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1. WO2012131575 - A METHOD TO START UP A COMBINED CYCLE THERMAL PLANT FOR ENERGY PRODUCTION FROM AN OFF-STATE TO AN OPERATIONAL STATE

Publication Number WO/2012/131575
Publication Date 04.10.2012
International Application No. PCT/IB2012/051450
International Filing Date 27.03.2012
IPC
F01K 13/02 2006.01
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
13General layout or general methods of operation, of complete steam engine plants
02Controlling, e.g. stopping or starting
F01K 23/10 2006.01
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
23Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
02the engine cycles being thermally coupled
06combustion heat from one cycle heating the fluid in another cycle
10with exhaust fluid of one cycle heating the fluid in another cycle
F22B 1/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
22STEAM GENERATION
BMETHODS OF STEAM GENERATION; STEAM BOILERS
1Methods of steam generation characterised by form of heating method
02by exploitation of the heat content of hot heat carriers
18the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
F01D 19/02 2006.01
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
19Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
02dependent on temperature of component parts, e.g. of turbine casing
F22B 35/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
22STEAM GENERATION
BMETHODS OF STEAM GENERATION; STEAM BOILERS
35Control systems for steam boilers
06for steam boilers of forced-flow type
14during the starting-up periods, i.e. during the periods between the lighting of the furnaces and the attainment of the normal operating temperature of the steam boilers
F22B 35/18 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
22STEAM GENERATION
BMETHODS OF STEAM GENERATION; STEAM BOILERS
35Control systems for steam boilers
18Applications of computers to steam-boiler control
CPC
F01D 19/02
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
19Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
02dependent on temperature of component parts, e.g. of turbine-casing
F01K 13/02
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
13General layout or general methods of operation of complete plants
02Controlling, e.g. stopping or starting
F01K 23/10
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
23Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
02the engine cycles being thermally coupled
06combustion heat from one cycle heating the fluid in another cycle
10with exhaust fluid of one cycle heating the fluid in another cycle
F01K 23/101
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
23Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
02the engine cycles being thermally coupled
06combustion heat from one cycle heating the fluid in another cycle
10with exhaust fluid of one cycle heating the fluid in another cycle
101Regulating means specially adapted therefor
F01K 7/16
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
F22B 1/1815
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
22STEAM GENERATION
BMETHODS OF STEAM GENERATION; STEAM BOILERS
1Methods of steam generation characterised by form of heating method
02by exploitation of the heat content of hot heat carriers
18the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
1807using the exhaust gases of combustion engines
1815using the exhaust gases of gas-turbines
Applicants
  • STAMICARBON B.V. [NL]/[NL] (AllExceptUS)
  • PASQUALON, Ezio [IT]/[NL] (UsOnly)
Inventors
  • PASQUALON, Ezio
Agents
  • JANSEN, C.M.
Priority Data
MI2011A00049828.03.2011IT
MI2011A00052030.03.2011IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) A METHOD TO START UP A COMBINED CYCLE THERMAL PLANT FOR ENERGY PRODUCTION FROM AN OFF-STATE TO AN OPERATIONAL STATE
(FR) PROCÉDÉ DE DÉMARRAGE D'UNE CENTRALE THERMIQUE À CYCLE COMBINÉ À DES FINS DE PRODUCTION D'ÉNERGIE ÉLECTRIQUE D'UN ÉTAT BLOQUÉ À UN ÉTAT OPÉRATIONNEL
Abstract
(EN)
To start a combined cycle thermal plant for energy- production from an off -state to an operational state, once the minimum warm-up time of the steam turbine (ST) having been set, as well as the pressure of the warm-up steam, it is necessary to determine the steam optimum temperature to avoid stressing or straining the mechanical parts of the turbine itself.
(FR)
L'invention concerne un procédé de démarrage d'une centrale thermique à cycle combiné à des fins de production d'énergie électrique d'un état bloqué à un état opérationnel; une fois que le temps minimum de mise en route de la turbine à vapeur (ST) a été réglé, de même que la pression de la vapeur de mise en route, il est nécessaire de déterminer la température optimale de la vapeur pour éviter une mise sous contrainte ou des efforts sur les parties mécaniques de la turbine elle-même.
Also published as
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