US20080066736A1 - Method and apparatus for solar energy storage system using gas and rock - Google Patents

Method and apparatus for solar energy storage system using gas and rock Download PDF

Info

Publication number
US20080066736A1
US20080066736A1 US11/492,626 US49262606A US2008066736A1 US 20080066736 A1 US20080066736 A1 US 20080066736A1 US 49262606 A US49262606 A US 49262606A US 2008066736 A1 US2008066736 A1 US 2008066736A1
Authority
US
United States
Prior art keywords
gas
thermal
thermal storage
charge
discharge
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US11/492,626
Inventor
Yanong Zhu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US11/492,626 priority Critical patent/US20080066736A1/en
Publication of US20080066736A1 publication Critical patent/US20080066736A1/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/003—Devices for producing mechanical power from solar energy having a Rankine cycle
    • F03G6/005—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S20/00—Solar heat collectors specially adapted for particular uses or environments
    • F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
    • F24S80/20—Working fluids specially adapted for solar heat collectors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • This invention generally relates to solar thermal energy storage by using rock or other type of solid storage media and use gas, liquid metal, and steam as the thermal transfer media.
  • the differences between the nature characters of the solar energy and power grid requirement require thermal storage to buffer and temperature store energy.
  • the nature characters of the solar energy are not service on demand while the power grid requires backbone power plant supply electricity to the grid must be service on demand.
  • the solution for meeting the service on demand requirements is the thermal energy storage system.
  • the thermal energy storage system stores the excessive thermal energy to thermal storage during sunshine time and less electric demanding time, and release the stored thermal energy when the power plant is demanding.
  • the power plant utilization is also the key to power plant economy.
  • the thermal storage system can significantly increase the utilization factor of the power plant; therefore increase the financial performance of the power plant.
  • a number of the energy storage methods are commonly using today, such as battery, flywheel, pumped water hydro power plant, direct steam storage, molten salt, molten salt and rocks, oil and rocks, and etc. None of them can meet the large-scale power grid storage requirements for low cost, less location dependency, high reliability, high efficiency, and environment friendly.
  • the lead acid battery is not economical for power gird energy storage plus the short lifetime and un-friendly to natural environment.
  • Molten salt thermal storage system presented a method for thermal storage. But it faces several major disadvantages, such as low maximum temperature or high freezes temperature, corrosive nature, high power requirement for circulations, and expensive storage medium.
  • Oil, or oil and rock, or molten salt and rock methods are suffered from limitation on higher temperature, pollutions, and high cost on heat transport medium.
  • a method and Apparatus for solar energy storage system uses gas for thermal transport and uses rock for thermal storage medium for central tower solar thermal electric power plant to provide high quality, low cost, and continuously electric power generation.
  • the thermal energy stored in the thermal storage can also be used heat the liquid metal or molten salt of the solar receiver during the time the sun is not available.
  • a control system and connection valves switch the connections for each storage module between the charge system and the discharge system according to the sensor readings, computer operation models and running experiences.
  • the storage module For charging a storage module, the storage module has to be connected to the charge system through the controlling valves, a fan at the cold side of the charge system push the circulation gas from the cool end of the storage module into the central tower's thermal exchanger, and the heated gas from the exchanger then returning to hot side of the charge system and pushed to the hot end of the thermal storage module and entering the thermal storage module and dissipate the thermal energy to rocks until the gas cooled down reach the cold side of the charge system to complete the circulation cycle.
  • the storage module For discharging a storage module, the storage module has to be connected to the discharge system through the controlling valves; a fan at the cold side of the discharge system blows the cold gas into the cold end of the thermal storage module.
  • the gas will be heated through the heat exchange with the rocks and then pushed out through the hot end of the thermal storage module.
  • the hot gas is then pass through the thermal exchange system that generates steam, super heat and reheat the steam, until the gas is cool down and return to cold side of the discharge system to complete the circulation cycle.
  • FIG. 2 is a schematic of the thermal charge system. Only one thermal storage module (for example number 1 ) is connected to the charging system for charging. The rest of storage modules are disconnected from the charging system by switch off the valves, and ready for discharging if they are charged.
  • FIG. 3 is a schematic of the thermal discharge system. Only one thermal storage module (for example number N) is connected to the discharging system for discharging. The rest of the storage modules are disconnected from the discharging system by switch off the related valves and ready for charging if they have been discharged.
  • N thermal storage module
  • FIG. 5 is an illustration of a thermal storage module in discharge mode.
  • the cold gas enters the thermal storage module from the cold end, and absorbs thermal energy from rock and exit from the hot end.
  • FIG. 6 is an illustration of a gas filter.
  • the gas enters the filter and slows down by the dividers to allow gravity and centrifuge force to draw the dusts down to the dusts collectors.
  • the dusts collectors can be emptied once they are full.
  • the thermal storage system as illustrated by FIG. 1 contains the thermal charge system 112 , 108 , 109 , and 110 , and the thermal discharge system 104 , 105 , and 106 , and the thermal storage modules 107 .
  • the thermal charge system charges the thermal storage modules while the discharge system discharge the thermal storage modules.
  • a thermal storage module is connected to charge system for charge and connected to discharge system for discharge.
  • the valves connected at the hot end and the cold end of a thermal storage module can switch the connections of the storage module between the charge and discharge system following the controls of the thermal storage system controller.
  • blower fans 106 and 109 force the working gas to circulate in both charge and discharge systems.
  • the heat exchangers at charge system 108 and discharge systems 104 provide bridges between different working fluids with different physical parameters for central receiver and power plant.
  • the filters 110 and 105 keep the dusts away from entering the heat exchangers cause excessive ware or clotting.
  • FIG. 1 is an illustration of the central tower solar power plant of this invention.
  • the central solar tower 112 receives the concentrated solar energy, and the thermal energy from receiver is transported by liquid metal or molten salt to heat exchanger 108 of charge system.
  • the blower 109 pushes the cold gas from the charge system into exchanger 108 .
  • the liquid metal or molten salt exchange the heat to the gas.
  • the hot liquid metal or molten salt come in the exchanger and cold liquid metal or molten salt come out the exchanger.
  • the coal gas pushed by blower enters the exchanger and absorb the heat and become hot gas and then exit the exchanger.
  • the cold liquid metal or molten salt is then circulating back to the receiver and the heated gas is circulating back to charge system.
  • At the least one of the thermal storage module is connected to the charge system if the charge system is working.
  • the hot gas entering the exchanger Before the hot gas entering the exchanger, it is filtered by the gravity and centrifuge and gravity filter to remove the dusts as illustrated by FIG. 6 .
  • a thermal storage module is a long container filled with rocks with average dimension optimized according to the design parameters.
  • the mass of the thermal storage module is large enough that during charge period of started with an empty module, the cold end output gas maintained at cold, while the hot end maintained at hot during the discharge period.
  • At the least one of the thermal module 21001 as illustrated by FIG. 2 is connected to the discharge system for power plant to generate power.
  • the blower 312 pushes the cold gas 504 as illustrated by FIG. 5 entering the thermal storage module 307 nn , where the cold gas receives the heat from rocks 505 until reaching the hot working temperature, and stabilized with the rock temperature.
  • the hot gas from the output of the thermal storage module will be pushed into the power plant heat exchanger 309 .
  • the power plant heat exchanger consists of boiler, super heater and re-heater for steam turbine, and heaters and re-heaters for gas turbine.
  • the gas from thermal storage will exchange its thermal energy with working medium of steam turbine or gas turbine until cooled down.
  • the cold gas is then send back to blower for next circulation cycle.
  • the thermal storage system contains more than two thermal storage modules that each module can store energy for a given period of time. At the least one of the module is in charge mode during the sunny time, and at the lease one of the module is in discharge mode during the power generation time.
  • the storage capacity of each thermal storage module is determined by the optimization between the pressure required to push gas through with give speed, the heat exchange area of the rocks required to heat up and stabilize the temperature of the circulation gas, and thermal storage capacity.
  • the thermal energy residuals of the thermal storage modules will be used heat the liquid metal or molten salt of the solar receiver during the time the sun is not available.
  • the thermal storage control system switches the valves that connect the storage module between the charge and the discharge sub-system according to the sensor readings, computer operation models and running experiences.
  • the gas filters use the gravity, dividers and centrifuge force to separate the dusts from the gas. At the bottom of the filters, the dusts can be removed regularly from the filters.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A method and Apparatus for solar energy storage system uses gas for thermal transport for central tower solar thermal electric power plant to provide high quality, low cost, and continuously electric power generation. The storage contains a number of storage modules that each module can store energy for a given period of time. The thermal energy from central tower charges the modules one by one during the sunny time, while the thermal electric power plant discharge the modules one by one as long as it works. A control and a connection valve system control and connect the charge and discharge modules with the central tower and the power plant according to pre-arranged sequences. Fans at the cool side of the storage system push the circulation gas into the central tower or the thermal storage modules. In the discharge system, the hot gas from storage system is send to the heat exchange system, and to generate steam and to super heat steam for the power plant. In the charge system, the cold gas is pushed into the central receiver thermal exchange unit and to be heated, and the hot gas is then circulated back to storage system to charge up the storage system.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • This invention generally relates to solar thermal energy storage by using rock or other type of solid storage media and use gas, liquid metal, and steam as the thermal transfer media.
  • 2. Description of Prior Art
  • The differences between the nature characters of the solar energy and power grid requirement require thermal storage to buffer and temperature store energy. The nature characters of the solar energy are not service on demand while the power grid requires backbone power plant supply electricity to the grid must be service on demand. The solution for meeting the service on demand requirements is the thermal energy storage system.
  • The thermal energy storage system stores the excessive thermal energy to thermal storage during sunshine time and less electric demanding time, and release the stored thermal energy when the power plant is demanding.
  • In additional to meet the requirement of service on demand to the power grid, the power plant utilization is also the key to power plant economy. The thermal storage system can significantly increase the utilization factor of the power plant; therefore increase the financial performance of the power plant.
  • A number of the energy storage methods are commonly using today, such as battery, flywheel, pumped water hydro power plant, direct steam storage, molten salt, molten salt and rocks, oil and rocks, and etc. None of them can meet the large-scale power grid storage requirements for low cost, less location dependency, high reliability, high efficiency, and environment friendly.
  • The lead acid battery is not economical for power gird energy storage plus the short lifetime and un-friendly to natural environment.
  • Flywheel has limited capacity, cost, and reliability issue when apply to large-scale grid power storage.
  • Pumped water hydro power plant is the most practical way for large grid scale energy storage, but the availability of suitable land for power plant is very limited.
  • Direct steam storage is simple, but it is limited by the capacity when come to grid scale power plant.
  • Molten salt thermal storage system presented a method for thermal storage. But it faces several major disadvantages, such as low maximum temperature or high freezes temperature, corrosive nature, high power requirement for circulations, and expensive storage medium.
  • Oil, or oil and rock, or molten salt and rock methods are suffered from limitation on higher temperature, pollutions, and high cost on heat transport medium.
    • BRIEF SUMMARY OF THE INVENTION
  • A method and Apparatus for solar energy storage system uses gas for thermal transport and uses rock for thermal storage medium for central tower solar thermal electric power plant to provide high quality, low cost, and continuously electric power generation.
  • The storage contains a number of storage modules that each module can store energy for a given period of time. The thermal energy from central tower charges the modules one by one during the sunny time, while the thermal electric power plant discharge the modules one by one during the power generation hours.
  • The thermal energy stored in the thermal storage can also be used heat the liquid metal or molten salt of the solar receiver during the time the sun is not available.
  • A control system and connection valves switch the connections for each storage module between the charge system and the discharge system according to the sensor readings, computer operation models and running experiences.
  • For charging a storage module, the storage module has to be connected to the charge system through the controlling valves, a fan at the cold side of the charge system push the circulation gas from the cool end of the storage module into the central tower's thermal exchanger, and the heated gas from the exchanger then returning to hot side of the charge system and pushed to the hot end of the thermal storage module and entering the thermal storage module and dissipate the thermal energy to rocks until the gas cooled down reach the cold side of the charge system to complete the circulation cycle.
  • For discharging a storage module, the storage module has to be connected to the discharge system through the controlling valves; a fan at the cold side of the discharge system blows the cold gas into the cold end of the thermal storage module. The gas will be heated through the heat exchange with the rocks and then pushed out through the hot end of the thermal storage module. The hot gas is then pass through the thermal exchange system that generates steam, super heat and reheat the steam, until the gas is cool down and return to cold side of the discharge system to complete the circulation cycle.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • This invention consists in the construction, arrangements and combination of the various parts of the device, whereby the objects contemplated are attained as hereinafter more fully set forth, specifically pointed out in the claims, and illustrated in the accompanying drawings in which:
  • FIG. 1 is a illustration of the central tower solar power plant of this invention. The central solar tower receives the concentrated solar energy, the transported by liquid metal or molten salt to heat exchanger to heat the gas. The gas from the exchanger transports the thermal energy to the thermal storage system. The output of the hot gas from the thermal storage system is sent to steam generation, super heating, and reheating for driving the turbine to generate electricity.
  • FIG. 2 is a schematic of the thermal charge system. Only one thermal storage module (for example number 1) is connected to the charging system for charging. The rest of storage modules are disconnected from the charging system by switch off the valves, and ready for discharging if they are charged.
  • FIG. 3 is a schematic of the thermal discharge system. Only one thermal storage module (for example number N) is connected to the discharging system for discharging. The rest of the storage modules are disconnected from the discharging system by switch off the related valves and ready for charging if they have been discharged.
  • FIG. 4 is an illustration of a thermal storage module in charge mode. The hot gas flow in the storage module from the hot end, and then exchange the thermal energy with the rocks and been cooled down and exit from cold end of the thermal storage module. When all rocks are heated, the storage module is full. The charging system will switch off the valves that connected to this module and starting charge other discharged modules.
  • FIG. 5 is an illustration of a thermal storage module in discharge mode. The cold gas enters the thermal storage module from the cold end, and absorbs thermal energy from rock and exit from the hot end.
  • FIG. 6 is an illustration of a gas filter. The gas enters the filter and slows down by the dividers to allow gravity and centrifuge force to draw the dusts down to the dusts collectors. The dusts collectors can be emptied once they are full.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • This invention is generally related to a method and Apparatus for solar energy storage system uses gas for thermal transport and uses rock for thermal storage medium for central tower solar thermal electric power plant to provide high quality, low cost, and continuously electric power generation.
  • The thermal storage system as illustrated by FIG. 1 contains the thermal charge system 112,108,109, and 110, and the thermal discharge system 104,105, and 106, and the thermal storage modules 107.
  • The thermal charge system charges the thermal storage modules while the discharge system discharge the thermal storage modules. A thermal storage module is connected to charge system for charge and connected to discharge system for discharge. The valves connected at the hot end and the cold end of a thermal storage module can switch the connections of the storage module between the charge and discharge system following the controls of the thermal storage system controller.
  • The blower fans 106 and 109 force the working gas to circulate in both charge and discharge systems.
  • The heat exchangers at charge system 108 and discharge systems 104 provide bridges between different working fluids with different physical parameters for central receiver and power plant.
  • The filters 110 and 105 keep the dusts away from entering the heat exchangers cause excessive ware or clotting.
  • FIG. 1 is an illustration of the central tower solar power plant of this invention. The central solar tower 112 receives the concentrated solar energy, and the thermal energy from receiver is transported by liquid metal or molten salt to heat exchanger 108 of charge system. The blower 109 pushes the cold gas from the charge system into exchanger 108. In the exchanger, the liquid metal or molten salt exchange the heat to the gas. The hot liquid metal or molten salt come in the exchanger and cold liquid metal or molten salt come out the exchanger. The coal gas pushed by blower enters the exchanger and absorb the heat and become hot gas and then exit the exchanger. The cold liquid metal or molten salt is then circulating back to the receiver and the heated gas is circulating back to charge system.
  • At the least one of the thermal storage module is connected to the charge system if the charge system is working.
  • The hot gas from the charge system exchanger is send to the connected thermal storage module 107. The hot gas 401 enters the thermal storage module and exchanges the heat with the rocks 405 inside of the thermal storage module as illustrated by FIG. 4. After the gas cooled down by leave the heat with the rocks, it then exit the thermal storage module at the cold end 403.
  • Before the hot gas entering the exchanger, it is filtered by the gravity and centrifuge and gravity filter to remove the dusts as illustrated by FIG. 6.
  • A thermal storage module is a long container filled with rocks with average dimension optimized according to the design parameters. The mass of the thermal storage module is large enough that during charge period of started with an empty module, the cold end output gas maintained at cold, while the hot end maintained at hot during the discharge period.
  • At the least one of the thermal module 21001 as illustrated by FIG. 2 is connected to the discharge system for power plant to generate power.
  • During the discharge cycle, the blower 312 pushes the cold gas 504 as illustrated by FIG. 5 entering the thermal storage module 307 nn, where the cold gas receives the heat from rocks 505 until reaching the hot working temperature, and stabilized with the rock temperature. The hot gas from the output of the thermal storage module will be pushed into the power plant heat exchanger 309. The power plant heat exchanger consists of boiler, super heater and re-heater for steam turbine, and heaters and re-heaters for gas turbine. The gas from thermal storage will exchange its thermal energy with working medium of steam turbine or gas turbine until cooled down. The cold gas is then send back to blower for next circulation cycle.
  • The thermal storage system contains more than two thermal storage modules that each module can store energy for a given period of time. At the least one of the module is in charge mode during the sunny time, and at the lease one of the module is in discharge mode during the power generation time. The storage capacity of each thermal storage module is determined by the optimization between the pressure required to push gas through with give speed, the heat exchange area of the rocks required to heat up and stabilize the temperature of the circulation gas, and thermal storage capacity.
  • The thermal energy residuals of the thermal storage modules will be used heat the liquid metal or molten salt of the solar receiver during the time the sun is not available.
  • The thermal storage control system switches the valves that connect the storage module between the charge and the discharge sub-system according to the sensor readings, computer operation models and running experiences.
  • The gas filters use the gravity, dividers and centrifuge force to separate the dusts from the gas. At the bottom of the filters, the dusts can be removed regularly from the filters.

Claims (6)

1. A solar energy thermal storage system contains at the least two thermal storage modules and a thermal storage charge system and discharge system;
(a) A thermal storage module is made of small rocks in a large sealed, thermal isolated container for thermal storage and gas freely flow between rocks for the thermal transport;
(b) A thermal charge system and discharge system can select to charge and discharge thermal storage modules at the same time, and are controlled by the thermal storage charge and discharge controller;
(c) A charge and discharge controller is programmed in such a way that allows the maximizing the thermal energy storage from central solar tower while discharge the thermal energy to the power plant as smooth as possible;
(d) A monitoring system for charge and discharge system with sensors is monitoring the temperature of the rocks, the gas, and as well the pressure, and the contaminations of the gas;
(e) A filter system in the gas loop is used to filtering out the dusts or other un-wanted compounds of the gas;
(f) An heat exchanger with the hot liquid metal transport solar thermal energy from the solar central receiver on one side is heating the charging gas on the other side;
(g) A gas loop circulation fan is installed at the cool side of the charging gas loop and another is installed at the cool side of the discharging loop;
2. The solar energy thermal storage system of claim 1 wherein said thermal storage modules means a large size container filled with rocks of suitable sizes with cool gas in and out pipe from one side and hot gas in and out pipe from another side, and covered with thermal isolation material. The cold gas pipe and hot gas pipe of the container are connected with valves that the storage unit can switch the connections between the charge and discharge system,
3. The solar energy thermal storage system of claim 1 wherein said a charge system has hot side and cold side pipes and valves which allow each storage unit connect to or cut off from the charge system, and at the cold side, a fan blows the cooler gas to the central solar tower receiver's heat exchange and push the hot gas out from the hot side of the exchange, and circulating back to thermal storage unit's hot side;
4. The solar energy thermal storage system of claim 1 wherein said a discharge systems have hot side and cold side pipes and valves which allow each storage unit connect to or cut off from the discharge system, and at the cold side, a fan flows cooler gas to thermal storage and push the hot gas out from the hot side of the thermal storage unit and send to the heat exchange of the power plant for power generation;
5. The solar energy thermal storage system of claim 1 wherein said a thermal storage charge and discharge controller contains electric valves, computers, and sensors, and sensors monitoring the status of the thermal storage units, computers analyzing the data from the sensors, and valves connect the thermal storage units on or off or partial open and partial close from the charge system and on or off from the discharge system;
6. The solar energy thermal storage system of claim 1 wherein said a discharge systems have filters installed at the output of the system to protect the heat exchangers. The filters filter dusts being based on gravity and centrifuge force.
US11/492,626 2006-07-25 2006-07-25 Method and apparatus for solar energy storage system using gas and rock Abandoned US20080066736A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/492,626 US20080066736A1 (en) 2006-07-25 2006-07-25 Method and apparatus for solar energy storage system using gas and rock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/492,626 US20080066736A1 (en) 2006-07-25 2006-07-25 Method and apparatus for solar energy storage system using gas and rock

Publications (1)

Publication Number Publication Date
US20080066736A1 true US20080066736A1 (en) 2008-03-20

Family

ID=39187267

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/492,626 Abandoned US20080066736A1 (en) 2006-07-25 2006-07-25 Method and apparatus for solar energy storage system using gas and rock

Country Status (1)

Country Link
US (1) US20080066736A1 (en)

Cited By (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2306628A1 (en) * 2008-06-26 2008-11-01 Universidad Politecnica De Madrid Device and low entropy thermal storage procedure (Machine-translation by Google Translate, not legally binding)
WO2009153143A1 (en) * 2008-05-29 2009-12-23 Shell Internationale Research Maatschappij B.V. Method of operating a compressor using concentrated solar power and an apparatus therefor
ES2334198A1 (en) * 2009-06-19 2010-03-05 Universidad Politecnica De Madrid Solar thermal power station with exergetic management of heat
JP2010085079A (en) * 2008-09-03 2010-04-15 Mitaka Koki Co Ltd Sunlight thermal converting device
JP2010085080A (en) * 2008-09-03 2010-04-15 Mitaka Koki Co Ltd Sunlight thermal converting device
CN101949555A (en) * 2010-06-23 2011-01-19 山西三益科技有限公司 Solar energy and gas integrating heating device
US20110077447A1 (en) * 2008-05-29 2011-03-31 Casper Krijno Groothuis Method and apparatus for the removal of a sorbate component from a process stream
CN102297529A (en) * 2011-05-08 2011-12-28 张其明 Solar heat storage storehouse
WO2012006288A2 (en) * 2010-07-05 2012-01-12 Glasspoint Solar, Inc. Subsurface thermal energy storage of heat generated by concentrating solar power
WO2012007196A3 (en) * 2010-07-12 2012-05-10 Siemens Aktiengesellschaft Thermal energy storage and recovery device and system having a heat exchanger arrangement using a compressed gas
WO2012007068A3 (en) * 2010-07-12 2012-05-18 Siemens Aktiengesellschaft Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation
WO2012066314A1 (en) * 2010-11-19 2012-05-24 Carding Specialists (Canada) Ltd Energy transfer and storage apparatus
US20120241121A1 (en) * 2011-03-22 2012-09-27 Toyota Jidosha Kabushiki Kaisha Heat storage apparatus for vehicle
WO2012020233A3 (en) * 2010-08-12 2012-09-27 Highview Enterprises Limited Method and apparatus for storing thermal energy
WO2012127179A1 (en) * 2011-03-23 2012-09-27 Isentropic Ltd Improved thermal storage system
US20120312496A1 (en) * 2010-02-24 2012-12-13 Isentropic Limited Heat Storage System
US20130019598A1 (en) * 2010-03-31 2013-01-24 Tokyo Institute Of Technology Steam generator and energy supply system using the same
WO2013026993A1 (en) * 2011-08-24 2013-02-28 Isentropic Ltd An apparatus for storing energy
US20130126122A1 (en) * 2010-08-06 2013-05-23 Enolcon Gmbh High-temperature heat store for solar-thermal power plants
WO2013101370A1 (en) * 2011-11-22 2013-07-04 Gerpheide George E Mining system with sustainable energy reservoir legacy
WO2013143041A1 (en) * 2012-03-30 2013-10-03 Lai Zhengping Heat-radiating internal-circulation power generation device
WO2013167538A1 (en) * 2012-05-09 2013-11-14 Commissariat à l'énergie atomique et aux énergies alternatives Heat storage tank with improved thermal stratification
CN103557607A (en) * 2013-09-18 2014-02-05 常州市亚美电气制造有限公司 Heat-energy storage and output system for tower-type concentrating solar-heat solar energy
US8701773B2 (en) 2010-07-05 2014-04-22 Glasspoint Solar, Inc. Oilfield application of solar energy collection
WO2014072952A1 (en) * 2012-11-09 2014-05-15 Carding Specialists (Canada) Limited Heat storage apparatus
US8739774B2 (en) 2010-07-05 2014-06-03 Glasspoint Solar, Inc. Direct solar steam generation
US8887712B2 (en) 2010-07-05 2014-11-18 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
CN104266158A (en) * 2014-05-22 2015-01-07 深圳市爱能森设备技术有限公司 Energy-storage solar steam boiler adopting molten salt to transfer and store heat and method for preparing hot water
WO2015011438A1 (en) * 2013-07-22 2015-01-29 Isentropic Ltd Thermal storage apparatus for rapid cycling applications
US20150114591A1 (en) * 2012-04-23 2015-04-30 Isentropic Ltd. Thermal Energy Storage Apparatus
US20150184950A1 (en) * 2013-01-02 2015-07-02 Rolf Miles Olsen Thermal Ratchet Stopping Shovel Wall
CN104806454A (en) * 2014-12-31 2015-07-29 深圳市爱能森科技有限公司 Wind power, photo-thermal and medium heat storage combined energy supply system
US9200799B2 (en) 2013-01-07 2015-12-01 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters for processes including enhanced oil recovery
US20160108761A1 (en) * 2014-10-21 2016-04-21 Bright Energy Storage Technologies, Llp Concrete and tube hot thermal exchange and energy store (txes) including temperature gradient control techniques
US9322574B2 (en) 2010-07-05 2016-04-26 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US20160231004A1 (en) * 2013-10-24 2016-08-11 Masahiro Kawaji Methods for meeting localized peak loads in buildings and urban centers
WO2016150456A1 (en) * 2015-03-20 2016-09-29 Siemens Aktiengesellschaft Thermal energy storage device
WO2016150460A1 (en) * 2015-03-20 2016-09-29 Siemens Aktiengesellschaft Thermal energy storage plant
CH710944A1 (en) * 2015-04-08 2016-10-14 Freepan Company Holdings Ltd Process for recuperation of heat and process for its operation.
US20170009749A1 (en) * 2014-01-24 2017-01-12 Basf Se Pipeline system for a solar power plant
WO2017055525A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with at least two heat exchange chambers and method for exchanging heat by using the heat exchange system
WO2017055447A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with heat exchange tubes and method for exchanging heat by using the heat exchange system
WO2017055472A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with compensation of dimension change of heat storage material and method for exchanging heat by using the heat exchange system
WO2017055440A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with constant energy consumption and method for exchanging heat by using the heat exchange system
US9726155B2 (en) 2010-09-16 2017-08-08 Wilson Solarpower Corporation Concentrated solar power generation using solar receivers
CN107388604A (en) * 2017-08-28 2017-11-24 深圳东康前海新能源有限公司 A kind of solar heat-exchange system
US9874359B2 (en) 2013-01-07 2018-01-23 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters
CN108139170A (en) * 2015-09-30 2018-06-08 西门子股份公司 With for fill can pattern and for exoergic pattern common active fluid telecontrol equipment heat-exchange system and by using heat-exchange system be used for exchange heat method
CN108224779A (en) * 2018-03-18 2018-06-29 唐山山岛石油化学有限公司 High condensation point heat carrier heat exchange pipe network device and application method
CN108362151A (en) * 2018-01-30 2018-08-03 中国科学院上海应用物理研究所 Thermal storage and energy accumulation electricity generation system
US20180238633A1 (en) * 2015-09-30 2018-08-23 Siemens Aktiengesellschaft Heat exchange system with a heat exchange chamber in with a thermal insulation layer, method for manufacturing the heat exchange system and method for exchanging heat by using the heat exchange system
US10065147B2 (en) 2014-10-23 2018-09-04 Glasspoint Solar, Inc. Gas purification using solar energy, and associated systems and methods
US10197766B2 (en) 2009-02-02 2019-02-05 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US10288322B2 (en) 2014-10-23 2019-05-14 Glasspoint Solar, Inc. Heat storage devices for solar steam generation, and associated systems and methods
WO2019110655A1 (en) * 2017-12-05 2019-06-13 Energynest As Modular thermal energy storage system, improved method of operation of such systems and use of the thermal energy storage system
US10364978B2 (en) 2016-02-01 2019-07-30 Glasspoint Solar, Inc. Separators and mixers for delivering controlled-quality solar-generated steam over long distances for enhanced oil recovery, and associated systems and methods
CN112031885A (en) * 2020-08-31 2020-12-04 西安热工研究院有限公司 Photovoltaic power generation and rock energy storage integrated system and method
US10876521B2 (en) 2012-03-21 2020-12-29 247Solar Inc. Multi-thermal storage unit systems, fluid flow control devices, and low pressure solar receivers for solar power systems, and related components and uses thereof
US10895409B2 (en) * 2017-11-21 2021-01-19 Aestus Energy Storage, LLC Thermal storage system charging
EP3865804A1 (en) * 2020-02-12 2021-08-18 Siemens Gamesa Renewable Energy GmbH & Co. KG Thermal energy storage device
EP3865806A1 (en) * 2020-02-12 2021-08-18 Siemens Gamesa Renewable Energy GmbH & Co. KG Thermal energy storage device
US20210324791A1 (en) * 2016-12-28 2021-10-21 Malta Inc. Baffled thermoclines in thermodynamic generation cycle systems
CN113983844A (en) * 2014-09-30 2022-01-28 西门子歌美飒可再生能源公司 Charging system and method with high-temperature heat energy exchange system
CN114963830A (en) * 2022-06-22 2022-08-30 西安热工研究院有限公司 Heat storage system for transferring heat by using molten salt and operation method
WO2022264452A1 (en) * 2021-06-18 2022-12-22 株式会社 東芝 Heat storage power generation system and power generation control system
WO2022264451A1 (en) * 2021-06-17 2022-12-22 株式会社 東芝 Heat storage power generation system and power generation control system
US11655759B2 (en) 2016-12-31 2023-05-23 Malta, Inc. Modular thermal storage
US11754319B2 (en) 2012-09-27 2023-09-12 Malta Inc. Pumped thermal storage cycles with turbomachine speed control
US11761336B2 (en) 2010-03-04 2023-09-19 Malta Inc. Adiabatic salt energy storage
US20230296034A1 (en) * 2020-11-30 2023-09-21 Rondo Energy, Inc. Thermal energy storage system coupled with thermal power cycle systems
US11840932B1 (en) 2020-08-12 2023-12-12 Malta Inc. Pumped heat energy storage system with generation cycle thermal integration
US11846197B2 (en) 2020-08-12 2023-12-19 Malta Inc. Pumped heat energy storage system with charge cycle thermal integration
US11852043B2 (en) 2019-11-16 2023-12-26 Malta Inc. Pumped heat electric storage system with recirculation
US11885244B2 (en) 2020-08-12 2024-01-30 Malta Inc. Pumped heat energy storage system with electric heating integration
US11927130B2 (en) 2016-12-28 2024-03-12 Malta Inc. Pump control of closed cycle power generation system
US11982228B2 (en) 2020-08-12 2024-05-14 Malta Inc. Pumped heat energy storage system with steam cycle
US12012902B2 (en) 2016-12-28 2024-06-18 Malta Inc. Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
US12123347B2 (en) 2020-08-12 2024-10-22 Malta Inc. Pumped heat energy storage system with load following
US12123327B2 (en) 2020-08-12 2024-10-22 Malta Inc. Pumped heat energy storage system with modular turbomachinery

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422265A (en) * 1890-02-25 Carbon commutator-brush and holder
US659450A (en) * 1900-10-09 Apparatus for obtaimng power fxg
US4062489A (en) * 1976-04-21 1977-12-13 Henderson Roland A Solar-geothermal heat system
US4102327A (en) * 1973-09-18 1978-07-25 Thomason Harry E Solar heating (cooling) system
US4124061A (en) * 1976-11-01 1978-11-07 Rockwell International Corporation Thermal energy storage unit
US4139321A (en) * 1975-05-21 1979-02-13 Werner Frank D Rock channel heat storage
US4144999A (en) * 1976-11-16 1979-03-20 Sunhouse, Incorporated System and structure for conditioning air
US4233960A (en) * 1978-07-21 1980-11-18 Johnson Steven A Heat storage apparatus and method
US4265219A (en) * 1978-07-20 1981-05-05 Thomason Harry E Solar heating (cooling) system
US4283914A (en) * 1979-04-17 1981-08-18 Allen Leonard W Solar energy system
US4286574A (en) * 1980-03-03 1981-09-01 Rockwell International Corporation Trickle-type thermal storage unit
US4362149A (en) * 1980-12-08 1982-12-07 Rockwell International Corporation Heat storage system and method
US4452232A (en) * 1982-12-17 1984-06-05 David Constant V Solar heat boiler
US4478210A (en) * 1979-04-16 1984-10-23 Sieradski Leonard M Solar heating system
US4524756A (en) * 1983-07-25 1985-06-25 Chicago Bridge & Iron Company Thermal energy storage tank using modular heat batteries
US5191875A (en) * 1991-09-27 1993-03-09 Edling Jack V High efficiency solar boiler
US6776154B2 (en) * 2000-12-11 2004-08-17 Yeda Research And Development Co., Ltd. Solar energy system with direct absorption of solar radiation
US6957536B2 (en) * 2003-06-03 2005-10-25 The Boeing Company Systems and methods for generating electrical power from solar energy
US20080022685A1 (en) * 2006-07-25 2008-01-31 Yanong Zhu Concentrate solar thermal energy electric power plant logic boiler
US20080078378A1 (en) * 2006-07-25 2008-04-03 Yanong Zhu Method and apparatus of solar central receiver with boiler and super-heater

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US659450A (en) * 1900-10-09 Apparatus for obtaimng power fxg
US422265A (en) * 1890-02-25 Carbon commutator-brush and holder
US4102327A (en) * 1973-09-18 1978-07-25 Thomason Harry E Solar heating (cooling) system
US4139321A (en) * 1975-05-21 1979-02-13 Werner Frank D Rock channel heat storage
US4062489A (en) * 1976-04-21 1977-12-13 Henderson Roland A Solar-geothermal heat system
US4124061A (en) * 1976-11-01 1978-11-07 Rockwell International Corporation Thermal energy storage unit
US4144999A (en) * 1976-11-16 1979-03-20 Sunhouse, Incorporated System and structure for conditioning air
US4265219A (en) * 1978-07-20 1981-05-05 Thomason Harry E Solar heating (cooling) system
US4233960A (en) * 1978-07-21 1980-11-18 Johnson Steven A Heat storage apparatus and method
US4478210A (en) * 1979-04-16 1984-10-23 Sieradski Leonard M Solar heating system
US4283914A (en) * 1979-04-17 1981-08-18 Allen Leonard W Solar energy system
US4286574A (en) * 1980-03-03 1981-09-01 Rockwell International Corporation Trickle-type thermal storage unit
US4362149A (en) * 1980-12-08 1982-12-07 Rockwell International Corporation Heat storage system and method
US4452232A (en) * 1982-12-17 1984-06-05 David Constant V Solar heat boiler
US4524756A (en) * 1983-07-25 1985-06-25 Chicago Bridge & Iron Company Thermal energy storage tank using modular heat batteries
US5191875A (en) * 1991-09-27 1993-03-09 Edling Jack V High efficiency solar boiler
US6776154B2 (en) * 2000-12-11 2004-08-17 Yeda Research And Development Co., Ltd. Solar energy system with direct absorption of solar radiation
US6957536B2 (en) * 2003-06-03 2005-10-25 The Boeing Company Systems and methods for generating electrical power from solar energy
US20080022685A1 (en) * 2006-07-25 2008-01-31 Yanong Zhu Concentrate solar thermal energy electric power plant logic boiler
US20080078378A1 (en) * 2006-07-25 2008-04-03 Yanong Zhu Method and apparatus of solar central receiver with boiler and super-heater

Cited By (136)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009153143A1 (en) * 2008-05-29 2009-12-23 Shell Internationale Research Maatschappij B.V. Method of operating a compressor using concentrated solar power and an apparatus therefor
US20110077447A1 (en) * 2008-05-29 2011-03-31 Casper Krijno Groothuis Method and apparatus for the removal of a sorbate component from a process stream
ES2306628A1 (en) * 2008-06-26 2008-11-01 Universidad Politecnica De Madrid Device and low entropy thermal storage procedure (Machine-translation by Google Translate, not legally binding)
JP2010085079A (en) * 2008-09-03 2010-04-15 Mitaka Koki Co Ltd Sunlight thermal converting device
JP2010085080A (en) * 2008-09-03 2010-04-15 Mitaka Koki Co Ltd Sunlight thermal converting device
US10197766B2 (en) 2009-02-02 2019-02-05 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
ES2334198A1 (en) * 2009-06-19 2010-03-05 Universidad Politecnica De Madrid Solar thermal power station with exergetic management of heat
WO2010146194A1 (en) * 2009-06-19 2010-12-23 Universidad Politécnica de Madrid Solar thermal power station with exergetic management of heat
US9518786B2 (en) * 2010-02-24 2016-12-13 Energy Technologies Institute Llp Heat storage system
US20120312496A1 (en) * 2010-02-24 2012-12-13 Isentropic Limited Heat Storage System
US11761336B2 (en) 2010-03-04 2023-09-19 Malta Inc. Adiabatic salt energy storage
US9739504B2 (en) * 2010-03-31 2017-08-22 Tokyo Institute Of Technology Steam generator and energy supply system using the same
US20130019598A1 (en) * 2010-03-31 2013-01-24 Tokyo Institute Of Technology Steam generator and energy supply system using the same
CN101949555A (en) * 2010-06-23 2011-01-19 山西三益科技有限公司 Solar energy and gas integrating heating device
WO2012006288A3 (en) * 2010-07-05 2012-05-10 Glasspoint Solar, Inc. Subsurface thermal energy storage of heat generated by concentrating solar power
US8915244B2 (en) 2010-07-05 2014-12-23 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US9291367B2 (en) 2010-07-05 2016-03-22 Glasspoint Solar, Inc. Subsurface thermal energy storage of heat generated by concentrating solar power
US8739774B2 (en) 2010-07-05 2014-06-03 Glasspoint Solar, Inc. Direct solar steam generation
US8701773B2 (en) 2010-07-05 2014-04-22 Glasspoint Solar, Inc. Oilfield application of solar energy collection
US10584900B2 (en) 2010-07-05 2020-03-10 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US8752542B2 (en) 2010-07-05 2014-06-17 Glasspoint Solar, Inc. Direct solar steam generation
WO2012006288A2 (en) * 2010-07-05 2012-01-12 Glasspoint Solar, Inc. Subsurface thermal energy storage of heat generated by concentrating solar power
US9322574B2 (en) 2010-07-05 2016-04-26 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US8887712B2 (en) 2010-07-05 2014-11-18 Glasspoint Solar, Inc. Concentrating solar power with glasshouses
US9810451B2 (en) 2010-07-05 2017-11-07 Glasspoint Solar, Inc. Oilfield application of solar energy collection
US9897394B2 (en) 2010-07-05 2018-02-20 Glasspoint Solar, Inc. Subsurface thermal energy storage of heat generated by concentrating solar power
US10082316B2 (en) 2010-07-05 2018-09-25 Glasspoint Solar, Inc. Direct solar steam generation
CN102971599A (en) * 2010-07-12 2013-03-13 西门子公司 Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation
WO2012007068A3 (en) * 2010-07-12 2012-05-18 Siemens Aktiengesellschaft Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation
JP2013531218A (en) * 2010-07-12 2013-08-01 シーメンス アクチエンゲゼルシヤフト Thermal energy storage and recovery device and system with heat exchange device using compressed gas
US8966902B2 (en) 2010-07-12 2015-03-03 Siemens Aktiengesellschaft Storage and recovery of thermal energy based on counter current principle of heat transfer medium transportation
WO2012007196A3 (en) * 2010-07-12 2012-05-10 Siemens Aktiengesellschaft Thermal energy storage and recovery device and system having a heat exchanger arrangement using a compressed gas
US8991183B2 (en) 2010-07-12 2015-03-31 Siemens Aktiengesellschaft Thermal energy storage and recovery device and system having a heat exchanger arrangement using a compressed gas
US9410748B2 (en) * 2010-08-06 2016-08-09 Enolcon Gmbh High-temperature heat store for solar-thermal power plants
US20130126122A1 (en) * 2010-08-06 2013-05-23 Enolcon Gmbh High-temperature heat store for solar-thermal power plants
GB2497045A (en) * 2010-08-12 2013-05-29 Highview Entpr Ltd Method and apparatus for storing thermal energy
AU2011288289B2 (en) * 2010-08-12 2014-06-19 Highview Enterprises Limited Method and apparatus for storing thermal energy
US10012447B2 (en) 2010-08-12 2018-07-03 Highview Enterprises Limited Method and apparatus for storing thermal energy in thermal masses for electricity generation
GB2497045B (en) * 2010-08-12 2015-01-07 Highview Entpr Ltd Method and apparatus for storing thermal energy
WO2012020233A3 (en) * 2010-08-12 2012-09-27 Highview Enterprises Limited Method and apparatus for storing thermal energy
US9726155B2 (en) 2010-09-16 2017-08-08 Wilson Solarpower Corporation Concentrated solar power generation using solar receivers
US10280903B2 (en) 2010-09-16 2019-05-07 Wilson 247Solar, Inc. Concentrated solar power generation using solar receivers
US11242843B2 (en) 2010-09-16 2022-02-08 247Solar Inc. Concentrated solar power generation using solar receivers
WO2012066314A1 (en) * 2010-11-19 2012-05-24 Carding Specialists (Canada) Ltd Energy transfer and storage apparatus
US9140500B2 (en) * 2011-03-22 2015-09-22 Toyota Jidosha Kabushiki Kaisha Heat storage apparatus for vehicle
US20120241121A1 (en) * 2011-03-22 2012-09-27 Toyota Jidosha Kabushiki Kaisha Heat storage apparatus for vehicle
US9709347B2 (en) 2011-03-23 2017-07-18 Energy Technologies Institute Llp Thermal storage system
WO2012127179A1 (en) * 2011-03-23 2012-09-27 Isentropic Ltd Improved thermal storage system
GB2502758B (en) * 2011-03-23 2015-09-23 Isentropic Ltd Improved thermal storage system
GB2502758A (en) * 2011-03-23 2013-12-04 Isentropic Ltd Improved thermal storage system
CN103547880A (en) * 2011-03-23 2014-01-29 等熵有限公司 Improved thermal storage system
JP2014508912A (en) * 2011-03-23 2014-04-10 アイゼントロピック リミテッド Improved heat storage system
US9658004B2 (en) 2011-03-23 2017-05-23 Energy Technologies Institute Llp Layered thermal store with selectively alterable gas flow path
CN102297529A (en) * 2011-05-08 2011-12-28 张其明 Solar heat storage storehouse
WO2013026993A1 (en) * 2011-08-24 2013-02-28 Isentropic Ltd An apparatus for storing energy
CN104024762A (en) * 2011-11-22 2014-09-03 乔治·E·加尔法伊德 Mining system with sustainable energy reservoir legacy
WO2013101370A1 (en) * 2011-11-22 2013-07-04 Gerpheide George E Mining system with sustainable energy reservoir legacy
US9605878B2 (en) 2011-11-22 2017-03-28 George E. Gerpheide Mining system with sustainable energy reservoir legacy
US10876521B2 (en) 2012-03-21 2020-12-29 247Solar Inc. Multi-thermal storage unit systems, fluid flow control devices, and low pressure solar receivers for solar power systems, and related components and uses thereof
WO2013143041A1 (en) * 2012-03-30 2013-10-03 Lai Zhengping Heat-radiating internal-circulation power generation device
US20150114591A1 (en) * 2012-04-23 2015-04-30 Isentropic Ltd. Thermal Energy Storage Apparatus
US9970715B2 (en) * 2012-04-23 2018-05-15 Energy Technologies Institute Llp Thermal energy storage apparatus
WO2013167538A1 (en) * 2012-05-09 2013-11-14 Commissariat à l'énergie atomique et aux énergies alternatives Heat storage tank with improved thermal stratification
FR2990502A1 (en) * 2012-05-09 2013-11-15 Commissariat Energie Atomique HEAT STORAGE TANK WITH IMPROVED THERMAL STRATIFICATION
US11754319B2 (en) 2012-09-27 2023-09-12 Malta Inc. Pumped thermal storage cycles with turbomachine speed control
WO2014072952A1 (en) * 2012-11-09 2014-05-15 Carding Specialists (Canada) Limited Heat storage apparatus
CN104870924A (en) * 2012-11-09 2015-08-26 卡丁专家(加拿大)有限公司 Heat storage apparatus
US20150184950A1 (en) * 2013-01-02 2015-07-02 Rolf Miles Olsen Thermal Ratchet Stopping Shovel Wall
US10411180B2 (en) 2013-01-07 2019-09-10 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters for processes including enhanced oil recovery
US9461229B2 (en) 2013-01-07 2016-10-04 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters for processes including enhanced oil recovery
US9874359B2 (en) 2013-01-07 2018-01-23 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters
US9978925B2 (en) 2013-01-07 2018-05-22 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters for processes including enhanced oil recovery
US9200799B2 (en) 2013-01-07 2015-12-01 Glasspoint Solar, Inc. Systems and methods for selectively producing steam from solar collectors and heaters for processes including enhanced oil recovery
WO2015011438A1 (en) * 2013-07-22 2015-01-29 Isentropic Ltd Thermal storage apparatus for rapid cycling applications
CN103557607A (en) * 2013-09-18 2014-02-05 常州市亚美电气制造有限公司 Heat-energy storage and output system for tower-type concentrating solar-heat solar energy
US20160231004A1 (en) * 2013-10-24 2016-08-11 Masahiro Kawaji Methods for meeting localized peak loads in buildings and urban centers
US10281160B2 (en) * 2013-10-24 2019-05-07 The Research Foundation Of The City University Of New York Methods for meeting localized peak loads in buildings and urban centers
US9951756B2 (en) * 2014-01-24 2018-04-24 Basf Se Pipeline system for a solar power plant
US20170009749A1 (en) * 2014-01-24 2017-01-12 Basf Se Pipeline system for a solar power plant
CN104266158A (en) * 2014-05-22 2015-01-07 深圳市爱能森设备技术有限公司 Energy-storage solar steam boiler adopting molten salt to transfer and store heat and method for preparing hot water
CN113983844A (en) * 2014-09-30 2022-01-28 西门子歌美飒可再生能源公司 Charging system and method with high-temperature heat energy exchange system
US20160108761A1 (en) * 2014-10-21 2016-04-21 Bright Energy Storage Technologies, Llp Concrete and tube hot thermal exchange and energy store (txes) including temperature gradient control techniques
US10634436B2 (en) 2014-10-21 2020-04-28 Bright Energy Storage Technologies, Llp Concrete and tube hot thermal exchange and energy store (TXES) including temperature gradient control techniques
US10054373B2 (en) * 2014-10-21 2018-08-21 Bright Energy Storage Technolgies, LLP Concrete and tube hot thermal exchange and energy store (TXES) including temperature gradient control techniques
US10288322B2 (en) 2014-10-23 2019-05-14 Glasspoint Solar, Inc. Heat storage devices for solar steam generation, and associated systems and methods
US10065147B2 (en) 2014-10-23 2018-09-04 Glasspoint Solar, Inc. Gas purification using solar energy, and associated systems and methods
CN104806454A (en) * 2014-12-31 2015-07-29 深圳市爱能森科技有限公司 Wind power, photo-thermal and medium heat storage combined energy supply system
WO2016150460A1 (en) * 2015-03-20 2016-09-29 Siemens Aktiengesellschaft Thermal energy storage plant
WO2016150456A1 (en) * 2015-03-20 2016-09-29 Siemens Aktiengesellschaft Thermal energy storage device
US10401093B2 (en) 2015-03-20 2019-09-03 Siemens Gamesa Renewable Energy A/S Thermal energy storage plant
CN107407533A (en) * 2015-03-20 2017-11-28 西门子公司 Thermal energy storage equipment
CH710944A1 (en) * 2015-04-08 2016-10-14 Freepan Company Holdings Ltd Process for recuperation of heat and process for its operation.
CN108139170A (en) * 2015-09-30 2018-06-08 西门子股份公司 With for fill can pattern and for exoergic pattern common active fluid telecontrol equipment heat-exchange system and by using heat-exchange system be used for exchange heat method
CN108139171A (en) * 2015-09-30 2018-06-08 西门子股份公司 Heat-exchange system at least two heat exchanger chambers and the method for being used to exchange heat by using heat-exchange system
WO2017055440A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with constant energy consumption and method for exchanging heat by using the heat exchange system
EP3303967B1 (en) 2015-09-30 2019-06-19 Siemens Gamesa Renewable Energy A/S Heat exchange system with at least two heat exchange chambers and method for exchanging heat by using the heat exchange system
US10837716B2 (en) * 2015-09-30 2020-11-17 Siemens Gamesa Renewable Energy A/S Heat exchange system with a heat exchange chamber in with a thermal insulation layer, method for manufacturing the heat exchange system and method for exchanging heat by using the heat exchange system
WO2017055447A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with heat exchange tubes and method for exchanging heat by using the heat exchange system
US20180238633A1 (en) * 2015-09-30 2018-08-23 Siemens Aktiengesellschaft Heat exchange system with a heat exchange chamber in with a thermal insulation layer, method for manufacturing the heat exchange system and method for exchanging heat by using the heat exchange system
WO2017055525A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with at least two heat exchange chambers and method for exchanging heat by using the heat exchange system
US11015488B2 (en) 2015-09-30 2021-05-25 Siemens Gamesa Renewable Energy A/S Heat exchange system with a joint active fluid motion device for the charging mode and for the discharging mode and method for exchanging heat by using the heat exchange system
US20180231330A1 (en) * 2015-09-30 2018-08-16 Siemens Aktiengesellschaft Heat exchange system with at least two heat exchange chambers and method for exchanging heat by using the heat exchange system
US10982909B2 (en) 2015-09-30 2021-04-20 Siemens Gamesa Renewable Energy A/S Heat exchange system with compensation of dimension change of heat storage material and method for exchanging heat by using the heat exchange system
WO2017055472A1 (en) * 2015-09-30 2017-04-06 Siemens Aktiengesellschaft Heat exchange system with compensation of dimension change of heat storage material and method for exchanging heat by using the heat exchange system
US10364978B2 (en) 2016-02-01 2019-07-30 Glasspoint Solar, Inc. Separators and mixers for delivering controlled-quality solar-generated steam over long distances for enhanced oil recovery, and associated systems and methods
US12012902B2 (en) 2016-12-28 2024-06-18 Malta Inc. Variable pressure inventory control of closed cycle system with a high pressure tank and an intermediate pressure tank
US12129791B2 (en) 2016-12-28 2024-10-29 Malta Inc. Baffled thermoclines in thermodynamic cycle systems
US11591956B2 (en) * 2016-12-28 2023-02-28 Malta Inc. Baffled thermoclines in thermodynamic generation cycle systems
US11927130B2 (en) 2016-12-28 2024-03-12 Malta Inc. Pump control of closed cycle power generation system
US20210324791A1 (en) * 2016-12-28 2021-10-21 Malta Inc. Baffled thermoclines in thermodynamic generation cycle systems
US11655759B2 (en) 2016-12-31 2023-05-23 Malta, Inc. Modular thermal storage
CN107388604A (en) * 2017-08-28 2017-11-24 深圳东康前海新能源有限公司 A kind of solar heat-exchange system
US10895409B2 (en) * 2017-11-21 2021-01-19 Aestus Energy Storage, LLC Thermal storage system charging
CN111684232A (en) * 2017-12-05 2020-09-18 挪威能源公司 Modular thermal energy storage system, improved method of operating such a system and use of a thermal energy storage system
WO2019110655A1 (en) * 2017-12-05 2019-06-13 Energynest As Modular thermal energy storage system, improved method of operation of such systems and use of the thermal energy storage system
US12092400B2 (en) 2017-12-05 2024-09-17 Energynest As Modular thermal energy storage system, improved method of operation of such systems and use of the thermal energy storage system
CN108362151A (en) * 2018-01-30 2018-08-03 中国科学院上海应用物理研究所 Thermal storage and energy accumulation electricity generation system
CN108224779A (en) * 2018-03-18 2018-06-29 唐山山岛石油化学有限公司 High condensation point heat carrier heat exchange pipe network device and application method
US11852043B2 (en) 2019-11-16 2023-12-26 Malta Inc. Pumped heat electric storage system with recirculation
WO2021160360A1 (en) 2020-02-12 2021-08-19 Siemens Gamesa Renewable Energy Gmbh & Co. Kg Thermal energy storage device
EP3865804A1 (en) * 2020-02-12 2021-08-18 Siemens Gamesa Renewable Energy GmbH & Co. KG Thermal energy storage device
WO2021160368A1 (en) 2020-02-12 2021-08-19 Siemens Gamesa Renewable Energy Gmbh & Co. Kg Thermal energy storage device
EP3865806A1 (en) * 2020-02-12 2021-08-18 Siemens Gamesa Renewable Energy GmbH & Co. KG Thermal energy storage device
US11840932B1 (en) 2020-08-12 2023-12-12 Malta Inc. Pumped heat energy storage system with generation cycle thermal integration
US11846197B2 (en) 2020-08-12 2023-12-19 Malta Inc. Pumped heat energy storage system with charge cycle thermal integration
US11885244B2 (en) 2020-08-12 2024-01-30 Malta Inc. Pumped heat energy storage system with electric heating integration
US11982228B2 (en) 2020-08-12 2024-05-14 Malta Inc. Pumped heat energy storage system with steam cycle
US12123347B2 (en) 2020-08-12 2024-10-22 Malta Inc. Pumped heat energy storage system with load following
US12123327B2 (en) 2020-08-12 2024-10-22 Malta Inc. Pumped heat energy storage system with modular turbomachinery
CN112031885A (en) * 2020-08-31 2020-12-04 西安热工研究院有限公司 Photovoltaic power generation and rock energy storage integrated system and method
US20230296034A1 (en) * 2020-11-30 2023-09-21 Rondo Energy, Inc. Thermal energy storage system coupled with thermal power cycle systems
US12018596B2 (en) * 2020-11-30 2024-06-25 Rondo Energy, Inc. Thermal energy storage system coupled with thermal power cycle systems
WO2022264451A1 (en) * 2021-06-17 2022-12-22 株式会社 東芝 Heat storage power generation system and power generation control system
WO2022264452A1 (en) * 2021-06-18 2022-12-22 株式会社 東芝 Heat storage power generation system and power generation control system
WO2023246021A1 (en) * 2022-06-22 2023-12-28 西安热工研究院有限公司 Heat storage system based on molten salt heat transfer, and operation method
CN114963830A (en) * 2022-06-22 2022-08-30 西安热工研究院有限公司 Heat storage system for transferring heat by using molten salt and operation method

Similar Documents

Publication Publication Date Title
US20080066736A1 (en) Method and apparatus for solar energy storage system using gas and rock
US9816491B2 (en) Solar power system and method therefor
EP2914919B1 (en) Method for operating an arrangement for storing thermal energy
CN102483263B (en) Vapour only cycling of heat transfer fluid for the thermal storage of solar energy
CN103673705A (en) Thermal storage system and power generation system including the same
CN107429578B (en) Thermal energy storage apparatus
CN103890499A (en) System using solar energy
WO2019129649A1 (en) Storage integrated heat exchanger
CN111075668A (en) Utilize electricity storage system of solid particle heat-retaining
JP4883935B2 (en) Waste heat utilization system and operation method thereof
CN105257354B (en) The cold and hot pneumoelectric new energy resources system of wind light mutual complementing of compressed-air energy storage
US11502628B2 (en) Energy storage system
KR101045005B1 (en) Solar heatimg complex apparatus
Freund et al. Thermal energy storage
CN101354223A (en) Energy-saving apparatus
CN204152569U (en) A kind of air energy power-generating system
CN104065338B (en) A kind of solar cell cooling fluid antifreeze with heat utilization device and method
CN115823922A (en) Solid particle heat storage and release device
CN104654616A (en) Two-cavity fluid focusing solar light heat heating, transferring, storing system
CN209431693U (en) A kind of Dish solar thermal power system
JP2018508708A (en) Improving power plant efficiency
CN111697567A (en) Renewable energy power generation and waste heat recycling comprehensive energy system for data center
CN105190029A (en) Concentrating solar power station with improved operation
JP2005344953A (en) Hybrid type geothermal heat utilization system
US10393094B2 (en) Vapour only cycling of heat transfer fluid for the thermal storage of solar energy

Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION