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RU2012119524A - SYSTEM OF ACCUMULATION OF THERMOELECTRIC ENERGY WITH INTEGRATED HEAT EXCHANGER AND METHOD FOR ACCUMULATION OF THERMOELECTRIC ENERGY - Google Patents

SYSTEM OF ACCUMULATION OF THERMOELECTRIC ENERGY WITH INTEGRATED HEAT EXCHANGER AND METHOD FOR ACCUMULATION OF THERMOELECTRIC ENERGY Download PDF

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Publication number
RU2012119524A
RU2012119524A RU2012119524/06A RU2012119524A RU2012119524A RU 2012119524 A RU2012119524 A RU 2012119524A RU 2012119524/06 A RU2012119524/06 A RU 2012119524/06A RU 2012119524 A RU2012119524 A RU 2012119524A RU 2012119524 A RU2012119524 A RU 2012119524A
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Russia
Prior art keywords
heat exchanger
working fluid
heat
during
cycle
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RU2012119524/06A
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Russian (ru)
Inventor
Мехмет МЕРКАНГОЕЦ
Ярослав ХЕМРЛЕ
Лилиан КАУФМАНН
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Абб Рисерч Лтд
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Publication of RU2012119524A publication Critical patent/RU2012119524A/en

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    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/12—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having two or more accumulators
    • 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
    • F01K11/00—Plants characterised by the engines being structurally combined with boilers or condensers
    • F01K11/04—Plants characterised by the engines being structurally combined with boilers or condensers the boilers or condensers being rotated in use
    • 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
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/006—Accumulators and steam compressors

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

Abstract

1. Система аккумулирования термоэлектрической энергии, имеющая цикл зарядки (10) для снабжения тепловой энергией теплового аккумулятора и цикл разрядки (26) для выработки электроэнергии путем извлечения тепловой энергии из теплового аккумулятора, содержащая:контур рабочей жидкости для циркуляции рабочей жидкости через первый теплообменник (18) и второй теплообменник (20),контур теплоаккумулирующей среды для циркуляции теплоаккумулирующей среды, причем контур теплоаккумулирующей среды включает в себя по меньшей мере один горячий бак-аккумулятор (24), соединенный с холодным баком-аккумулятором (22) через первый теплообменник (18);при этом второй теплообменник (20) выполнен с возможностью дополнительного охлаждения рабочей жидкости на выходе из первого теплообменника (18) во время цикла зарядки (10);причем второй теплообменник (20) выполнен также с возможностью предварительного нагрева рабочей жидкости на входе в первый теплообменник (18) во время цикла разрядки (26).2. Система по п.1, в которой во время цикла зарядки (10) второй теплообменник включает в себя:первый вход от первого теплообменника (18), соединенный с первым выходом, ведущим к детандеру (12), ивторой вход от конденсатора (14), соединенный со вторым выходом, ведущим к компрессору (16).3. Система по п.1, в которой во время цикла разрядки (26) второй теплообменник (20) включает в себя:первый вход от насоса (28), соединенный с первым выходом, ведущим к первому теплообменнику (18), ивторой вход от термодинамической машины (32), соединенный со вторым выходом, ведущим к конденсатору (30).4. Система по любому из пп.1-3, в которой по меньшей мере один участок цикла зарядки или цикла разрядки работа1. A thermoelectric energy storage system having a charging cycle (10) for supplying thermal energy to a heat accumulator and a discharge cycle (26) for generating electricity by extracting thermal energy from a heat accumulator, comprising: a working fluid circuit for circulating a working fluid through a first heat exchanger (18 ) and a second heat exchanger (20), a heat storage medium circuit for circulating a heat storage medium, and the heat storage medium circuit includes at least one hot storage tank (24) connected to a cold storage tank (22) through the first heat exchanger (18) ; while the second heat exchanger (20) is made with the possibility of additional cooling of the working fluid at the outlet of the first heat exchanger (18) during the charging cycle (10); moreover, the second heat exchanger (20) is also made with the possibility of preheating the working fluid at the inlet to the first heat exchanger (18) during the discharge cycle (26) 2. The system of claim 1, wherein during the charging cycle (10), the second heat exchanger includes: a first inlet from a first heat exchanger (18) connected to a first outlet leading to an expander (12), and a second inlet from a condenser (14), connected to the second outlet leading to the compressor (16) 3. The system of claim 1, wherein during the discharge cycle (26), the second heat exchanger (20) includes: a first inlet from a pump (28) connected to a first outlet leading to a first heat exchanger (18), and a second inlet from a thermodynamic machine (32) connected to the second outlet leading to the capacitor (30). 4. The system according to any one of claims 1 to 3, in which at least one portion of the charge cycle or discharge cycle is in operation

Claims (10)

1. Система аккумулирования термоэлектрической энергии, имеющая цикл зарядки (10) для снабжения тепловой энергией теплового аккумулятора и цикл разрядки (26) для выработки электроэнергии путем извлечения тепловой энергии из теплового аккумулятора, содержащая:1. A thermoelectric energy storage system having a charging cycle (10) for supplying thermal energy to a thermal battery and a discharge cycle (26) for generating electricity by extracting thermal energy from a thermal battery, comprising: контур рабочей жидкости для циркуляции рабочей жидкости через первый теплообменник (18) и второй теплообменник (20),a fluid circuit for circulating a fluid through a first heat exchanger (18) and a second heat exchanger (20), контур теплоаккумулирующей среды для циркуляции теплоаккумулирующей среды, причем контур теплоаккумулирующей среды включает в себя по меньшей мере один горячий бак-аккумулятор (24), соединенный с холодным баком-аккумулятором (22) через первый теплообменник (18);a heat storage medium circuit for circulating a heat storage medium, wherein the heat storage medium circuit includes at least one hot storage tank (24) connected to the cold storage tank (22) through a first heat exchanger (18); при этом второй теплообменник (20) выполнен с возможностью дополнительного охлаждения рабочей жидкости на выходе из первого теплообменника (18) во время цикла зарядки (10);the second heat exchanger (20) is configured to further cool the working fluid at the outlet of the first heat exchanger (18) during the charging cycle (10); причем второй теплообменник (20) выполнен также с возможностью предварительного нагрева рабочей жидкости на входе в первый теплообменник (18) во время цикла разрядки (26).moreover, the second heat exchanger (20) is also configured to preheat the working fluid at the inlet to the first heat exchanger (18) during the discharge cycle (26). 2. Система по п.1, в которой во время цикла зарядки (10) второй теплообменник включает в себя:2. The system according to claim 1, in which during the charging cycle (10) the second heat exchanger includes: первый вход от первого теплообменника (18), соединенный с первым выходом, ведущим к детандеру (12), иa first inlet from a first heat exchanger (18) connected to a first outlet leading to the expander (12), and второй вход от конденсатора (14), соединенный со вторым выходом, ведущим к компрессору (16).the second input from the capacitor (14) connected to the second output leading to the compressor (16). 3. Система по п.1, в которой во время цикла разрядки (26) второй теплообменник (20) включает в себя:3. The system according to claim 1, in which during the discharge cycle (26) the second heat exchanger (20) includes: первый вход от насоса (28), соединенный с первым выходом, ведущим к первому теплообменнику (18), иa first inlet from a pump (28) connected to a first outlet leading to a first heat exchanger (18), and второй вход от термодинамической машины (32), соединенный со вторым выходом, ведущим к конденсатору (30).the second input from the thermodynamic machine (32) connected to the second output leading to the capacitor (30). 4. Система по любому из пп.1-3, в которой по меньшей мере один участок цикла зарядки или цикла разрядки работает в транскритическом режиме.4. The system according to any one of claims 1 to 3, in which at least one portion of the charging cycle or discharge cycle operates in a transcritical mode. 5. Система по любому из пп.1-3, в которой цикл зарядки (10) или цикл разрядки (26) работает без второго теплообменника (20).5. The system according to any one of claims 1 to 3, in which the charging cycle (10) or the discharge cycle (26) operates without a second heat exchanger (20). 6. Способ аккумулирования и отбора энергии в системе аккумулирования термоэлектрической энергии, включающий:6. The method of accumulation and selection of energy in the system of accumulation of thermoelectric energy, including: зарядку системы путем нагрева теплоаккумулирующей среды, при этом теплоаккумулирующая среда циркулирует между по меньшей мере одним горячим баком-аккумулятором (24) и холодным баком-аккумулятором (22);charging the system by heating a heat storage medium, wherein the heat storage medium circulates between at least one hot storage tank (24) and a cold storage tank (22); разрядку системы путем нагрева рабочей жидкости в контуре рабочей жидкости теплом от теплоаккумулирующей среды и расширения рабочей жидкости с помощью термодинамической машины (32);discharging the system by heating the working fluid in the working fluid circuit with heat from a heat storage medium and expanding the working fluid using a thermodynamic machine (32); дополнительное охлаждение рабочей жидкости, выходящей из первого теплообменника (18), во время зарядки с помощью второго теплообменника (20) иadditional cooling of the working fluid leaving the first heat exchanger (18) during charging with the second heat exchanger (20) and предварительный нагрев рабочей жидкости на входе в первый теплообменник (18) во время цикла разрядки с помощью второго теплообменника (20).preliminary heating of the working fluid at the inlet to the first heat exchanger (18) during the discharge cycle using the second heat exchanger (20). 7. Способ по п.6, в котором на стадии дополнительного охлаждения рабочей жидкости, выходящей из первого теплообменника (18), во время зарядки дополнительно обеспечивают передачу тепла от рабочей жидкости, выходящей из первого теплообменника (18), к рабочей жидкости, выходящей из испарителя (14).7. The method according to claim 6, in which at the stage of additional cooling of the working fluid leaving the first heat exchanger (18), during charging, the heat is additionally transferred from the working fluid leaving the first heat exchanger (18) to the working fluid leaving evaporator (14). 8. Способ по п.6, в котором на стадии предварительного нагрева рабочей жидкости на входе в первый теплообменник (18) во время разрядки дополнительно обеспечивают передачу тепла от рабочей жидкости, выходящей из термодинамической машины (32), к рабочей жидкости, поступающей на вход первого теплообменника (18).8. The method according to claim 6, in which at the stage of preheating the working fluid at the inlet to the first heat exchanger (18) during discharge, the heat is additionally transferred from the working fluid leaving the thermodynamic machine (32) to the working fluid entering first heat exchanger (18). 9. Способ по любому из пп.6-8, в котором по меньшей мере один участок цикла зарядки или разрядки выполняют в транскритическом режиме.9. The method according to any one of claims 6 to 8, wherein at least one portion of the charge or discharge cycle is performed in a transcritical mode. 10. Способ по любому из пп.6-8, в котором цикл зарядки (10) или цикл разрядки (28) проводят без второго теплообменника (20). 10. The method according to any one of claims 6 to 8, wherein the charging cycle (10) or the discharge cycle (28) is carried out without a second heat exchanger (20).
RU2012119524/06A 2009-10-13 2010-10-11 SYSTEM OF ACCUMULATION OF THERMOELECTRIC ENERGY WITH INTEGRATED HEAT EXCHANGER AND METHOD FOR ACCUMULATION OF THERMOELECTRIC ENERGY RU2012119524A (en)

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EP09172831A EP2312129A1 (en) 2009-10-13 2009-10-13 Thermoelectric energy storage system having an internal heat exchanger and method for storing thermoelectric energy
EP09172831.1 2009-10-13
PCT/EP2010/065217 WO2011045282A2 (en) 2009-10-13 2010-10-11 Thermoelectric energy storage system having an internal heat exchanger and method for storing thermoelectric energy

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US (1) US20120222423A1 (en)
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CN102575529A (en) 2012-07-11
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