RU2010152280A - STEAM TURBINE STARTING METHOD - Google Patents

STEAM TURBINE STARTING METHOD Download PDF

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Publication number
RU2010152280A
RU2010152280A RU2010152280/06A RU2010152280A RU2010152280A RU 2010152280 A RU2010152280 A RU 2010152280A RU 2010152280/06 A RU2010152280/06 A RU 2010152280/06A RU 2010152280 A RU2010152280 A RU 2010152280A RU 2010152280 A RU2010152280 A RU 2010152280A
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RU
Russia
Prior art keywords
steam
section
steam turbine
inlet valve
pressure
Prior art date
Application number
RU2010152280/06A
Other languages
Russian (ru)
Inventor
Дилип САТЬЯНАРАЯНА (US)
Дилип САТЬЯНАРАЯНА
Стивен ДИПАЛМА (US)
Стивен ДИПАЛМА
Original Assignee
Дженерал Электрик Компани (US)
Дженерал Электрик Компани
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.)
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Application filed by Дженерал Электрик Компани (US), Дженерал Электрик Компани filed Critical Дженерал Электрик Компани (US)
Publication of RU2010152280A publication Critical patent/RU2010152280A/en

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Classifications

    • 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
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • F01D19/02—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith dependent on temperature of component parts, e.g. of turbine-casing
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/02—Arrangement of sensing elements
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
    • 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
    • F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/301—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00—Control
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/303—Temperature
    • F05D2270/3032—Temperature excessive temperatures, e.g. caused by overheating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)

Abstract

1. Способ (300, 400) запуска энергоустановки, включающий ! использование паровой турбины (100), выполненной с возможностью преобразования энергии пара в механический вращающий момент и содержащей секцию (120) высокого давления (ВД), и ! повышение давления пара перед впускным клапаном (115), расположенным перед секцией (120) ВД, до соответственного диапазона (315) давлений, ! причем при указанном повышении давления пара (115) снижается температура пара перед его впуском в секцию (120) ВД. ! 2. Способ (300, 400) по п.1, в котором инициируют запуск паровой турбины (330), если удовлетворено (325) разрешение на запуск. ! 3. Способ (300, 400) по п.2, в котором открывают впускной клапан (115) для обеспечения поступления пара в секцию (345) ВД. ! 4. Способ (300, 400) по п.2, в котором определяют, находится ли напряжение в роторе в допустимом диапазоне (350). ! 5. Способ (300, 400) по п.4, в котором поддерживают действующую нагрузку на паровую турбину до тех пор, пока напряжение в роторе не окажется в допустимом диапазоне (335). ! 6. Способ (300, 400) по п.5, в котором уменьшают давление пара перед впускным клапаном (115, 360). ! 7. Способ (300, 400) по п.6, в котором повышают температуру пара в зоне (125) входного раструба ВД секции (365) ВД. ! 8. Способ (300, 400) по п.5, в котором повышают температуру пара в зоне (125) входного раструба ВД секции (460) ВД. ! 9. Способ (300, 400) по п.8, в котором уменьшают давление пара перед впускным клапаном (115, 465). ! 10. Способ (300, 400) запуска энергоустановки, содержащей паровую турбину (100), включающий ! использование паровой турбины (100), выполненной с возможностью преобразования энергии пара в механический вращающий момент и содержащей секцию (120) высокого давления (ВД) и перепускное устройство (110), ! 1. Method (300, 400) for starting a power plant, including! using a steam turbine (100) capable of converting steam energy into mechanical torque and containing a high pressure (HP) section (120), and! increase in the steam pressure upstream of the inlet valve (115) located upstream of the HP section (120) to the corresponding pressure range (315),! moreover, at the specified increase in the pressure of the steam (115), the temperature of the steam before its inlet into the HP section (120) decreases. ! 2. The method (300, 400) of claim 1, wherein the start of the steam turbine (330) is initiated if the start permit is satisfied (325). ! 3. The method (300, 400) of claim 2, wherein the inlet valve (115) is opened to allow steam to enter the HP section (345). ! 4. A method (300, 400) according to claim 2, wherein it is determined whether the voltage in the rotor is within an acceptable range (350). ! 5. The method (300, 400) according to claim 4, wherein the effective load on the steam turbine is maintained until the voltage in the rotor is within the allowable range (335). ! 6. A method (300, 400) according to claim 5, wherein the vapor pressure upstream of the inlet valve (115, 360) is reduced. ! 7. A method (300, 400) according to claim 6, wherein the steam temperature in the zone (125) of the HP inlet of the HP section (365) is increased. ! 8. The method (300, 400) according to claim 5, wherein the temperature of the steam in the zone (125) of the HP inlet of the HP section (460) is increased. ! 9. A method (300, 400) according to claim 8, wherein the vapor pressure upstream of the inlet valve (115, 465) is reduced. ! 10. Method (300, 400) for starting a power plant containing a steam turbine (100), including! the use of a steam turbine (100) capable of converting steam energy into mechanical torque and containing a high pressure (HP) section (120) and a bypass device (110),!

Claims (10)

1. Способ (300, 400) запуска энергоустановки, включающий1. The method (300, 400) of starting a power plant, including использование паровой турбины (100), выполненной с возможностью преобразования энергии пара в механический вращающий момент и содержащей секцию (120) высокого давления (ВД), иthe use of a steam turbine (100), configured to convert steam energy into mechanical torque and containing a section (120) high pressure (HP), and повышение давления пара перед впускным клапаном (115), расположенным перед секцией (120) ВД, до соответственного диапазона (315) давлений,increasing the steam pressure in front of the inlet valve (115) located in front of the HP section (120) to the corresponding pressure range (315), причем при указанном повышении давления пара (115) снижается температура пара перед его впуском в секцию (120) ВД.moreover, with the indicated increase in vapor pressure (115), the temperature of the vapor decreases before it is inlet into the HP section (120). 2. Способ (300, 400) по п.1, в котором инициируют запуск паровой турбины (330), если удовлетворено (325) разрешение на запуск.2. The method (300, 400) according to claim 1, wherein initiating the start of the steam turbine (330), if the permission to start is satisfied (325). 3. Способ (300, 400) по п.2, в котором открывают впускной клапан (115) для обеспечения поступления пара в секцию (345) ВД.3. The method (300, 400) according to claim 2, in which the inlet valve (115) is opened to provide steam to the VD section (345). 4. Способ (300, 400) по п.2, в котором определяют, находится ли напряжение в роторе в допустимом диапазоне (350).4. The method (300, 400) according to claim 2, in which it is determined whether the voltage in the rotor is in the allowable range (350). 5. Способ (300, 400) по п.4, в котором поддерживают действующую нагрузку на паровую турбину до тех пор, пока напряжение в роторе не окажется в допустимом диапазоне (335).5. The method (300, 400) according to claim 4, in which the current load on the steam turbine is maintained until the voltage in the rotor is within the permissible range (335). 6. Способ (300, 400) по п.5, в котором уменьшают давление пара перед впускным клапаном (115, 360).6. The method (300, 400) according to claim 5, in which the vapor pressure in front of the inlet valve (115, 360) is reduced. 7. Способ (300, 400) по п.6, в котором повышают температуру пара в зоне (125) входного раструба ВД секции (365) ВД.7. The method (300, 400) according to claim 6, in which the temperature of the steam is increased in the zone (125) of the inlet socket of the VD section (365) of the VD. 8. Способ (300, 400) по п.5, в котором повышают температуру пара в зоне (125) входного раструба ВД секции (460) ВД.8. The method (300, 400) according to claim 5, in which the temperature of the steam is increased in the zone (125) of the inlet socket of the VD section (460) of the VD. 9. Способ (300, 400) по п.8, в котором уменьшают давление пара перед впускным клапаном (115, 465).9. The method (300, 400) of claim 8, in which the vapor pressure in front of the inlet valve (115, 465) is reduced. 10. Способ (300, 400) запуска энергоустановки, содержащей паровую турбину (100), включающий10. A method (300, 400) for starting a power plant comprising a steam turbine (100), including использование паровой турбины (100), выполненной с возможностью преобразования энергии пара в механический вращающий момент и содержащей секцию (120) высокого давления (ВД) и перепускное устройство (110),the use of a steam turbine (100), configured to convert steam energy into mechanical torque and comprising a high pressure (HP) section (120) and a bypass device (110), определение, запрошен (410) ли холодный старт паровой турбины,determination of whether a cold start of a steam turbine is requested (410), повышение давления пара перед впускным клапаном (115), расположенным перед секцией (120) ВД, до соответственного диапазона (415) давлений,increasing the steam pressure in front of the inlet valve (115) located in front of the HP section (120) to the corresponding pressure range (415), определение, находится ли давление пара перед впускным клапаном (115) в соответствующем диапазоне (420) давлений,determining whether the vapor pressure in front of the intake valve (115) is in the corresponding pressure range (420), инициирование запуска паровой турбины (430), если удовлетворено (425) разрешение на запуск, иinitiating the start of the steam turbine (430), if the permission to start is satisfied (425), and регулирование впускного клапана (115) с обеспечением возможности прохождения пара в секцию (120) ВД, (440, 445),regulation of the inlet valve (115) with the possibility of steam passing into the section (120) VD, (440, 445), причем при указанном повышении давления пара снижается температура пара перед его прохождением в секцию (120) ВД. moreover, with the indicated increase in vapor pressure, the temperature of the vapor decreases before it passes into the section (120) VD.
RU2010152280/06A 2009-12-23 2010-12-21 STEAM TURBINE STARTING METHOD RU2010152280A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/646,201 US20110146276A1 (en) 2009-12-23 2009-12-23 Method of starting a steam turbine
US12/646,201 2009-12-23

Publications (1)

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RU2010152280A true RU2010152280A (en) 2012-06-27

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US (1) US20110146276A1 (en)
JP (1) JP2011132951A (en)
DE (1) DE102010061449A1 (en)
GB (1) GB2476553A (en)
RU (1) RU2010152280A (en)

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US20110146276A1 (en) 2011-06-23
JP2011132951A (en) 2011-07-07
GB201020966D0 (en) 2011-01-26
DE102010061449A1 (en) 2011-06-30
GB2476553A (en) 2011-06-29

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