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

Resumen de: 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.

GEOTHERMALLY DRIVEN AMMONIA PRODUCTION

Resumen de: 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.

一种中深层地热单井闭式保水换热装置及其换热方法

Resumen de: 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%。

一种地下双竖井式熔盐储热耦合除尘灰利用及蒸汽发生系统

Resumen de: 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。

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

Resumen de: 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。

一种储热耦合中深层地源热泵复合系统及优化配置方法

Resumen de: 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。

一种沙漠地壳人工干热岩热电联产与长期储能系统

Resumen de: 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。

一种岩溶地区浅层地热能竖直地埋管下管辅助方法

Resumen de: 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.

一种地热热管辅助的废弃矿井压缩空气储能系统及方法

Resumen de: CN122688019A

本发明公开一种地热热管辅助的废弃矿井压缩空气储能系统及方法，属于废弃矿井资源化及地热利用技术领域。包括的地表工作系统和地下工作系统相互连接；地表工作系统包括顺序连接的多级压缩机、级间冷却器、压缩热蓄热装置、地面空气加热器、多级膨胀机和发电机；包括的地下工作系统包括地下压缩空气储气库和井下承压管壳式空气换热器，地下压缩空气储气库下方设有储气库底部闭式重力热管组。控制监测系统根据储气库出气温度和井下复合预热段出口温度调节闭式传热介质循环流量和压缩热蓄热装置供热量。本发明既保留储气库底部地热热管调温作用，又通过井下复合预热段使释能空气获得明确的预热路径，提高废弃矿井压缩空气储能系统的热管理稳定性。

一种地下室防水板用节能型抗渗裂度控制系统

Resumen de: CN122687680A

本发明涉及建筑工程技术领域，且公开了一种地下室防水板用节能型抗渗裂度控制系统。该系统包括：全息感知单元实时监测应力、裂缝及水环境；热能调控单元通过介质循环均衡温差；预应力补偿单元利用形状记忆合金干预裂缝；水压泄降单元调节水位并回收能量；智能中枢融合多源数据输出最优策略。本系统通过建立从全息感知到主动干预的闭环体系，实现了对微米级裂缝的早期发现与补偿，解决了现有技术中控裂被动、能耗高及缺乏实时反馈等问题，在提升防水板抗渗可靠性的同时，实现了能源流与结构应力流的耦合管理，具有显著的绿色节能与全生命周期智能维护效果。

基于热影响区重叠度的中深层地埋管群动态间距设计方法

Resumen de: CN122693194A

本发明属于地热能源开发与利用技术领域，涉及基于热影响区重叠度的中深层地埋管群动态间距设计方法，包括：1、定义核心动态指标；2、高保真长期预测模型构建；3、机器学习代理模型训练与数据库生成；4、动态间距优化设计与弹性方案输出；本发明能够提升长期性能可靠性与设计科学性：通过引入“热影响区重叠度”这一动态量化指标，并利用高保真模型与机器学习对其进行长期精准预测，使得间距设计有据可依，从根本上克服了静态间距在长期运行下可能失效的风险，保障系统在全生命周期内的稳定高效运行。

一种关闭矿井遗留巷道模块化换热管廊系统

Resumen de: 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。

一种基于相变螺旋能源锚杆的隧道智能除冰防冻装置及其控制方法

Resumen de: CN122688000A

本发明公开了一种基于相变螺旋能源锚杆的隧道智能除冰防冻装置及其控制方法，属于寒区隧道工程与可再生能源利用技术领域。该隧道智能除冰防冻装置包括地热循环采集系统和智能控制系统。地热循环采集系统包括相变螺旋能源锚杆、地源热泵机组、循环管网及终端散热管网；相变螺旋能源锚杆通过中空钢管嵌套铜质导热管并填充复合相变颗粒，与隧道围岩焊接形成一体化热交换结构，高效采集浅层地热能；地源热泵机组将低品位热能提升后经循环管网输送至埋设于路面及排水沟的毛细管网，定向释放热能实现融冰防冻。智能控制系统通过链接感知模块与决策模块实现精准按需供热。本发明实现了支护结构与热能传输的功能融合，具有地热能梯级利用效率高、智能按需调控及低碳环保的优势，有效解决了寒区隧道冻害防治难题。

一种多井联合干热岩人工热储建造方法

Resumen de: CN122688570A

本发明涉及地热能开发技术领域，具体涉及一种多井联合干热岩人工热储建造方法，包括：裂缝系统评估与内外双层交错井网布置；多井连通性测试与注采井优化选择，实现井间通道导流能力分级；差异化压裂建储，根据导流能力对不同通道采取增强、扩容或限流等策略构建人工裂缝网络；人工热储联通性验证及局部调控；滤失通道识别及封堵控制，优化流体循环和储层利用；本发明使压裂改造措施能够与不同井间通道的导流特征相匹配，并在注采运行阶段对流体滤失通道进行识别和控制，以支持储层稳定注采运行。

Combined Power Generation using Geothermal and Solar Energy

Resumen de: US20260258792A1

0000 Systems and methods are presented for enhancing energy production and storage by integrating solar energy with geothermal processes. In certain embodiments, a hybrid geothermal/solar system increases energy yield from a closed loop geothermal system, stores heat in a wellbore, enhances power generation from geothermal brine, and/or facilitates carbon dioxide sequestration or conversion to fuel, all preferably utilizing solar energy as a supplemental heat source.

SYSTEMS FOR GENERATING ENERGY FROM GEOTHERMAL SOURCES AND METHODS OF OPERATING AND CONSTRUCTING SAME

Resumen de: WO2026178615A1

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.

SYSTEMS FOR GENERATING ENERGY FROM GEOTHERMAL SOURCES AND METHODS OF OPERATING AND CONSTRUCTING SAME

Resumen de: WO2026178614A1

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

POWER CAPSULE VIRTUAL POWER PLANT METHOD, SYSTEM AND DEVICE INCLUDING ARTIFICIAL INTELLIGENT CONTROL

Resumen de: WO2026182960A1

A virtual power plant system including a network of sense and control devices communicatively coupled with a virtual power plant control center that receives data about distributed power generating facilities, power storage apparatuses, power transmission nodes and/or power consumption entities from the devices and optimizes the process of energy generation, storage, re-generation, transmission and/or consumption throughout the network based on the received data.

FRACTURE ORIENTATION IN GEOTHERMAL STIMULATION

Resumen de: WO2026183230A1

The present disclosure relates to systems and methods for extracting geothermal energy from a subsurface rock volume. An orientation of a dominant pre-existing natural fracture fabric within the rock volume is determined, and a stimulation treatment is performed to create a stimulated fracture network whose dominant hydraulic conductivity orientation is substantially aligned with the pre-existing natural fracture fabric rather than with the maximum horizontal stress orientation.

Werkzeug für den Einbau von langen Bodenhülsen

Resumen de: DE102025000741A1

Erdwärmenutzung für die den Betrieb von Wärmepumpen erfolgt bisher durch horizontale Erdkollektoren in einer Tiefe von bis zu 3 Metern oder vertikalen Bohrsonden mit einer Tiefe von bis zu 150 Metern. Der große Flächenbedarf, erforderliche Genehmigungen und die hohen Installationskosten verhindern den Einsatz von Erdwärmepumpen für die Beheizung und Klimatisierung von Gebäuden.Vertikal oder schräg eingebaute Bodenhülsen ermöglichen die genehmigungsfreie Erdwärmenutzung bei minimalem Flächenbedarf. Die bis zu 10 Meter langen Bodenhülsen werden in einem schmalen Graben eingebaut und machen die schnelle und sichere Montage von, speziell für die Hülsenmontage entwickelten Kunststoffwärmetauschern möglich. Der Bodenhülsen-Erdkollektor kombiniert die Vorteile von horizontalen und vertikalen Erdkollektoren und ermöglicht die minimalinvasive Erschließung der Erdwärme in einem Tiefenbereich von 1 bis 11 Metern.Vorhandene Bohr- und Rammtechnik eignet sich nicht für die eine effiziente Montage der langen Bodenhülsen. Das hier vorgestellte Werkzeug für den Einbau von langen Bodenhülsen verkürzt die Montagezeit der Bodenhülsen und erhöht die Wirtschaftlichkeit von Bodenhülsen-Erdkollektoren durch geringe Montagekosten.Das Werkzeug für den Einbau von langen Bodenhülsen ist eine Metallkonstruktion. Die Bodenhülsen sind Metall- oder Kunststoffrohre mit einer Länge von 2 Metern bis zu einer Länge von 12 Metern. Die Innendurchmesser der Bodenhülsen betragen

SYSTEM FOR CAPTURING GEOTHERMAL ENERGY AND METHOD OF USE THEREOF

Resumen de: WO2026182787A1

A system and method for collecting and transferring heat energy from a downhole formation to a surface, wherein the system and method comprise one to a plurality of primary wellbores drilled in the underground formation from which one to a plurality of substantially longitudinal hydraulic fractures are created in the formation. These hydraulic fractures are intersected by one or more secondary wellbores. The system and method to utilize this system are defined by introducing energy-collecting/absorbing fluid, into at least one of the primary wellbores, circulating the energy collecting and absorbing fluid within the substantially longitudinally created hydraulic fractures and taking returns from at least one of the secondary wellbores, or vice versa. Tracers or sensors may be used to monitor and characterize the heat extraction system's performance. Additionally, the intervention discloses control of the heat extraction system performance by managing the injection rate and production rates from each of the wells in the system.

METHODS AND APPARATUS FOR QUANTIFYING THERMAL CONDUCTIVITY AND SPECIFIC HEAT CAPACITY OF SUBSURFACE GEOLOGIC FORMATIONS

Resumen de: WO2026183275A1

A method, device, and system for quantifying thermal properties of subsurface geologic materials are disclosed, addressing challenges in geothermal energy applications. The method involves deploying an array of temperature sensors (105-110) and heating elements (116) encapsulated within an inflatable sleeve (101) into a borehole (115), activating the heating elements (116) to inject heat into the enveloping formation, and measuring a time series of temperature data for subsequent analysis. The device includes an array of temperature sensors (105-110), at least one heater element (116), a power source (113), and an interrogator (114) configured to measure temperature using data from the sensors (105-110). The system incorporates the inflatable sleeve (115) with fiber optic sensors defining a fiber Bragg grating, heating elements (116), a power source (113), and a computing unit (112) programmed to perform numerical inversion for calculating thermal conductivity and specific heat capacity, thereby optimizing borehole heat exchanger designs for geothermal heat pump systems.

A PRESSURE SENSITIVE ELEMENT AND A GEOTHERMAL PIPING SYSTEM

Resumen de: EP4800321A1

0001 Disclosed herein is a pressure sensitive element (2, 2', 2a, 2b, 2a', 2b') for geothermal applications, comprising: - a shell (4, 4', 4a, 4b, 4a', 4b') enclosing a three-dimensional space, the shell (4, 4', 4a, 4b, 4a', 4b') comprising a wall (6a, 6b, 6a', 6b') having a wall thickness, the wall being made of temperature resistant and elastic material, and - a compressible and/or expandable, pressure-sensitive fluid arranged within the shell (4, 4', 4a, 4b, 4a', 4b'). 0002 The shell (4, 4', 4a, 4b, 4a', 4b') is designed to allow expansion or contraction in a first direction (A) upon external pressure change, as seen on a cross sectional plane cut through the shell (4, 4', 4a, 4b, 4a', 4b'). The cross sectional plane is parallel with the first direction (A) and wherein the first direction (A) is determined by a wall thickness of the shell (4, 4', 4a, 4b, 4a', 4b'), which is chosen to be smaller than the wall thickness of the shell (4, 4', 4a, 4b, 4a', 4b') in other parts, at least along a partial length (L) of the wall (6a, 6b, 6a', 6b') in the cross sectional plane.

DIFFUSOR FOR GENERATING STEAM IN A BOREHOLE

Resumen de: EP4800322A1

0001 Herein a diffusor (6) designed to be positioned within a borehole (4) for generating steam comprising: - a supply pipe (2) for supplying liquid having a supply capacity, the supply pipe (2) comprising a free end (2') and a plurality of supply pipe openings (18 18') arranged at the free end; - a diffusor element (12) comprising diffusor element openings; - a protection barrel (10) designed to be arranged around the free end (2') and the diffusor element (12); - at least two pressure sensitive elements (20, 20', 20'') is disclosed. 0002 The supply pipe (2) is connected to the diffusor element (12) via the at least two pressure sensitive elements (20, 20', 20''), the supply pipe openings (18, 18') varying in size in that the size of the supply pipe openings (18, 18') are decreasing towards the free end (2'), wherein the supply pipe openings (18, 18') are designed for handling a capacity that is 3 to 6 % above the supply capacity of the supply pipe (2) and wherein the diffusor element openings are distributed over the diffusor element (12), the diffusor element openings being designed for handling a capacity that is 6% to 12% above the supply capacity of the supply pipe (2).

基于数字孪生的地热供暖系统动态优化方法及相关设备

Nº publicación: CN122672300A 01/09/2026

Solicitante:

华能河南清洁能源有限公司西安热工研究院有限公司苏州西热节能环保技术有限公司

Resumen de: CN122672300A

本发明属于地热供暖技术领域，公开了一种基于数字孪生的地热供暖系统动态优化方法及相关设备；其中，所述方法包括交互数字孪生模型获得实时系统运行参数，实时系统运行参数包括物理监测数据，基于需求侧不确定性权重和供给侧不确定性权重对物理监测数据进行加权分析，根据加权分析结果对实时系统运行参数进行动态调整，得到初始调整系统运行参数，对初始调整系统运行参数进行若干次方向性调整，获得目标系统运行参数，基于目标系统运行参数对目标地热供暖系统进行动态优化；本发明解决了传统地热供暖系统因依赖固定运行策略而导致的能效低下与供暖质量不佳的问题。