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一种中深层地热能地埋管及换热系统

Resumen de: CN120506730A

本发明涉及一种中深层地热能地埋管及换热系统，属于中深层地热换热领域。本发明所述一种中深层地热能地埋管及换热系统包括若干个U形管单元，所述U形管单元包括两根塑料管体和用来连接两根塑料管体的弯头，所述塑料管体内壁一体连接有热熔胶层，所述热熔胶层内壁嵌设有螺旋状的金属螺旋片。本发明通过对现有中深层地热能地埋管及换热系统进行优化改进，尤其是通过对地埋管的内部结构进行优化，进一步改善地埋管换热效率，尤其使其适用于中深层地热；地埋管的内径越大，其换热效果越好，从而进一步提升中深层地热的利用率。本发明的换热系统的换热效率更高，特别适合中深层地热换热，地热井深度越深，换热效果差距越大。

一种地热单井采灌内外抽洗互换装置及抽洗互换方法

Resumen de: CN120506198A

本发明公开一种地热单井采灌内外抽洗互换装置及抽洗互换方法，属于地热新能源技术领域；该装置包括：上取水套管，包括上部正扣套管和上套管反扣头；下取水套管，包括下套管反扣头和下部正扣套管；所述上套管反扣头用于与下套管反扣头可拆卸式连接；临时止水短节，包括从上到下依次连接的正扣对接头、上导引管和下导引管；所述上导引管外侧设置有套管外反扣，所述套管外反扣用于与下套管反扣头可拆卸式连接；当套管外反扣与下套管反扣头连接时，所述下导引管伸入下部正扣套管中。本发明一是能提高地热井使用效率，提升地热井寿命；二是能提高回灌效率，提高回灌率；三是利于地热资源开发推广。

一种绿色、环保的深层地热能利用装置

Resumen de: CN120502144A

本发明公开了一种绿色、环保的深层地热能利用装置，包括用于抽取的地热抽取泵以及用于支撑地热抽取泵的支撑腿，所述地热抽取泵包括外壳，所述外壳的底部与支撑腿的顶部固定连接，所述外壳的顶部和左侧固定安装有抽取口，所述外壳的内部设置有存放箱和能源转换器，所述能源转换器位于存放箱的底部，所述存放箱的内部与抽取口配合使用。该发明通过在外壳的内部设置有存放箱来实现对于地热水的存放，在将地热水注入到存放箱的内部，在注入的过程中，将水先经过凹型过滤网来实现过滤，在长时间的使用以后，凹型过滤网的内部堆积大量的杂质，如果不及时的清理很容易造成堵塞，因此利用清理机构来实现对于凹型过滤网的清理。

低温地热能源提取装置及方法

Resumen de: CN120488526A

本发明公开了一种低温地热能源提取装置及方法，涉及地热能源技术领域，其中，低温地热能源提取装置包括换热单元、取热管组、换热管组、以及控制单元；换热单元包括换热罐和多个换热柱，换热柱内设有上隔板、下隔板、调节轴以及驱动组件，上隔板、下隔板以及换热柱的内壁围合形成换热腔室，调节轴设于换热腔室内，沿调节轴的周侧壁间隔设有多个分隔板，多个分隔板将换热腔室分隔为多个扇形换热区，驱动组件驱动调节轴转动，换热柱的侧壁开设有多个检测口，每一检测口与一扇形换热区连通，每一检测口内设有一温差发电片；本发明提供的技术方案能提高地热能源的提取效率。

一种仿生叶脉分形中深层地埋管换热器及换热系统

Resumen de: CN120488525A

本发明公开了一种仿生叶脉分形中深层地埋管换热器及换热系统，涉及换热器结构技术领域，包括换热器的主管道和多个与主管道连通的分支管道，分支管道在主管道上分层布设且呈放射状向外延展，分支管道的密度自上而下逐渐增大，分布形态仿照植物叶脉的分形结构，本发明基于叶脉分形原理，通过分层分区布设多级换热路径，使换热管结构在竖向和水平两个维度上均具备可变密度与适应性分布能力，实现热负荷在地下多深度空间的梯度释放，分支管道的布局密度自上而下逐渐增大，增强地层不同深度的换热耦合能力，从而显著提高换热效率，延缓地源热场饱和趋势，提升地源热泵系统的能效与长期运行稳定性。

一种地热长时储能耦合深度调峰系统

Resumen de: CN120497984A

本发明涉及热电联产机组灵活性改造技术领域，具体为一种地热长时储能耦合深度调峰系统。基于含水层储能单元(ATES)及冷热井对(HW/CW)地热长时储能，结合电热泵机组(EHP)实现了热电联产机组(CHP)余热回收，提高了电网消纳风光电力容量和CHP调峰响应速度；结合电热泵机组(EHP)与两级板式换热器(HX1/HX2)协同储供热运行，实现了CHP三级深度调峰，提升了CHP发电调峰深度及供热范围。总体上，降低了风光弃电率和系统运行成本，适用于大规模风光高渗消纳及热电联产机组深度调峰运行场景。

一种冻土区加筋土桥台系统及其施工方法

Resumen de: CN120486353A

本发明公开了一种冻土区加筋土桥台系统及其施工方法，加筋土桥台系统包括加筋土桥台本体、地源热泵调控系统、清洁能源供电系统、监测系统。加筋土桥台本体包括填土、筋材和预制模块化墙面，地源热泵调控系统的地埋循环管群埋深穿透冻土层至稳定土层，热泵主机借助双循环管路，依靠温度传感器数据与气象预报数据，高温季节转移桥台基底热量防冻土融化，低温季节反向补充热量抑冻胀。清洁能源供电系统的热泵主机和监测系统分时供电保障核心功能。监测系统包括温度传感器、应变计和倾角仪。本发明有效解决冻土区桥台稳定性与冻胀融沉难题，兼具经济与社会效益。

PLANT FOR THE PRODUCTION OF ELECTRICITY, HYDROGEN AND OXYGEN USING GEOTHERMAL ENERGY FROM HOT DRY ROCKS

Resumen de: HRP20240143A1

The plant for the production of electricity, hydrogen and oxygen using geothermal energy from hot dry rocks consists of: connection (PK) to the river from which water is taken, purifier and filter (PF), hydro-turbine and generator (HG) which converts kinetic energy of the water falling from the river to the hot rocks into electricity, input well (UB) from the surface of the earth to the hot rocks, horizontal well (HB) through the hot rocks where the water is heated, output well (IB) through which the heated water vapour emerges to the surface, steam turbine and generator (PG) where steam energy is converted into electricity, electrolysis unit (SE) for the production of hydrogen and oxygen from water vapour, tanks (T) for storing hydrogen and oxygen, heat delivery element (IT) which delivers heat to heat consumers (TT) and enriches the cooled water with oxygen, connection (PO) for returning the rest of the water enriched with oxygen back to the river and measuring, control and computer circuits (MUR) which measure the parameters of the electricity generation process and computer-control the entire system using artificial intelligence. The invention is applied in a way that produces electricity, hydrogen and oxygen from geothermal energy and enables sustainable and clean production of green energy, using potential energy of water, geothermal energy of hot rocks and electrolysis of water vapour for the storage and reuse of hydrogen and oxygen, while simultaneously returning the

DRILLING PERFORMANCE IN A HORIZONTAL EGS DEVELOPMENT

Resumen de: WO2025171116A1

The present invention relates to systems and methods for improving drilling performance in horizontal enhanced geothermal system (EGS) wells. The systems and methods include techniques for drilling horizontal EGS wells developed over a series of successful drilling campaigns in which changes to drilling parameters and corresponding drilling performance outcomes were monitored and documented. Through iterative optimization across multiple drilling campaigns, sustained drilling rates of at least 70 feet per hour over run lengths of 2,800 feet in hard rock formations having unconfined compressive strength between 30-50 ksi have been achieved.

METHODS EMPLOYING DISTRIBUTED TEMPERATURE SENSING AND DISTRIBUTED ACOUSTIC SENSING FOR GEOTHERMAL WELL PLANNING AND DEVELOPMENT

Resumen de: US2025257631A1

Methods for geothermal well planning and development are provided. This includes: installing fiber optic cables that extend within a plurality of shallow wells, wherein the fiber optic cables support both DTS measurements and DAS measurements; connecting DTS interrogators to the fiber optic cables and configuring the DTS interrogators to measure temperature profiles in the plurality of shallow wells over time; determining planned location of one or more geothermal wells that access a geothermal reservoir from the measured temperature profiles; selecting at least one shallow well to be used for DAS measurements; at each selected shallow well, disconnecting the DTS interrogator from the fiber optic cable at the shallow well and connecting a DAS interrogator to the fiber optic cable at the shallow well; and configuring the DAS interrogator at each selected shallow well to measure an acoustic profile in the selected shallow well over time.

RAPID ASSEMBLY AND AUTOMATIC SAMPLING DRILLING TOOL FOR FROZEN SOIL LAYER EXPLORATION

Resumen de: US2025257624A1

A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.

GEOTHERMAL ENERGY SYSTEM

Resumen de: US2025257907A1

A system for geothermal heating comprising: a forced geothermal circuit in communication with a well bore; a well bore heat exchanger; a multilateral channel; a channel casing design; and a pump. A method for geothermal heating comprising: passing a fluid into a thermal circulation system; passing the fluid into a well bore heat exchanger; heating the fluid; passing the heated fluid through a multilateral channel comprising a multilateral channel design casing; and passing a reservoir fluid and the fluid into a heat exchanger. A method for a loop recovery process comprising: passing a circulation fluid into a system for geothermal heating; passing the circulation fluid into a well bore heat exchanger; heating the circulation fluid; passing the heated circulation fluid out of the system for geothermal heating; passing the heated circulation fluid through a heat exchanger of an organic Rankine cycle; and cooling the circulation fluid.

High Temperature Industrial Heat Pump with Novel Method to Make Use of Shallow Low-GradeGeothermal Energy

Resumen de: US2025257905A1

An illustrative heat pump system includes: a positive displacement compressor, an expander, and a recuperator. The compressor provides an sCO2 flow with a pressure ≥15 MPa at a temperature ≥120° C. and a mass flow rate ≥4.5 kg/s to deliver between 1 and 10 MWth of power to a thermal load. The recuperator receives an outlet flow from a thermal source such as a geothermal well thermosiphon and directs it as a compressor inlet flow to the compressor and receives a return flow from the thermal load and directs it to the expander while converting at least some residual heat in the return flow into additional heat for the compressor inlet flow. The expander converts at least some pressure of the return flow into power for the compressor, producing an inlet flow to the source with a pressure no higher than 5 MPa at a temperature no higher than 20° C.

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

Resumen de: WO2025171172A1

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.

IMPROVED COMPOSITIONS AND SYSTEMS TO FORM A THERMALLY CONDUCTIVE SHEATH

Resumen de: WO2025171160A1

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.

MICROSEISMIC MONITORING OF A HORIZONTAL EGS SYSTEM

Resumen de: WO2025170668A1

The present invention relates to systems and methods for monitoring microseismic activity in a geothermal well system using fiber optic sensing technology. The system includes fiber optic cables installed in multiple wells of the geothermal well system. The fiber optic cables enable simultaneous collection of distributed acoustic sensing (DAS) data, strain measurements, and temperature data. By detecting and localizing microseismic events during stimulation and operation of the geothermal well system, seismic activity is maintained within safety thresholds, providing for safe and effective extraction from the geothermal well system.

PHASE CHANGE MATERIAL ENHANCED HEAT EXCHANGER

Resumen de: US2025257906A1

A system with a subterranean borchole, a fluid loop located within the borchole and fluidly coupled to a building energy system of a building, and a thermal material located within the borchole configured to enhance the heat transfer between the fluid loop and the surrounding ground.

ECO-FRIENDLY SYSTEM AND METHOD FOR DELIVERING HOT WATER TO A SANITARY APPLIANCE

Resumen de: WO2025166465A1

There is described a system for delivering hot water to a sanitary appliance. The system generally has a geothermal unit having an input port, an output port, and an underground circuit in fluid communication between the input port and the output port, and a pump moving water from the input port, along the underground circuit, towards the output port, said moving cooling the water below a first temperature; a first conduit in fluid communication with the output port of the geothermal unit and receiving water therefrom; a computer processing unit having a plurality of computing devices generating heat when operating, the computer processing unit in thermal exchange communication with the water of the first conduit, said thermal exchange communication cooling the plurality of computing devices while heating the water to a second temperature greater than the first temperature; and a sanitary appliance receiving the water at the second temperature.

一种中深层地热井同井换热装置及换热方法

Resumen de: CN120466846A

本发明涉及地热资源技术领域，具体涉及一种中深层地热井同井换热装置及换热方法。包括地热井主体，所述地热井主体的外壁和内壁分别安装有回灌井和环形盘。本装置通过滤筒和筛孔可以在潜水泵对地下水进行抽取时进行过滤，同时通过电机可以使得活动块圆周运动，活动块圆周运动会通过圆块、滑块、挤压弹簧、弧形梯形块、挤压块和橡胶柱自身的弹性，对不同位置的筛孔内卡滞的杂物顶出，同时活动块圆周运动会通过刮板对筛孔的外表面进行刮动清理，然后通过清理板、扭簧和固定管可以对刮板刮动的杂物进行阻挡清理，进而提升后续复用刮动效果，从而对筛孔进行可持续清理，避免杂物堵塞筛孔或产生堆积导致水流速降低而影响后续换热操作。

同轴地热换热器和同轴地热换热器的安装方法

Resumen de: CN120466847A

本发明涉及换热器技术领域，公开了一种同轴地热换热器和同轴地热换热器的安装方法，该同轴地热换热器包括：内管和外管，外管套设在内管的外侧，外管的底端设有钻孔部，钻孔部用于在地面钻出安装孔，安装孔用于容置外管，外管与内管之间形成了流动空间，内管的底面与钻孔部之间形成了流动间距，使内管连通流动空间。通过利用外管底部的钻孔部在地面钻出安装孔，利用钻孔部和外管管体代替传统钻头和钻杆，使外管在钻孔过程中直接实现了安装，通过一次操作同时完成了钻孔和安装步骤，省略了固井、完井等步骤，简化了同轴地热换热器的施工步骤，减小了施工难度，有效降低了施工成本，缩短了施工周期，有利于同轴地热换热器的推广与应用。

一种基于地热回收的绿色建筑采暖通风系统

Resumen de: CN120466722A

本发明公开了一种基于地热回收的绿色建筑采暖通风系统，属于建筑节能与可再生能源利用技术领域。本发明采用的技术方案为，一种基于地热回收的绿色建筑采暖通风系统，包括位于建筑内的热交换区、位于地下恒温层的地热回收区，所述热交换区与地热回收区之间设有第一换热组件以将地热回收区的冷量或热量提取后传递至建筑内；埋设于地下恒温层的储热机构，所述储热机构内设有第二换热组件，所述第二换热组件与第一换热组件并联；本发明通过地热回收区与储热机构的并联设计，结合多温度传感器与控制系统实现热能动态调配，解决了地下温度场失衡及多能源系统割裂问题，具有提升能源利用效率、实现跨季节储热、保障系统运行稳定性的优点。

基于能源梯级利用的零碳智能化农业开发利用系统及方法

Resumen de: CN120466848A

本发明涉及基于能源梯级利用的零碳智能化农业开发利用系统及方法，所述系统包括地热井选择与布置模块、地热水采集与预处理模块、换热模块、梯级利用系统构建模块、热水循环回用模块、工况灵活调整模块、智能调控模块、温泉利用及回灌系统和系统储能模块。本发明解决了传统技术中能源浪费、碳排放高及农业适配性不足的问题，实现了农业生产的低碳化与高效化。

关闭矿井地热高效开采装置与方法

Resumen de: CN120444763A

本发明属于关闭矿井地热高效开采技术领域，具体为关闭矿井地热高效开采装置与方法，包括内管，所述内管的外部设置有外管，且外管的外壁固定连接有耐高温内衬层，所述耐高温内衬层的外壁固定连接有高效保温层，且高效保温层的外壁固定连接有防护外层；内管采用螺旋造型并覆盖翅片，外管则构建起多层防护体系，二者协同运作，为高效热交换与能量传输奠定基础。内管选用铝青铜材质，凭借其35‑50W/(m·K)的高导热系数，能够快速吸收地热流体的热量，并利用螺旋结构设计，巧妙地将流体流动路径延长，配合翅片增强流体湍流程度，使得热交换面积显著增加，热交换效率相较于传统直管结构提升30％以上。

一种煤矿井下地热能回收利用装置

Resumen de: CN120444765A

本发明涉及地热回收利用技术领域，且公开了一种煤矿井下地热能回收利用装置，包括安装底板，安装底板底部固定连接有若干支撑腿，安装底板顶部固定连接有安装架，安装架外壁处固定连接有双轴电机，还包括：回收利用机构，回收利用机构内部设置有热交换空间；清洁机构，清洁机构安装设置在回收利用机构的内部；除沉淀机构，除沉淀机构安装设置在清洁机构的底部。本发明设置的两个驱动齿轮和两个从动齿环，在利用本装置对煤矿井地下热水进行回收利用的同时，开启双轴电机带动两个转轴均转动，带动两个驱动齿轮均转动，带动两个从动齿环均转动，带动圆形外壳转动，从而带动毛刷运动，对沾附在进水圆筒外壁处的各种矿物质杂质进行清除。

基于有机朗肯循环原理的一体式能源桩及其施工方法

Nº publicación: CN120444764A 08/08/2025

Solicitante:

上海隧道工程有限公司

Resumen de: CN120444764A

本发明涉及地下工程领域，特指一种基于有机朗肯循环原理的一体式能源桩及其施工方法。包括钢筋骨架；取热段和冷却段，取热段位于冷却段的下方，取热段与冷却段成形为内部封闭的循环结构且内部流动有换热工质；位于冷却段内的发电系统，包括固定于钢筋骨架内的发电机与膨胀机，发电机与膨胀机驱动连接，膨胀机连通于冷却段的循环结构，换热工质在膨胀机内做功并驱动发电机产生电能；位于冷却段内的水泵，水泵连通于取热段的循环结构，进而通过水泵驱动取热段内部的换热工质循环流动。有益效果：将发电机与膨胀机直接埋设于能源桩内，在建造能源桩时对发电系统同步安装，利用土壤中的地热能，在能源桩整个生命周期中均可以自动运行。