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73
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Updated on
28/03/2025 [07:39:00]
Absstract of: EP4528176A1
A closed well loop (301) is provided for a geothermal system. The closed well loop includes a well (single well) that traverses a subterranean formation (307) to extract heat from the subterranean formation. The well includes a section having an inner pipe (309) that is supported inside an outer pipe (305) in a pipe-in-pipe arrangement. The inner pipe (309) has an interior flow channel that defines a first flow path for circulating working fluid, and the annulus between the inner pipe and the outer pipe defines a second flow path for the circulating working fluid. The well can be configured to extract heat from the subterranean formation (307) and transfer heat to the circulating working fluid that flows in the first and second flow paths. The inner pipe (309) can include a thermally-insulative piping system that reduces the amount of heat transferred from the circulating fluid that flows in the first and second flow paths within the well.
Absstract of: TW202446933A
Compositions and methods for thermal reach enhancement (TRE) are presented in which a TRE material comprises at least two functionally distinct solid components that enable high thermal conductivity with minimal flowback during and after placement, even where the TRE is placed into a low permeability formation. The first component is characterized by low kinetic friction and deformability upon compression, the second component is characterized by high internal and external kinetic friction and interlocking upon compression, and the first and second components form a compacted hybrid high thermal k material with minimal void space.
Absstract of: CN119695980A
本发明属于新能源技术领域，公开了一种基于深层地热能的多能源发电系统及其运行方法，包括风光发电子系统及干热岩发电子系统；所述风光发电子系统，用于将风能或太阳能转换为电能；所述干热岩发电子系统，包括开采井；同轴套管换热系统设置在开采井内，且同轴套管换热系统的底部与人工热储层直接接触；泵送设备用于将液相换热介质加压输送至同轴套管换热系统中，并通过同轴套管换热系统进入到人工热储层内；其中，泵送设备运行所需的电能由风光发电子系统产生的过剩电能提供；本发明利用干热岩发电子系统通过吞液吐汽的方式消纳风光发电子系统产生的过剩电能，并利用与干热岩换热后的热蒸汽发电，以弥补风光发电子系统产能不足。
Absstract of: JP2023072966A
To provide an environmentally friendly geothermal unit.SOLUTION: A geothermal unit is equipped with a cylindrical casing 1 and an agitator 3. The cylindrical casing 1 is embedded in the ground, and has an outer cylinder 11 and an inner cylinder portion 12. The outer cylinder portion 11 is provided with a water passing hole 111 of underground water W. The inner cylinder portion 12 has an inner cylinder bottom portion 122 and is blocked, and puts a heat medium fluid B therein. The agitator 3 is provided on either one or both of the outer cylinder portion 11 and the inner cylinder portion 12.SELECTED DRAWING: Figure 1
Absstract of: CN119675581A
本发明涉及一种太阳能发电与制热一体式装置及蓄热系统，包括光伏太阳能片及与其电连接的光伏组件；还包括边框；光伏太阳能片嵌入边框前侧，用于将边框前侧封闭；边框后侧设有背板，用于将边框后侧封闭；光伏太阳能片、边框和背板围拢成放置腔室；光伏组件固定设置在背板远离光伏太阳能片一侧侧面；放置腔室顶部设有蓄水筒；蓄水筒底部设有多根与其连通的U形导热管；蓄水筒、导热管内注入有可流动蓄热介质；多根导热管均位于放置腔室；蓄水筒左侧设有与其连通的第一介质管，右侧设有与其连通的第二介质管；第一介质管、第二介质管远离蓄水筒一端均穿过边框，并伸出边框外侧。本发明具有节省空间，提高太阳能利用率，降本增效等优点。
Absstract of: CN119675050A
本发明涉及一种热电双储供能系统，其集成了生产井与回灌井的双水轮机设计。该系统智能响应电网电价波动与供热需求，灵活调整水轮机工作模式。在热电联动优化阶段，当电价低谷时，第一水轮机抽取地热水供热，剩余热量储存于储热储电水箱与储水箱中，以应对电价高峰。同时，第二水轮机利用地热尾水反向发电，回馈电网。储能释能优化阶段，电价低谷时段，两水轮机协同工作，将电能转化为势能储存于水箱。电价高峰时，则释放水箱中的高位势能水，通过水轮机反向运转，将储存的势能转化为电能，为电网提供稳定供电。该系统实现了热电双储，提高了对于分布式新能源光伏风电利用的消纳贡献，降低弃光电量，平衡了电网分布式新能源发电、建筑用电负荷。
Absstract of: CN119665465A
本发明公开了一种基于深部废弃巷道的地热抽采系统及其施工方法。其中，一种基于深部废弃巷道的地热抽采系统，包括封堵材料、高温水管路、热泵机组、低温水管路和倾斜钻孔，热泵机组位于地上或浅层地下空间，热泵机组的施工区域位于深部废弃巷道上方，且位于深部废弃巷道的上方有浅层地下水层；一种基于深部废弃巷道的地热抽采系统的施工方法的具体流程包括钻设倾斜钻孔、对深部废弃巷道做封堵处理、铺设管线。本方案将浅层地下水与深部围岩热结合起来，利用浅层地下水作为介质，在深部废弃巷道与围岩完成换热；相较于传统地热井，本方案利用了原有深部废弃巷道，不需要进行深井钻孔、固孔及钻孔下管等工序，降低了深层地热井的施工成本。
Absstract of: CN119665292A
本发明提供一种土壤蓄存太阳能的热泵供热系统，包括：集热器、地埋管、蒸发器、单向阀、压缩机、膨胀阀、冷媒泵、冷凝器。集热器、蒸发器、地埋管相互联通。光热富裕时集热器产生的热水一部分通过地埋管向土壤中蓄热，光热不足时通过地埋管释放土壤中蓄存的热量，对外供热。集热器产生的热水温度较低时，压缩机运行，由蒸发器流出的制冷剂进入压缩机，经压缩后进入冷凝器冷凝放热，再经膨胀阀后返回蒸发器，完成循环。集热器产生的热水温度较高时，压缩机关闭，膨胀阀关闭，冷媒泵运行，由蒸发器流出的制冷剂经单向阀后进入冷凝器，在冷凝器中放热后经冷媒泵返回蒸发器完成循环。本发明一方面解决了光热资源间歇性与热负荷需求持续性之间的矛盾，通过土壤蓄放热实现光热资源与热用户热负荷需求之间的解耦，有效提高了对太阳能的综合利用效率，另一方面，本发明还在保证制冷剂正常循环的情况下，实现了压缩机的切出，避免供热系统受到压缩机的最低转速限制，实现了大范围变工况的高效灵活调节，降低了供热能耗，提高系统运行经济性。
Absstract of: CR20240357A
System, method, and apparatus for harnessing geothermal power from superhot geothermal fluid (SHGF) and magma reservoirs. An exemplary apparatus can include a well screen coupled to an end of a casing string. The well screen, which is at least partially submerged within an underground reservoir, defines a volume in the underground reservoir that can be filled with superhot geothermal fluid. A slidable casing is aligned coaxially with the well screen and configured to be repositioned relative to the well screen. A draw pipe extending through the slidable casing is configured to convey SHGF from the underground reservoir towards the surface in response to the slidable casing being repositioned to obstruct more of a set of apertures in the well screen and an increase in pressure within a cavity of the slidable casing.
Absstract of: US2025093076A1
A closed well loop is provided for a geothermal system. The closed well loop includes a well (single well) that traverses a subterranean formation to extract heat from the subterranean formation. The well includes a section having an inner pipe that is supported inside an outer pipe in a pipe-in-pipe arrangement. The inner pipe has an interior flow channel that defines a first flow path for circulating working fluid, and the annulus between the inner pipe and the outer pipe defines a second flow path for the circulating working fluid. The well can be configured to extract heat from the subterranean formation and transfer heat to the circulating working fluid that flows in the first and second flow paths. The inner pipe can include a thermally-insulative piping system that reduces the amount of heat transferred from the circulating fluid that flows in the first and second flow paths within the well.
Absstract of: WO2025057643A1
This geothermal power generation system, which generates power using thermal energy in a geothermal zone, comprises: at least two wells; a power generation facility that extracts a geothermal fluid generated in the geothermal zone from any one of the at least two wells and generates power using thermal energy contained in the geothermal fluid; and a geothermal heat exchanger that performs heat exchange on the fluid circulating in a flow path configured as a closed loop-type flow path in the geothermal zone. The geothermal heat exchanger is provided at any one point between the at least two wells.
Absstract of: WO2025059480A1
A cement production system includes a wellbore extending from a surface into an underground magma reservoir. The wellbore is configured to heat a heat transfer fluid via heat transfer with the underground magma reservoir. Processes for cement production are driven at least in part by energy obtained from the underground magma reservoir.
Absstract of: AU2023258543A1
A process and/or simulation for providing one or more technical specifications of characteristics of a geothermal energy extraction apparatus for use with a well formed in the ground, the process comprising the steps of identifying one or more physical characteristics of the said well, modelling a plurality of output criteria according to a plurality of possible characteristics of a geothermal energy extraction apparatus and the said one or more physical characteristics of the said well, providing one or more technical specifications of characteristics of a geothermal energy extraction apparatus for use with said well.
Absstract of: CN119641298A
本发明涉及地热能开发利用技术领域，尤其涉及一种油井改造地热井内旋转式流量自动分配装置，该装置包括：流量调节环套在调节内环的外部，调节内环连接在取热芯管上；调节内环上设置有内环孔，流量调节环上设置有外环孔；流量调节环连接用于当套管内流体流量大于预定流量时，通过该流量的流体的冲力带动其转动的驱动机构；限位机构分别与流量调节环以及调节内环连接，用于限定流量调节环转动至最大限位以及带动流量调节环转动至初始位置。以解决现有油井改造地热井中，因通过下挂油管方式封堵射孔段导致油管内和取热芯管管径变小，提高泵能耗也很难达到流体预期流量，无法进一步提高地热井的采热量的问题。
Absstract of: CN119642420A
本发明公开了一种闭式单地热井换热结构及取热方法，包括井盖、管体、封井器、上升管、地热套管；井盖与封井器设置于管体的两端以形成腔体，上升管穿过井盖伸入至腔体内，井盖、管体、封井器与上升管之间围合形成有第一通道，第一通道与上升管连通，井盖具有供循环工质通入的通孔，使循环工质沿着第一通道自上而下并由上升管流出；管体底部的外壁围设有地热套管，地热套管、管体外壁与封井器之间围合形成地热通道，地热套管开设有进水孔与排水孔，进水孔、地热通道与排水孔依次连通，使地热储层的地热流体沿着地热通道自下而上并从排水孔流出排向裂隙，以与循环工质热交换。本发明实现管体内外流体的强迫对流换热，提高换热系数、增大取热功率。
Absstract of: CN119642173A
本公开涉及一种能量利用系统及装置，所述系统包括供热子系统、发电子系统、太阳能单元以及地热单元，所述地热单元分别与所述供热子系统、所述发电子系统耦合连接，所述太阳能单元分别与所述供热子系统、所述发电子系统耦合连接；所述地热单元，用于通过地热流体获取地热能，所述地热流体为提供所述地热能的流体；所述太阳能单元，用于通过太阳能热流体获取太阳能，所述太阳能热流体为提供所述太阳能的流体；所述供热子系统，用于通过所述地热流体和/或所述太阳能热流体进行供热；所述发电子系统，用于通过所述地热流体和/或所述太阳能热流体进行发电。
Absstract of: WO2023243739A1
According to the disclosed upper protective heat exchange unit for geothermal heat and the geothermal exchange water flow structure comprising the upper protective heat exchange unit for geothermal heat, the upper protective heat exchange unit for geothermal heat comprises: an upper protection hole casing member; a pumping pipe member; and an upper protection hole detachable cover member, wherein the pumping pipe member is connected to the upper protection hole detachable cover member, and a deep well pump is connected to the pumping pipe member. Accordingly, once the upper protection hole detachable cover member is separated from the upper protection hole casing member, the pumping pipe member connected to the upper protection hole detachable cover member and the deep well pump connected to the pumping pipe member can be separated from the upper protection hole casing member integrally together with the upper protection hole detachable cover member. Accordingly, there is an advantage in that access to the deep well pump for replacing or repairing the deep well pump disposed in an underground well can be easily achieved.
Absstract of: CN119617497A
本发明涉及低品位能源技术领域，具体涉及一种地热源吸收式热泵耦合有机朗肯循环的热电联供系统及方法；包括相连的热泵循环单元以及有机朗肯循环单元；所述热泵循环单元包括发生器、热泵冷凝器、热泵蒸发器、吸收器以及热泵回热器，本发明通过耦合热泵循环与有机朗肯循环，实现中低温地热资源高效利用，具有结构简单、运行调节灵活性高、促进新能源消纳、安全稳定、效率高等优点，对于中低温地热资源及其他低品位废热的利用具有重要意义。
Absstract of: CN119617676A
本发明公开了一种中深层地热井取热结构，设置于中深层地热井的钻孔中，包括传热底板、底管、底管连接管、外套管、入水端和出水管，传热底板装配于底管的底端，且传热底板设置于钻孔内的底端，底管连接管固定安装于底管的上端，多个外套管依次装配于底管连接管的上端，最上侧外套管的上端设置有入水端，出水管位于外套管、底管连接管和底管内，底管的内部装配有螺旋导水管，还公开了一种中深层地热井取热方法，本发明在底管底端配置了传热底板结构，通过传热插杆和导热块实现地下土壤与底管的连接，显著提升了导热效率，此外，传热底板的结构设计使得固井水泥能够有效包裹并支撑传热底板，从而实现对传热底板的支撑保护。
Absstract of: CN119617498A
本发明公开了一种地热能热水供应系统，涉及隧道地热能利用技术领域，包括隧道相变储能混凝土衬砌和若干个淋浴房本体，所述隧道相变储能混凝土衬砌的内壁开设有多个容纳弯槽，每个所述容纳弯槽的内侧设有一个第一换热管，所述第一换热管连接有第二换热管，所述第二换热管远离所述第一换热管的一端连接有冷水源，所述第一换热管通过导热管道与储水箱的进水端相连通，所述储水箱的出水端与所述淋浴房本体相连通，所述储水箱的出水端还连接有饮用水水管。本发明能够将隧道内部高温段的高温地热通过第二换热管和第一换热管传递给储水箱作，从而为高寒地区及时提供洗浴或饮用的热水，同时也对地热进行合理的利用。
Absstract of: CN119617681A
本发明公开了一种基于跨季节储能技术的卡诺电池系统及控制方法，包括复叠式热泵单元、地埋管蓄热单元、有机朗肯循环单元以及可再生热源利用储能单元，在夏季外界环境温度较高时可以通过第一取热换热模块进与外界环境行换热为第二取热换热模块提供热源，并通过第二取热换热模块进行换热用于为发电流体介质升温，在冬季外界环境温度较低时可以通过第一换热模块与地埋管蓄热单元进行换热为第二取热换热模块提供热源，并通过第二取热换热模块进行换热用于为发电流体介质升温，避免储能系统受外界温度的影响，保证其在不同季节始终高效运行。本发明的方法，解决了的现有技术中卡诺电池储能技术中利用环境换热存在冬季发电效率低的技术问题。
Absstract of: CN119617491A
本申请提出一种长周期工业余热储热区域采暖系统，包括：地埋管换热器；第一循环冷却水余热回收装置，第一循环冷却水余热回收装置用于回收冷却水中的热量；吸收式热泵，第一循环冷却水余热回收装置和吸收式热泵通过阀和管道并联连接于地埋管换热器；采暖末端装置，采暖末端装置通过换热器和阀连接于吸收式热泵；以及蒸汽余热回收装置，蒸汽余热回收装置连接于吸收式热泵的发生器形成循环回路，蒸汽余热回收装置作为吸收式热泵的高位热源，其中，通过切换阀的状态，在非采暖季，使第一循环冷却水余热回收装置和地埋管换热器连接；在采暖季，使吸收式热泵和地埋管换热器连接。
Absstract of: CN119617919A
本发明公开了一种地铁施工斜井能源结构及施工方法，属于能源装备技术领域，包括换热器模块和斜井回填物，换热器模块设置在地铁施工斜井的壁面上，与设置在地铁施工斜井内的换热系统连接，斜井回填物填充在地铁施工斜井内部。本发明所提供的一种地铁施工斜井能源结构及施工方法，将地铁施工斜井结构与换热器相结合，将本应在施工完成之后回填废弃的地铁施工斜井二次利用，结合换热性能优异的换热器模块，使其成为一种新型地下能源结构，不仅可以显著降低初始投资成本，提高资源利用率，还能实现节能环保的目标。
Absstract of: CN119617691A
本发明涉及应用于热泵机组相关的技术领域的一种利用地热的土壤源热泵机组，通过接头保护单元的设置，一方面，可以对换热盘管的接头处进行保护，使其不会直接接触土壤，降低接口处出现渗漏的可能，另一方面，配合设置在接头保护单元内的渗水监测单元以及定点监测单元，能明显区分换热盘管是上方渗水还是下方渗水，并且针对下方管连接处渗水的情况，渗漏的水会被集中先落在监测环处，使其内的压力传感器被触发，进而实现对渗漏点的定位，从而可进行定点开挖维修，相较于现有技术的大面积开挖维修，大幅度降低维修难度，同时提高维修效率，降低维护成本的投入。
Nº publicación: CN119617701A 14/03/2025
Applicant:
国网陕西省电力有限公司电力科学研究院国网（西安）环保技术中心有限公司
Absstract of: CN119617701A
本发明涉及于复合储能技术领域，具体涉及一种中深层地热‑光伏光热耦合跨季节复合储能系统及方法；包括相连的储能系统以及循环系统；所述储能系统包括光伏光热板以及中深层地源，其中光伏光热板与中深层地源之间通过光伏换热管道相连。本发明中的光伏光热板能将未被利用的热能通过光伏换热管道输送至中深层地源中，利用岩土层可承载间歇热量输入的特性来缓解光伏光热板的发热问题，并且导入中深层地源的热能可以缓解岩土体长期取热导致的热衰减、提高中深层地热能利用效率。
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