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81
resultados
Última actualización
12/11/2026 [06:45:00]
Resumen de: CN123065122A
本发明涉及隧道工程与地热能利用领域，具体公开了一种能源隧道仰拱‑路面一体化双向热交换系统及方法，系统包括仰拱基体、模块化预制热交换板组、路面换热层、循环管路、热泵机组、换向阀组与分区控制单元。预制热交换板内嵌第一换热管组，通过可调支撑组件贴合仰拱曲面，板间填充导热耦合层，采用可拆卸锚固；路面换热层内嵌第二换热管组，采用导热改性分层结构；两组换热管通过换向阀组连接成单套闭合回路，可切换冬夏双向工况；分区控制单元实现分段流量调控。本发明实现了仰拱与路面换热的一体化集成，单套系统兼顾冬季融雪与夏季降温，换热效率高、运维检修便捷，有效提升了能源隧道的全年利用效率与运行经济性。
Resumen de: CN123065087A
本申请涉及能源系统运行控制技术领域，且公开了一种中深层地热能的能源系统优化调度方法，本发明获取包含热泵机组和燃气锅炉的中深层地热能供能系统的多井运行记录，按照热泵工况变化和用户侧回水变化生成分井运行片段，并写入邻井影响标记；从分井运行片段中筛选稳定运行片段，结合取热持续时间和停机恢复时间生成分井基准响应；将实际出水温度响应与分井基准响应同井比对，结合邻井影响、热泵工况变化和用户侧回水变化生成地下恢复不足残差；根据地下恢复不足残差生成分井取热许可，并输出分井循环流量设定值、热泵负荷设定值和燃气锅炉补热量，本发明能够降低多井整体状态掩盖单井恢复不足导致的取热分配偏差。
Resumen de: CN123062931A
本发明公开了中深层换热型地热复合中心保温管及其制备方法，保温管包括无缝金属工作管及包覆于其外壁的复合保温层，所述复合保温层主要由聚氨酯预聚体、γ‑缩水甘油醚氧丙基三甲氧基硅烷/纳米二氧化硅协同改性聚酰亚胺气凝胶、玻璃空心微珠、陶瓷空心微珠、硅灰、纳米氧化铝、玄武岩短切纤维、苯并三唑及助剂组成。采用γ‑缩水甘油醚氧丙基三甲氧基硅烷与纳米二氧化硅协同改性聚酰亚胺气凝胶，提高了填料与聚氨酯基体的界面结合性能，构建了多尺度复合隔热结构，使所得保温管具有导热系数低、耐高温性能优异、耐湿热老化性能好、抗压性能高及长期保温稳定性好的优点。
Resumen de: CN123049854A
本发明公开了一种回形针式闭式循环地热系统设计方法和相关设备，涉及地热能开发、干热岩及中深层地热资源利用、闭式循环井网换热技术领域，本发明中，通过构建回形针式初始井网，扩大了封闭循环通道与高温围岩的接触面积，提高采热能力。通过根据目标热储层的条件数据和回形针式初始井网建立传热‑流动耦合模型，并对分支换热井段的长度和分支间距进行优化，使得井网结构参数的确定具有科学的数值模拟依据。通过对优化井网进行三维井眼轨迹设计和钻完井可实施性校核，并在不满足要求时调整分支换热井段的长度或分支间距后重新模拟直至具有可实施性。根据模拟结果综合确定运行工况，形成了从井网设计到运行工况确定的完整设计流程。
Resumen de: WO2025199175A1
A system, method, and apparatus for generating kinetic energy electricity production concurrent with thermal energy electricity production, chemical energy electricity production or any other electricity production concurrent with kinetic energy power production from a plurality of subsurface wells penetrating or terminating in fluid-bearing, subterranean zones or intervals containing energy producing components which may include heat, fluid flow, pressure, hydrocarbons, water, water comprising sodium chloride of varying concentrations, water comprising hydrogen, hydrocarbons comprising hydrogen, hydrogen alone, or any other energy producing components, or any combination thereof, of these energy producing components. The system involves methods and apparatus summarized in a six-step process that includes: Phase 1 Fluid Production, Phase 2 - Fluid Gathering and Combination, Phase 3 - Kinetic Energy/Thermal Energy Electricity Cogeneration, Phase 4 - Fluid Processing, Phase 5 - Kinetic Energy/Chemical Energy Electricity Cogeneration and Phase 6 - Fluid Pumping, Distribution, and Injection.
Resumen de: CN123045010A
本发明涉及地源热泵低势热源特征识别与能效调控技术领域，尤其涉及一种全周期地源热泵能效寻优调控方法及系统。该方法包括，通过地埋管出口温度恢复曲线识别隐藏状态变量及转变低势热源特征，确定建筑基础热桥附加热流强度基准，结合回归实时标志估计附加热流并扣除，得到地埋管自身热响应成分，更新等效热阻与等效热容，再依据恢复曲线初期斜率平均值与纯土壤热恢复速率上限的差值符号反转确定时间尺度交替边界，执行地埋管分区流量优化调整并年度滚动校正，消除附加热流干扰，实现全周期能效寻优。本发明执行地埋管分区流量优化调整并年度滚动校正，消除季节转换时控制方向反转，提升地源热泵全周期能效。
Resumen de: CN123038573A
本申请提供了一种过滤回灌模块的自动反冲洗控制方法及装置。该方法在第一过滤回路下，实时监测初效过滤器的运行状态参数和进水浊度；若该运行状态参数和进水浊度满足初效过滤器反冲洗条件，则将第一过滤回路切换至第二过滤回路，以对初效过滤器离线冲洗；在清洗过程中根据实时监测的冲洗出水浊度确定冲洗完成；在清洗结束后，根据检测的当前进水浊度和两类过滤器的前后压差状态，将第二过滤回路切换至由预设的最优路径选择规则确定的最优过滤回路。该方法，实现了过滤回灌模块反冲洗的精准触发、高效清洗与智能重构，显著提升了系统运行的稳定性与智能化水平。
Resumen de: AU2025289142A1
Methods, systems, and devices for quantifying geothermal heat flux using shallow subsurface temperature measurements are provided. A method can include deploying vertical temperature probes with fiber optic sensors, strain sensors, and advective sensors at measurement sites. Time-series temperature data is then recorded, processed to determine equilibrium temperature profiles, and corrected for climate-driven signals, strain, and advection effects. Geothermal heat flux is calculated by combining the corrected temperature gradient with subsurface thermal conductivity, and a heat flux map can be generated to identify geothermal energy resources.
Resumen de: US20260348604A1
0000 A passive geothermal heating and cooling system is disclosed. The system includes a buried geothermal airflow core including a plurality of underground air-conveying pipes, each of the plurality of underground air-conveying pipes configured to exchange heat with surrounding soil and each including at least one Venturi accelerator configured to increase airflow generated by natural convection without powered compression. The system includes a thermal hub fluidly coupled to the buried geothermal airflow core and configured to receive air therefrom, the thermal hub includes at least one air filtration element and a distribution chamber. The system includes a climate interface module fluidly coupled to the thermal hub and an air conveyance assembly interconnects the buried geothermal airflow core, the thermal hub, and the climate interface module. The system is configured to deliver whole-building airflow using passive geothermal heat exchange with no continuous electricity consumption during normal operation after installation.
Resumen de: CN123026263A
本发明公开了地热井井口气水分离自动控制系统，包括气液分离罐、缓冲罐、液位检测阵列、控制单元及控制阀组。气液分离罐采集地热井井口介质并完成初步气液分离，地热伴生气经配气管线进入缓冲罐再次分相；缓冲罐顶部设排气管线、底部设排液管线，管线上布置控制阀组；液位检测阵列同步采集缓冲罐内气液液位差或压强差数据并上传至控制单元，控制单元经偏差计量运算得到压差调控参数，驱动控制阀组调节罐内气液液位差，精准控制压力波动。本发明构建数据采集、分析及调控闭环控制逻辑，可动态适配地热开采工况，抑制压力骤变，提升气液分离精度，提高热源介质纯度与伴生气利用率，降低管线冲击与设备过载风险，保障系统稳定运行。
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).
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。
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。
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。
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。
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。
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。
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.
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.
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.
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.
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.
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。
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。
Nº publicación: CN122981754A 27/10/2026
Solicitante:
北京欧优圣特能源技术有限公司
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。
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