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沥青生产设备及方法

Resumen de: WO2025196011A1

A system (1) for producing asphalt comprises at least one energy supply device (7, 8, 9) for supplying energy, an energy store (5, 12), connected to the at least one energy supply device (7, 8, 9), for storing the supplied energy, and an asphalt mixing system (2) having at least one drying system (3) which is connected to the energy store (5, 12).

一种综合利用地热能和太阳能制热和制冷的系统及方法

Resumen de: CN123007243A

本发明公开了一种综合利用地热能和太阳能制热和制冷的系统及方法，包括：制冷子系统、供暖子系统以及储热子系统；制冷子系统包括：恒温层第一地下井、恒温层抽水泵以及制冷器；供暖子系统包括：供热水泵以及地源热网换热器；储热子系统包括：太阳能流量调阀、直排阀、太阳能加热器、储水罐、给水泵、换热器、恒温层第二地下井、升温层第一地下井、升温层抽水泵以及升温层第二地下井，利用地下恒温层水源在夏季为制冷设备提供冷源；利用太阳能对地下恒温层水源进行充分蓄热，以升温层地下水为介质，为地源热网提供热源。本发明有效利用地热能和太阳能，提高可再生能源的利用效率，并灵活解决居民制冷和采暖的实际需求。

物理辅助机器学习的深层地热换热器运行状态预测方法

Resumen de: CN123012459A

本申请涉及深层地热能开发利用技术领域，尤其涉及一种物理辅助机器学习的深层地热换热器运行状态预测方法，包括：获取井筒结构参数、钻井勘探数据及运行工况参数；根据钻井勘探数据建立考虑岩土分层及地温梯度的解析传热模型，并确定初始地温场；对有限线热源积分路径进行分层处理，计算等效热物性参数，建立分层热响应关系；基于分层热响应关系计算热响应矩阵，结合初始地温场及历史热流增量求解井壁温度，获得解析传热模型输出；利用解析传热模型生成模拟运行数据并构建模拟数据集；利用模拟数据集及实测运行数据训练物理辅助机器学习模型；将待预测工况参数及解析传热模型输出输入训练完成的物理辅助机器学习模型，获得运行状态预测结果。

一种浅层与中深层复合换热井结构

Resumen de: CN123007236A

本发明涉提供了一种浅层与中深层复合换热井结构，涉及地热资源开采技术领域，包括中深层换热井结构、悬挂止水器、多个浅层换热管和井口单元，悬挂止水器设于第一环状间隙中，用于将第一环状间隙在预设深度处封隔；多个浅层换热管环设于生产套管的外壁上，并位于悬挂止水器的上方；浅层换热管路分别与第一环状间隙及浅层换热管相连通，深层换热管路分别与第二环状间隙及中心管相连通；浅层换热循环回路与深层换热循环回路在井口处分别独立连接至地面换热系统，两套循环回路互不干扰，可在同一口井中同时或独立地进行浅层地热能和中深层地热能的开发利用，提高单井的地热资源综合利用效率。

一种ORC-TEG联合地热发电系统

Resumen de: CN123006536A

本申请提供了一种ORC‑TEG联合地热发电系统，系统包括：热源回路，热源回路上串接有热源和蒸发器；有机工质回路，有机工质回路上设置有蒸发器、透平发电机和冷凝器；TEG‑预热器和TEG‑回热器；TEG‑预热器和TEG‑回热器均为热伏发电组件，热伏发电组件包括冷端换热器、热端换热器和夹置于二者之间的若干热电模块；TEG‑预热器的热端换热器接入热源与蒸发器之间的热源回路，其冷端换热器接入蒸发器与TEG‑回热器的冷端换热器之间的有机工质回路；TEG‑回热器的热端换热器接入透平发电机与冷凝器之间的有机工质回路，其冷端换热器接入冷凝器与TEG‑预热器的冷端换热器之间的有机工质回路。通过本发明提供的系统，提高了地热发电系统的净发电功率和能量综合利用效率。

煤田火区残余热能回收与浅层地热利用方法

Resumen de: CN123007235A

本发明公开了煤田火区残余热能回收与浅层地热利用方法，属于煤田火区治理与地热能开发领域。方法包括：采用网格式小口径取心钻探精准勘探火区热能分布；施工U型井或丛式井取热钻孔，使井眼轨迹靠近储层但不穿透；在钻孔内安装地埋管换热器并填充导热回填材料；通过循环管路连接热泵机组构建闭合回路。注入循环工质于地下吸热升温后，经热泵提升品位供用户侧供暖或供热水，放热后工质回流持续循环。系统布设温度、压力及流量传感器动态调控运行参数，可结合储热装置与温差发电模块提升能效。本发明采用面接触换热效率高，通过持续取热逐步降低火区温度，实现热能回收与火区协同治理。

一种地热相变胶囊强化闭式取热系统及方法

Resumen de: CN123007237A

本发明公开了一种地热相变胶囊强化闭式取热系统及方法，包括地热井与井下换热模块、相变胶囊循环与强化换热模块、多模式运行控制模块、地面换热与能量转换模块、热响应监测与预测模块以及集群式协调调度模块；本发明通过在井下同轴套管内设置螺旋导流片，强化了流体与管壁的换热，同时将相变胶囊引入闭式取热系统，利用相变材料的潜热换热，大幅提高了单井取热功率，降低了项目初投资。设计了协同取热、胶囊储能和单独流体取热三种运行模式，可根据用户热负荷和地层温度动态切换，实现了取热功率的连续调节，提高了系统对负荷变化的适应性。

METHOD FOR ENERGY STORAGE VIA SUBTERRANEAN FORMATION FRACTURES BASED ON COMPRESSED AIR AND SYSTEM THEREOF

Resumen de: US20260336938A1

The present application relates to a method for energy storage via subterranean formation fractures based on compressed air and system thereof, comprising the steps of: constructing one or more subterranean formation fractures; sealing pores and/or micro-fractures in the surrounding rock adjacent to the one or more subterranean formation fractures; verifying the air tightness of the one or more subterranean formation fractures; injecting compressed air into a target wellbore for energy storage; and releasing stored energy by reversing and discharging the compressed air. It not only accumulates potential energy from air compression but also stores stress potential energy and elastic potential energy from rock deformation while capturing geothermal energy from the formation. Most significantly, the method is not geographically restricted, enabling subsurface compressed air energy storage to be implemented in any location, thereby substantially expanding the applicability and deployment scope of compressed air energy storage technologies.

APPARATUS, SYSTEM AND METHOD FOR REGULATING FLUID FLOW THROUGH A WELL SYSTEM

Resumen de: CN122514634A

Some embodiments of the present disclosure relate to an apparatus for regulating the flow of a fluid flowing through the apparatus when deployed and held within a well. The apparatus may include: a retention assembly for retaining the apparatus at a desired position within a wellbore; a mandrel having a first end and a second end, defining a longitudinal axis between the first end and the second end, the mandrel defining one or more apertures for effecting fluid communication between the mandrel interior and the mandrel exterior; and a displacement sleeve disposed nesting with the mandrel, the displacement sleeve defining one or more apertures for providing fluid communication between the displacement sleeve interior and the displacement sleeve exterior. The displacement sleeve is displaceable in response to a change in a property of a fluid flowing through the device, where displacement of the displacement sleeve changes a cross-sectional flow area of one of the one or more apertures.

HEAT EXCHANGER

Resumen de: GB2636831A

A heat exchanger 5 is disclosed for the lower end of a pipe (3, fig 1) disposed in a geothermal well bore (2, fig 1). The heat exchanger includes one or more vanes 19 arranged to cause a working fluid exiting the lower end of the pipe to return up the geothermal well bore via a helical path 22 between an outer radius of the pipe and an interior radius of the geothermal well bore. The helical path having a pitch length (P, fig 4B) and a total length (H) parallel to the geothermal well bore. A thermosiphon (1, fig 1) connected to a turbine (9, fig 1) and comprising the heat exchanger is also claimed. A method of coupling the heat exchanger to a pipe and lowering it into a geothermal well bore is also claimed. Use of the heat exchanger or thermosiphon in generation of electricity is also claimed.

坑井内のチャンバを封止するためのデバイス、並びに関連したシステム及び方法

Resumen de: WO2025081275A1

A connector for coupling a well string with a liner hanger, Includes a body, a coupler, and a seal assembly. The body has a length, a thickness, a first end, a second end, and a longitudinal axis. The coupler is operable to releasably secure the connector with a liner hanger, when the connector's body is inserted into the liner hanger to an anchor position. The seal assembly is operable to releasably seal the connector's body with the liner hanger, when the body is inserted into the liner hanger, and includes a seal and an actuating ring. The seal has a length along the body's longitudinal axis, an inside surface located a distance away from the body's longitudinal axis, and an outside surface located a distance away from the body's longitudinal axis that is greater than the distance of the inner surface from the longitudinal axis. The actuating ring compresses the seal when the connector's body is inserted into the liner hanger to the anchor position, to urge the seal to simultaneously contact the body and the liner hanger. To withstand the high-temperature and high-pressure environment often found in geothermal wells, the connector may be made of metal, such as such as AISI 4140 steel, 13 chrome steel, 13Cr-110 chrome steel, 17 chrome steel, 22 chrome steel, 40Cr13 chrome steel, 25 chrome steel, and/or Inconel.

SYSTEM AND METHOD FOR THERMAL ENERGY STORAGE

Resumen de: WO2025188656A1

A system can include: a heat storage medium (e.g., soil, dirt, gley, sand, earth, bedrock, gravel, clay, silt, loam, rock, talus, scree, volcanic material, glacial debris, humus, and/or other earthen material), a heat transfer mechanism (e.g., resistive heater, inductive heater, forced air heater, forced fluid heater, etc.), and a heat output mechanism (e.g., thermoelectric device, fluid coupling, etc.). A method can include heating a heat storage medium with a heat transfer mechanism and extracting heat from the heat storage medium using a heat transfer mechanism.

一种基于半解析模型的中深层地埋管传热传质性能预测方法

Resumen de: CN122987339A

本发明公开了一种基于半解析模型的中深层地埋管传热传质性能预测方法，属于地源热泵技术领域。本发明首先输入中深层地埋管的结构参数、运行参数等，基于解析理论分析中深层地埋管管壁、回填土及岩土中的传热热阻，建立考虑工质热物性变化的工质传热传质方程，进而构建中深层地埋管半解析传热传质模型，其中，工质热物性与温度及压力有关；然后，对该半解析传热传质模型进行迭代求解，计算工质温度及压力随空间和时间的分布，进而计算中深层地埋管传热传质性能。本发明所提出的中深层地埋管传热传质性能预测方法采用了建模简便、计算耗时短的半解析模型，并考虑了工质热物性随温度及压力的变化，可用于精确高效地预测中深层地埋管传热传质性能。

一种中深层的地热供暖机组

Resumen de: CN122981633A

本发明公开了一种中深层的地热供暖机组，涉及地热供暖技术领域，包括集水箱，所述集水箱一侧外壁固定连接有两个抽水管，两个所述抽水管外表面固定安装有深井潜水泵，所述集水箱正面固定连接有密封门，所述集水箱远离密封门一侧外壁固定连接有载物板，通过设置的伺服电机、螺纹杆、移动座驱动的清洁刮板，能够定期自动刮除箱体内壁附着的泥沙、垢层及大颗粒杂质，并推动杂质向密封门处集中处理，并配合粗过滤网、细过滤网和活性炭板多次过滤，有效拦截从大颗粒到微细矿物的各类杂质，大幅降低了地热流体在管道及换热设备内的结垢与腐蚀风险，保障了传热效率，延长了设备整体使用寿命，减少了维护频次与化学清洗剂的使用。

一种二氧化碳超临界无取水地热开采系统及方法

Resumen de: CN122981754A

本发明公开了一种二氧化碳超临界无取水地热开采系统及方法，涉及地热开采技术领域，该系统包括地热井，地热井包括连通的垂直井筒段和水平储层段，水平储层段侧壁为压裂结构；同轴连续油管换热单元贯穿铺设于地热井内，包括外层换热连续管和内层介质输送连续管；保温防护单元设置于内层介质输送连续管外壁；换热单元及二氧化碳热泵等布设于地面，通过井口环空密封结构与同轴连续油管换热单元密闭连通；地面智能控制单元能够维持二氧化碳超临界相变状态运行工况；地面热能输出单元用于将提取的地热能对外输出供能。本发明二氧化碳超临界无取水地热开采系统及方法，换热效率高、运行能耗小，且能够适配废弃油气井，以实现废弃油气井资源化复用。

一种具有双热源协同控制的双循环有机朗肯循环发电系统

Resumen de: CN122980989A

本发明涉及应用特殊工作流体或循环的发动机装置技术领域，公开一种具有双热源协同控制的双循环有机朗肯循环发电系统及方法。系统包括相互隔离且均以R245fa为工质的高温和低温闭式循环；各循环均使R245fa经工质泵加压、蒸发器吸热汽化、膨胀机膨胀做功及冷凝器冷凝后返回工质泵，并驱动发电机发电。干热岩地热流体依次向第一蒸发器和预热器供热，工业余热流体向第二蒸发器供热。控制模块根据实际发电功率调节余热进口调节阀V1，并根据预热器工质出口的温度和压力确定过冷度，在过冷度不高于阈值时增大地热旁通调节阀V2的开度，使预热器出口工质保持液相。本发明实现地热与工业余热的梯级利用，并补偿地热输入波动。

一种模块化光伏或风光互补锂钠电池储能地下水间接冷却热泵空调装置

Resumen de: CN122992926A

本发明公开了一种模块化光伏/风光互补锂钠电池储能地下水间接冷却热泵空调装置，包括模块化主机框架、光伏或风光互补发电单元、锂钠混合储能单元、地下水间接换热单元、水源热泵单元、电池主动热管理单元及智能控制系统。核心创新在于：利用地下水经板式换热器形成闭式二次循环介质，该介质同时作为水源热泵换热介质和储能电池液冷介质，实现地下冷热源与新能源储能系统的一体化耦合；智能控制系统根据电池温度、热泵负荷及取回水温差，通过调节阀组分配热泵支路与电池冷却支路的流量。锂离子与钠离子电池组分别经独立双向DC/DC变换模块接入公共直流母线，规避直接并联风险。回灌井设多孔扩散器并结合温度传感器联动控制，降低热贯通风险。本发明实现新能源发电、储能调节、建筑冷热供应和电池温控一体化，具有储能性能互补、电池热管理高效、模块化快速安装、减缓热贯通等优点，适用于农村自建房等分布式场景。

CLOSED WELL LOOP FOR A GEOTHERMAL SYSTEM

Resumen de: US20260328439A1

0000 A closed well loop is provided for a geothermal system. The closed well loop includes a well (single well) that traverses a subterranean formation to extract heat from the subterranean formation. The well includes a section having an inner pipe that is supported inside an outer pipe in a pipe-in-pipe arrangement. The inner pipe has an interior flow channel that defines a first flow path for circulating working fluid, and the annulus between the inner pipe and the outer pipe defines a second flow path for the circulating working fluid. The well can be configured to extract heat from the subterranean formation and transfer heat to the circulating working fluid that flows in the first and second flow paths. The inner pipe can include a thermally-insulative piping system that reduces the amount of heat transferred from the circulating fluid that flows in the first and second flow paths within the well.

AN INTEGRATED CARBON DIOXIDE CAPTURE SYSTEM WITH GROUND AIR COOLING AND ATMOSPHERIC WATER HARVESTING

Resumen de: WO2026220346A1

The present invention relates to an integrated carbon dioxide (CO₂) capture system with ground air cooling and atmospheric water harvesting. The system comprises a modular container framework 100 housing a photobioreactor array 200 and a chemical carbon dioxide scrubber system 300. An advanced ground air cooling system 500 comprising buried tubes 501 and a sand-phase change material matrix 502 is configured to receive ambient air and reduce its temperature prior to introduction into the container framework 100. An air intake and pre-treatment assembly 600 directs ambient air to the cooling system 500, and an air discharge filtration assembly 700 facilitates air treatment. A condensate management subsystem 900 collects water condensed from the air. A control subsystem regulates airflow and operating parameters for carbon capture and water recovery. The invention also provides a method for carbon dioxide capture and water recovery using thermally conditioned air.

GEOTHERMAL HEAT UTILIZATION SYSTEM, CONTROL DEVICE, CONTROL METHOD, AND PROGRAM

Resumen de: WO2026221050A1

This geothermal heat utilization system comprises: a first well; a pipe extending from the first well; a heat exchanger provided to the pipe; and a water quality detection unit that detects the quality of water in the pipe.

METHOD AND PLANT FOR THE PRODUCTION OF GEOTHERMAL ENERGY THROUGH THE INJECTION OF WATER ORIGINATING FROM A SALTWATER BASIN INTO A GEOTHERMAL RESERVOIR

Resumen de: WO2026220434A1

The present invention concerns a plant (10) for the production of geothermal energy comprising a system (100, 200a, 200b) for the injection of water originating from a saltwater basin (1) into a geothermal reservoir (15); said system comprising: a) a withdrawal unit (2) to withdraw water from a saltwater basin (1); b) one or more water pre-treatment units (3) to remove suspended solids and other dispersed substances deriving from the saltwater basin (1) and obtain pre-treated water; c) one or more pre-treated water treatment units (5) to obtain treated water, said one or more treatment units (5) being selected from the group consisting of an evaporation desalinator, a reverse osmosis unit, a nanofiltration unit, a forward osmosis (TO) unit, an electrodialysis (DE) unit, a membrane distillation (MD) unit, an adsorption desalination (AD) unit, an ion exchange desalination unit, or combinations thereof; d) an injection unit (7) to inject the treated water into the geothermal reservoir (15) of a geothermal plant. There is also provided a method for the production of geothermal energy comprising a step of injecting water originating from a saltwater basin (1) and the use of water originating from a saltwater basin (1) as an injection fluid for a geothermal reservoir (15).

GEOTHERMAL INSTALLATION WITH CASCADED WATER VAPOUR GENERATORS FOR INDUSTRIAL INSTALLATIONS

Resumen de: WO2025125048A1

The invention relates to a geothermal installation with cascaded water vapour generators for industrial installations, comprising: (a) a geothermal source which is designed such that it provides a brine with a temperature in the range from 120 to 300 °C, (b) at least two heat exchangers (2, 3, 4) through each of which the brine can flow on their primary side, the primary side of the respective heat exchangers (2, 3, 4) being arranged in a cascaded manner with respect to its adjacent heat exchanger (2, 3, 4), wherein the respective heat exchanger (2, 3, 4) has a secondary side which is configured such that either supplied water (c1, c2, c3) evaporates as a result of the heat exchange from the primary to the secondary side, or circulating water heats up in a secondary circuit and as a result an evaporator (15, 16, 17) arranged in the secondary circuit evaporates supplied water (c1, c2, c3), (c) a first pipeline, which fluidically connects the withdrawal location (a) of the geothermal source to the cascaded primary sides of the heat exchangers (2, 3, 4), (d) each of the provided heat exchangers (2, 3, 4) has a downstream mineral withdrawal unit (12, 13, 14), (e) a first brine pump (1) which is arranged between the withdrawal location (a) and the primary side of the first heat exchanger (2) in the main flow direction, by way of which the brine is conveyed from the source to the respective cascaded primary sides of the heat exchangers (2, 3, 4) and their respective downstream min

一种地源换热管的施工方法及施工装置

Resumen de: CN122943497A

本申请涉及地源换热管施工领域，公开了一种地源换热管的施工方法及施工装置。该方法包括：完成钻孔并清孔，在孔底保留沉渣容纳段；通过孔口处的导向装置对换热管进行导向下放并矫正偏移；将孔壁自下而上划分为深部换热段和浅层隔热段；在深部换热段注入预设剂量硅基界面活化剂并配合气举扰动清孔，在浅层隔热段注入低剂量活化剂并静置浸泡；独立配制高导热灌浆料与低导热灌浆料；以第一注浆压力泵送高导热灌浆料填充沉渣段与深部换热段；当注浆至分界处时，在不停泵状态下切换抽取低导热灌浆料；以较低的第二注浆压力连续泵送低导热灌浆料，直至填满浅层隔热段。本申请实现了地源孔的分段处理与分层连续注浆。

地热对接井连通点套管组合及其完井工艺方法

Resumen de: CN122942698A

本申请涉及地热对接井技术领域，公开一种地热对接井连通点套管组合及其完井工艺方法，地热对接井连通点套管组合包括管路，以及沿第一方向上依次排布的注水泥器组件、密封组件、活盲板组件，注水泥器组件包括内管和第一固定件，第一固定件连接于内管和管路之间，密封组件包括第二固定件和活塞部件，第二固定件固定连接于活塞部件和管路之间，活盲板组件包括球座和第三固定件，第三固定件固定连接于球座和管路之间，第一固定件的剪断压力大于第二固定件的剪断压力，大于第三固定件的剪断压力；通过对第一固定件、第二固定件以及第三固定件设定不同的剪断压力，使得注水泥器组件、密封组件以及活盲板组件能够按需求先后依次启用，提高了地热对接井连通点套管组合作业的可靠性和可控性。

地表水余热利用装置

Nº publicación: CN122943377A 20/10/2026

Solicitante:

北京市水利规划设计研究院

Resumen de: CN122943377A

本发明涉及热质交换技术领域，公开了一种地表水余热利用装置，包括：气流驱动部件、余热提取单元、余热转化单元、热泵单元，其中，气流驱动部件用于驱动空气流动以形成依次流动通过余热提取单元、余热转化单元的空气流；余热提取单元能够将地表水分散至空气流中，使地表水与空气流进行热湿交换，以将地表水的热量传递至空气流；余热转化单元包括吸湿性换热介质，吸湿性换热介质能够与空气流进行热湿交换，以吸收空气流中的热量和水蒸气；热泵单元包括蒸发器，热泵单元与余热转化单元之间形成吸湿性换热介质的第一循环回路，蒸发器串接于第一循环回路以接收吸湿性换热介质释放的热能，以在低温环境下将地表水余热提取并转化为水源热泵可用的热源。