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549 results about "Geothermal power" patented technology

Geothermal power is power generated by geothermal energy. Technologies in use include dry steam power stations, flash steam power stations and binary cycle power stations. Geothermal electricity generation is currently used in 26 countries, while geothermal heating is in use in 70 countries.

Method and system for utilizing waste heat of multifunctional heating ventilation air conditioner

The invention provides a multifunctional heating ventilation air conditioner waste heat utilization method and system, and the method comprises the following steps: 1, obtaining multi-source data of an air conditioner system and an external heat source, carrying out the preprocessing, carrying out the grading collection and preliminary integration of the multi-source waste heat, and dividing the multi-source waste heat into high-temperature waste heat, medium-temperature waste heat and low-temperature waste heat; multi-source data of an air conditioning system and an external heat source are collected, condensation heat of a compressor, industrial waste heat and other multiple types of waste heat are integrated and subjected to staged treatment, and a high-temperature power generation-medium-temperature heat supply-low-temperature heat storage gradient utilization system is constructed; an LSTM neural network thermal load prediction model and an intelligent algorithm are combined to dynamically adjust a waste heat distribution path so as to realize self-adaptive switching of a refrigeration mode, a heating mode and a hot water mode, and meanwhile, a cascade system, photovoltaic energy, geothermal energy and the like are coupled through a direct-current micro-grid to construct a hybrid energy supply system. The problems that in the prior art, waste heat sources are single, energy efficiency is low due to the fact that gradient utilization is lacked, dynamic regulation and control are insufficient, and cooperation with renewable energy sources is not achieved are sequentially solved.
Owner:SUZHOU YANGJI ELECTROMECHANICAL ENG CO LTD

Liquid air energy storage and terrestrial heat coordinated underground space air regulation and control system and method

The invention relates to a liquid air energy storage and terrestrial heat coordinated underground space air regulation and control system and method. Comprising a first-stage compressor, a second-stage compressor, a third-stage compressor, an expansion refrigerator, a first-stage compression heat exchanger, a second-stage compression heat exchanger, a third-stage compression heat exchanger, a cold box, a separator, a liquid air storage tank, a cryogenic pump, an evaporator, a cold storage circulating pump, a cold storage box, a compression heat exchange circulating pump, a compression heat storage box, a first heater, a second heater and a third heater. The system comprises a first air expander, a second air expander, a third air expander and a generator. The regeneration heater is used for guiding the compression heat generated by the compressor into the regeneration heater for regeneration and / or guiding the geothermal energy output by the geothermal energy output end into the regeneration heater for regeneration; the rotary wheel dehumidification device is used for performing cryogenic drying on the wet air; the fresh air processing unit is composed of a fresh air filter, a regeneration fan, a regeneration filter and an air supply fan.
Owner:GUODIAN SCI & TECH RES INST

Underground high-temperature composite fluid heating system

The invention relates to the technical field of oil-gas field development and geothermal energy utilization. The invention provides an underground high-temperature composite fluid heating system, which comprises a crude oil separation device, a catalysis module, a high-temperature fluid generation module, an injection well pattern module, a target reservoir and a production well, and is characterized in that the crude oil separation device is communicated with the catalysis module through a first gas inlet pipeline and a second gas inlet pipeline; a first gas outlet pipeline and a second gas outlet pipeline are communicated with a high-temperature fluid generation module, the high-temperature fluid generation module is communicated with an injection well pattern module through a third gas outlet pipeline, the injection well pattern module is communicated with a target reservoir, and the target reservoir supplies energy to the outside through a fourth gas outlet pipeline. And the production well conveys the energy-supplied gas to the heat energy recovery device through the first recovery pipeline. In this way, efficient and uniform heating of the underground reservoir is achieved, energy consumption is reduced while the energy recovery efficiency is improved, and the problems of low heat conduction efficiency and high energy consumption in deep oil gas and hot dry rock development are solved.
Owner:CHANGZHOU UNIV

Non-condensable gas reduction system

The present disclosure provides a non-condensable gas reduction system that reduces the effects of atmospheric components contained in gas that is reduced in the reduction well. [Solution] A non-condensable gas reduction system in a geothermal power plant returns non-condensable gas that remains uncondensed when cooled from a first gas contained in geothermal fluid that springs from a production well to a reinjection well. The non-condensable gas reduction system comprises: a pump that pressurizes the first liquid sent to the reinjection well; an ejector that is driven by the first liquid, attracts the non-condensable gas, and discharges a second liquid that is a mixture of the first liquid and the non-condensable gas; and a gas separator connected downstream of the ejector that separates the second gas containing atmospheric components that has been mixed into the second liquid, and discharges the second gas into the atmosphere while discharging the second liquid into the reinjection well.
Owner:FUJI ELECTRIC CO LTD

Middle-deep layer buried pipe heat exchanger seepage thermal response rapid prediction method based on artificial intelligence

The invention relates to the technical field of geothermal energy utilization and underground heat exchange, in particular to a medium-deep layer buried pipe heat exchanger seepage thermal response rapid prediction method based on artificial intelligence, and the method comprises the steps: obtaining temperature field snapshot data of a medium-deep layer buried pipe heat exchanger system under different operation conditions; performing orthogonal decomposition on the temperature field snapshot data to obtain main modal characteristics and corresponding amplitudes; the parameters of all the operation conditions serve as input variables, all the main modal features and the corresponding amplitudes serve as output variables, a BP neural network is trained, and an artificial intelligence agent model is constructed; and obtaining parameters of a target operation condition, inputting the parameters into the artificial intelligence agent model, outputting the amplitude of each main mode under the target operation condition, reconstructing a temperature field, and completing rapid prediction of the seepage thermal response of the medium-deep layer buried pipe heat exchanger under the target operation condition. According to the method, the temperature field distribution of the DBHE system under the action of underground water seepage can be quickly predicted.
Owner:LANZHOU JIAOTONG UNIV

Combined heat and power system and control method thereof

The invention provides a combined heat and power system and a control method thereof, and relates to the technical field of combined heat and power. The system comprises a fuel gas heat and power cogeneration subsystem, a heat supply subsystem and a fused salt heat storage subsystem, the fuel gas heat and power cogeneration subsystem is used for fuel gas power supply, the fused salt heat storage subsystem can convert solar energy and / or flue gas generated by power supply into heat energy of high-temperature fused salt to be stored, and the heat supply subsystem conducts primary heating on heat supply return water through geothermal energy; and flue gas and / or high-temperature fused salt generated by power supply are / is used for conducting secondary heating on heat supply return water. Geothermal energy, solar energy and fused salt heat storage are coupled, and renewable energy sources are fully utilized for heat and power cogeneration, so that the power supply requirement and the heat supply requirement of a user are met. In the ground source heat pump unit, primary heating is conducted through geothermal energy, heat supply return water is heated into warm water, then the warm water is secondarily heated into hot water through smoke in the gas heat and power cogeneration system, the compression ratio of a compressor in a ground source heat pump can be reduced, and power consumption of the compressor is reduced.
Owner:STATE POWER INVESTMENT CORPORATION RESEARCH INSTITUTE

Geothermal well recharge regulation and control method combined with thermal breakthrough prediction model

The invention discloses a geothermal well recharge regulation and control method combined with a thermal breakthrough prediction model, and particularly relates to the field of geothermal energy development and utilization. According to the method, basic parameters of a thermal reservoir, operation parameters of a recharge system and water quality parameters of a recharge water source are collected and standardized to form a data set, so that a thermal breakthrough risk factor matrix is constructed; a thermal breakthrough prediction model is established by fusing a coupling analysis algorithm and an improved long-short-term memory neural network; after K-fold cross validation and dynamic error compensation algorithm correction, outputting a standard prediction parameter set and a thermal reservoir permeation partition; dividing a thermal breakthrough risk grade by combining the risk factor matrix and geothermal utilization requirements, setting a regulation and control threshold value, and establishing a correction parameter; a regulation and control unit is formed based on the risk level and the permeation partition, a targeted regulation and control scheme is formulated, dynamic matching of the recharge state and the scheme is achieved through real-time monitoring of the Internet of Things, the thermal breakthrough and reservoir blockage risks are reduced, and the recharge stability and sustainability are improved.
Owner:XIXIAN NEW DISTRICT URBAN FACILITIES MANAGEMENT CO LTD +1

Solar cross-quarter energy storage and soil source heat pump coupling heating system

The utility model relates to the technical field of energy conservation and environmental protection, in particular to a solar cross-quarter energy storage and soil source heat pump coupling heating system. The system comprises a solar photo-thermal photovoltaic integrated subsystem, a soil source heat pump coupling heat storage system and a heat user terminal system, the solar photo-thermal photovoltaic integrated subsystem comprises a photo-thermal photovoltaic integrated assembly, a heat exchanger, a storage battery and a circulating pump, and the solar photo-thermal photovoltaic integrated subsystem is used for supplying power to electric equipment of the system and collecting heat; the soil source heat pump coupling heat storage system comprises a soil source heat pump unit, a plate heat exchanger and soil serving as a heat storage medium. And a terminal user maintains proper indoor temperature and required hot water through the heat exchanger. Solar energy and geothermal energy are combined, abundant solar energy is converted into heat energy to be stored in soil in the non-heating season, then the heat energy is taken out through the ground source heat pump for heating in the heating season, renewable energy sources are fully utilized, and the current situation that cold and heat loads are uneven due to long-term operation of the soil is effectively prevented; finally, the purposes of high efficiency, energy conservation and emission reduction are achieved.
Owner:宜兴市日生元科技有限公司

Multi-energy coupling heating system and heating and heat storage method thereof

The multi-energy coupling heating system comprises a geothermal energy utilization module, an air energy utilization module, a solar energy utilization module, an energy storage tank, a control module and the like, and multi-loop cooperation is formed through a pipeline and a circulating pump. The method comprises a winter heating mode and a summer heat storage mode, wherein geothermal energy is used as a basis in winter, solar energy is used for auxiliary heating, and air energy is used for supplementary heating; solar energy is utilized to store heat underground in summer to maintain soil heat balance. And the solar PV / T assembly generates power to be used by system equipment and stores the power. Multi-energy complementation is achieved, the energy self-sufficiency rate is increased, cost is reduced, carbon emission is reduced, stable operation under extreme working conditions is guaranteed, and the system is suitable for rural heating in the northwest region.
Owner:HYDROGEOLOGY BUREAU OF CHINA COAL GEOLOGY ADMINISTRATION

Efficient extraction equipment of deep geothermal exploitation well

The invention belongs to the technical field of geothermal energy development and utilization, and particularly relates to efficient extraction equipment for a deep geothermal exploitation well, which comprises a plurality of water pumping devices, the plurality of water pumping devices are sequentially communicated in series through a plurality of extension pipe fittings, and the water pumping device close to a wellhead is fixedly connected with a steel wire rope on hoisting equipment; the water pumping device comprises a water pumping mechanism, a well cementation assembly and a guide mechanism, the outer wall of the water pumping mechanism is sleeved with the well cementation assembly, the well cementation assembly is used for making friction contact with the well wall so as to keep the working position of the water pumping mechanism in a well, and the guide mechanism is arranged at the bottom end of the water pumping mechanism and used for guiding the water pumping mechanism to work. And the guide mechanism is used for smoothly lowering the water pumping mechanism into the well and keeping the water pumping mechanism coaxial with the well body. It is guaranteed that the water pumping mechanism is stably fixed in a well, smoothly lowered to the bottom of the well and always coaxially positioned with the well body, and the stability of extraction operation is improved.
Owner:CHINA UNIV OF MINING & TECH

Flow through process for thermal depolymerization and monomer repurposing using geothermal energy

A geothermal system including a heat-driven process system using heat extracted from a magma wellbore for driving a thermal process. The system includes a magma wellbore connected to the heat-driven process system in a closed loop. A heated heat transfer fluid conveys the heat from the magma wellbore to a reactor housing a decomposition reaction. The reactor can be a batch reactor, a continuous reactor, or a through-flow reactor. The heat provides the reaction temperature necessary for driving the decomposition reaction of a polymer to an end product. The heat can be provided directly by the heated heat transfer fluid, by an intermediate heat transfer fluid heated by the heated heat transfer fluid, or by a reaction medium heated by the heated heat transfer fluid.
Owner:ENHANCEDGEO HOLDINGS LLC

Geothermal energy system

A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.
Owner:STOIC TRANSITIONAL RESOURCES INC

CNN-LSTM fused geothermal exploitation productivity optimization prediction system

The invention discloses a CNN-LSTM fused geothermal exploitation productivity optimization prediction system, which belongs to the technical field of geothermal productivity prediction, and comprises the following process modules: S1, data acquisition; s1-1, geological exploration equipment; s1-2, geothermal well monitoring equipment is used; s1-3, monitoring equipment of the heating system; s2, data preprocessing; s2-1, a missing value processing unit; s2-2, an abnormal value detection unit; s2-3, carrying out unit normalization; s3, a feature screening module; s3-1, a correlation analysis unit; and S4, a model construction module. The CNN-LSTM fused geothermal exploitation productivity optimization prediction system not only can realize comprehensive data coverage so that the model can accurately capture dynamic changes of a geothermal system, but also can reduce redundant variables through feature screening so as to realize accurate prediction, dynamic optimization and intelligent regulation and control of geothermal exploitation productivity; high-precision, high-efficiency and high-adaptability technical support is provided for scientific development of geothermal energy, and the geothermal energy is promoted to advance towards the predictable, controllable and sustainable direction.
Owner:HEBEI CHENGRE ENERGY TECH CO LTD

Geothermal energy comprehensive utilization system of middle-deep geothermal well

The utility model discloses a geothermal energy comprehensive utilization system of a medium-deep geothermal well, which belongs to the technical field of geothermal energy and comprises a heat exchange system connected with the geothermal well. The power grid is connected with the heat exchange system; the air compressor is connected with the power grid; the power generation device is respectively connected with the air compressor and the power grid; the energy storage device is arranged in the geothermal well, and the energy storage device is connected with the air compressor and the power generation device; by means of the heat exchange system, geothermal energy can be supplied to users for heating in winter, when the geothermal well is idle in summer, the power generation efficiency can be improved through the auxiliary power generation device, and therefore heat energy waste caused by the fact that the geothermal well is idle in summer is avoided.
Owner:CHINA NORTHWEST ARCHITECTURE DESIGN & RES INST CO LTD

Artificial geothermal reservoir construction and development method based on oil shale reverse oxidation

The invention discloses an artificial geothermal reservoir construction and development method based on oil shale reverse oxidation, and belongs to the technical field of resource exploitation, the method comprises the following steps: reservoir well construction: arranging an injection well, an exploitation well and a heat recovery well in a target layer section; an initial high-temperature environment is formed through manual heating, so that the oil shale is pyrolyzed to generate fixed carbon; injecting air to form an oxygen-enriched environment, initiating a fixed carbon oxidation self-heating reaction, and continuously pyrolyzing the oil shale; terrestrial heat is exploited through a circulating working medium, the air flow and components are dynamically controlled, and temperature control and safe operation are achieved; and finally reinjecting and sealing the carbon dioxide. The device can convert low-grade oil shale into clean geothermal energy, and has the advantages of energy conservation and environmental protection.
Owner:JILIN UNIVERSITY

Geothermal heat extractor

A geothermal heat extractor includes a heat transfer fluid and a heat transfer fluid supply conduit. The heat transfer fluid is maintained in the supply conduit in a liquid state at a pressure above its saturation pressure. The geothermal heat extractor further includes a heat transfer fluid return conduit, a geothermal heat source coupled thereto, at least one flow control valve configured to control the flow of the heat transfer fluid from the supply conduit to the return conduit, and an external load coupled to the return conduit. As the heat transfer fluid is provided to the return conduit in the liquid state, the heat transfer fluid vaporizes in the return conduit by heat supplied to the return conduit from the geothermal heat source. The vaporized heat transfer fluid is supplied from the return conduit to the external load.
Owner:JTEC ENERGY INC

Geothermal energy and hydrogen energy comprehensive energy collaborative planning method based on double-layer optimization model

The invention discloses a geothermal energy and hydrogen energy comprehensive energy collaborative planning method based on a double-layer optimization model, and particularly relates to the technical field of energy collaborative planning. Based on the basic data, a double-layer optimization model is constructed, an upper-layer planning model takes energy system full-life-cycle total cost minimization as a first objective function, and a lower-layer operation model takes annual operation cost minimization of the energy system as a second objective function; a KKT conditional mathematical method is adopted, the double-layer optimization model is converted into a solvable single-layer linear programming model, and an optimal programming capacity configuration scheme of the terrestrial heat and hydrogen energy equipment is obtained; and outputting an optimal planning capacity configuration scheme. According to the method, through data processing and parameter acquisition, construction of a geothermal and hydrogen energy collaborative planning double-layer optimization model, model solving and scheme generation, and collaborative planning scheme output, the problems that planning and operation coupling is insufficient, and a geothermal and hydrogen energy collaborative mechanism cannot be modeled finely are solved.
Owner:XIONGAN LONGYUAN CLEAN ENERGY TECHNOLOGY CO LTD

Thermoelectric helium trigeneration system based on medium-deep geothermal energy ORC power generation

The invention provides a thermoelectric helium trigeneration system based on medium-deep geothermal energy ORC power generation. Comprising a modular integrated straight ORC generator set, a heating system, a helium separation pressure storage system, an air cooling / ground cooling composite system and a recharge system. According to the system, a modular integrated direct ORC generator set is adopted, geothermal water directly enters the generator set, an air cooling / geothermal cooling composite cooling cost-reducing and efficiency-increasing technology is arranged, part of heat which is originally lost through an air cooling system is stored underground, cross-seasonal heat storage is achieved, and the energy efficiency and economical efficiency of the system are remarkably improved; and a geothermal helium extraction process system is integrated, so that diversified and efficient utilization of geothermal energy is realized. The system is a poly-generation process technology integrating heat supply, helium extraction and geothermal power generation, and application of geothermal power generation and helium extraction is achieved.
Owner:SINOPEC LVYUAN GEOTHERMAL ENERGY (SHAANXI) DEV CO LTD

Optimization design method for deep and shallow coupling ground source heat pump system based on geological layering

The invention relates to the technical field of geothermal energy utilization, and discloses a geological stratification-based deep and shallow coupling ground source heat pump system optimization design method, which comprises the following steps of S1, acquiring geological stratification information of a target site, and thermophysical parameters, hydraulic parameters and mechanical parameters of each stratification; s2, aiming at a deep heat exchanger element and a shallow heat exchanger element; s3, an operation weight vector is introduced and used for defining the dynamic distribution proportion of building loads borne by the deep heat exchange system and the shallow heat exchange system in the whole life cycle; s4, establishing an optimization model taking the minimization of the total cost of the whole life cycle as a target function; s5, solving the optimization model by adopting an optimization strategy to obtain an optimal solution; and S6, outputting an integrated optimization design scheme according to the optimal solution. The physical layout design and the dynamic operation strategy are subjected to integrated collaborative optimization, the stratum heat-water-force coupling effect is comprehensively considered, and the cost of the whole life cycle is minimized.
Owner:JILIN INST OF ARCHITECTURE & TECH

Device and method for carrying out solar phase change energy storage by utilizing waste oil well

The invention relates to the field of abandoned oil well transformation application, in particular to a device and method for conducting solar phase change energy storage through an abandoned oil well. According to the technical scheme, a water inlet of a heat storage water tank is connected to a water outlet of a first water pump through a pipeline and a first three-way valve, and a first water pump pipeline is connected with a high-temperature water outlet of a solar heat collection system; a water return port of the solar heat collection system is connected to a user water return pipeline at the heat storage water tank through a second three-way valve; the waste oil well adopted by the invention not only utilizes the geothermal energy of the waste oil well, but also serves as an energy storage container of solar energy, and the heat exchange device adopts a layered variable-pitch spiral tube heat exchanger to adapt to the change of ground temperature and water temperature at different depths; the phase change materials filled in the waste oil well are distributed in a multi-melting-point gradient mode according to changes of ground temperature and water temperature, the problem of large-scale long-time efficient energy storage of solar energy can be solved, the effect of supplementing stratum heat is achieved, and the heat exchange efficiency of the waste oil well serving as an energy storage well can be improved.
Owner:SHANDONG PETROCHEMICAL INST

Intelligent operation management system for geothermal energy in severe cold area

The invention belongs to the technical field of ground source heat operation management, and particularly discloses an intelligent operation management system for geothermal energy in a severe cold area. The system comprises an acquired data verification module, a soil dynamic analysis module, a thermal imbalance risk prediction module and a control priority determination module. According to the method, geothermal operation data are collected and verified in real time, key indexes such as heating power, soil accumulated heat taking capacity and heat recovery rate are calculated, meteorological prediction data are combined to drive a soil heat transfer model to conduct prospective simulation, and a heat imbalance risk index is output. And the control priority of the heat supply quality and the soil heat imbalance is dynamically determined and output based on the risk index and the change trend thereof, so that the heat recovery capability of the soil is effectively maintained while the heat supply requirement is met, and meanwhile, the priority management direction between the heat supply quality guarantee and the soil heat imbalance prevention and control is defined; and therefore, effective balance is realized between maintaining the heating demand of the user and protecting the sustainability of terrestrial heat.
Owner:JILIN BILIAN NEW ENERGY TECH CO LTD

Multi-well cooperative enhanced heat exchange method for medium-deep layer ground temperature energy waterless exploitation

The invention relates to the technical field of geothermal energy development and utilization, and discloses a multi-well cooperative enhanced heat exchange method for medium-deep layer geothermal energy waterless exploitation. According to the method, an inverted-cone-shaped heat conduction network comprising a center main heat collecting well, an auxiliary heat conduction well array and a temperature-sensitive phase change heat conduction bridging grouting area is constructed. During operation, a low-temperature working medium is injected into the central well to reduce the temperature of the grouting area to be below the phase change temperature, phase change shrinkage of the microcapsules is triggered, the high-thermal-conductivity filler is induced to make contact with one another, a thermal-conductivity seepage network is constructed, and the thermal conductivity of the grouting area is converted into an enhanced state from a ground state. The auxiliary heat conduction well gathers far-field heat and transmits the far-field heat to the center well according to the gravity assisted heat pipe principle. According to the invention, the microstructure evolution of the material is driven by using a temperature field, the self-adaptive adjustment of the heat conductivity is realized, the heat removal volume is obviously enlarged, the heat loss of the shaft during the non-operation period is reduced, the geothermal energy exploitation efficiency is improved, and the reverse loss of the heat of the working medium in the shaft to the stratum during the non-operation period is reduced.
Owner:HEILONGJIANG PROVINCE 904 ENVIRONMENTAL ENG SURVEY & DESIGN INST CO LTD

Solar energy and geothermal energy storage combined power generation system and method based on sCO2

The invention discloses a solar energy and geothermal energy storage combined power generation system based on sCO2. The solar energy and geothermal energy storage combined power generation system comprises a solar heat collection unit, a geothermal energy injection and exploitation unit, a geothermal reservoir unit and an integrated power generation unit. The solar heat collection unit is used for collecting solar energy, heating sCO2 through the collected solar energy and outputting the heated sCO2. The geothermal energy injection and exploitation unit is used for transmitting the heated sCO2; the geothermal reservoir unit is used for storing the heated sCO2 transmitted by the geothermal energy injection and exploitation unit; and the integrated power generation unit is used for acquiring the sCO2 in the geothermal reservoir unit and performing power generation treatment through the acquired sCO2. The invention further discloses a solar energy and geothermal energy storage combined power generation method based on sCO2. The sCO2 is used as a circulating medium, so that the energy conversion efficiency of the whole power generation system is improved; and meanwhile, the problems of regional imbalance and insufficient intermittency existing in solar energy utilization are solved by selecting a mode of combining solar energy and geothermal energy.
Owner:CHINA THREE GORGES CORPORATION +1

Direct air capture using geothermal cooling towers

Systems and techniques may be used for incorporating direct air carbon dioxide capture capabilities into a working fluid condensing process of a geothermal power plant. An example technique may include causing, using fans, air to flow across condenser coils of a condensing unit, through which power cycle working fluid is circulated, and through a direct air capture (DAC) filtration component, which separates carbon from the air, capturing heat from a geothermal working fluid, and using the heat as thermal energy input to the DAC filtration component or using electrical energy generated from the geothermal power plant as electrical energy input to power the condensing unit and the DAC filtration component. The example technique may include gathering the carbon separated from the air to be injected into a geothermal reservoir or repurposed for another industrial process.
Owner:FERVO ENERGY CO

Surface geothermal heat-energy capture and storage system

A geothermal system exchanges heat between ground which receives geogenic heat 1 from below and a target 7, comprises a continuous loop of heat exchange tubing 3 placed in a region of the ground and s
Owner:ALAN KEITH VOWLES

Geothermal energy vertical heat conduction system and control method

The invention discloses a geothermal energy vertical heat conduction system and a control method, and relates to the technical field of geothermal application, and the geothermal energy vertical heat conduction system comprises a medium circulation loop which comprises a steam guide channel, an underground heat exchange assembly, a liquid injection channel and an overground heat exchange assembly which are sequentially connected in series and closed, and the medium circulation loop is filled with a heat exchange medium; the underground heat exchange assembly is used for exchanging heat with underground heat energy, and the overground heat exchange assembly is used for exchanging heat with an overground load module; the vacuum pump assembly communicates with the medium circulation loop and is used for forming negative pressure in the underground heat exchange assembly; according to the geothermal energy vertical heat conduction system and the control method, the pressure in the medium circulation loop and / or the underground heat exchange assembly is reduced through the vacuum pump assembly, then the boiling point of the heat exchange medium is reduced, the heat exchange medium is accelerated to be converted into the gas state from the liquid state, heat is carried to float to the ground surface through the steam guide channel, and the geothermal energy collection efficiency is improved.
Owner:ANNAIJI TECHNOLOGY (SHANGHAI) CO LTD

Hydrogen production system using geothermal water

The application discloses a hydrogen production system of geothermal water source and belongs to the technical field of hydrogen production. The system comprises a geothermal fluid circulation unit, an electrolyte preheating unit and an electrolytic hydrogen production unit. The geothermal fluid circulation unit realizes the recycling of geothermal water through a geothermal well, a recharge well and a geothermal heat exchanger; the electrolyte preheating unit connects an electrolyte storage tank and the second side of the geothermal heat exchanger through a second circulation pipeline to form a preheating circulation; the electrolytic hydrogen production unit comprises an electrolytic tank and a hydrogen purification device and receives the preheated electrolyte to produce hydrogen by electrolysis. In the preferred scheme, a flash evaporation pressurization and heat supplement unit is further included, the geothermal tail water is subjected to waste heat recovery through a flash tank and a steam compressor to generate high-temperature steam for auxiliary heating of the electrolytic tank. The application uses geothermal energy to replace electric heating to preheat electrolyte, significantly reduces the energy consumption of hydrogen production, has the advantages of reasonable structure, high automation degree, environmental protection and water saving and is suitable for hydrogen production application in areas rich in geothermal resources.
Owner:SHAANXI YUANZHENGXING REAL ESTATE CO LTD

A medium-deep geothermal energy heating system

PendingCN122447852AHeating systemWater pipe
The present application belongs to the technical field of heat supply, and discloses a kind of middle-deep geothermal energy heat supply system, including well site system and plant station system;Production well of well site system is connected with hot water supply pipe by hot water supply branch pipe, and recharge well is connected with hot water return pipe by hot water return branch pipe, and hot water supply branch pipe and hot water return branch pipe are connected with first sedimentation tank;Plant station system includes two heat exchangers connected in series on geothermal pipe, and the heat exchanger is heat exchanged with municipal water return pipe and municipal water supply pipe;Hot water supply pipe and hot water return pipe are connected with one heat exchanger respectively;Municipal pipeline is connected with two heat exchangers respectively, wherein heat pump unit is connected between second heat exchanger and municipal pipeline, and the heat pump unit includes three heat pumps connected in series on medium pipe and municipal branch pipeline, and the plant station system further includes second sedimentation tank, and hot water return pipe and geothermal pipe are connected with second sedimentation tank.The present application has the technical effects of ensuring stable operation of the system and reducing the operating cost of the heat pump system.
Owner:JINAN MUNICIPAL ENG DESIGN & RES INSITITUTE GRP

Automatic operation control method and tool for geothermal energy unit

The invention relates to the technical field of geothermal energy development, in particular to an automatic operation control method and tool for a geothermal energy unit, and the method comprises the steps: building a digital model and interface configuration of each device in the geothermal energy unit, and obtaining key data of the devices; determining the priority of the equipment according to the key data of the equipment, and starting the equipment of each subsystem through the priority of the equipment; wherein the geothermal energy unit comprises a plurality of subsystems; automatic operation of the geothermal energy unit is carried out through dynamic adjustment of an equipment set number instruction; and according to the priorities of the devices, automatic fault switching between the devices is carried out during the automatic operation period of the geothermal energy unit. The stability and the energy efficiency of the geothermal energy unit system are optimized, and the accuracy of automatic operation control of the geothermal energy unit is improved.
Owner:YANCHI ZHONGYING CHUANGNENG NEW ENERGY CO LTD +1

Federal learning-based energy underground subway station design method

The present application relates to geothermal energy development and utilization technical field, specifically to a kind of energy underground subway station design method based on federal learning, through parameter collection, local client local model update, calculation result is uploaded to central server, central server carries out update calculation, issue to local client local model, update iteration until global model robustness, the design result of each module is calculated, and heat exchange efficiency and thermal stress are predicted.The energy underground subway station design method proposed in the present application can fully consider the coordination between indoor user end, unit equipment selection and three kinds of energy station structure pipe end in station, and the design scheme obtained can greatly meet the energy-saving and emission-reducing design concept, with low calculation cost, the influence of heat exchange efficiency and heat exchange process on station structure can be accurately evaluated, and compared with traditional test method and field monitoring method, the cost of manpower and material resources can be greatly reduced.
Owner:DALIAN PUBLIC TRANSPORT CONSTR INVESTMENT GRP CO LTD +2