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RU2017124840A - METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION Download PDF

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Publication number
RU2017124840A
RU2017124840A RU2017124840A RU2017124840A RU2017124840A RU 2017124840 A RU2017124840 A RU 2017124840A RU 2017124840 A RU2017124840 A RU 2017124840A RU 2017124840 A RU2017124840 A RU 2017124840A RU 2017124840 A RU2017124840 A RU 2017124840A
Authority
RU
Russia
Prior art keywords
turbine
steam
thermal power
power plant
fan
Prior art date
Application number
RU2017124840A
Other languages
Russian (ru)
Other versions
RU2017124840A3 (en
Inventor
Владимир Алексеевич Федотов
Original Assignee
Владимир Алексеевич Федотов
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 Владимир Алексеевич Федотов filed Critical Владимир Алексеевич Федотов
Priority to RU2017124840A priority Critical patent/RU2017124840A/en
Priority to PCT/RU2018/000031 priority patent/WO2019013669A1/en
Priority to DE112018003573.5T priority patent/DE112018003573T5/en
Publication of RU2017124840A3 publication Critical patent/RU2017124840A3/ru
Publication of RU2017124840A publication Critical patent/RU2017124840A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00Steam 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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16Steam 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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/22Steam 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 the engines being only of turbine type the turbines having inter-stage steam heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K19/00Regenerating or otherwise treating steam exhausted from steam engine plant
    • F01K19/02Regenerating by compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K13/00General layout or general methods of operation of complete plants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K3/00Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/006Accumulators and steam compressors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01KSTEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K9/00Plants characterised by condensers arranged or modified to co-operate with the engines

Landscapes

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

Claims (9)

1. Способ увеличения КПД тепловой электростанции посредством увеличения давления ненасыщенного пара с последующим его перегревом и направлением в турбину, отличающийся тем, что после полной отработки во всех цилиндрах турбины, пар направляют в конденсатор, в котором посредством вентилятора увеличивают давление выше давления насыщения и прекращают циркуляцию охлаждающей воды за счет чего переводят пар в жидкую фазу с сохранением теплоты конденсации пара в цикле.1. A method of increasing the efficiency of a thermal power plant by increasing the pressure of unsaturated steam, followed by its overheating and sending it to the turbine, characterized in that after full exhaustion in all cylinders of the turbine, the steam is sent to a condenser, in which by means of a fan increase the pressure above the saturation pressure and stop circulation cooling water due to which steam is transferred to the liquid phase while maintaining the heat of condensation of the steam in the cycle. 2. Способ по п. 1, отличающийся тем, что после запуска существующего цикла, и достижения вращения турбины с рабочей частотой, обеспечивающей номинальные параметры отработанного пара плавно уменьшают расход охлаждающей воды до полного прекращения ее циркуляции с одновременным увеличением посредством вентилятора давления в конденсаторе и получения эффекта саморегулируемости процесса конденсации.2. The method according to p. 1, characterized in that after starting the existing cycle and achieving the rotation of the turbine with an operating frequency that provides the nominal parameters of the exhaust steam, the cooling water flow is gradually reduced until its circulation is completely stopped, while the pressure in the condenser is increased by a fan and the effect of self-regulation of the condensation process. 3. Способ по п. 1, отличающийся тем, что расчет конфигурации лопастей вентилятора ведут также как для лопаток турбины, исходя из непрерывности потока пара, на основании расчета теплового баланса парового котла, с учетом повышенной температуры воды на его входе.3. The method according to p. 1, characterized in that the configuration of the fan blades is also the same as for the turbine blades, based on the continuity of the steam flow, based on the calculation of the heat balance of the steam boiler, taking into account the increased temperature of the water at its inlet. 4. Способ по п. 1, отличающийся тем, что расчет передаточной функции воздействующей на уменьшение подачи топлива в паровой котел ведут с учетом транспортной задержки.4. The method according to p. 1, characterized in that the calculation of the transfer function acting to reduce the fuel supply to the steam boiler is carried out taking into account the transport delay. 5. Способ по п. 1, отличающийся тем, модернизацию действующих тепловых электростанций по замене на последнем венце турбины лопаток на лопасти вентилятора ведут в период планово-профилактического ремонта.5. The method according to p. 1, characterized in that the modernization of existing thermal power plants to replace the blades on the last rim of the turbine on the fan blades is carried out during the period of scheduled maintenance. 6. Тепловая электростанция, включающая устройство для увеличения давления ненасыщенного пара с последующим его перегревом и направлением в турбину, отличающаяся тем, что на последнем венце вместо лопаток на валу турбины всех цилиндров низкого давления установлены лопасти вентилятора, необходимой конфигурации и сопла.6. Thermal power plant, including a device for increasing the pressure of unsaturated steam with its subsequent overheating and sending it to the turbine, characterized in that instead of blades on the turbine shaft of the turbine shaft of all low-pressure cylinders, fan blades of the required configuration and nozzles are installed. 7. Тепловая электростанция по п. 6, отличающаяся тем, что вентилятор с приводом от собственного электродвигателя, расположенного на входном патрубке конденсатора.7. Thermal power plant according to claim 6, characterized in that the fan is driven by its own electric motor located on the inlet pipe of the capacitor. 8. Тепловая электростанция по п. 6, отличающаяся тем, что вентилятор интегрирован с последними ступенями турбины.8. Thermal power plant according to claim 6, characterized in that the fan is integrated with the last stages of the turbine. 9. Тепловая электростанция по п. 6, отличающаяся тем, что конструктивные элементы вентиляторных лопастей изготовлены по технологии и из материалов, как и для лопаток турбины.9. Thermal power plant according to claim 6, characterized in that the structural elements of the fan blades are made by technology and from materials, as well as for turbine blades.
RU2017124840A 2017-07-12 2017-07-12 METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION RU2017124840A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
RU2017124840A RU2017124840A (en) 2017-07-12 2017-07-12 METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION
PCT/RU2018/000031 WO2019013669A1 (en) 2017-07-12 2018-01-25 Method for increasing energy conversion efficiency of thermal power plant and device for carrying out said method
DE112018003573.5T DE112018003573T5 (en) 2017-07-12 2018-01-25 Method for increasing the efficiency of a thermal power plant and a device for carrying it out

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2017124840A RU2017124840A (en) 2017-07-12 2017-07-12 METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION

Publications (2)

Publication Number Publication Date
RU2017124840A3 RU2017124840A3 (en) 2019-01-15
RU2017124840A true RU2017124840A (en) 2019-01-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2017124840A RU2017124840A (en) 2017-07-12 2017-07-12 METHOD FOR INCREASING EFFICIENCY OF THERMAL POWER PLANT AND DEVICE FOR ITS IMPLEMENTATION

Country Status (3)

Country Link
DE (1) DE112018003573T5 (en)
RU (1) RU2017124840A (en)
WO (1) WO2019013669A1 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2652243C (en) * 2006-05-15 2015-02-17 Newcastle Innovation Limited A method and system for generating power from a heat source

Also Published As

Publication number Publication date
RU2017124840A3 (en) 2019-01-15
DE112018003573T5 (en) 2020-03-26
WO2019013669A1 (en) 2019-01-17

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