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用于地热井中的热分布控制及能量回收的方法

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.

一种高原严寒地区氢能辅助地源热泵供热系统及方法

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。

空调器及换热系统

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。

一种利用废弃油井进行太阳能相变储能的装置及方法

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。

一种地源热泵自动控温装置及其使用方法

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。

一种模块化制冷机房及制冷系统和方法

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。

CONTROL DEVICE, GEOTHERMAL HEAT UTILIZATION SYSTEM, CONTROL METHOD, AND PROGRAM

Resumen de: WO2025253978A1

This control device comprises: an operation control unit capable of switching the operation mode of a geothermal utilization system between a heating mode in which water pumped up from a hot water well is returned to a cold water well and a cooling mode in which water pumped up from a cold water well is returned to a hot water well; a calculation unit that calculates the integrated heat storage amount of a past heating operation period during which the operation was performed in the heating mode, and the integrated heat storage amount of a past cooling operation period during which the operation was performed in the cooling mode; and an operation state adjustment unit that adjusts the operation state of the geothermal heat utilization system such that the difference between the integrated heat storage amount of a subsequent heating operation period and the integrated heat storage amount of a subsequent cooling operation period is smaller than the difference between the integrated heat storage amount of the past heating operation period and the integrated heat storage amount of the past cooling operation period.

GEOTHERMAL ENERGY SYSTEM

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.

METHOD FOR OPTIMIZING A DISTRICT HEATING NETWORK

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.

Wärmetauscher für ein Wärmenetz

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.

井下取热系统

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。

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

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。

An standing column well type ground heat exchanger capable of bleeding groundwater and cleaning of water intake wells and its construction method

Resumen de: KR20250171988A

본 발명은 지하수를 히트펌프의 열원으로 사용하기 위한 개방형 지중열교환기 및 이의 시공방법에 관한 것이다. 본 발명의 실시예에 따른 지하수의 블리딩과 취수정의 청소가 가능한 개방형 지중열교환기는 지하수가 유입되는 취수정, 상기 취수정에 취수되는 지하수를 열원으로 열교환하는 열교환기, 상기 열교환기에서 열교환한 지하수를 상기 취수정으로 환수하는 환수배관, 및 상기 환수배관을 통해 환수되는 지하수의 일부를 지중으로 환원시키는 블리딩홀을 포함하고, 상기 블리딩홀은 상기 블리딩홀로 공급된 지하수가 지중으로 환원되면서 상기 블리딩홀에 압력이 낮아짐에 따라 상기 지하수의 환원이 지연되는 것을 방지하도록 상기 블리딩홀의 내압에 따라 외부 공기를 상기 블리딩홀의 내부로 도입하는 블리딩압보완밸브를 포함한다. 따라서, 지하수를 지중으로 신속하게 환원시킬 수 있다.

Functional root heating system and root heating method using the same

Resumen de: KR20250172237A

본 발명은, 종래 동절기 뿌리난방 방법들의 문제점 등을 해결하여 농가의 소득을 증대하기 위한 것으로, 종래의 근권난방(根圈暖房) 방법들에 따르면, 난방시설의 설치 및 철거 등 비용의 문제, 전기료 및 연료대 부담 등 관리상의 문제, 토양의 건조 및 뿌리열상 유발 등 기능상의 문제, 발열 시 농작물 생장에 필요한 영양소 등을 공급하지 못하는 기술상의 문제 등이 있다. 이에 본 발명은, 상기 종래 방법의 문제점들을 개선한 획기적인 농작물 근권난방(根圈暖房) 기술로, 매우 적은 전기에너지를 사용하고도 작물 생장에 필요한 최적의 온도를 발열시키는 발열체를 피복 처리한 발열시트를 열전도성이 탁월한 알루미늄 전도판 내부에 삽입한 후 복사열을 빠르고 균일하게 전도하기 위해 열전도판 덮개로 밀폐한 뿌리난방 시스템을 발명하였고, 여기에 상기 덮개 표면에 뿌리 생장에 필요한 기능성 영양소를 공급해 주는 기능성 부직포 시트를 부착하여 뿌리난방 시스템이 발열 시 농작물의 뿌리 생장에 필수적인 영양소가 뿌리에 흡수되도록 하는 기능성 뿌리난방 시스템을 발명하였다. 본 발명에 따른 뿌리난방 시스템은, 매우 적은 전기에너지를 사용하고도 농작물 생장에 필요한 최적의 온도를 발열시키는 발열체를 피복 처�

HOUSE HAVING TEMPERATURE MAINTAINING PART USING GEOTHERAL

Resumen de: KR20250172070A

본 발명은 외부와 차폐되는 생육공간을 구비하고 지반에 설치되어 상기 생육공간에서 작물이 생육되도록 하는 하우스 본체와; 상기 하우스 본체가 설치된 상기 지반의 내부에 일부가 설치되고 나머지 일부는 상기 하우스 본체와 연결되게 설치되어 지열을 이용하여 상기 하우스 본체 내부의 온도를 일정하게 유지할 수 있도록 하는 온도유지부를; 포함하고, 상기 온도유지부는 일단이 상기 하우스 본체와 연결되는 제1흡배기관과, 타단이 상기 하우스 본체와 일정 거리 이격된 지반의 외부로 돌출되게 설치되며 상기 제1흡배기관과 연통되는 제2흡배기관과, 상기 제1흡배기관과 상기 제2흡배기관 사이에 배치되며 상기 지반에 매립된 형태로 설치되어 지열을 이용하여 상기 하우스 본체의 내부온도가 일정하도록 상기 하우스 본체 내부의 공기가 상기 제1흡배기관과 상기 제2흡배기관을 통하여 유동시에 열교환이 이루어지도록 하는 복수의 현열교환기와, 상기 제1흡배기관과 상기 제2흡배기관이 상기 현열교환기를 통과하지 않고 직접 연결되도록 하는 에어챔버와 상기 에어챔버의 경로상에 설치되는 바이패스 댐퍼로 이루어지는 바이패스부를 포함한 지열을 이용한 온도유지부를 구비한 하우스를 제공함으로써, 지열을 이용하�

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運転方法

Resumen de: JP2025178982A

【課題】システムの規模によらず効率的な運転が可能な地中熱利用熱回収ヒートポンプシステム、及びその運転方法を提供する。【解決手段】ヒートポンプシステム１は、採放熱を行う地中熱源と、地中熱源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、を備えるヒートポンプシステム１であって、通過する熱媒の流量を調整可能な第１の調整弁４１及び第２の調整弁４２と、複数台のＧＳＨＰ１０から第１の調整弁４１に、温められた熱媒が移動する第１の還管２１ａと、複数台のＧＳＨＰ１０から第２の調整弁４２に、冷やされた熱媒が移動する第２の還管２１ｂと、地中熱源から前記複数台のＧＳＨＰ１０に、熱媒が移動する往管２２と、第１の調整弁４１及び第２の調整弁４２から地中熱源に熱媒が移動する第３の還管２１ｃと、第１の調整弁４１及び第２の調整弁４２から往管２２に熱媒が移動するバイパス管２３と、を備える。【選択図】図１

井下取热系统

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。

用于增强中深层地热井换热效率的对接井结构

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。

一种基于发电机组余热回收的供暖系统

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。

一种太阳能与地热能联合集热发电系统及其运行方法

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。

Underground Regenerative heat type Heating and Cooling System using Geothermal

Resumen de: KR20250170447A

본 발명의 지중 축열식 냉난방 시스템은 지면으로부터 일정 깊이의 지중에 수평식으로 형성되고, 축열층이 적어도 한 층 이상을 구비한 지중 축열부와, 열부하에 열적으로 밀결합된 제1열교환관과, 적어도 하나 이상의 축열층 내에 각각 배치된 제2열교환관과, 제1 및 제2열교환관을 연결하는 순환관과, 제2열교환관과 열적으로 밀결합되고 높은 열을 선택적으로 발생하기 위한 보조 열원과, 순환관에 결합되어 순환수를 순환시키는 모터와, 지열 단독 열교환 모드와 지열 및 보조열원 복합 가온 열교환 모드를 제어하는 제어부를 구비한다.

DRILLING LAYOUT FORMED IN A SUBSOIL FOR A GEOTHERMAL INSTALLATION, INSTALLATION AND ASSOCIATED METHOD

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.

SYSTEMS AND METHODS TO BOOST PERFORMANCE IN GEOTHERMAL SYSTEMS

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.

INTERVENTION PROCESS FOR GEOTHERMAL WELLS

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.

SOLAR ENERGY STORAGE AND AQUIFER MANAGEMENT

Nº publicación: US2025373200A1 04/12/2025

Solicitante:

SAUDI ARABIAN OIL CO [SA]
SAUDI ARABIAN OIL COMPANY

Resumen de: US2025373200A1

A solar energy storage management system includes a solar thermal collection unit, a photovoltaic pre-heating system, and heat exchanger. The solar thermal collection unit collects incident radiation and adds heat into a heat transfer fluid. The first photovoltaic pre-heating system pre-heats a spent stream from a utilization facility. The heat exchanger conveys heat from the heat transfer fluid and pre-heated stream to a storage stream for output to an aquifer thermal storage system. A method for managing solar energy storage and production includes collecting incident radiation with a solar thermal collection unit, adding heat into a heat transfer fluid, and conveying the heat transfer fluid to a heat exchanger for later storage of thermal energy in an aquifer thermal storage system. Systems and methods monitor heat storage and operational characteristics of the aquifer thermal storage system.