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Última actualización
13/12/2025 [07:53:00]
Resumen de: US2025146714A1
A method for controlling temperature maxima and minima from the heel to toe in geothermal well lateral sections. The method includes disposing at least a pair of wells proximately where thermal contact is possible. Working fluid is circulated in one well of the pair in one direction and the working fluid of the second well is circulated in as direction opposite. to the first. In this manner temperature equilibration is attainable to mitigate maxima and minima to result in a substantially more uniform temperature of the working fluids in respective wells and the rock formation area there between. Specific operating protocol is disclosed having regard to the temperature control for maximizing thermal energy recovery.
Resumen de: CN121111647A
本发明涉及地热能发电技术领域，提出了一种基于地热能发电的发电装置，包括设置在地热层内部的地热管，地热管的出口端连接有地热泵，地热泵的出口端通过管道连接有旋风分离器，旋风分离器的蒸汽出口通过导管连接有第一汽轮机，旋风分离器的液体出口连接有换热机构，换热机构底部的一端连接有接入地热层的回流管，换热机构的工质入口通过管道连接有工质液泵，换热机构的工质出口通过管道连接有蒸汽发生器，蒸汽发生器的蒸汽出口通过导管连接有第二汽轮机。本发明通过旋风分离器将地热流体分离为高温蒸汽和地热水，高温蒸汽直接驱动第一汽轮机发电，地热水则用于加热低沸点工质驱动第二汽轮机，实现高品位与低品位能量的梯级利用，减少热能浪费。
Resumen de: CN121112503A
本发明公开了一种基于地热与数据中心余热联合驱动冷电联产系统及方法，涉及热力循环技术领域，包括，地热回路，所述地热回路包括地热出水井，设置于所述地热出水井一侧的第一换热器，设置于所述第一换热器一侧的发生器以及设置于所述发生器一侧的地热回水井；数据中心余热回路，所述数据中心余热回路包括数据中心余热源，设置于所述数据中心余热源一侧的第二换热器以及设置于所述第二换热器一侧的第三换热器；其中，所述地热回路通过地热水、所述数据中心余热回路通过数据中心余热源共同实现循环发电，并利用末端地热水驱动制冷循环为数据中心提供冷却，同时利用吸收器和第二冷凝器中的余热预热有机工质，实现冷电联产。
Resumen de: CN121111207A
本申请公开了一种地热井储层改造方法、装置、设备及介质，涉及地热井储层技术领域，获取地热井储层的地层信息和岩石信息，为注入井和采出井部署裂缝检测装置；对注入井和采出井进行压裂测试；若测试结果中压力不大于预设阈值，对注入井和采出井进行分段及疲劳剪切压裂，得到第一疲劳剪切压裂结果；判断第一疲劳剪切压裂结果是否符合预设目标条件；若不符合，利用交替方式对疲劳剪切压裂后的注入井和采出井进行疲劳剪切压裂，得到第二疲劳剪切压裂结果；判断第二疲劳剪切压裂结果是否符合预设目标条件；若符合，对地热井储层进行目标改造，形成空间体积大、连通性好、水损耗小且不短路大量迂回曲折的地热井储层裂缝，提高储层改造效果和取热效率。
Resumen de: CN121112405A
本发明涉及温度调节设备技术领域，提供一种空调器及换热系统。空调器包括：至少一个室内机和室外机，所述室外机设于地下室；所述室内机设有水循环系统，所述室外机设有制冷剂循环系统和热交换器；所述热交换器设于所述水循环系统和所述制冷剂循环系统之间，用于交换所述水循环系统和所述制冷剂循环系统之间的热量。本发明通过将室外机设于地下室，水循环系统在室内机进行换热，换热后与制冷剂循环系统中的制冷剂进行换热，从而达到制冷或制热的效果，噪音小，换热效率高，从而提升用户居住体验和舒适度。
Resumen de: CN121112524A
本发明提供一种地源热泵自动控温装置及其使用方法，涉及地源热泵技术领域，包括：控温箱；控温箱上方固定有第一盖板，控温箱内黏附有隔热层，控温箱内安装有换热部，换热部由电热管和地源水管组成；控温箱内固定有电热管，电热管上螺旋缠绕有地源水管；控温箱上连接有进液管和排液管。本申请在控温核心功能上，装置借助电热管与地源水管的螺旋缠绕结构，能快速实现地源水管内水分的加热，同时通过进液管加入冷水并配合电控阀调控流速与添加量，灵活调整降温效果，满足不同温度需求；辅助部的混合板在电机驱动下沿导向杆移动，结合混合板上的长方形通孔，加速了控温箱内液体的流动与混合，大幅提高液体与地源水管的接触效率，进一步增强控温效果。
Resumen de: CN121126757A
本发明公开了一种模块化制冷机房及制冷系统和方法；所述制冷机房，其包括箱体、制冷主机和顶部调节模块。箱体内腔分为密封腔室和换热腔室。制冷主机安装在密封腔室内。顶部调节模块安装在换热腔室中。顶部调节模块包括相变蓄冷材料、翅片管、风机、保温罩壳、高红外发射率涂层和高吸收率涂层。保温罩壳安装在箱体的顶部；所述保温罩壳能够在日间覆盖换热腔室的顶部开口，在夜间避开换热腔室的顶部开口。相变蓄冷材料设置在换热腔室底部。翅片管部分埋设在相变蓄冷材料中。发明采用集装箱式模块化结构，机房可整体运输至沙漠现场并快速通过管道接口与用户末端及浅层地热系统对接，从而实现了制冷系统的模块化、可移动化与便捷部署。
Resumen de: CN121112385A
本发明提供的一种高原严寒地区氢能辅助地源热泵供热系统及方法，包括地埋管换热子系统、热泵循环子系统和氢能辅助加热子系统，其中：所述地埋管换热子系统的换热介质出口连接热泵循环子系统；所述热泵循环子系统连接供热管网；所述氢能辅助加热子系统用于对地埋管换热子系统出口的换热介质进行加热；本发明有效解决了传统地源热泵在高原严寒地区因土壤温度过低导致的吸热不足、压缩机低压失稳和系统性能系数骤降的核心技术瓶颈。
Resumen de: CN121112377A
本发明涉及废弃油井改造应用领域，特别涉及一种利用废弃油井进行太阳能相变储能的装置及方法。其技术方案是：蓄热水箱的进水口通过管线和第一三通阀连接到第一水泵的出水口，第一水泵管线连接太阳能集热系统的高温出水口；太阳能集热系统的回水口通过第二三通阀连接到蓄热水箱处的用户回水管线；本发明采用的废弃油井除了利用其本身具有的地热能之外，还用作太阳能的储能容器，并且换热装置采用分层变螺距的螺旋管换热器以适应不同深度地温和水温的变化，填充在废弃油井中的相变材料也根据地温和水温变化采用多熔点梯度分布，不仅能解决太阳能大规模长时高效储能问题，实现了补充地层热量的效果，而且还能提高废弃油井作为储能井的换热效率。
Resumen de: US2025377118A1
The invention relates to a method for optimizing a district heating network (1) comprising outgoing supply pipes and incoming return pipes, wherein a heat carrying fluid is circulated to be utilized for residential and commercial heating requirements. For storing excess thermal energy available at the district heating network. the method involves the steps of implementing more than one ground-based borehole thermal energy storage (4) as distributed heat storages at different locations of or along the district heating network (1). Each heat storage (4) is adapted to receive thermal energy from various forms of heat sources. which heat sources may be found at different locations of or along the district heating network (1) such, that the heat sources and the heat storages forming nodes in the district heating network (1). Excess thermal energy available to one node of the district heating network (1) is used to charge a borehole thermal energy storage (4) at one or several nodes, and thermal energy available from the borehole thermal energy storages (4) is at disposal to be used to heat the heat carrying fluid circulated in the supply pipes of the district heating network.
Resumen de: US2025377137A1
A system for geothermal heating, the system comprising a forced geothermal circuit in communication with a well bore; a gyroid heat exchanger, the gyroid heat exchanger in communication with a closed loop working fluid circuit; and a production casing. A method of optimizing energy recovery from a geothermal well comprising selecting a well bore gyroid heat exchanger depth; and adjusting an annulus liquid level.
Resumen de: DE102024116162A1
Es wird ein Wärmetauscher (20) für ein Wärmenetz, insbesondere kaltes Nahwärmenetz oder Fernwärmenetz, mit wenigstens einer Wärmeübertragungsfläche zum Übertragen von Wärme eines Netzfluides des Wärmenetzes auf ein Gebäude-Heizfluid einer Gebäude-Heizung eines Gebäudes (7), insbesondere eines Wohnhauses, wobei wenigstens ein Vorlauf-Anschluss (5) für das Gebäude-Heizfluid und wenigstens ein Rücklauf-Anschluss (5) für das Gebäude-Heizfluid vorgesehen sind, vorgeschlagen, der gegenüber dem Stand der Technik verbessert wird, insbesondere den Aufwand reduziert und/oder die Energieeffizienz sowie die Wirtschaftlichkeit erhöht und/oder neue Funktionalitäten realisiert. Dies wird erfindungsgemäß dadurch erreicht, dass der Wärmetauscher (20) als Erdwärmetauscher (20) ausgebildet ist, wobei der Erdwärmetauscher (20) wenigstens eine Erdreich-Kontaktfläche für das Erdreich aufweist und wobei der Erdwärmetauscher (20) wenigstens eine Wärmenetz-Aufnahme (21) zum Aufnehmen einer Wärmenetz-Leitung (1), insb. eines Wärmenetzrohres (1), des Wärmenetzes aufweist, wobei die Wärmenetz-Aufnahme (21) zumindest die Wärmeübertragungsfläche umfasst.
Resumen de: CN121089275A
本发明属于水热型地热开发换热技术领域，具体地涉及一种井下取热系统，井下取热系统应用于地热井筒中，井下取热系统包括：换热器单元，用于安装在地热井筒中，换热器单元的内部形成有容纳腔；隔离单元，设置在换热器单元的底部并包括壳体和隔离件，壳体的内部形成有能够与容纳腔连通的连接通道，隔离件设置在连接通道中并能够截止或导通连接通道，壳体上形成有连通地热井筒和连接通道的连接孔。上述的井下取热系统，在换热器单元的下方设置隔离单元，隔离单元可以在井下取热系统下入到地热井筒过程中，使地热井筒的地热水可以导通至换热器单元的容纳腔中，便于井下取热系统下入和安装。
Resumen de: CN121089276A
本发明属于水热型地热开发换热技术领域，具体地涉及一种井下取热系统，井下取热系统应用于地热井筒中，井下取热系统包括：换热器单元，用于设置在地热井筒中并延伸至热储层；扰流器组件，设置在换热器单元的下方并用于将热储层的地热水抽出热储层。采用上述的井下取热系统，扰流器组件可以将热储层的地热水抽出，以对热储层的地热水进行扰流，使与换热器单元接触的地热水保持流动状态，井筒内的地热水由热储层内的地热水补充，实现井筒内热量快速补给，提高换热器单元的换热效率。
Resumen de: CN121089274A
本申请提供了光电光热的多储能形式能源利用系统及能源采集利用装置，涉及能源利用技术领域，其中，该系统包括：光电光热模块、固体储能模块和岩土储能利用模块；光电光热模块的光热输出端与岩土储能利用模块的输入端连接，岩土储能利用模块的输出端与建筑用热端连接，光电光热模块的光电输出端与固体储能模块的输入端连接，固体储能模块的输出端与工艺用热端连接，本申请解决了相关技术中的太阳能利用效率不足的技术问题。
Resumen de: CN121066797A
本发明涉及一种太阳能与地热能联合集热发电系统及其运行方法，属于可再生能源开发利用领域。旨在解决现有地热集热器换热效率低、耐腐蚀差、热短路及太阳能与地热能各自局限性引起的能源利用效率低和供电不稳定的问题。系统包括以超临界二氧化碳为循环工质的有机朗肯循环装置，依次连接的压缩机、地热取热器、回热器、槽式太阳能集热器、膨胀机、冷却塔及储液罐。地热取热器采用一体式结构，壳体外表面设有凹槽，内部设有螺旋流道及扰流板；槽式太阳能集热器包含反光面及导热管；运行方法为：超临界二氧化碳依次流经地热取热器、回热器低温侧、太阳能集热器加热；经膨胀机做功后进入回热器高温侧放热；工质在冷却塔内相变为液态后返回压缩机。
Resumen de: CN121067378A
本发明涉及供暖技术领域，具体涉及一种基于发电机组余热回收的供暖系统，包括余热采集单元，包括并联在发电机组凝汽器循环管路上的板式换热器和冷却塔，且两者之间设置切换阀组；地下储能单元，包括通过换热管路连接板式换热器的采灌井一和采灌井二，采灌井一和采灌井二的底部通过高导热填充层实现热耦合；热泵机组单元，包括溴化锂吸收式热泵，其低温热源入口并联连接板式换热器的出口及其中采灌井一的抽水管路。相较于现有技术，本申请通过设置有地下储能单元与切换阀组协同运行，二者协同工作，在保障供热安全的同时，实现了地上地下一体化的余热调蓄、释放与控制，提高了系统的稳定性、调节能力与能源综合利用效率。
Resumen de: CN121067474A
本申请涉及地热开发利用领域，提供一种用于增强中深层地热井换热效率的对接井结构，包括入水井和回流井；入水井具有第一竖直段和至少一个换热对接段；换热对接段的一端与第一竖直段连通；回流井具有第二竖直段和换热路径延长段；换热路径延长段的上端与第二竖直段的底部连通；换热路径延长段除上端外的任意部位与第一竖直段之间的水平间距均大于换热路径延长段上端与第一竖直段之间的水平间距；换热对接段背离第一竖直段的一端与换热路径延长段连通。本申请解决了传统对接井结构换热效率低且占地面积大的问题。
Resumen de: WO2025250875A1
A method for extracting thermal energy from a geothermal reservoir having at least two features includes analyzing subsurface data to determine a first location of a first feature of the at least two features and a second location of a second features of the at least two features. The method further includes analyzing the subsurface data to identify first characteristics of the first feature and second characteristics of the second feature, performing a first intervention at the first location, wherein the first intervention is configured to limit fluid flow into and out of the first feature, and performing a second intervention at the second location, wherein the second intervention is configured to increase a flow rate of geothermal fluid from the second feature into a production well.
Resumen de: WO2025250866A1
A method for extracting thermal energy from a geothermal reservoir having one or more features extending through the geothermal reservoir includes analyzing subsurface data to determine a measured depth of a feature of the one or more that intersects a production well, running a downhole tool along the production well to a location corresponding to the measured depth of the feature, and performing an intervention at the location using the downhole tool, wherein the intervention includes injecting a reactive solution into the feature, wherein the reactive solution is configured to penetrate the feature to a desired depth and according to a desired pattern based on an injection rate of the reactive solution into the feature and a reaction rate of the reactive solution with the feature.
Resumen de: US2025369314A1
A system for injecting a gas into a geothermal reservoir includes an outer tubular and an inner tubular. The outer tubular is arranged within a wellbore and is configured to inject an aqueous solution. The inner tubular is arranged within the outer tubular, and includes a sparger near a downhole end of the inner tubular at a sparger depth from a surface. The sparger includes a plurality of holes. The sparger is configured to inject a gas into the aqueous solution via the plurality of holes. The sparger depth is between 150 and 1200 meters from the surface, and a reservoir depth of the geothermal reservoir from the surface is greater than the sparger depth.
Resumen de: US2025369657A1
Processes and systems are disclosed. The process may include obtaining a plurality of wells, including an injection well and a closed-loop geothermal well, drilled into a geothermally heated formation and inserting a closed-loop geothermal system, including a working fluid configured to extract heat from the geothermally heated formation and supply it to a heat utilization facility, configured to extract heat from the working fluid, located on the surface of the earth, into the closed-loop geothermal well. The process further includes injecting a flow of geothermal fluid into the geothermally heated formation through the injection well, such that the plurality of wells is configured to direct the flow of geothermal fluid from the injection well to the vicinity of the closed-loop geothermal well.
Resumen de: US2025369425A1
A geothermal power generation system includes: gas-liquid separator; power generator; retention tank; re-injection line; re-injection pump; chemical agent injection port in the re-injection line between the retention tank and the re-injection pump; first chemical agent adding device to inject a chemical agent into the chemical agent injection port; branching section in the re-injection line on a downstream side relative to the re-injection pump as well as on a vertically upper side of the re-injection well, and to branch a flow of geothermal brine; first liquid analyzer; scale-piece collector; dissolving agent adding device; and controller to switch between an injection operation and injection stoppage of the chemical agent by the first chemical agent adding device and to switch between an injection operation and injection stoppage of the dissolving agent by the dissolving agent adding device, based on an analysis result of the first liquid analyzer.
Resumen de: US2025369656A1
This layout includes at least one heat exchange unit including at least one central well extending from the surface of the subsoil, at least one flank well extending from the surface of the subsoil and having an inclined lateral portion, at least two separate drains connecting the central well and the inclined lateral portion of the flank well. For the or each heat exchange unit, the central well, the flank well and each drain are set out in the one same vertical plane, the intersections between the drains and the central well and between the drains and the inclined lateral portion being separated from one another and the drains opening inclined by an angle less than 45° with respect to the inclined lateral portion.
Nº publicación: WO2025251074A1 04/12/2025
Solicitante:
GREENFIRE ENERGY INC [US]
GREENFIRE ENERGY INC
Resumen de: WO2025251074A1
Processes and systems are disclosed. The process may include obtaining a plurality of wells (502, 504, 506), including an injection well (504) and a closed-loop geothermal well (502), drilled into a geothermally heated formation (204) and inserting a closed-loop geothermal system, including a working fluid configured to extract heat from the geothermally heated formation (204) and supply it to a heat utilization facility (206), configured to extract heat from the working fluid, located on the surface of the earth, into the closed- loop geothermal well (502). The process further includes injecting a flow of geothermal fluid into the geothermally heated formation (204) through the injection well (504), such that the plurality of wells (502, 504, 506) is configured to direct the flow of geothermal fluid from the injection well (504) to the vicinity of the closed-loop geothermal well (502).
BOPI
Sede Electrónica
