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1.发明公开公开(公告)号：US20240191702A1
公开(公告)日：2024-06-13
申请号：US18512874
申请日：2023-11-17
发明人： Chenxi WU , Suoyin NI , Hanxiao HONG , Jianxiong YE
摘要： A capacity configuration method for photovoltaic/photothermal/Advanced Adiabatic Compressed Air Energy Storage (AA-CAES) of combined cooling, heating and power (CCHP). The method includes: establishing a CCHP micro integrated energy system model containing AA-CAES, and then solving the model by using a dual-level planning approach. The upper level plans capacity configuration is planned with an objective of minimizing a sum of capacity configuration costs and lower-level scheduling costs, while the lower level employs parameters obtained from the upper level to implement season-based scheduling, with an objective of minimizing a sum of energy supply costs and carbon mitigation costs, and returns a scheduling result to the upper level to assist in upper-level capacity decisions. This method takes a CCHP capability of a compressed air energy storage system into consideration, and establishes a model suitable for capacity planning and scheduling.
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公开(公告)号：US11927130B2
公开(公告)日：2024-03-12
申请号：US17952753
申请日：2022-09-26
申请人： MALTA INC.
发明人： Raj Apte , Philippe Larochelle
摘要： Disclosed are systems and methods for pump control of a closed thermodynamic cycle system, such as a Brayton cycle. Operational parameters such as working fluid temperature, thermal fluid temperature, stream pressure, and power generation may be the basis for controlling a thermal fluid pump rate.
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公开(公告)号：US11852382B2
公开(公告)日：2023-12-26
申请号：US17531293
申请日：2021-11-19
申请人： KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS , KING ABDULLAH CITY FOR ATOMIC & RENEWABLE ENERGY (K.A.CARE)
CPC分类号： F24S20/40 , F03G4/001 , F03G4/029 , F03G4/037 , F03G4/063 , F03G6/067 , F03G6/068 , F03G6/071 , F24S20/20 , F24S60/30 , F28D2020/0047
摘要： A heating and cooling system powered by renewable energy and assisted with geothermal energy includes a solar cycling unit, a supercritical carbon dioxide (S—CO2) unit, and a refrigerant cycling unit. Solar energy obtained at the solar cycling unit may be used to power the S—CO2 cycling unit. To do so, the solar cycling unit utilizes a solar collector, a thermal energy storage, and a heat exchanger along with a first working fluid which is preferably molten salt or Therminol. Next, the energy generated at the S—CO2 cycling unit, which preferably circulates S—CO2 as a second working fluid, may be used to operate the refrigerant cycling unit. In the refrigerant cycling unit, Tetrafluroethene is preferably used as the third working fluid to produce required cooling effects. Additionally, geothermal heat exchangers may be integrated into the system for use during varying weather conditions.
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公开(公告)号：US11761622B2
公开(公告)日：2023-09-19
申请号：US17340133
申请日：2021-06-07
IPC分类号： F22B1/00 , F22B33/00 , F22B29/04 , F03G6/06 , F22B1/18 , F22B37/72 , F01D15/10 , F01K23/10 , F01K7/22 , F22B21/02
CPC分类号： F22B1/006 , F03G6/065 , F03G6/067 , F22B1/1815 , F22B29/04 , F22B33/00 , F22B37/72 , F01D15/10 , F01K7/22 , F01K23/106 , F05B2220/301 , F22B21/02
摘要： Solar/Rankine steam cycle hybrid concentrating solar power (CSP) systems and methods for designing or retrofitting existent natural circulation boilers using saturated or superheated steam produced by direct steam generation (DSG) or Heat Transfer Fluid (HTF) steam generators and CSP solar field technology systems are described. Additionally, methods and processes of retrofitting the existent Heat Recovery Steam Generators (HRSG) or biomass, gas, oil or coal fired boilers to operate integrated to a molten salt/water-steam heat exchangers are disclosed. The hybrid CSP systems are highly efficient due to the increase of steam generated by a heating section comprising either the DSG receiver or the molten salt-water-steam sequential heat exchangers, heaters, boiler/saturated steam generators, super-heaters and re-heaters. The additional saturated, superheated and reheated steam produced is directed to a Rankine cycle according to its pressure, temperature and steam quality significantly reducing the fuel consumption within a cogeneration or Combine Cycle Power Plant.
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公开(公告)号：US11578704B2
公开(公告)日：2023-02-14
申请号：US16699919
申请日：2019-12-02
摘要： An energy power generator includes an energy source having a solar energy source further having at least one or more parabolic mirrors for focusing solar energy in a predetermined direction or focal point, an enclosed fluid circuit including a medium supply tank, a pump coupled to the medium supply tank, a boiler tank coupled to the pump, a turbine and generator coupled to the boiler tank, and a condenser having an output of the turbine as an input and the condenser further providing an output used as a feedback input to the medium supply tank. The generator can further include one or more parabolic mirrors oriented or focused towards the predetermined focal point on or through the boiler tank, where the boiler tank has heat applied to increase the pressure used to operate the turbine.
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公开(公告)号：US11578693B1
公开(公告)日：2023-02-14
申请号：US17550144
申请日：2021-12-14
发明人： Troy McBride , Jonathan Lynch , Joel Stettenheim , Oliver James Brambles , Leif Kilkenny Johnson , Per Erik Kristoffer Edstrom
摘要： A thermal energy storage system comprising a working fluid to store and transfer thermal energy between a heat source and a thermal load and a vessel to store the working fluid. The vessel has an interior region and a floating separator piston in the interior region to separate a hot portion from a cold portion of the working fluid. There is a first manifold thermally coupled to an output of the heat source and to an input of the thermal load and fluidly coupled to the interior region of the vessel and a second manifold thermally coupled to an input of the heat source and an output of the thermal load and fluidly coupled to the interior region of the vessel. There is a controller configured to maintain the working fluid in a liquid state.
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公开(公告)号：US20220252054A1
公开(公告)日：2022-08-11
申请号：US17625347
申请日：2020-12-11
发明人： Pu JIN
摘要： A solar gas turbine power generation system based on a photothermal principle includes a gas turbine, a solar collector and a solar reflector, where the gas turbine includes a compressor impeller, a turbine, a recuperator and a combustion chamber, the recuperator includes an outer shell, an intermediate shell and an inner shell, a low-temperature gas inlet passage is formed between the intermediate shell and the outer shell, a high-temperature gas inlet passage is formed between the intermediate shell and the inner shell, an inlet and an outlet of the low-temperature gas inlet passage communicate with an outlet of the compressor impeller and an inlet of the combustion chamber, respectively, and an inlet and an outlet of the high-temperature gas inlet passage communicate with an outlet of the turbine and the outside, respectively; and the solar collector includes an absorber plate covering the outer shell of the recuperator.
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公开(公告)号：US11319937B2
公开(公告)日：2022-05-03
申请号：US17063932
申请日：2020-10-06
申请人： HPM Holding B.V.
摘要： An urban concentrated solar power for mounting on a roof top is provided. The urban concentrated solar power has a heat receiver has a non-circular duct that distinguishes an insulated area with an insulation layer on the outer surface of the non-circular duct and a non-insulated area. The non-circular duct contains a heat transferring fluid which can reach temperatures of at least 500 degrees Celsius. A parabolic trough with an aperture of below 2 meters concentrates sunlight onto the non-insulated area of the non-circular duct of the heat receiver. The heat receiver can be placed in a glass tube. Due to roof top mounting the electricity can be generated in proximity of the user and as a result decrease net congestion. The low-cost heat receiver design will make electricity generated by urban CSP competitive with electricity from fossil fuel plants and PV combined with lithium-ion battery storage.
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公开(公告)号：US20220099071A1
公开(公告)日：2022-03-31
申请号：US17427644
申请日：2019-06-22
发明人： Hui Yan , Ming Liu , Daotong Chong , Jinshi Wang , Weixiong Chen , Junjie Yan
摘要： A solar-aided coal-fired flexible power generation system and an operating method thereof are provided. The system includes a coal-fired thermal power generation system and a high-temperature heat storage system coupled with solar thermal power generation; wherein a heat storage medium heater is arranged in the boiler flue; the flow rates of heat storage medium entering the solar heat collection device and the heat storage medium heater are adjusted by the regulating valve and the pump, eliminating irradiation fluctuation influences and maintaining stable power; a heat storage medium tank is used for peak shaving to reduce steam turbine output under stable boiler combustion; the flow and temperature of the feedwater entering the heat storage medium and feedwater heat exchanger are adjusted to realize rapid load cycling. The present invention can realize solar and coal-fired generation coupling, reduce coal consumption, and greatly improve the flexibility and economy.
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公开(公告)号：US20220011025A1
公开(公告)日：2022-01-13
申请号：US17483223
申请日：2021-09-23
发明人： Majed Moalla ALHAZMY
摘要： A solar energy powered Stirling duplex cooler is presented which includes a Stirling engine and a Stirling cooler. The Stirling engine drives the Stirling cooler to produce cold temperatures for refrigeration or air conditioning. The Stirling duplex cooler includes a solar concentrator to focus high temperature solar radiation upon the Stirling engine expansion space. The Stirling duplex cooler further includes a thermal storage tank to receive and store heat rejected from the cooler expansion space. This stored heat is used to operate the cooler at night. A flywheel connected operatively to engine and cooler expansion space pistons and a crankshaft connected operatively to engine and cooler compression space pistons actuate the pistons to move a working fluid between the expansion and compression spaces.
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