Absstract of: CN120252212A
本发明公开了一种矩形阵列布置的地埋管地源热泵系统的布设方法,属于一般建筑物构造领域,解决了现有的矩形阵列布置的地埋管地源热泵系统的换热竖井容易出现功能性失效的问题;各热井中的U形地埋换热管顶端的换热水输入端与各自的地面换热水输入管的一端连通在一起,各自的地面换热水输入管的另一端与循环水泵(5)的输出端连通在一起;各热井中的U形地埋换热管顶端的换热水输出端与各自的地面换热水输出管连通在一起,各自的地面换热水输出管的另一端与循环水泵(5)的输入端连通在一起;每个热井中的U形地埋换热管上连接的各自的地面换热水输入管长度加上各自的地面换热水输出管长度的和均是相等的。
Absstract of: CN120252181A
本发明提供一种地热回灌井异层采灌系统及采灌方法,涉及地热井技术领域,该系统包括:井身;中心管,插设在井身的内部;分隔组件,设置在井身的内部,以使井身的内部由上至下依次形成两个独立的储层;潜水泵,设置在中心管的内部且中心管的下端处于底部储层内;第一回灌管路和第二回灌管路,第一回灌管路的一端和第二回灌管路的一端分别与顶部储层和中心管连接。相较于现有技术,本发明不仅可以有效提高地热高回灌井热储的回灌能力,保障各层系的有效动用,还可以较好的利用热储中的底部储层内较高的温度水作为供热补充,提高了地热资源的利用率。
Absstract of: CN120252180A
本发明提供一种地热储能用换热装置,主要涉及地热能源采集技术领域。一种地热储能用换热装置,包括底座、换热模块,所述底座的顶面固定安装换热模块,所述换热模块包括数个呈环形阵列分布的换热管,所述换热管的上端共同固定连接布水箱,所述换热管均与布水箱相连通,所述布水箱的上端固定安装有进液管,所述底座内设有出液管,所述换热管均与出液管相连通。本发明的有益效果在于:该地热储能装置具有多方面显著有益效果。环形阵列换热管与螺旋扰流板配合,极大提升换热效率,充分吸收地热能;导流与集水结构使液体高效排出,保障循环流畅。
Absstract of: CN120252207A
本发明提出一种海水基纳米流体增强型海上地热换热器系统,包括海水基纳米流体调配模块:用于以海水为基液制备纳米流体并调控纳米流体浓度;海水基纳米流体地埋管循环模块:用于开采海上浅层地热能,其包括埋设于海底恒温地层中的地埋管回路、驱动纳米流体循环的纳米流体蠕动泵;相变热交换模块:与地埋管循环模块耦合连接,用于将低品位热能转换为高品位热能,其包括与地埋管连通的纳米流体热交换仓、换热管道和热泵工质等;储能/输出模块:用于将高品位热能转换为其他形式能量并存储或输出。本发明就地取材以海水为基液配制纳米流体,纳米流体浓度可调,避免纳米颗粒聚集,克服了地层冷热负荷不平衡问题,有效实现海上地热能的高效稳定开发。
Absstract of: CN120252185A
本发明建立了一种清洁能源耦合多级压缩式热泵的联合循环机组进气加热系统及方法,利用三级压缩式热泵依次提取地热能、烟气余热、太阳能,使多种清洁能源高效耦合,提高清洁能源利用率;克服太阳能间歇性、不稳定性对系统的影响,提高太阳能利用率;提高系统循环热效率,降低天然气消耗量与污染物排放量;提高热泵COP,减少压缩机耗功,提高能源转换效率;以多种清洁能源耦合三级压缩式热泵代替天然气性能加热器,代替原高品位蒸汽热源,减少机组热耗率,降低运行成本与CO2等污染物排放量,响应“双碳”与清洁供能政策,收获经济与环保双重效益。
Absstract of: US2025216124A1
Closed loop hydronic systems, devices and methods to control a temperature of a petroleum are described herein. The closed loop hydronic systems use a body of water as a heat sink and, optionally, a heat source to control a temperature of the petroleum. The systems include at least one heat exchanger positioned within the body of water. Water is pumped through pipes connected to the heat exchanger(s) to a surface where a vessel, such as but not limited to a transfer pipe or a storage tank, holding the petroleum is present. In one example, the systems may provide a heat sink to cool petroleum in tanks during extreme hot weather conditions. In another example, the systems may provide a heat source to warm marine fuel in tanks during extreme cold weather conditions.
Absstract of: US2025216123A1
Systems and methods using fluid flow through concentric channels for ground heat exchange. A heat exchange system may be installed by inflating a flexible tube in a borehole. An accessible subsurface adaptor provides connections between the heat exchange features and laterals, as well as the ability to measure and monitor performance of the system.
Absstract of: US2025215861A1
A system includes a pressure exchanger (PX) configured to receive a first fluid via a first inlet and a second fluid via a second inlet. The PX is to exchange pressure between the first fluid and the second fluid and provide the first fluid at a first outlet and the second fluid at a second outlet. The system further includes a heat exchanger to exchange corresponding thermal energy between the first fluid and the second fluid. The system further includes a turbine configured to receive the second fluid output from the first heat exchanger and convert corresponding energy of the second fluid into rotational kinetic energy.
Absstract of: WO2024044251A1
Methods for forming pathways of increased thermal conductivity in a geothermal well are disclosed. The pathways increase heat transfer efficiency in a closed loop geothermal operation. The methods comprise injecting a thermally conductive material into the annular space between a conduit in the wellbore and the formation; forming a fracture in the formation and filling it with the thermally conductive material; and putting the well in an underbalanced state and drawing the thermally conductive material back towards a port in the conduit that is in an excluded configuration to create a pathway of increased thermal conductivity. The thermally conductive material may comprise a fluid carrier and solid particles having a high thermal conductivity.
Absstract of: GB2636831A
A heat exchanger 5 is disclosed for the lower end of a pipe (3, fig 1) disposed in a geothermal well bore (2, fig 1). The heat exchanger includes one or more vanes 19 arranged to cause a working fluid exiting the lower end of the pipe to return up the geothermal well bore via a helical path 22 between an outer radius of the pipe and an interior radius of the geothermal well bore. The helical path having a pitch length (P, fig 4B) and a total length (H) parallel to the geothermal well bore. A thermosiphon (1, fig 1) connected to a turbine (9, fig 1) and comprising the heat exchanger is also claimed. A method of coupling the heat exchanger to a pipe and lowering it into a geothermal well bore is also claimed. Use of the heat exchanger or thermosiphon in generation of electricity is also claimed.
Absstract of: CN119731490A
The present invention relates to a geothermal heating and cooling system comprising a conduit comprising a biaxially oriented tube made by a process comprising: a) shaping a polymer composition comprising an ethylene-based polymer and/or a propylene-based polymer into a tube, and b) drawing the tube in the axial direction and in the circumferential direction to obtain a biaxially oriented tube.
Absstract of: CN120232170A
本申请涉及节能型热交换装置的领域,公开了一种用于地热井内的同轴套管换热器,其包括多根内套管和多根外套管,所述内套管同轴设置于外套管内,所述内套管顶部同轴固定连接有内套管母扣、底部外侧壁上开设有螺纹,位于上方的内套管与位于下方的内套管的内套管母扣螺纹连接,所述内套管上设置有驱动组件和多组支撑板,多组所述支撑板沿内套管周向排列,所述支撑板可转动,当位于上方的内套管旋转至位于下方的内套管上的内套管母扣内时,可通过驱动组件带动多组支撑板转动至与外套管内壁抵接。本申请具有方便对内套管和外套管进行下放安装,同时提高内套管下放过程的稳定性的效果。
Absstract of: CN120232181A
本申请提供了一种多年冻土区换热系统,包括地下换热组件、路面换热组件和地源热泵系统,地下换热组件包括管桩和第一换热管,第一换热管设置在管桩的内部且设置有第一工质,管桩和第一换热管位于道路的地基内且伸入冻土层中;路面换热组件包括设置第二换热管,第二换热管的内部设置有第二工质;地源热泵系统与第一换热管、第二换热管形成有第一通路、第二通路。通过在管桩中预埋第一换热管,第一换热管与地源热泵系统的换热,将地基中的热量传递至地源热泵系统。路面换热组件起到了保温的作用,有效阻止了第二换热管的热量向下传导,保护了冻土层的稳定性。第一换热管能够在寒冷季节从地基中提取热量,融化路面积雪,确保道路的安全通行。
Absstract of: CN120231530A
本发明公开了一种气液分离器、地热水气体收集系统及收集方法。气液分离器包括:筒体、设置于筒体上的流体进口、排气口、排液口及设置在筒体内的气液分离组件;气液分离组件包括:导气管及设置在导气管外侧的螺旋分离流道,导气管为中空结构且与排气口连通;螺旋分离流道包括沿竖直方向间隔设置的至少一个第一螺旋分离流道和第二螺旋分离流道;第一螺旋分离流道与流体进口连通,且其上设置有多个孔眼,孔眼内设置有脉冲阀,以使待分离液流流经脉冲阀后,流入第二螺旋分离流道实现气液分离,分离出的气体流经导气管后从排气口排出,液体从与第二螺旋分离流道连通的排液口排出。能够对地热水中含有的少量或微量气体进行分离。
Absstract of: CN120232210A
本发明公开了一种基于地热套管式换热的路面融雪系统,包括:地热套管式换热系统以及循环管路;循环管路内填充有换热液体;地热套管式换热系统包括外侧地埋管、内部地埋管、封井器以及井盖;封井器位于地热深井底部;外侧地埋管布设于封井器顶部;内部地埋管位于外侧地埋管的内部,内部地埋管的底端与封井器的顶端之间留有间隙;循环管路的一端口连接有热液管路,热液管路设置有热液循环泵,热液管路贯穿井盖并与内部地埋管连通;循环管路的另一端口连接有冷液管路,冷夜管路贯穿井盖并伸入内部地埋管的外壁与外侧地埋管的内壁之间的空间中。本发明将地热能通过换热液体对道路进行换热,实现节能环保型道路快速融雪。
Absstract of: CN120212643A
本发明公开了一种利用重力热管的水平井取热方法,属于地热开发技术领域,其特征在于,包括以下步骤:a、对水平井的水平段进行压裂作业;b、先在重力热管的蒸发段前端设置多个封隔器,然后在套管内下放充装液态工质且呈负压状态的重力热管;c、重力热管蒸发段的外壁设置有软质导热部件;d、重力热管的蒸发段内壁上有多孔表面涂层;e、重力热管的垂直段内设置有引流环;f、重力热管的弯管段内壁设置有汇流槽;g、液态工质经沸腾气化后,蒸汽在压差作用下依次经蒸发段、弯管段向上流到垂直段,在垂直段放热冷凝后再在重力作用下回流至蒸发段。本发明适宜水平井采热,能够避免两相工质在传递过程中的相互影响,提高取热效率。
Absstract of: TW202434854A
This control apparatus comprises a first mode control unit that controls a geothermal heat utilization system in a first mode in which cold stored in the cold water well is supplied to a device, and heat obtained from the device is stored in the hot water well, the geothermal heat utilization system comprising: a heat source well facility including a hot water well and a cold water well; and a heat storage auxiliary facility including an exhaust heat recovery mechanism, a cooling tower, or an air-cooled heat pump. The control apparatus also comprises a second mode control unit that controls the geothermal heat utilization system in a second mode, instead of the first mode, in which the cold stored in the cold water well is supplied to the heat storage auxiliary facility and the heat obtained from the heat storage auxiliary facility is stored in the hot water well.
Absstract of: CN120212642A
本发明涉及地热开采系统领域,尤其涉及一种基于风光互补发电的地热开采系统,包括储水加热装置、风光互补发电系统、数据采集监测单元和地热开采系统;风光互补发电系统电连接有抽水装置,用于通过风光互补发电系统向抽水装置提供电能;所述抽水装置通过上水管分别连接至储水加热装置的进水口和地热开采系统的出水口,地热开采系统的进水口通过下水管连接至储水加热装置的出水口,储水加热装置的末端通过其上的出水口与下游的用户端连接;本发明通过风光互补发电系统为地热开采系统提供电能,结合数据采集监测单元和能量管理控制单元,能够实时监测和调节能量分配,确保地热开采系统在不同环境条件下的稳定运行。
Absstract of: CN120207816A
本发明属于CO2地质封存技术领域,具体涉及一种利用地热尾水矿化封存CO2的系统及方法。一种利用地热尾水矿化封存CO2的系统,包括CO2混合装置和地热水处理装置;CO2混合装置上设有尾水进口、气体进口和液体出口;地热水处理装置为地热供暖或地热发电装置,其上设有地热水进口和尾水出口;尾水进口通过尾水运输管道和尾水出口连通,所述气体进口通过气体管道和CO2气体收集装置连通,所述液体出口通过液体管道和注入井连通;所述CO2气体收集装置和CO2管道的一端连接,所述CO2管道的另一端伸入注入井内且注入井内固定有CO2喷射器;所述地热水进口通过管道和地热水开采井连通。该系统及方法通过开采深部岩溶热储中的地热资源,可以满足社会对清洁能源的需求。
Absstract of: CN120212641A
本发明提出了一种埋管式土壤储能装置及使用方法,属于土壤储能系统技术领域。装置包括:支脚,固定在支脚上的储液罐和控制箱,储液罐的顶部设有投料口,储液罐的底部固定安装有输送管道,输送管道的一端固定连接有分接管,分接管的一端通过螺丝固定有管接头,分接管的底部固定安装有若干个呈阵列分布的渗透管,渗透管的外周面上开设有若干个渗透孔;若干渗透管的外周面上均安装有集成感应条,输送管道上固定安装有液体泵,集成感应条和液体泵均与控制箱电性连接。能够根据土壤的监测和反馈结果,切换输送的液体,保证土壤的密实度,提升土壤的热导性、抗压性和抗裂性,实现对土壤裂缝的修复,提高了土壤源热泵系统的运行效率和长期稳定性。
Absstract of: CN120212640A
本发明公开了一种热棒、井筒防冻风流预热系统及预热系统的使用方法,包括:外筒体、内筒体,同轴且之间形成环形柱体,环形柱体轴向上被第一隔板分割,且与环形主体底部分为n个密封腔体;每层密封腔体均被径向布置的第二隔板分为m个独立的蒸发室;m个蒸发管的轴向竖直且下端与最下层的蒸发室连通、上端依次密封穿过其他同轴向的蒸发室、并汇总后连接冷凝管;本发明通过n个独立工作的密封腔体,以匹配不同深度、温度的巷道岩层,每层密封腔体分为m个蒸发室,并且蒸发管轴向从下往上穿过蒸发室,保障n×m个蒸发室独立进行工作,且其中的工质均能独立进行地热提取,能够最大程度的吸收热棒周围的所有地热能源,其吸热范围更加广泛。
Absstract of: US2025207820A1
A groundwater heat exchange system for regulating a temperature of a loop fluid flow pumped through a closed loop fluid pathway for use by a heat pump includes one or more groundwater heat exchange units and a controller. Each groundwater heat exchange unit includes a heat exchanger and at least one groundwater pump. The heat exchanger is submersed in groundwater within a borehole and is configured to facilitate heat exchange between the groundwater and the loop fluid flow. Each groundwater pump has a plurality of non-zero flow rate settings corresponding to different non-zero flow rates at which the groundwater pump drives a flow of the groundwater through the heat exchanger. The controller is configured to adjust the flow rate settings of the at least one groundwater pump based on a heat exchange demand input.
Absstract of: US2025207823A1
A method of selecting a piping material is provided for selecting a piping material to be used for piping through which a geothermal fluid containing a monomer or a dimeter to tetramer of orthosilicic acid is passed in a geothermal power plant. The method includes predicting adhesiveness of two or more types resin materials having different compositions or chemical structures to a monomer or a dimeter to tetramer of orthosilicic acid by comparing the molecular orbital energy levels of the resin materials, and selecting a resin material selected based on the adhesiveness as a piping material for reducing adhesion of silica scale precipitated from the geothermal fluid.
Absstract of: US2025207821A1
A heat extraction system for extracting heat from a reservoir, the system including a co-axial tool configured to be placed underground, the co-axial tool having an outer pipe and an inner pipe located within the outer pipe, each of the outer pipe and the inner pipe being connected to a shoe so that a fluid flows through an annulus defined by the inner and outer pipes, reaches the shoe, and flows through a bore of the inner pipe; and a power generator fluidly connected to a chemical processing unit to receive a fluid, and also fluidly connected with a first port to the inner pipe and with a second port to the outer pipe of the co-axial tool. A temperature difference of the fluid at the power generator and at the co-axial tool drives the power generator to generate energy.
Nº publicación: US2025207822A1 26/06/2025
Applicant:
VALLOUREC USA CORP [US]
VALLOUREC USA CORPORATION
Absstract of: US2025207822A1
A tubing apparatus is for use in a geothermal well. The tubing apparatus includes a vacuum insulated tubing string describing a conduit and a cooling string received within the conduit. The conduit conveys a working fluid between a surface location and a subsurface location. The cooling string injects a cooling fluid into the conduit so as to adjust the temperature of the working fluid.