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THERMAL PROCESSES AND SYSTEMS FOR GENERATING ELECTRICITY UTILIZING PREDETERMINED WORKING FLUIDS

Resumen de: US2024368996A1

A process of generating electricity from a thermal energy source includes selecting a predetermined primary fluid having: a latent heat greater than a latent heat of water at a phase change from liquid to gas; and a specific heat capacity less than a specific heat capacity of water in a liquid phase and in a gas phase; and selecting a predetermined secondary fluid having: a latent heat less than a latent heat of water at a phase change from liquid, to gas; and: a specific heat capacity less than a specific heat capacity of water in a liquid phase and in a gas phase. The process includes the primary fluid absorbing thermal energy from the thermal energy source; exchanging the thermal energy of the primary fluid with the secondary fluid: driving a turbine via the secondary fluid; and driving an electricity generator by the turbine to generate electricity.

SYSTEM, METHOD AND COMPOSITIONS FOR EXTRACTING LITHIUM FROM LOW-ENERGY BRINES

Resumen de: AU2023275896A1

The present invention relates to a system (10) for extracting lithium or lithium salts from a brine, comprising: a feed circuit (20) for receiving the brine; a pre- treatment circuit (30) for removing carbon dioxide, silica and transition metals from the brine to obtain a treated brine, said pre-treatment circuit including a first pH modification unit (31) configured to modify a pH of the brine to 4 to 5, preferably about 4.5, a depressurization unit (32) positioned downstream from the first pH modification unit configured to depressurize the brine to about atmospheric pressure, a second pH modification unit (33) positioned downstream from the depressurization unit configured to modify the pH of the brine to 9 to 11, preferably about 10, prior to resting the brine in a precipitation tank (36), a precipitate filter unit (34) positioned downstream from the second pH modification unit configured to remove a precipitate including the silica and the transition metals from the brine and a third pH modification unit (35) positioned downstream from the precipitate filter unit configured to modify the pH of the brine to 5 to 6 to obtain the treated brine; a direct lithium extraction circuit (40) for extracting a lithium enriched brine comprising the lithium or lithium salts from the treated brine to obtain a lithium depleted brine; and a post-treatment circuit (50) for redissolving at least part of the precipitate and adding it to the lithium depleted brine to obtain a treated lithium

AN ARRANGEMENT AND A METHOD FOR STORING THERMAL ENERGY IN THE GROUND

Resumen de: US2024369309A1

An arrangement for storing thermal energy includes a circuit containing a working fluid, where the circuit has a plurality of pipes which pipes are distributed throughout a volume of the ground forming a heat storage. Each pipe is arranged in a channel in the ground for heat exchange between the working fluid and the ground. The arrangement includes an electrical heating element, where the electrical heating element is arranged in a channel in the ground to heat the ground for storing thermal energy in the heat storage. The working fluid is a liquid having a boiling point above 120° C. at atmospheric pressure.

THERMAL PROCESSES AND SYSTEMS FOR GENERATING ELECTRICITY UTILIZING PREDETERMINED WORKING FLUIDS

Resumen de: US2024369263A1

A process of generating electricity from a thermal energy source includes selecting a predetermined primary fluid having: a latent heat greater than a latent heat of water at a phase change from liquid to gas; and a specific heat capacity less than a specific heat capacity of water in a liquid phase and in a gas phase; and selecting a predetermined secondary fluid having: a latent heat less than a latent heat of water at a phase change from liquid, to gas; and; a specific heat capacity less than a specific heat capacity of water in a liquid phase and in a gas phase. The process includes the primary fluid absorbing thermal energy from the thermal energy source; exchanging the thermal energy of the primary fluid with the secondary fluid; driving a turbine via the secondary fluid; and driving an electricity generator by the turbine to generate electricity.

MULTI-WELL GEOTHERMAL SYPHONING SYSTEM

Resumen de: US2024369264A1

The present disclosure relates to a multi-well geothermal syphoning system, comprising at least one injection well and at least one production well, the at least one injection well having an inlet valve for controlling a volume of a fluid medium entering the system and the at least one production well having an outlet valve for controlling the volume of the fluid medium exiting the system, each of the wells having a well bore extending downwardly from a ground surface to define a plurality of substantially vertical bore sections, a first well bore comprising a first vertical bore section turning through 90 degrees and extending parallel to the ground surface to thereby define a horizontal bore section, the first well bore intersecting with the vertical bore sections of each of the remaining wells to fluidly interconnect each well of the system such that the fluid medium at a first temperature is introduced into the at least one injection well and the fluid medium at a second temperature is drawn from the at least one production well.

VALVE ASSEMBLIES FOR HIGH-TEMPERATURE WELLS

Resumen de: CA3242409A1

There is provided a valve assembly suitable for use in a high temperature well, such as a geothermal well. The valve assembly comprises a tubular housing having ports to allow fluid communication between a fluid passageway in the valve assembly and the outside of the valve assembly, an outer sleeve longitudinally slidable in the tubular housing, and an inner sleeve longitudinally slidable in the outer sleeve. The outer and inner sleeves are slidable to various positions to prevent, allow or restrict flow through the ports. The valve assembly may include sealing assemblies that can withstand high temperatures, frangible plugs in the ports that can be sheared to open the ports, and/or a coupling member for coupling the inner and outer sleeve while the ports are being opened. The valve assembly may have ports configured in a manner that allows for sequential opening of the ports.

一种相变蓄热型地埋管换热器

Resumen de: CN118896412A

本发明涉及一种相变蓄热型地埋管换热器，包括换热井群，换热井群由多个换热井组成，换热井包括钻井、U形换热管、回填土，U形换热管包括两根第一竖管段、U形管段，U形换热管还包括相变蓄热型换热管组件，相变蓄热型换热管组件包括第二竖管段、侧板，两块侧板与两根第二竖管段构成有竖筒，竖筒的内部设置有隔膜布，竖筒的内腔被隔膜布分隔为热管腔、冷管腔，热管腔和冷管腔的内部均填充有相变蓄热介质。本发明的竖筒内可填充更多的相变蓄热介质，蓄热效果更好；在竖筒的内部设置隔膜布，从而最大限度保证相变蓄热介质的蓄热释放。通过优化相变蓄热介质的组分、配比，解决不同土层压力下相变蓄热介质的稳定性差的问题。

中深层地热资源储量的勘探方法及勘探装置

Resumen de: DE202024104451U1

Vorrichtung zur Exploration der Reserven mittlerer und tiefer geothermischer Ressourcen, dadurch gekennzeichnet, dass die Vorrichtung die folgenden Komponenten umfasst:eine Bodendetektionseinrichtung (1), wobei die Bodenerkennungseinrichtung (1) zum Erhalten eines ersten Parameters eines an der Zielgebietesoberfläche eintreffenden Myons der kosmischen Strahlung ausgebildet ist, wobei der erste Parameter eine Intensität und eine Einfallsrichtung umfasst,eine unterirdische Detektionseinrichtung (2), wobei die unterirdische Detektionseinrichtung (2) zum Erhalten eines zweiten unterirdischen Parameters eines Myons der kosmischen Strahlung ausgebildet ist, wobei der zweite Parameter Transmissionsinformationen und Streuinformationen umfasst,eine Steuerung (3), wobei die Steuerung (3) jeweils kommunikativ mit der Bodendetektionseinrichtung (1) und der unterirdischen Detektionseinrichtung (2) verbunden ist, wobei die Steuerung (3) dazu ausgebildet ist, um geothermische Ressourceninformationen des Zielgebiets gemäß dem ersten Parameter und dem zweiten Parameter zu empfangen und zu erzeugen.

一种基于土壤蓄冷的林用发电装置

Resumen de: CN118900053A

一种基于土壤蓄冷的林用发电装置，属于能源技术领域，它包含太阳能收集系统、热电转换系统和土壤蓄冷系统；太阳能收集系统包含聚光器和集热罩，聚光器安装在集热罩上方，用于收集太阳能，集热罩的底部设有热电转换系统，聚光器用于将入射光聚焦到热电转换系统的热端，土壤蓄冷系统用于将能量传递给热电转换系统的冷端，使热电转换系统的热端和冷端产生温度差，集热罩的内表面铺设有热电转换系统，聚光器用于将入射光聚焦到热电转换系统的热端，热电转换系统的冷端与集热罩的内表面接触，本发明基于塞贝克温差发电技术，通过菲涅耳太阳能聚光器作为高温端，将季节性土壤蓄冷系统作为低温端，通过热电转换系统高效输出电能。

GEOTHERMAL HEATING AND COOLING SYSTEM CAPABLE OF REDUCING CONSUMPTION OF ELECTRICAL ENERGY

Resumen de: KR20240157983A

본 발명의 지열냉난방 시스템은 지중으로 관입되어 지열정펌프의 작동에 의해 지상으로 지열이 회수되는 생산정과 지열이 회수된 열매체가 지중으로 복귀되는 주입정이 구비되는 지열정, 지열정을 통해 회수된 지열이 교환되는 열교환기 및 증발기, 압축기, 응축기 및 팽창밸브가 구비되어 열교환기를 통해 공급받은 열을 통해 냉난방이 수행되는 히트펌프가 포함되고, 압축기는 냉방 또는 난방을 위해 설정되는 부하와 비례하여 압축용량이 결정된다.

GEOTHERMAL COOLING AND HEATING SYSTEM CAPABLE OF REDUCING DEPTH OF CONSTRUCTION OF UNDERGROUND HEAT EXCHANGERS

Resumen de: KR20240157980A

본 발명은 천부지열을 이용하여 발전이 가능한 지열냉난방시스템에 관한 것으로서, 압축기, 증발기, 응축기, 팽창밸브를 구비한 냉,난방 시스템에 있어서, 압축기로부터 유출되는 고온, 고압 기체가 통과하는 고온접촉냉매공급관과, 상기 고온접촉냉매공급관의 측면에서 고온을 전달받는 고온접촉부와, 지중의 지중열교환기에서 열교환되도록 순환궤도를 이루는 저온 공급수단에 의하여 저온을 공급받는 지중열교환기냉각수접촉공급관과, 상기 지중열교환기냉각수접촉공급관의 측면에서 저온을 전달받는 저온접촉부와, 상기 고온접촉부와 저온접촉부 사이에 개재되는 P형 및 N형 반도체를 더 포함하여, 상기 고온접촉부와 저온접촉부 사이의 온도 차이에 의해서 상기 반도체에서 전기를 발생시킨다.

GEOTHERMAL HEAT EXCHANGER IMPROVING HEAT EXCHANGE EFFICIENCY

Resumen de: KR20240157979A

본 발명은 지열냉난방 열교환기에 관한 것으로서, 지층에 형성되는 보어홀(B)에 삽입되는 것으로서 열매체가 유입되는 유입관(11), 열매체가 유출되는 유출관(12), 유입관(11)과 유출관(12)을 연결되는 연결관(13)으로 구성된 열교환관(10); 및 유입관(11)과 유출관(12) 사이의 간격을 일정하게 유지시키는 것으로서, 일측단(40a)이 연결되는 대칭형태의 제1,2스페이서몸체(41)(42)와, 제1스페이서몸체(41)에 이격되게 형성된 것으로서 제1유입관(11)과 유출관(12)이 각각 끼어지는 제1,2반홈(41a)(41b)과, 제2스페이서몸체(42)에 이격되게 형성된 것으로서 제1,2반홈(41a)(41b)과 대칭되게 형성되어 유입관(11)과 유출관(12)이 각각 끼어지는 제3,4반홈(42a)(42b)과, 제1스페이서몸체(41)의 타측단에 형성된 것으로서 제2스페이서몸체(42)의 타측단(40b)에 걸어지는 제1고리단(43)을 가지는 스페이서(40);를 포함하는 것을 특징으로 한다.

Geothermal system including a multi pipe vertical sealed underground heat exchanger using groundwater flow and its construction method

Resumen de: KR20240157266A

본 발명은 지하수 유동을 이용한 다관식 수직밀폐형 지중 열교환기를 포함한 지열시스템 및 이의 시공 방법에 관한 것으로, 지하수의 유동성을 증가 즉, 자연유속 이상의 유동성을 확보하여 열전도율을 향상하는 것을 목적으로 한다. 본 발명에 의한 지하수 유동을 이용한 다관식 수직밀폐형 지중 열교환기를 포함한 지열시스템은, 1개 이상의 지열공(110)과; 상기 지열공에 설치되며 열매체의 순환을 통해 지열을 회수하여 열교환기에 공급하는 밀폐형의 열매체 순환관(120)과; 상기 지열공 안에, 동력을 이용하여 상기 지열공 안을 흐르는 지하수의 자연유속보다 빠른 유속으로 유체를 급수하여 지하수의 유동성을 증가하는 유동성 증가부(200)를 포함하고, 상기 유동성 증가부는 상기 지열공 주변의 지중에 있는 지하수를 상기 지열공을 흐르는 지하수의 유속보다 빠른 유속으로 급수하는 지하수 급수부(210), 건물에서 발생하는 유출지하수를 상기 지열공을 흐르는 지하수의 유속보다 빠른 유속으로 급수하는 유출지하수 급수부(220), 상수를 상기 상수의 급수압력을 이용하여 상기 지열공을 흐르는 지하수의 유속보다 빠른 유속으로 급수하는 상수 급수부(230) 중 하나 이상이다. 또한, 상기 유동성 증가부는 무동력식으로 지열공 안�

一种地源热泵地埋管结构

Resumen de: CN118882217A

本发明涉及地源热泵技术领域，公开了一种地源热泵地埋管结构，包括：地源热泵分水器，地源热泵分水器的出水口设置有地埋管阀门，地埋管阀门远离地埋管阀门的一端设置有由两根相互连通的地埋管主体，两根地埋管主体之间设置有若干个埋管内撑组件，用于在向地下钻孔回填土时对两根地埋管主体进行支撑分离。本发明使内撑气囊自井底向井口位置逐渐发生膨胀，把两根地埋管主体撑开保持间距，内撑气囊的膨胀能够稳定地支撑并分开两根地埋管主体，确保它们之间的距离在长期使用中保持不变，这有助于维持地埋管主体之间的热交换效率，保持地埋管主体之间的适当间距有助于优化热交换条件，使热量在土壤和管道之间更高效地传递。

一种易于检修的室内环境温度调节建筑基础蓄热系统

Resumen de: CN118882218A

本发明公开了一种易于检修的室内环境温度调节建筑基础蓄热系统，以消纳不稳定可再生能源为目标的，利用内填蓄能介质的预制装配蓄能模块堆叠形成建筑基础的蓄能主体，蓄能模块内部设置可插拔加热装置，蓄能模块的侧板和底板采用空心管道板形成所需的热循环管道系统，将室内空气引入该循环管道系统中与蓄热基础换热再循环回到室内空间。本发明系统充分提升了建筑结构本体的蓄能量，通过控制蓄热基础的辐射热、对流热和传导热，调节蓄热基础和室内空间之间的换热过程和室内空气温度，同时通过预制蓄能模块的组合方式，提供检修空间，便于蓄能介质的填装、循环管道的连接等，具有易于施工、易于检修、易于调控、高效循环、高效储用的显著优势。

一种高地温干湿循环环境下的破碎岩体注浆试验体系

Resumen de: CN118883889A

本发明公开了一种高地温干湿循环环境下的破碎岩体注浆试验体系，包括试验架，所述试验架的中部开设有第一卡接孔，所述第一卡接孔中部安装有卡接杆，所述第一卡接孔的中部卡接有第一支撑板，所述试验架底部对应第一支撑板底部位置处安装有电动推杆，所述第一支撑板一端部安装有配重板，所述配重板上放置有配重块，本发明结通过设置高度可以调节的第一支撑板和第三支撑板，从而根据试验需要对透明筒身的高度进行调节，满足准备阶段的操作便利，也方便错开透明筒身对注浆试验进行观察，且能够对注水情况进行控制，和使用电热板控制控温，从而能够实现温润、干燥和湿润环境的模拟，实现多种环境下的试验，试验的准备度更高。

CASING A WELLBORE IN MAGMA

Resumen de: WO2024226102A1

A process for preparing a geothermal system involves preparing a borehole that extends into an underground magma reservoir, providing a flow of a first fluid into the borehole, thereby maintaining a rock layer around a portion of the borehole located within the magma reservoir, lowering a casing into the borehole, and providing a second fluid into the casing, thereby causing the casing to sink into a volume of the first fluid that is inside the borehole.

閉ループ地熱システムにおいて流体損失または流入を軽減すること

Resumen de: CN118176392A

A method includes circulating a heat transfer working fluid in a closed loop between a geothermal well located in a subterranean region and at least one of a heat exchanger or a turbine. The well is substantially sealed to limit fluid loss of working fluid into the subterranean region. At least one of a viscosity of the working fluid or a pressure difference between the working fluid and the subterranean region is controlled relative to fluid flow between the subterranean region and the well while circulating the working fluid.

GEOPRESSURE AND GEOTHERMAL POWER SYSTEM

Resumen de: US2024360817A1

A geopressure and geothermal power system includes at least one pressure exchanger configured to receive a production fluid and a working fluid. At least one power generation unit is fluidly coupled to the pressure exchanger. At least one production well is positioned at least partially within a geothermal reservoir and provides the production fluid to the pressure exchanger. The system may also include at least one heat exchanger fluidly coupled to the at least one pressure exchanger and configured to one of, a) receive from and b) provide to, the at least one pressure exchanger the production fluid and the working fluid.

METHOD OF CREATING AND OPERATING A SUBTERRANEAN ENERGY STORAGE FIELD

Resumen de: AU2023237890A1

A system and method of using a subterranean energy storage system includes a geothermal reservoir with at least one fracture configured to hold a working fluid for a period of time. At least one wellbore is positioned within the geothermal reservoir fluidly coupled to the at least one fracture. At least one pump is configured to at least one of a) inject the working fluid into the at least one fracture and b) withdraw the working fluid from the at least one fracture. A power system is fluidly coupled to the wellbore, the power system configured to convert at least one of a) a thermal energy of the working fluid and b) a fluid dynamic energy of the working fluid into an electrical current. A downhole pressure of the working fluid held in the at least fracture for the period of time increases during the period time.

CASING A WELLBORE IN MAGMA

Resumen de: US2024360734A1

A process for preparing a geothermal system involves preparing a borehole that extends into an underground magma reservoir, providing a flow of a first fluid into the borehole, thereby maintaining a rock layer around a portion of the borehole located within the magma reservoir, lowering a casing into the borehole, and providing a second fluid into the casing, thereby causing the casing to sink into a volume of the first fluid that is inside the borehole.

GEOTHERMAL HEAT EXTRACTOR

Resumen de: US2023194127A1

A geothermal heat extractor includes a heat transfer fluid and a heat transfer fluid supply conduit. The heat transfer fluid is maintained in the supply conduit in a liquid state at a pressure above its saturation pressure. The geothermal heat extractor further includes a heat transfer fluid return conduit, a geothermal heat source coupled thereto, at least one flow control valve configured to control the flow of the heat transfer fluid from the supply conduit to the return conduit, and an external load coupled to the return conduit. As the heat transfer fluid is provided to the return conduit in the liquid state, the heat transfer fluid vaporizes in the return conduit by heat supplied to the return conduit from the geothermal heat source. The vaporized heat transfer fluid is supplied from the return conduit to the external load.

HOSE FEEDING DEVICE

Resumen de: EP4455575A1

The present invention relates to a hose feeding device for lowering hoses 3 for geothermal heating or the like into a borehole 2 in the ground, whereby the hose feeding device 1 has a housing body 5 supporting a drive device 4 comprising a drive shaft 43, which drives at least one drive package 6 comprising a plurality in a feed line one after the other rotatable, separate drive rollers 60, which exert a feeding force on a pair of hoses 3, wherein said plurality of separate drive rollers 60 comprise a first drive roller 60 driven by said shaft 43 and at least one of said driven drive roller 60 via at least one drive belt 61 driven second drive roller 60 which exerts said feed force directly on said pair of hoses 3, whereby said casing body 5 comprises a bottom plate 51 which connects two side plates 50 between which said drive rollers 60 are arranged above said bottom plate 51 and that the fastening devices of the drive rollers 60 are arranged in said side plates 50 and thereby reinforces the casing body 5.

基于温度结点网络分析的中深层地热机组供热调控方法及装置

Resumen de: CN118856408A

本发明涉及地热机组技术领域，一种基于温度结点网络分析的中深层地热机组供热调控方法及装置，包括：获取控制结点的有向边集，从有向边集中提取有向边，基于有向边构建有向边网络，基于有向边网络提取子结点并计算子结点温度，基于子结点温度构建有向边网络，汇总多个有向边网络并导入至初始结点网络，利用预构建的预测值修正方法对所述初始结点网络执行校准操作，得到温度结点网络，获取预测供温值，基于预测供温值及温度结点网络完成基于温度结点网络分析的中深层地热机组供热调控。本发明可解决对地热机组温度结点网络的构建，且利用温度结点网络实现对不同结点对应变化的温度数值进行预测，从而实现低损耗调节地热机组的控制策略。

一种利用地下室底板进行能量转换的冷热源系统

Nº publicación: CN118856448A 29/10/2024

Solicitante:

中冶天工集团有限公司

Resumen de: CN118856448A

本发明提供一种利用地下室底板进行能量转换的冷热源系统，包括地下室底板、保温水箱、给水系统、疏水系统和回水系统；保温水箱用于存储水源热泵的冷热源；给水系统与保温水箱连通，包括给水管路和给水沟；疏水系统设置于地下室底板内，连通给水系统和回水系统；回水系统包括回水沟、集水井和与保温水箱连接的回水管路。给水沟设有检测装置，包括液位传感器。本发明通过设置水流环路，循环利用地下室底板进行热交换，更加节能环保，避免了对地下水造成污染；施工更加便捷，降低了施工成本；具有良好的可靠性，更加易于维修；还可以用于地下室顶板排水，或在原有的地下室底板排水系统的基础上构建，节约了建造资源。