Resumen de: CN122758979A
本发明提供了一种多含水层结构地热井出水温度控制方法,涉及水热型地热资源开采技术领域,可以在获取地热井的地质信息之后,建立三维非稳态渗流‑传热耦合数值模型,从而根据地热井的地质信息进行模型的迭代,得到满足阈值要求的确定的三维非稳态渗流‑传热耦合数值模型,最后利用确定的三维非稳态渗流‑传热耦合数值模型,计算各含水层的目标流量,并根据计算得到的各含水层的目标流量对复合套管的滤水功能段的开度进行调节,解决了传统开采模式只能"被动接受"地下混合后的温度,无法根据地面用热需求主动设定和调节出水温度的技术问题,实现了根据地面用热需求主动设定和调节出水温度,扩大了地热资源的精细利用需求和应用范围。
Resumen de: CN122757955A
本发明提供一种基于流量‑温度协同的地热能井下换热优化方法及系统,所述方法包括:获取流体温度时序数据、流体流量时序数据以及围岩温度场数据,分析井下流体传热过程与围岩导热过程之间的动态耦合关系,构建井下换热协同响应模型;根据预设的热提取目标、泵送功耗约束与运行稳定性要求,建立多目标协同优化模型;将井下换热协同响应模型作为多目标协同优化模型的动态约束进行联合求解,生成协同调控指令序列;根据协同调控指令序列,对井下的流体循环泵与井口的流体温度调节装置进行协同调控。本发明解决现有技术地热井下换热调控方式单一、运行效率不高的技术问题,达到提高地热井下换热效率的技术效果。
Resumen de: CN122748878A
本发明涉及地热尾水热能回收技术领域,尤其涉及一种地热尾水多级热能回收处理系统,包括,高温级定向结晶诱导模块,用以诱导尾水中的碳酸盐类垢质定向生成目标晶型微晶;级间晶粒捕获分选模块,用以截留微晶并分选为回流晶种与跨级晶种;晶种表面定向改性模块,用以在跨级晶种表面构建定向锚定位点;中温级包覆生长诱导模块,用以诱导析出的硅质垢在改性晶种表面生长,形成核壳结构微晶。本发明通过构建碳酸盐内核‑硅质外壳的核壳结构微晶,突破本领域“钙硅垢混合易加剧复合结垢”的技术偏见;硅质外壳钝化碳酸盐微晶表面活性,大幅降低其团聚与壁面粘附倾向;碳酸盐内核为硅质垢提供定向异相成核载体,避免高粘附性硅凝胶在壁面自发沉积。
Resumen de: CN122752788A
本公开提供一种基于环核式地埋管的太阳能‑地热能耦合供能系统,包括太阳能集热子系统、光伏发电子系统、环核式地埋管阵列、双级热泵子系统、末端用能子系统及用能侧智慧控制子系统。环核式地埋管阵列由核心高温区和环核低温区构成,二者分别通过独立供回水主管接入循环回路,核心高温区换热能力高于环核低温区。非供暖季蓄热时,优先将太阳能富余热量注入核心高温区;供暖初期或低负荷取热时,优先从环核低温区取热,形成低温拦截区,削弱核心区热量向外散失;高负荷时调用核心区蓄热量与双级热泵协同供热。本系统提高跨季节蓄热密度和回收效率,减少地下热损失,改善土壤热平衡,适用于公共建筑、园区、工业及商业综合体等多种场景。
Resumen de: CN122751622A
本发明公开了一种基于单向超导热管的地下热能路面自融雪装置,涉及融雪处理技术领域,装置基层地面采用C30密实混凝土浇筑,自上而下依次铺设保温隔热层、反射膜层、细石混凝土层及沥青地面层,分层结构兼顾承重、保温与通行性能。反射膜层上方布设等距超导热管,通过导流弯管连成S型结构,由细石混凝土整体包覆;热管外设铝合金螺旋导热翅片,内置单向导流内筒,配合智能控温电控换热器与引流管,形成闭环换热系统。本发明依托地下清洁能源,通过单向定向导热、高效换热设计,杜绝热能逆流损耗,实现路面均匀升温自融雪,装置结构稳固、运维简便、节能经济,有效解决冬季路面积雪结冰难题,适配性与实用价值突出。
Resumen de: CN122753146A
本文描述的实施例涉及一种用于收集蕴藏于风化层中的汽化气体的热回收装置。该热回收装置总体上包括探测车,该探测车承载与主热源协同工作的热回收元件。该热回收元件包括预热接触元件,该预热接触元件在风化层的区域被主热源加热至高温之前对该区域进行预热。随着探测车向前移动,该预热接触元件通过在与高温的区域接触的状态下移动的热回收滑橇,从高温的区域接收所收集的热量。热量通过在热回收滑橇与预热接触元件之间循环的传热介质在热回收滑橇与预热接触元件之间进行传递。
Resumen de: CN122752932A
本发明属于地热能集热器技术领域,具体的说是一种中深层地热井下用高效换热装置,包括:换热外壳,所述换热外壳内腔布设有换热管束,且所述换热外壳上集成设置有相互独立的换热主回路与逆流清洗回路;所述换热主回路包括进液管、排液管以及配置的换热阀组;所述逆流清洗回路旁通连接于所述进液管与排液管处,且配置有清洁阀组,以使清洁液在清洗模式下自排液管侧逆向泵入并由进液管侧排出;超声激振系统,阵列排布于所述换热外壳内部;实现了热阻的高效精准恢复与能量利用的最优配平,彻底解决了声流协同度低及热积聚风险,延长了装置及井下管材的长效运行生命周期。
Resumen de: CN122753125A
本发明提供一种基于地热利用的井下换热器,属于地热利用技术领域。包括管体、调节组件、定位板、折流板、U形管、储流盒以及泵体,所述泵体输出端安装有连接管,所述泵体输出端安装有进液管,两个所述定位板左侧开孔相对一侧均固定连接有引流罩,两个所述引流罩之间转动连接有转杆,所述转杆外侧安装有涡轮扇叶,所述转杆与U形管、进液管之间设置有清洁组件。通过清洁组件,利用水体动能自动清理U形管与进液管,避免结垢堵塞,稳定换热与进水性能;通过调节组件,便于随水体流量流速自适应调节抵紧条对U形管清洁力度,有效改善低流速工况U形管易结垢、换热衰减的问题。
Resumen de: CN122752931A
本发明属于单孔换热技术领域,公开了一种地热井的单孔换热装置,包括外套管,所述外套管顶部固定连通有进液管,所述外套管中部固接有内套管,所述内套管的外壁固接有隔热层。通过设置分片管、第一螺旋导板和第二螺旋导板等结构的配合,冷却的介质先到达第二螺旋导板,螺旋下移,减缓流动,此时已经靠近换热地层,因此可对介质进行预热,预热后的介质继续向下流动,通过进入分片管内的分流道中,由于分片管被分割成多层片状,因此分流道整体呈扁平状,有效增加接触面,能快速吸收地层的热量,提高换热速率,并且汇聚于内套管底部的热介质通过第一螺旋导板进行螺旋上升,降低液体汇聚时产生的湍流,减小流动阻力,降低外部泵耗。
Resumen de: CN122752804A
本申请提供了一种地热井群与换热站的协同控制方法及装置、设备、介质,属于地热资源开发利用技术领域,该方法包括:获取换热站的水箱液位;若换热站的水箱液位不小于预设第一水箱液位阈值、且不大于预设第二水箱液位阈值,则基于预设的目标流量调节第一循环泵的流量;若换热站的水箱液位小于预设第一水箱液位阈值,则控制第一循环泵停止运行;若换热站的水箱液位大于预设第二水箱液位阈值、且不大于预设第三水箱液位阈值,则控制多个井泵按照最低设定频率运行;若换热站的水箱液位大于预设第三水箱液位阈值,则控制多个井泵停止运行。本申请可以根据换热站实时液位需水量动态协调各地热井输水任务。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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。
Resumen de: 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
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
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.
Nº publicación: JP2026530638A 09/09/2026
Solicitante:
エバー・テクノロジーズ・インコーポレーテッド
Resumen de: 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.