicate with each other without passing through the pressure regulation valve 30.
(FR) L'invention concerne une turbine à vapeur avec laquelle une miniaturisation peut être obtenue à l'aide d'une configuration dans laquelle une soupape de régulation de pression est disposée dans une région comprenant un côté périphérique externe par rapport à une section de séparation. La turbine à vapeur (1) est pourvue: d'une plaque de séparation (10) qui sépare un étage haute pression (101) et un étage basse pression (102); et d'une soupape de régulation de pression (30) apte à réguler la pression de vapeur extraite ou la pression de vapeur mélangée. La soupape de régulation de pression (30) a une pluralité de soupapes de régulation de quantité d'écoulement (V1 à V5) positionnées sur le côté périphérique externe par rapport à la plaque de séparation (10) et alimentées en vapeur depuis le côté étage haute pression (101) par rapport à la plaque de séparation (10), et a une pluralité de compartiments de trajet d'écoulement (31 à 35) correspondant respectivement à la pluralité de soupapes de régulation de quantité d'écoulement (V1 à V5) et communiquant avec le côté étage basse pression (102) par rapport à la plaque de partition (10). La pluralité de compartiments de trajet d'écoulement (31 à 35) dans son ensemble est disposé autour de toute la circonférence de la plaque de séparation (10) dans une région comprenant le côté périphérique externe par rapport à la plaque de séparation (10). La plaque de séparation (10) est pourvue d'un passage de dérivation (18) qui assure la communication entre le côté étage haute pression (101) et le côté étage basse pression (102) sans passer à travers la soupape de régulation de pression (30).
Related patent documents