Informes de vigilancia tecnológica a medida

一种钢筋混凝土地下换热器预制模块及其安装方法

Resumen de: CN121383461A

本发明涉及地源换热技术领域，公开了一种钢筋混凝土地下换热器预制模块及其安装方法，包括：换热器本体，内部限定出换热通道，换热通道分别与进风管以及出风管连通；螺旋肋呈螺旋形布置于换热通道的内表面。通过换热器本体将换热通道与浅层地层隔开，利用钢筋混凝土制成的换热器本体作为换热结构，具有抗水汽侵蚀和抗挤压变形能力，延长使用寿命；同时，在换热通道内设置螺旋肋，空气进入换热通道后形成旋流，能够避免在通道内壁形成空气边界层，进而提高换热效率。换热器本体的前后两侧设置有换热凹槽，能够增加换热器本体与浅层地层的换热面积，多条换热通道在换热器本体内蜿蜒布置，能够提高管道布置长度，大幅减少沟槽的开挖量。

倾斜微桩能源桩热-力响应试验系统及试验方法

Resumen de: CN121381701A

本发明提供了一种倾斜微桩能源桩热‑力响应试验系统及试验方法，包括微桩能源桩、模型箱、荷载加载装置、循环温控装置、桩顶位移测试装置、数据采集设备和排水系统。微桩能源桩斜置于模型箱中，模型箱配有排水系统与孔压力计，可进行饱和或非饱和土体测试；模型箱外配有循环温控装置，通过换热管向微桩能源桩输送换热液，实现能源桩系统模拟；微桩能源桩桩内和桩表面设有热电偶与应变片，周边土体埋有热电偶，桩顶设有位移计，结合数据采集系统可实现温度、应变与位移数据的收集。本发明可基于饱和或非饱和土体，针对倾斜微桩能源桩施加倾斜轴力，测试桩体温度应力分布及周边土体温度，可用于测试微桩能源桩系统的热‑力响应。

不可采煤层耦合煤层气开采的地热储能系统以及方法

Resumen de: CN121382122A

本发明公开一种不可采煤层耦合煤层气开采的地热储能系统以及方法，包括地面集热单元、注热储能单元及联产单元，地面集热单元收集太阳能和风光过剩电能并转化为高温热能；注热储能单元包括注热装置、注入井、抽采井、人工热储空间、上盖层和下盖层，不可采煤层中位于注入井和抽采井间的部位经改造后形成渗透率为10‑100 mD的人工热储空间，注热装置与地面集热单元、注入井连接，将高温热能注入人工热储空间内储存，且使得人工热储空间内吸附态煤层气解吸为游离态；联产单元与抽采井连接，利用高温热能供暖/供冷、回收游离态煤层气供气发电；如此，开发不可采煤层资源，消纳太阳能和风光过剩能源，实现高效地热储能、稳定发电供暖/供冷。

一种深部高温地热能下废弃有机质氢气开发系统和方法

Resumen de: CN121383464A

本发明涉及制氢技术领域，尤其涉及一种深部高温地热能下废弃有机质氢气开发系统，包括深部地层热储与控温单元，深部地层热储与控温单元包括热储壳体、地热流体循环管路和电辅助加热模块，热储壳体采用耐高温复合地质材料，内部通过地热流体循环管路输送采集的地热流体并配合电辅助加热模块维持400—600℃稳定高温场，本发明的开发系统和方法，通过深部地层热储与控温单元利用地热流体循环管路与电辅助加热模块维持400—600℃稳定高温场，将地热资源作为主热源，较传统工艺降低30%～40%能耗，而U形反应单元外覆热应力缓冲层，采用记忆合金与柔性陶瓷复合材料，可随热应力自动调整刚度。

一种基于深地干热岩层储氢与地热能开发的耦合系统及其工作方法

Resumen de: CN121382148A

本发明涉及新能源开发与储能技术领域，公开一种基于深地干热岩层储氢与地热能开发的耦合系统及其工作方法，耦合系统包括地表子系统、井筒子系统和干热岩储层；地表子系统包括制氢单元、氢气压缩注入模块、发电热电联供单元、气体分离纯化模块和中央控制系统；气体分离纯化模块连接有电网；井筒子系统包括井下采出设备、井筒输送系统和地面井口装置；井筒输送系统包括注入井和生产井，干热岩储层包括若干条相互连通的人工裂隙网络，人工裂隙网络内安装有监测模块。本发明将大规模储氢与干热岩开发结合，利用干热岩储层的空间、高温环境与封闭性，同步实现氢气储存、地热高效提取与转化，破解储氢与增强型地热系统的发展难题。

一种浅层地埋管与中深层地热井串联耦合的双源地热系统

Resumen de: CN121383502A

本发明涉及一种浅层地埋管与中深层地热井串联耦合的双源地热系统，包括地下换热单元、地面热泵单元及用户端，所述地下换热单元、地面热泵单元及用户端相互配合提供冬季供热模式和夏季制冷模式两种运行方式。本发明利用"浅层预热+深层加热"的梯级利用模式，显著提高热泵源侧温度，减少地埋管占地面积，延长了深井使用寿命；另外可在不同季节进行供热和制冷两种模式的切换，通过热泵将夏季余热对地层进行补热，有效的延缓地层衰减速率。

一种地热能源供热状态监测方法

Resumen de: CN121383290A

本发明提供一种地热能源供热状态监测方法，涉及供暖监测技术领域，本发明将供热系统划分为主干网层、支线网层和末端用户层三个层级，并在各层级的功能节点定时采集温度、流量、压力，形成同一时刻的状态快照向量，基于这些快照向量实时计算每个功能节点的热功率，并据此分析各级管网的热能损耗总功率，若某层级热能损耗超出预设阈值，则锁定该层级并筛选其中所有功能节点为监测对象，调取其历史数据，提取多维异常特征，通过对异常特征的序列分析和标准差判据，判定变异时刻，并以变异时刻在连续采样周期内是否均有出现为依据，判断节点是否出现异常及其最早发生时刻，最后结合能量流路径追踪异常传播路径。

一种深层地热开采井的高效抽采设备

Resumen de: CN121382124A

本发明属于地热能开发利用技术领域，尤其涉及一种深层地热开采井的高效抽采设备，包括多个抽水装置，多个所述抽水装置通过多个延长管件依次串联接通，靠近井口的所述抽水装置与吊装设备上的钢丝绳固定连接；所述抽水装置包括抽水机构、固井组件和导正机构，所述固井组件套设在所述抽水机构的外壁上，所述固井组件用于与井壁摩擦接触，以保持所述抽水机构在井内的工作位置，所述导正机构设置在所述抽水机构的底端，所述导正机构用于将抽水机构顺利下放至井内并与井体保持同轴。本发明保障了抽水机构在井内的稳定固定以及顺利下放井底和始终与井体同轴定位，有助于提升抽采运行的稳定性。

一种用于油气中心处理站跨季节储取协同U型井系统

Resumen de: CN121383462A

本申请公开了一种用于油气中心处理站跨季节储取协同U型井系统,属于地热开采及应用技术领域。包括一带二模式地热井、太阳能集热场、除砂器、U型换热器、第一缓冲罐、第二缓冲罐、蒸发器、压缩机、膨胀阀、冷凝器、第一循环水泵、第二循环水泵、第三循环水泵、智能中央控制器、多深度土壤温度传感器阵列、气象数据接口模块及若干智能电动调节阀。本申请通过巧妙的系统构型和阀门控制逻辑，实现了太阳能与地热能在跨季节时间尺度上的高效协同，既利用太阳能和油气中心处理站核心设施产生的余热补充了地热能的消耗，缓解了土壤热失衡，又利用地热能的稳定性弥补了太阳能的间歇性，最终达到了节能减排、延长系统寿命的目的。

一种取热与灌溉双模式U型地埋管换热器及使用方法

Resumen de: CN121383463A

本发明涉及地源热泵技术领域，公开了一种取热与灌溉双模式U型地埋管换热器及使用方法，换热器包括外管、内管和可调式管间锁定机构；所述外管呈U形，埋于地下进行换热；所述外管内伸设置凸台，用于支撑内管，且所述凸台设置于外管的管口处；所述外管上设置有多级可控渗流孔阵列；所述内管伸入外管；所述内管对应所述多级可控渗流孔阵列设置导通孔阵列；所述可调式管间锁定机构与所述内管连接，通过升降所述内管将所述多级可控渗流孔阵列与所述导通孔阵列对齐导通或错位关闭；所述多级可控渗流孔阵列设置于外管的管口处。本发明通过集成换热与灌溉功能，省去独立灌溉系统，实现了地下换热系统与灌溉系统的土地资源共享，提高地下空间的利用效率。

SYSTEMS AND METHODS FOR GEOTHERMAL FOOD DEHYDRATION

Resumen de: AU2024311545A1

Described herein are systems and methods for food dehydration, the systems comprising a geothermal syphoning system, a line, and an enclosure. The systems described herein can be utilized for food dehydration and freeze-drying while using geothermal heated fluid, thereby having little to zero CO2 emissions, and no negative impact on the environment.

SYSTEMS AND METHODS UTILIZING GAS TEMPERATURE AS A POWER SOURCE

Resumen de: US20260022647A1

Systems and generating power in an organic Rankine cycle (ORC) operation to supply electrical power. In embodiments, an inlet temperature of a flow of gas from a source to an ORC unit may be determined. The source may connect to a main pipeline. The main pipeline may connect to a supply pipeline. The supply pipeline may connect to the ORC unit thereby to allow gas to flow from the source to the ORC unit. Heat from the flow of gas may cause the ORC unit to generate electrical power. The outlet temperature of the flow of the gas from the ORC unit to a return pipe may be determined. A flow of working fluid may be adjusted to a percentage sufficient to maintain temperature of the flow of compressed gas within the selected operating temperature range.

GEOTHERMAL THERMOELECTRIC POWER GENERATION MODULE AND GEOTHERMAL THERMOELECTRIC POWER GENERATOR

Resumen de: US20260026262A1

The invention relates to the technical field of geothermal power generation, and particularly to a geothermal thermoelectric power generation module and a geothermal thermoelectric power generator. The geothermal thermoelectric power generation module comprises: a fixing clamp; a plurality of hot heat exchangers and a plurality of cold heat exchangers are arranged in the fixing clamp, the hot heat exchangers and the cold heat exchangers are oppositely arranged, a plurality of thermoelectric modules are arranged between the hot heat exchangers and the cold heat exchangers, and two ends of the hot heat exchanger are respectively provided with a hot water input interface and a hot water output interface; and two ends of the cold heat exchanger are respectively provided with a cold water input interface and a cold water output interface, and the thermoelectric module is connected with a wire and outputs electric energy to the outside.

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Resumen de: AU2024236667A1

The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.

一种采用U型管式透水管桩的浅层地热能交换方法

Resumen de: CN121363814A

本申请提供了一种采用U型管式透水管桩的浅层地热能交换方法，包括以下步骤：步骤S1，预制U型管式透水管桩；步骤S2，安装U型管式透水管桩；步骤S3，地下水通过透水孔进入管腔，与U型管接触；步骤S4，循环介质流经U型管，在此全程流动中，循环介质通过管壁与桩内水体持续进行热交换；步骤S5，通过透水孔，管桩内部的地下水受管桩外部地下水的渗流影响，从而实现地下对流换热功能。提供的浅层地热能交换方法，能够突破固体热传导的壁垒，显著增强换热能力。

一种地热耦合背压机提升供热能力系统及运行方法

Resumen de: CN121346298A

本发明公开了一种地热耦合背压机提升供热能力系统及运行方法，属于背压机热电解耦技术领域。该本发明将热网回水设置两个并联的支路，在热负荷最重期间，第一支路上的热网回水依次在一级热网加热器中被背压机的蒸汽加热，在主热网加热器被地热水加热；第二支路在吸收式热泵中被背压机的蒸汽加热；在储能阶段，地热水被背压机的蒸汽余热加热。该系统通过创新性的系统集成与工艺流程优化设计，实现了地热能与化石能源的协同互补与能源梯级高效利用，有效降低了供热过程中的碳排放强度。

适用于单竖直深井的同轴分流协同换热系统及方法

Resumen de: CN121346405A

本发明公开了一种适用于单竖直深井的同轴分流协同换热系统及方法，其中换热系统包括驱动泵、外部传热管、多个隔热导流管和液体混合调节器：驱动泵设置于地表，通过输送采热流体进入所述外部传热管内进行流动换热；外部传热管套设于单竖直深井的井眼内；多个隔热导流管的直径依次递减，长度依次递增，且按照直径由大到小的顺序依次同轴套设于所述外部传热管内，形成向下流动的换热通道与向上流动的采出通道；液体混合调节器包括液体混合器和多个流量调节阀，多个流量调节阀分别控制不同隔热导流管内不同温度的采热流体的分支流量；液体混合器将多个分支流量进行混合。本发明换热系统结构简单易于建造，且可灵活调节采热流体的温度。

地热系统渗流通道的封堵方法

Resumen de: CN121345475A

本申请涉及地热开发技术领域，提供了一种地热系统渗流通道的封堵方法，包括：向地热系统的干热岩中注入含有化学沉淀剂的沉淀溶液，化学沉淀剂的沉淀温度小于地热系统的第一临界温度，以使化学沉淀剂在干热岩中温度小于第一临界温度的渗流通道中进行沉淀形成沉淀层；再向干热岩中注入含有矿化微生物的生物菌液，矿化微生物的生长温度小于第一临界温度，以使矿化微生物在干热岩中温度小于第一临界温度的渗流通道中生长并诱导形成矿化物进行沉淀形成矿物质层。本申请利用化学沉淀剂化学调控以及微生物诱导沉淀，形成多机制互促、互补的高效封堵体系，实现干热岩中渗流通道的精准可控封堵，有效提高地热采集效率。

一种无动力二氧化碳螺旋环路热管浅层地热道路融雪系统

Resumen de: CN121344999A

本发明公开了一种无动力二氧化碳螺旋环路热管浅层地热道路融雪系统，包括设于路面下方的二氧化碳螺旋环路热管，二氧化碳螺旋环路热管包括相互连通的螺旋管蒸发段、上行气管、下行液管、多U型管冷凝段以及回流抑制器；螺旋管蒸发段、上行气管、下行液管和回流抑制器竖直埋设于路基下岩土体的钻孔内，多U型管冷凝段水平埋设于路基内。本系统的螺旋管蒸发段吸收地热并使工质汽化，上行气管穿过变温层将气相输送至位于路面结构层下方的多U型管冷凝段，工质在此向路面放热并冷凝；冷凝液经下行液管流至回流抑制器，再返回螺旋管蒸发段形成闭式循环。整个系统结构紧凑、传热效率高、布置灵活，适用于匝道、人行道、桥面等复杂场景的防冻与融雪。

MODULAR MEDIUM-DEEP GEOTHERMAL HEAT EXTRACTION DEVICE

Resumen de: WO2026011525A1

A modular medium-deep geothermal heat extraction device, comprising a sleeve and a surface circulation assembly connected to the sleeve. The sleeve is inserted into the surface; a bottom pipe, a plurality of heat extraction pipes, and a plurality of thermal insulation pipes are sequentially arranged in the sleeve from the deepest position outward; the bottom pipe, the heat extraction pipes, and the thermal insulation pipes are each composed of outer pipes and inner pipes which are coaxial; after the plurality of outer pipes are fitted, a cold water channel is formed between the inner pipes and the outer pipes; after the plurality of inner pipes are fitted, a hot water channel is formed inside the inner pipes; the cold water channel is communicated with the hot water channel inside the bottom pipe; and the cold water channel and the hot water channel are connected to the surface circulation assembly. The sleeve of the modular medium-deep geothermal heat extraction device uses a modular design, and a plurality of modules are separately transported to a construction site for assembly, so that production and transportation costs can be saved; and according to different stratum conditions, different numbers of modules can be selected for arrangement, so that the application is more flexible.

GEOTHERMAL HEATING AND COOLING SYSTEM

Resumen de: US20260016196A1

A geothermal heating and cooling system is provided. The geothermal heating and cooling system is used for a house or building structure where the foundation extends to a depth below the ground surface layer and into the ground stable layer. The geothermal heating and cooling system includes insulation provided about outer surfaces of the house or building structure. The geothermal heating and cooling system may also be used in conjunction with water tanks and swimming pools.

SYSTEMS AND METHODS FOR DRILLING GEOTHERMAL WELLS

Resumen de: US20260015910A1

Systems and methods for drilling a geothermal well. The geothermal well can include a vertical borehole defining a longitudinal axis, a first lateral borehole extending from the vertical borehole, a casing, and a pipe. The casing can be positioned within the first lateral borehole, extending to a first location in the vertical borehole, and can include a gauge hole at the first location. The pipe can be disposed within the gauge hole defining an annulus between the pipe and the casing. The annulus and the pipe can define a fluid pathway adapted to circulate fluid between a surface location and a geothermal region.

THERMOCHEMICAL REACTIONS USING GEOTHERMAL ENERGY

Resumen de: TW202436207A

A first aspect is directed to a method for producing hydrogen by thermochemical splitting of water includes injecting one or more feed streams of water into a reaction chamber. The method further includes using heat from a subterranean heat source to carry out the thermochemical splitting of water to form hydrogen and oxygen in the reaction chamber. The formed products are subsequently removed from the reaction chamber. A second aspect is directed to a reaction system includes a wellbore extending from a surface into a subterranean heat source. The reaction system further includes a reaction chamber configured to be maintained at a reaction temperature using heat from the subterranean heat source. The reaction system further includes one or more inlet conduits. The inlet conduits are configured to provide one or more feed streams to the reaction chamber. The reaction system also includes outlet conduits configured to allow flow of one or more product streams.

用于从地热源生成能量的系统及运行和构造该系统的方法

Resumen de: US2025237198A1

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 within the rock formation and in a heat transfer arrangement therewith. The loop cased in steel and cemented in place. The loop to receive working fluid capable of undergoing phase change within the downhole well loop as a result of heat transferred from the rock formation. The system also includes a pump to circulate working fluid, a turbine system to convert the flow of working fluid into electricity, and a cooler.

一种可实现冷热双工况运行的中深层地埋管式井下换热器

Nº publicación: CN121323163A 13/01/2026

Solicitante:

中建三局集团有限公司

Resumen de: CN121323163A

本发明公开一种可实现冷热双工况运行的中深层地埋管式井下换热器，包括：外套管，埋设于地下中深层，其顶端设有开口；第一内套管，设置于外套管内，其顶端和下端均设有开口；第二内套管，设置于外套管内、第一内套管下，其顶端和下端均设有开口；空排止回阀，连接第一内套管的下端开口和第二内套管的顶端开口；其中，外套管、第一内套管和第二内套管内充满流体，外套管和第一内套管的顶端开口均连通地上。本发明既可利用中深层地热能实现冬季低能耗供热，又可利用浅层和中浅层地热能实现夏季制冷工况运行，且无需单独布置浅层地埋管或中浅层地埋管系统，可极大减少占地面积。