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复合中深层地埋管换热结构简化计算方法及结构

Absstract of: CN122735146A

本发明公开了一种复合中深层地埋管换热结构简化计算方法及结构，取一个以钻井中心为原点，包含一个短同轴套管的扇形区域作为简化计算域代替将整个地埋管传热计算域，可大幅降低地埋管传热计算复杂度。在钻井首开段设置数个短同轴套管与钻孔中心长同轴套管复合换热结构，长同轴套管贯穿整个钻井，短同轴套管仅设置于首开段内。首开段长同轴套管外侧加装隔热层，用以抑制首开段长同轴套管向周围岩土散热，以及隔绝长同轴套管与各短同轴套管之间热短路，能增强地埋管换热器的换热能力，同时减少首开段回填材料使用量。本发明能够有效提高钻井首开段空间利用率和换热面积，并显著降低复合换热结构传热分析复杂程度和减少计算工作量。

一种制药车间的复合式地源热泵空调系统及其施工方法

Absstract of: CN122729446A

本发明提出了一种制药车间的复合式地源热泵空调系统及其施工方法，涉及地源热泵技术领域，包括地埋管换热器；地源热泵机组以及反季节地源热泵机组，地源热泵机组的出水口与反季节地源热泵机组的出水口并联汇集连通至一回水总管，回水总管与地埋管换热器的进水端相连通，地埋管换热器的出水端分别与地源热泵机组的进水口、以及反季节地源热泵机组的进水口连通。采用该系统，所排出的两股废弃冷热水在进入回水总管下地之前，率先在总管内进行物理混合与热量中和，能够削减最终排入大地的净热量，不仅减轻了地埋管换热器的热负荷，避免土壤热失衡，还实现了系统内部能量的深度回收，显著降低了整体运行能耗。

基于能耗的地热补偿方法、系统、存储介质及电子设备

Absstract of: CN122729598A

一种基于能耗的地热补偿方法、系统、存储介质及电子设备，涉及数据处理技术领域。该方法包括：获取热泵在不同输入功率下的制热量和地埋管换热区域内基准点的温度数据；根据各所述制热量，确定所述热泵在不同输入功率下的换热效率，并基于各所述换热效率和所述温度数据，确定所述地埋管换热区域的目标换热温度；计算所述目标换热温度对应的目标换热区间；接收所述地埋管换热区域在多个深度对应的分层温度，并根据各所述深度对应的分层温度，计算所述地埋管换热区域的地热温度参考值；结合所述地热温度参考值和所述目标换热区间，对所述地埋管换热区域进行地热补偿处理。实施本申请提供的技术方案，达到了提升地热补偿的效率的效果。

一种关闭矿井采空区分区封隔与定向循环取热系统

Absstract of: CN122729562A

本发明公开一种关闭矿井采空区分区封隔与定向循环取热系统，属于关闭/废弃矿井地热资源开发利用技术领域。该系统包括地面子系统与地下子系统，地下子系统在关闭矿井既有井巷工程基础上设置封隔墙体系、注采通道与导流管路系统、分区阀组系统、温度监测与压力调控系统，通过封隔墙将大范围连通的采空区划分为若干独立的取热单元，换热介质在分区阀组调控下沿预设导流路径流经高温破碎岩体或围岩补热区进行换热后回收至地面。本发明有效避免了采空区内部复杂连通关系导致的流体短路和热短路现象，实现了采空区地热资源的分区管理与定向循环取热，取热效率高、系统运行安全可控。

一种抑制中深层井下换热系统同轴套管热胀冷缩轴向位移的施工工艺

Absstract of: CN122728589A

本申请公开了一种抑制中深层井下换热系统同轴套管热胀冷缩轴向位移的施工工艺，属于中深层地热能开发利用领域，其包括一开二开环空分级锚定固井、温度循环消除残余应力以及金属软连接安装位置优化三道核心工艺。本申请具有从源头主动抑制冷热循环下轴向位移、提高中深层地热井使用寿命和系统运行稳定性的效果。

一种基于地源热泵耦合碲化镉BIPV的分布式能源系统

Absstract of: CN122729406A

本发明公开了一种基于地源热泵耦合碲化镉BIPV的分布式能源系统，属于区域供热系统技术领域。本发明包括：集成于建筑表面的碲化镉光伏组件，且其背板设有流体通道；地源热泵组件，包括蒸发器和冷凝器侧回路；储能储热子系统，用于存储热量、冷量及电能；能源管理系统，根据季节与负荷调整各子系统的运行模式，处于冬季运行模式时，流体通道将碲化镉光伏组件产生的热量传输至蒸发器侧回路，提升地源热泵组件温度并降低碲化镉光伏组件温度；处于夏季运行模式时，流体通道切换至与冷凝器侧回路相连，将地源热泵组件产生的冷量传输至碲化镉光伏组件进行降温。本发明通过流体回路和热力学原理深度耦合，提升光伏寿命、热泵效能，节约建筑能耗。

一种基于低碳开采的地热井口装置

Absstract of: CN122728583A

本发明公开了一种基于低碳开采的地热井口装置，涉及地热能开采设备技术领域。包括装置主体，所述装置主体顶端连接有弯折管，所述弯折管内壁设有对其进行清洁的清洁组件，所述清洁组件包括有两组连接环，两组所述连接环一侧设有传动组件，所述传动组件包括有通过弹簧件连接于弯折管内壁的传动块。本发明通过齿轮驱动连接环周向转动，配合弹性连接杆的弹性顶紧作用，使橡胶块紧密贴合弯折管内壁，对管内垢质进行清理，无需拆管即可完成清理作业，并未，连接环每转一周可开启排渣口，及时排出垢屑以避免二次沉积，从而便于稳定维持管路的有效通径，延缓管壁损耗、延长管道的使用寿命，降低运维能耗与物料消耗。

METHOD AND RELATED DEVICE FOR EVALUATING AND ZONING SHALLOW GEOTHERMAL ENERGY RESOURCES IN BEDROCK FORMATION

Absstract of: AU2025283641A1

A System for Resource-Optimized Drilling in a bedrock formation is provided. The system comprises a Processing Unit configured to obtain geological and hydrogeological data, perform a multi-factor evaluation of rock mass conditions, and determine a resource zoning result. Critically, the system includes a Physical Output Module configured to generate and transmit physical control signals to an automated drilling apparatus, thereby guiding the optimized physical placement of one or more heat exchange boreholes. ec e c o n in g m et h o d eo lo g ic al d at a it h o lo g y h er m al p ro p er ty h er m al d if fu si o n co ef fi ci en t ea t tr an sf er co ef fi ci en t eo th er m al ca p ac it y v al u at e is ad v an ta g eo u s w at er -c o n d u ct iv e an d w at er -s to ra g e st ru ct u re s (l o w es t sc o re ) d v an ta g eo u s st ru ct u re (b u t o n -c o n ce n tr at ed r u n o ff z o n es ) y d ro g eo lo g ic al d at a ed ro ck g ro u n d w at er s u p p ly so u rc es a n d s ea so n al f ea tu re s ro u n d w at er fl o w v el o ci ty ro u n d w at er fl o w r at e ro u n d w at er fl o w d ir ec ti o n ed ro ck g ro u n d w at er -r ic h re g u la ti o n o n -c o n ce n tr at ed ru n o ff z o n es o n ce n tr at ed r u n o ff z o n es (h ig h es t sc o re ) th er q u it ar d ( lo w es t sc o re ) co re in g b ta in in g a th er m al p ro p er ty co n d it io n s co re o d if y in g h ea t tr an sf er c o ef fi ci en t co re in g b ta in in g a h y d ro g eo lo

SYSTEMS AND METHODS TO PLACE A THERMALLY CONDUCTIVE SHEATH IN A GEOTHERMAL WELL

Absstract of: AU2025217736A1

Various systems and methods are presented for placing a multi-segmented TRE sheath into an annular space of a geothermal well for purpose of improved electrical or thermal energy generation.

Systems for Generating Energy from Geothermal Sources and Methods of Operating and Constructing Same

Absstract of: US20260266266A1

0000 The present disclosure describes a system and a method for generating energy from geothermal sources. The system includes an injection well and a production well extending underground, a first lateral section connected to the injection well and a second lateral section connected to the production well, the first and second lateral sections connected with a multilateral connector, and at least one sublateral branch extending from at least one of the first or the second lateral section into the rock formation, defining a pressure-tested downhole well loop fluidly isolated from the rock formation and in a heat transfer arrangement therewith. The downhole well loop cased in steel within the rock formation. The downhole well loop to receive working fluid capable of undergoing phase change between liquid and gas within the downhole well loop as a result of heat transferred from the rock formation and the at least one sublateral branch.

IMPROVED COMPOSITIONS AND SYSTEMS TO FORM A THERMALLY CONDUCTIVE SHEATH

Absstract of: AU2025219591A1

A high-thermal conductivity suspension is provided that comprises a high apparent viscosity carrier fluid and a plurality of high thermal conductivity particles. A system for using this high-thermal conductivity suspension to form a compacted high thermal conductivity sheath is also presented which comprises a step of settling the plurality of high thermal conductivity particles previously suspended in the high viscosity carrier fluid via viscosity breaking and a step of consolidating the settled plurality of particles via hydraulic or chemical consolidation. The resulting high thermal conductivity compacted sheath enhances heat transfer from a target location in a geological formation to a working fluid in a closed-loop heat harvester casing within a geothermal wellbore for electrical or thermal energy generation.

GEOTHERMAL ELECTRICITY PRODUCTION INSTALLATION

Absstract of: US20260266510A1

0000 A geothermal installation for collecting heat for the generation of electricity is provided. The installation includes a fluid transport system comprising at least one fluid injection bore extending from a thermoelectric generator located at or near the Earth's surface to a depth below the Earth's surface sufficient such that energy collected can produce electricity. In particular, a depth of at least 500 m, preferably at least 1500 m, and more preferably at least 3000 m is sufficient to see benefits. The fluid injection bore is connected at the said depth, respectively to a plurality of micro-tunnels which extend outwardly substantially horizontally or diagonally downwardly from a horizontal plane passing through the said depth, preferably interconnected in at least one array. The micro-tunnels in turn are connected with fluid return bores which return a heat transfer fluid to the thermoelectric generator. The fluid transport system is adapted for the flow therethrough to and from the thermoelectric generator of the heat transfer fluid.

GEOTHERMAL COOLING SYSTEM

Absstract of: US20260266511A1

0000 A geothermal cooling system, the system comprising: a geothermal well in communication with a first absorption chiller; the geothermal well comprising: a down hole heat exchanger; a formation intake perforation; and a formation discharge perforation; the first absorption chiller in communication with a chilled fluid header; and a closed upper loop in communication with the first absorption chiller and the geothermal well. A method for cooling an industrial application, the method comprising: passing a formation fluid into an annulus; contacting the formation fluid with a heat exchanger; heating a working fluid; passing the working fluid into an absorption chiller; generating chilled water from the absorption chiller; passing the chilled water to a thermal load of an industrial application; and cooling the industrial application.

NATURAL CIRCULATION EVAPORATOR FOR WATER SUPPLY LINES FOR DECENTRALIZED GEOTHERMAL HEAT RECOVERY

Absstract of: WO2025219012A1

The main claims comprise two types of natural circulation evaporators for water supply lines, both of which permit a functional extension for decentralized recovery of the near-surface geothermal energy that is regeneratively contained in the supply water. This includes, on the one hand, the application to existing pipelines and, on the other hand, a new construction application using a combination pipeline. As a result, heat pumps in the utility buildings in contact with lines can be supplied with low-temperature geothermal heat, from which they generate high-temperature useful heat.

地中熱利用熱回収ヒートポンプシステム、地中熱利用熱回収ヒートポンプシステムの設計方法

Absstract of: JP2026144695A

【課題】地中熱ヒートポンプの運転状況によらず高効率な運転が可能であり、システムの設置コストを削減可能な技術を提供する。【解決手段】採放熱を行う地中熱源５０と、地中熱源５０との間で熱媒が循環することで熱負荷処理を行う複数台のＧＳＨＰ１０と、を備える地中熱利用熱回収ヒートポンプシステム１であって、入力電力を熱として蓄積し、蓄積した熱を出力電力として出力可能な蓄熱発電システム３０と、蓄熱発電システム３０及び複数台のＧＳＨＰ１０から地中熱源５０に、熱媒が移動する還管２１と、地中熱源５０から蓄熱発電システム３０及び複数台のＧＳＨＰ１０に、熱媒が移動する往管２２と、往管２２に合流し、蓄熱発電システム３０及び複数台のＧＳＨＰ１０から往管２２に、熱媒が移動するバイパス管と、を備え、バイパス管が往管２２と合流する部分における熱媒の温度が、地中熱源５０から往管２２に入る熱媒の温度と同等になるように制御される。【選択図】図１

GEOTHERMALLY DRIVEN AMMONIA PRODUCTION

Absstract of: US20250136457A1

Apparatus, system, and method for geothermally driven ammonia production. Hydrogen is generated using energy obtained from the underground magma reservoir and nitrogen is captured from air using the energy obtained from the underground magma reservoir. At least a portion of the generated hydrogen is combined with at least a portion of the generated nitrogen and heated at least to a reaction temperature using the energy obtained from the underground magma reservoir. The heated hydrogen contacts the heated nitrogen for a residence time to form the ammonia.

クローズドループ地熱およびヒートポンプシステム

Absstract of: WO2025046518A1

A method includes determining a specified demand as a function of time of thermal energy from a heat exchanger of a heat pump. The heat pump is configured to transfer thermal energy to the heat exchanger from a geothermal working fluid circulating in a closed-loop geothermal well. The closed-loop geothermal well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone, a second surface wellbore extending from the terranean surface to the geothermal subterranean zone, and plurality of connecting wellbores connecting the first surface wellbore to the second surface wellbore The heat output from the heat exchanger is controlled to meet a specified demand by adjusting at least one of a flow rate or inlet temperature of the geothermal working fluid in the closed-loop geothermal well.

一种地下双竖井式熔盐储热耦合除尘灰利用及蒸汽发生系统

Absstract of: CN122708308A

本发明公开了一种地下双竖井式熔盐储热耦合除尘灰利用及蒸汽发生系统，属于燃煤电厂节能减排储能领域。针对现有地面钢罐占地大、热损失高、成本高及固废未协同处理等问题，利用良好围岩条件设计建造地下双竖井结构替代地面双钢罐，依托岩土体保温降低热损失；集成除尘灰燃烧与竖井内辐射换热，同步实现固废处理与热能捕获；地下管廊式换热舱集中布置蒸汽发生设备，通过保温管道构建熔盐循环回路；智能控制实时监测竖井状态，自动切换储热/放热/待机模式。本发明通过地下集约化利用克服地面制约，除尘灰燃烧耦合熔盐储热提升调峰能力，一体化布局强化系统集成度，实现降本减碳、固废资源化及能效提升多重效益，为燃煤电厂低碳改造提供新路径。

地熱反応器坑井

Absstract of: WO2025041108A1

A geothermal reactor well system includes a closed-loop well coupled to one or more sources of reactants. The closed-loop well includes a first surface wellbore extending from a terranean surface to a geothermal subterranean zone and a second surface wellbore extending from the surface to the zone. A plurality of connecting wellbores connect the first surface wellbore to the second surface wellbore. At least a portion of the connecting wellbores are sealed against communication of fluids with the surrounding geothermal subterranean zone. A carrier fluid is disposed within the closed-loop well. The closed-loop well is configured so heat energy from the geothermal subterranean zone and/or reaction of reactants in the closed-loop well drives the fluids in the closed-loop well to circulate by thermosiphon and to thereby carry the reactants through the closed-loop well for the reaction and carry a product of the reaction through the closed-loop well for collection.

一种岩溶地区浅层地热能竖直地埋管下管辅助方法

Absstract of: CN115897548A

The invention discloses a karst area shallow geothermal energy vertical buried pipe lowering auxiliary process, which belongs to the technical field of vertical buried pipes, and comprises the following steps: detecting the karst cave distribution condition in the vertical direction of a heat exchange hole, and planning the karst cave grouting position and the distribution of a rammed earth layer and a grouting layer in the heat exchange hole; u-shaped pipes penetrate through the earth ramming hammers, and U-shaped pipe elbows are fixedly mounted on the anchoring prefabricated plates and then are lowered to the bottom ends of the heat exchange holes; after an earth ramming hammer is lowered to the designed height of the first section of grouting layer, grouting is started to be conducted in the heat exchange holes; the earth ramming hammer is lifted upwards to the designed height of the first-section earth ramming layer, soil is released into the heat exchange holes, and the earth ramming hammer is lifted repeatedly to compact the soil; and the earth ramming hammer is lifted upwards to the designed height of the second section of grouting layer, and grouting is started to be conducted in the heat exchange holes. The grouting layer blocks the karst cave in the heat exchange hole in the karst area, the grouting layer and the rammed earth layer are distributed at intervals, and the heat exchange efficiency of the U-shaped pipe is improved.

一种沙漠地壳人工干热岩热电联产与长期储能系统

Absstract of: CN122717015A

本发明提供了一种沙漠地壳人工干热岩热电联产与长期储能系统，包括人工干热岩储层建造、太阳能‑地热耦合储热、热电联合生产、电力外送与并网四大环节。首先，利用AI在沙漠选址，通过模块化钻井构建人工干热岩储层。储能阶段，聚光太阳能加热工质并注入地下，与岩体换热实现长期储能。调用时，抽取高温工质发电，余热回收后循环使用。电能经高压直流并网，支持电网调峰。系统具备标准化复制能力，可扩展为分布式储能服务平台，实现清洁能源高效利用。

可重构式地埋管群模块化单元与动态拓扑连接系统及方法

Absstract of: CN122708435A

本发明属于地热能源开发与利用技术领域，涉及可重构式地埋管群模块化单元与动态拓扑连接系统及方法，包括：模块化地埋管单元与可重构连接管网，模块化地埋管单元的进水支路、回水支路与可重构连接管网的总供水干管、总回水干管、多条中间压力级管路分别连通至中央控制阀组；电动调节阀、中央控制阀组电连接至中央控制器；中央控制器控制电动调节阀的开关或流量将进水支路、回水支路连通至总供水干管、总回水干管或者多条中间压力级管路实现整个管网生成多种预设或动态生成的拓扑结构；本发明能够显著提升系统长期能效与可持续性，增强系统具备应对不确定性的韧性与自适应能力。

一种中深层地热单井闭式保水换热装置及其换热方法

Absstract of: CN122708434A

本发明涉及中深层地热能开发利用领域，公开了一种中深层地热单井闭式保水换热装置及其换热方法，包括地表主体，所述地表主体的内侧贯穿有井筒主体，所述井筒主体的内壁设置有热胀冷缩密封件，所述热胀冷缩密封件的内侧设置有外换热管，所述外换热管的内腔设置有内保温管，所述地表主体的表面设置有井口集成控制单元，所述外换热管与内保温管之间开设有环空流道，所述内保温管的内腔开设有中心流道。通过采用全井段双级密封和弹性补偿结构，彻底解决介质渗漏、地层失水问题，符合国家水资源保护政策，整体结构逆流换热加螺旋肋片配合高导热涂层，单井功率≥200kW，双层真空内管可以使热损失小于5%，比常规提升30%。

一种储热耦合中深层地源热泵复合系统及优化配置方法

Absstract of: CN122712839A

本发明提供一种储热耦合中深层地源热泵复合系统及优化配置方法，将储热作为核心功能单元引入系统架构，建立五位一体协同架构与多目标优化方法，实现谷电储热、峰电释热、负荷平滑、电网友好的协同运行，输出最优配置方案；该方法包括：步骤1，系统架构构建与多维度精细化建模；步骤2，多目标优化函数构建；步骤3，联合仿真与优化求解；在TRNSYS GenOpt联合仿真平台上，采用改进GPS Hooke‑Jeeves模式搜索算法，并引入储热约束惩罚项处理热泵出力约束、储热容量/充放热功率/热损失约束、系统供能热平衡约束、电网功率与消纳约束、末端供能温度约束的多维约束，经过迭代寻优，最终输出；步骤4，最优配置方案输出。

一种关闭矿井遗留巷道模块化换热管廊系统

Nº publicación: CN122688571A 04/09/2026

Applicant:

中国矿业大学

Absstract of: CN122688571A

本发明涉及矿井地热资源利用技术领域，特别是涉及一种关闭矿井遗留巷道模块化换热管廊系统，包括可调节的支撑固定结构、模块化换热机构、分配机构及调控机构；换热机构包括若干模块化拼装的换热模块，通过支撑固定结构固定在巷道内；分配机构包括集水器和分水器，分水器和集水器连通在换热模块两端，按需分配冷介质并回收升温后的介质输送至地面热泵机构换热降温后再回流至分水器中形成闭式循环；调控机构用于控制介质的分配。本发明通过复用废弃矿井既有巷道空间，大幅减少新建工程量，实现灵活适配、分段精准换热与便捷维护，实现了废弃矿井地下空间与地热资源的高效协同利用，利于规模化推广应用。