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Resultados 38 resultados LastUpdate Última actualización 06/08/2020 [18:58:00] pdf PDF xls XLS

Solicitudes publicadas en los últimos 30 días / Applications published in the last 30 days



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SYSTEMS AND METHODS OF GENERATING ELECTRICITY USING HEAT FROM WITHIN THE EARTH

NºPublicación: EP3688382A1 05/08/2020

Solicitante:

HMFSF IP HOLDINGS LLC [US]

AU_2018341472_A1

Resumen de: WO2019067618A1

Systems and methods for producing energy from a geothermal formation. A heat exchanger can be disposed within a well to absorb heat from a geothermal formation. The heat exchanger can be supported within the well using a high thermal conductivity material. The heat exchanger is connected to an organic Rankine cycle engine including a secondary heat exchanger and a turbine. The primary and secondary heat transfer fluids are chosen to maximize efficiency of the organic Rankine cycle.

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SUPER-LONG THERMAL INSULATION STEEL JACKET PIPE AND MACHINING PROCESS THEREOF

NºPublicación: EP3690348A1 05/08/2020

Solicitante:

SHINDA TANGSHAN CREATIVE OIL & GAS EQUIPMENT CO LTD [CN]

US_2020240571_A1

Resumen de: EP3690348A1

The present invention discloses a super-long thermal insulation steel jacket pipe and the machining process thereof. The pipe has relatively good thermal insulation performance and corrosion resistance. Because an annular cavity (3) of the pipe is in a vacuum state, the pipe is internally provided with a support frame (5, 6) and filled with a phase change material. When the pipe is used for underground energy exploitation, temperature in a working steel pipe (1) in the pipe can be effectively kept unaffected when external temperature decreases. The steel jacket pipe in the present invention has long service life, and can greatly reduce costs of exploitation of petroleum and an underground heat source and reduce a heat loss in exploitation.

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跨季节地下储冷、储热系统

NºPublicación: CN111473534A 31/07/2020

Solicitante:

内蒙古润泰新能源科技有限公司

Resumen de: CN111473534A

本发明公开了涉及能源利用领域,尤其涉及一种跨季节地下储冷、储热系统,包括储热子系统、储冷子系统及冷热双收超导能量板;储热子系统设置于地面以下,包括储热池、储热介质及第一换热管路机构,第一换热管路机构一部分位于储热介质中,另一部分与冷热双收超导能量板构成回路;储冷子系统设置于地面以下,储冷子系统包括储冷池、储冷介质及第一热管管路机构,第一热管管路机构一部分位于所述储冷介质中,另一部分与冷热双收超导能量板构成回路;本系统针对外界环境的温度变化,使冷热双收超导能量板收集的冷能及热能分别储存,达到对能源的充分利用。

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SUPER-LONG THERMAL INSULATION STEEL JACKET PIPE AND MACHINING PROCESS THEREOF

NºPublicación: US2020240571A1 30/07/2020

Solicitante:

SHINDA TANGSHAN CREATIVE OIL & GAS EQUIPMENT CO LTD [CN]

RU_2721011_C1

Resumen de: US2020240571A1

A super-long thermal insulation steel jacket pipe and a machining process for making such a pipe are provided. The pipe is designed to exhibit good thermal insulation performance and corrosion resistance. An annular cavity of the pipe is in a vacuum state, and the pipe is internally provided with a support frame and filled with a phase change material. When the pipe is used for underground energy exploitation, temperature in a working steel pipe in the pipe can be effectively kept unaffected when external temperature decreases. The steel jacket pipe has long service life, and can greatly reduce costs of exploitation of petroleum and/or of an underground heat source, such as by reducing a heat loss in exploitation.

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HEAT TRANSFER SYSTEM UTILIZING DYNAMIC FLUID LEVELING

NºPublicación: US2020240654A1 30/07/2020

Solicitante:

SAAVEDRA JOHN [US]

Resumen de: US2020240654A1

A heat transfer system includes a conduit having open first and second ends, first and second thermal exchange segments disposed in-between and in fluid communication with the ends, and a means for adding fluid to the first end. The first thermal exchange segment is disposed underneath and in thermal communication with the ground, a body of water, or other location with a different temperature. The first and second ends are arranged above all other section of conduit and relative to one another so that they are communicating vessels and a change in fluid level in one changes the fluid level in the other. The means for adding fluid to the first end of the conduit causes fluid to flow freely from the first end to the second end and fluid level to rise in the second overcoming any hydrostatic pressure in the system without a pump disposed along the conduit.

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METHOD AND SYSTEM FOR STORING ELECTRICAL ENERGY IN THE FORM OF HEAT AND PRODUCING A POWER OUTPUT USING SAID HEAT

NºPublicación: WO2020153896A1 30/07/2020

Solicitante:

CLIMEON AB [SE]

Resumen de: WO2020153896A1

The invention relates to a system for storing heat energy and generating a power output in the form of electricity using the heat. The energy system comprising a heat power module (1) operating in accordance with a thermodynamic closed loop cycle process (RC) to generate a first power output (E1) from heat input (HSin) from a geothermal well, a receiver (2) for receiving the first power output (E1) and a second power output (E2) generated by at least one additional intermittent energy source (ES2) selected from solar photovoltaics, wind power, biogas electrification or other renewable energy source arranged to intermittently generate electricity. The energy system also comprises an electricity control system (3) controlling and distributing the first power output (E1) and second power output (E2) via the receiver (2) externally to an electrical grid, at least one flow control system (4) arranged to distribute the flow of a geothermal medium heated by the geothermal heat (HS) in the geothermal well and a controller (5). The controller (5) is arranged to direct the flow control system (4) to regulate the geothermal medium to i) be distributed from the geothermal well to a first thermal storage system (6) when a second power output (E2) is received, and ii) be distributed from the first thermal storage system (6) to be used as heat input (HSin) to the heat power module (1) mainly when a second power output (E2) is not received. The invention also relates to a method for storing

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GEOTHERMAL WELL, METHOD OF ESTABLISHING THEREOF AND METHOD FOR GEOTHERMAL ENERGY PRODUCTION

NºPublicación: WO2020152485A1 30/07/2020

Solicitante:

GEOMAX PROJECT KFT [HU]

Resumen de: WO2020152485A1

The object of the invention is a geothermal well, which comprises in a wellbore formed in the Earth's crust: a fist tube (1) comprising at least one opening in a first depth and having a first inner diameter, a first outer diameter, and a side wall which is thermally insulated at least in a portion thereof; a second tube (2) having a closed bottom in a second depth, a second inner diameter larger than the first outer diameter, and a second outer diameter; a third tube (3) having a closed bottom in a third depth, a third inner diameter larger than the second outer diameter, and a third outer diameter, wherein the first tube (1) is inside the second tube (2), a first interspace (20) is present between the first tube (1) and the second tube (2), wherein the first tube (1) has at least one opening in fluid communication with the first interspace (20), wherein the second tube (2) is inside the third tube (3), a second interspace (30) is present between the second tube (2) and the third tube (3); wherein the third depth is smaller than the second depth and the first depth is smaller than the second depth, furthermore through-holes (21) are formed in the second tube (2) above the bottom of the third tube (3), which allow fluid communication between the first interspace (20) and the second interspace (30), a first sealing element (22) is disposed in the first interspace (20) above the through-holes (21) for preventing upward flow of fluid in the first interspace (20), and a heat insu

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GEOTHERMAL WELL, METHOD OF ESTABLISHING THEREOF AND METHOD FOR GEOTHERMAL ENERGY PRODUCTION

NºPublicación: EP3686511A1 29/07/2020

Solicitante:

GEOMAX PROJECT KFT [HU]

Resumen de: EP3686511A1

The object of the invention is a geothermal well, which comprises in a wellbore formed in the Earth's crust: a fist tube (1) comprising at least one opening in a first depth and having a first inner diameter, a first outer diameter, and a side wall which is thermally insulated at least in a portion thereof; a second tube (2) having a closed bottom in a second depth, a second inner diameter larger than the first outer diameter, and a second outer diameter; a third tube (3) having a closed bottom in a third depth, a third inner diameter larger than the second outer diameter, and a third outer diameter, wherein the first tube (1) is inside the second tube (2), a first interspace (20) is present between the first tube (1) and the second tube (2), wherein the first tube (1) has at least one opening in fluid communication with the first interspace (20), wherein the second tube (2) is inside the third tube (3), a second interspace (30) is present between the second tube (2) and the third tube (3); wherein the third depth is smaller than the second depth and the first depth is smaller than the second depth, furthermore through-holes (21) are formed in the second tube (2) above the bottom of the third tube (3), which allow fluid communication between the first interspace (20) and the second interspace (30), a first sealing element (22) is disposed in the first interspace (20) above the through-holes (21) for preventing upward flow of fluid in the first interspace (20), and a heat insu

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一种中深层地热耦合储能多源供热制冷工艺及系统

NºPublicación: CN111457512A 28/07/2020

Solicitante:

西安联创分布式可再生能源研究院有限公司

Resumen de: CN111457512A

本发明提出一种中深层地热耦合储能多源供热制冷工艺及系统,较低温工质进入地下吸收中深层地热后经地上发生热量交换后循环进入地下;经地上发生热量交换后产生的较高温工质输送至末端用户;同时,经过一次换热后的低温工质还可以根据需求,进入热泵机组进行二次换热再次进行供热,被再次利用降温后的低温工质返回地下取热器中吸收中深层地热,扩大供热能力,实现中深层地热的梯级利用;末端用户的冷量通过双工况热泵主机和冷却设备提供;双工况热泵机组的多余热量或冷量进行储存,供给末端用户;中深层地热和储能技术进行耦合,在低负荷时制取热量并进行存储,削减峰值装机量。

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一种水源热泵地下水回灌系统

NºPublicación: CN111457607A 28/07/2020

Solicitante:

北京甜圆农业科技有限公司

Resumen de: CN111457607A

本发明公开了一种水源热泵地下水回灌系统,通过设置抽水井和回灌井,井水经抽水井抽出经过热泵装置换热后回灌至回灌井内,回灌系统与外部的热泵装置连接形成闭环,且过程封闭,地下水循环后无损失、无污染地又回到地下;并在循环水的回水管路上设置回灌增压泵,用以控制回灌压力,调节回灌流量和回灌井的动态水位;同时在回灌井的井筒内设置水位传感器,当回灌井动态水位升高触发该传感器后,控制器发出水位保护指令,防止回灌井动态水位升高溢出井筒。抽水井和回灌井配置完全相同,可以互为抽水井和回灌井,当其中一侧水泵故障时,另一侧水泵可以完全替代工作,保障回灌系统工作的高可靠性。本发明设计简单、造价低,便于应用和普及。

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一种地热连通井热交换隔离开采方法

NºPublicación: CN111456720A 28/07/2020

Solicitante:

中国地质科学院勘探技术研究所

Resumen de: CN111456720A

一种地热连通井热交换隔离开采方法,按照下述步骤进行:a、垂直井钻进b、建造垂直井对接腔室;c、水平井钻进;d、水平井内下入生产套管;e、泵入凝胶;f、送入坐挂工具;g、下钻对接,h、安装采热水管柱。本发明采用化学凝胶密封技术将“U”形通道与地层完全隔离开,避免地热开采过程中注入的冷水与地层直接接触而产生相互水交换污染,注入的冷水只从地底下获取热量后形成热水被抽采到地面,而不从地下抽取热水,实现连通井眼与地层完全隔离,避免地热开采过程中与地下水直接接触。本发明解决了地热开采过程中的环境污染问题,实现真正意义上的取热不取水;此外本发明方法还具有两井对接技术难度小,容易实施的特点。

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一种优化竖直地热换热器管群间热响应叠加的方法

NºPublicación: CN111460628A 28/07/2020

Solicitante:

南京理工大学

Resumen de: CN111460628A

本发明公开了一种优化竖直地热换热器管群间热响应叠加的方法,通过判断管群的对称性与否,建立不同的代表区域,再对代表区域内埋管进行分析计算,在计算管群中所有埋管在代表区域埋管壁面上的温度响应时,先叠加管群中所有埋管在代表区域埋管壁面上的温度响应因子,再卷积历史时刻热流与代表区域壁面处的温度响应因子,计算出代表区域埋管壁面处温度,最后通过对称性原理将整个管群区域还原。本发明分别利用对称性原理和先叠加所有埋管在代表区域埋管壁面上的温度响应因子的方法,减少了计算埋管数量和卷积计算次数,从而减少线热源模型解析解模型的计算时间。

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一种应用于地源热泵系统的高效地能换热装置

NºPublicación: CN111442688A 24/07/2020

Solicitante:

徐州云乐环保设备科技有限公司

Resumen de: CN111442688A

本发明公开了一种应用于地源热泵系统的高效地能换热装置,属于地源热泵技术领域,本方案通过启动柱塞泵,使得柱塞泵将地热管道中的水抽入至第一储水箱内,使得水流对接触环进行冲击,使得活动环沿着地热管道左移,从而使得环形刮刀对地热管道内壁上的水垢进行刮拭,通过水流对第一清洗球的冲击,使得第一清洗球内部的柠檬酸溶液通过运动喷射瓶嘴释放,对水垢进行分解,并通过过滤板对水垢进行过滤,从而提高对水垢的分解效率,通过第二清洗球反复运动,以及活性炭层和筛分叉的吸附作用,可以对进入到第一清洗球内的残余水垢进行进一步的收集,通过二氧化碳受热膨胀性,可以使得第二清洗球逐渐膨胀,从而提高其过滤效果。

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一种基于太阳能地热能联合发电系统的供热系统

NºPublicación: CN111442544A 24/07/2020

Solicitante:

吉林大学

Resumen de: CN111442544A

本发明公开了一种基于太阳能地热能联合发电系统的供热系统,包括:第一供热换热器,其热流体入口选择性的与第一未完全做工流体出口连通;其中,第一循环换热器的冷流体出口选择性的与第二循环换热器的冷流体入口或第一供热换热器的冷流体入口连通;第二供热换热器,其冷流体出口与用户供热管道入口连通;其中,第二循环换热器的冷流体出口选择性的与第一供热换热器的冷流体入口或第二供热换热器的冷流体入口连通;第三供热换热器,其冷流体入口与第一供热换热器的冷流体出口连通,第三供热换热器的冷流体出口与用户供热管道入口连通;其中,第二未完全做工流体出口选择性的与第二供热换热器的热流体入口或第三供热换热器的热流体入口连通。

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一种新型太阳能智能热电联供系统

NºPublicación: CN111442326A 24/07/2020

Solicitante:

四川蜀旺新能源股份有限公司

Resumen de: CN111442326A

本发明提供的新型太阳能智能热电联供系统主要利用背面集热式电池组件的发电系统把太阳能直接转换成直流电,通过防雷汇流箱和直流配电柜,把多路直流汇入到逆变器,逆变器把多路直流电变换成交流电,再通过交流配电柜、升压变压器和高压开关装置接入电网,向电网输送光伏电量,由电网统一调配向用户供电;同时逆变器也可以把多路直流电变换成交流电接入储能电池,由储能电池给冷热交换器供电,也可以由热交换系统直接给恒温装置供热;根据人们对水温的设置,冷热交换器将恒温装置输送来的水变换到一定的温度再输回到恒温装置;同时土壤储热装置也可以通过泵循环水,对恒温装置里的水进行冷热交换,由恒温装置负责给供暖装置供暖或者冷却。

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热能转化结构及井下温差发电装置

NºPublicación: CN111446887A 24/07/2020

Solicitante:

北京热力装备制造有限公司

Resumen de: CN111446887A

本申请公开一种热能转化结构及井下温差发电装置。热能转化结构包括带状软质导热基体、温差发电片以及散热器。带状软质导热基体被构造为固定于井下供热管道的外壁。温差发电片的热端固定于带状软质导热基体,温差发电片的冷端固定散热器。本申请提供的技术方案能够解决现有技术中热力井室内部的电子设备供电难的问题。

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一种增强换热的方法

NºPublicación: CN111442549A 24/07/2020

Solicitante:

甘肃省建材科研设计院有限责任公司兰州宏方新型建材科技有限公司

Resumen de: CN111442549A

本发明涉及一种增强换热的方法,包括以下步骤:⑴按设计要求钻地热井;⑵在处于地表以下增温层的外层套管的外表面部分涂覆增强换热材料,使其与外层套管形成一个整体,并随外层套管一起下到地热井内;⑶将内层套管放入外层套管中,使内层套管与外层套管形成同轴双层套管;⑷当下管结束后,根据打井时地层含水情况,在外层套管外表面与钻孔间的缝隙处慢慢注水,边观察边注入,使增强换热材料浸水6~8h后开始膨胀再固化;⑸换热介质由外层套管注入,并通过外层套管与地下高温岩体进行换热后,由内层套管输送至地面。本发明以同轴套管的外层套管作用换热管,有效增加了换热管与高温岩体间的接触面积和换热系数,提高了换热效率,并增加了单井的取热量。

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一种综合考虑换热-阻力-经济因素的无干扰地岩热换热器设计方法

NºPublicación: CN111428346A 17/07/2020

Solicitante:

西安交通大学

Resumen de: CN111428346A

一种综合考虑换热‑阻力‑经济因素的无干扰地岩热换热器设计方法,可合理筛选换热器各部件的材料,并优化设计换热器的尺寸参数,综合考虑了换热器换热、流动特性和成本因素,实现一定成本下的性能最优化,从而达到提高换热性能、减小流动阻力、降低投资成本的目的,该方法对于无干扰地岩热换热器的设计和优化有着重要的指导意义和工程应用价值;以增强无干扰地岩热换热器换热、减少流动阻力、提高流动换热综合性能为原则。

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一种基于地源热泵系统的地埋管回填方法

NºPublicación: CN111426083A 17/07/2020

Solicitante:

徐州云乐环保设备科技有限公司

Resumen de: CN111426083A

本发明公开了一种基于地源热泵系统的地埋管回填方法,本方案在丰水季,地下水位较高时,地下水自身水面的压力会将导水管和限位顶盖向上顶起,此时地下水会沿导水管和通水孔流入过渡箱内,临时起到地下水排出作用,避免因地下水水面压力过大而导致地源热泵系统的回填层损坏,进入过渡箱的地下水可以通过分隔板进入回填土层内,再经由地下室的升腾作用穿过回填土层,而在枯水期,地下水位较低时,在处于压缩状态的压缩弹簧的作用下,导水管和限位顶盖牢牢密封住疏水孔,减小过渡箱下侧的地下水与外界发生热交换,增加地下水的保温效果。

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中深层高效换热地热井系统

NºPublicación: CN111426084A 17/07/2020

Solicitante:

河南省有色工程勘察有限公司

Resumen de: CN111426084A

本发明属于地热井及地热能利用技术领域,尤其为中深层高效换热地热井系统,包括地上换热系统、地下换热系统,地下换热系统由管道、地井和储热层共同构成,地井的内部安装有套管,储热层由砂岩含水层和泥岩层共同构成,管道外壁上靠近砂岩含水层的位置处一体成型有衔接管体,通过衔接管体的扩增式设计以及连接杆块、衔接块密集排布的传热作用,增加了接触面,有效提�x9AD8;了在地下换热系统内部分段的管道与储热层之间较强的换热效率,利用第一夹板、第二夹板在固定件作用下的连接固定,增强了管道与地井的连接牢靠性,同时通过两侧二号安装板、固定板上反向监控组件的安装,能够对地下换热系统内的管道运作情况进行实时监控。

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一种用于防治路基冻胀的垂直式地埋管换热器

NºPublicación: CN111426085A 17/07/2020

Solicitante:

西南科技大学

Resumen de: CN111426085A

本发明公开了一种用于防治路基冻胀的垂直式地埋管换热器,包括升热机构、分别连接在升热机构两端的放热组件以及通过输热管道连接在升热机构下端且与放热组件连通的制冷换热机构;放热组件包括分别连接在升热机构两端的双层换热管组件、连接在双层换热管组件上的气液分离器以及连接在气液分离器与制冷换热机构之间的分支管;该换热器结构简单,整体为组装式结构,便于运输及施工需要,且制作成本低,使用可靠,散热均匀,换热效果好,换热效率高。

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GEOTHERMAL EXPLOITATION SYSTEM AND CONSTRUCTION METHOD THEREFOR

NºPublicación: WO2020143066A1 16/07/2020

Solicitante:

MECHSOFTTECHNOLOGY U S A CO LLC [US]
UNIV DALIAN TECH [CN]
DALIAN LIZHEN TECH CO LTD [CN]

Resumen de: WO2020143066A1

Provided are a loosening blasting hot ore deposit exploitation system and a construction method therefor. The hot ore deposit exploitation system comprises a ground lifting system (1), a large diameter shaft (2), an underground high-temperature and high-pressure heat exchange water tank (3), a heat exchange flow guide channel (4), a water‑rock geothermal flow storage layer formed by drift blasting tunnels (5) and a main tunnel (6), a movable sealing device (11), etc., wherein the hot ore deposit exploitation system is provided with an injection pipeline (8) and a collecting pipeline (9) along an inner wall of the large diameter shaft (2), and the injection pipeline (8) communicates with the collecting pipeline (9) via the heat exchange flow guide channel (4) for the underground high-temperature and high-pressure heat exchange water tank (3) in hot dry rock; the main tunnel (6) for circulating is disposed around the underground high-temperature and high-pressure heat exchange water tank (3), and multiple rows of drift blasting tunnels (5) are horizontally arranged along the main tunnel (6); and a hot ore deposit blasting fracture flow storage layer (7) is formed by means of caving loosening blasting, and the movable sealing device (11) is arranged above the shaft in a blasting layer. By using the principle of a U-shaped pipe, heat energy can be exchanged between cold water and hot water in the high-temperature and high-pressure water tank through the injection pipeline (8) a

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DEVICE FOR ADJUSTING HEAT TRANSFER CAPACITY OF ROADBED IN COLD REGION AND CONTROL METHOD THEREFOR

NºPublicación: WO2020143468A1 16/07/2020

Solicitante:

UNIV SHIJIAZHUANG TIEDAO [CN]

CN_109537390_A

Resumen de: WO2020143468A1

Disclosed is a device for adjusting the heat transfer capacity of a roadbed in a cold region, the device comprising a compressor (3) in communication with an electromagnetic four-way valve (4); a first pipe body with a protruding end A (603) and a protruding end B (604); and a second pipe body with a protruding end C (704) and a protruding end D (705), wherein the first pipe body and the second pipe body are respectively embedded in a maximum freezing depth layer (1) and a stabilized layer (2), the protruding end A (603) and the protruding end C (704) are respectively in communication with the electromagnetic four-way valve (4), and the protruding end B (604) and the protruding end D (705) are respectively in communication with a refrigerant expansion unit (5). According to a control method for the device, a controller (9) is connected to the compressor (3), the electromagnetic four-way valve (4) and a power source (12), and a first temperature sensor (10) and a second temperature sensor (11), which are connected to the controller (9), are respectively arranged in the maximum freezing depth layer (1) and the stabilized layer (2).

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DISTRICT ENERGY DISTRIBUTING SYSTEM AND METHOD OF PROVIDING MECHANICAL WORK AND HEATING HEAT TRANSFER FLUID OF A DISTRICT THERMAL ENERGY CIRCUIT

NºPublicación: JP2020521097A 16/07/2020

Solicitante:

エー.オン、スベリゲ、アクチボラグE.ONSverigeAktiebolag

US_2020096205_A1

Resumen de: EP3399246A1

A district energy distributing system comprising a geothermal power plant (50) comprising a first and a second circuit is disclosed. The first circuit comprises a feed conduit (11) for an incoming flow of geothermally heated water from a geothermal heat source (10); a boiler (51) comprising a heat exchanger (52a, 52b, 52c) configured to exchange heat from the incoming flow of geothermally heated water to superheat a working medium of a second circuit of the geothermal power plant (50); and a return conduit (12) for a return flow of cooled water from the boiler (51) to the geothermal heat source (10). The second circuit comprises the boiler (51) configured to superheat the working medium of the second circuit; an expander (53) configured to allow the superheated working medium to expand and to transform the expansion to mechanical work; and a condenser (55) configured to transform the expanded working medium to liquid phase and to heat a heat transfer fluid of a district thermal energy circuit (20). The district thermal energy circuit (20) comprises a plurality of local heating systems (200; 250), each system (200; 250) being configured to provide hot water and/or comfort heating to a building (40). The condenser (55) is configured to heat heat transfer fluid of the district feed conduit (22) to a temperature of 5-30°C. Also, a method of providing mechanical work and of heating heat transfer fluid of a district thermal energy circuit (20) is disclosed.

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BOREHOLE SEASONAL HEAT STORAGE SYSTEM CAPABLE OF SELECTING STORING SPACE IN ACCORDANCE WITH SUPPLY TEMPERATURE OF HEAT SOURCE

Nº publicación: RU2018145886A 15/07/2020

Solicitante:

КОРИАДИСТРИКТХИТИНГИНЖИНИРИНГКОЛтд

US_2019186789_A1

Resumen de: KR101670007B1

The present invention relates to a borehole-type seasonal heat storage system, and more specifically, to a borehole-type seasonal heat storage system capable of selecting a heat storage space according to a supply temperature of a heat source. A first heat storage pipe member comprises a supply pipe and a collection pipe formed in an annular shape, and is formed on a lower surface, wherein a U-shaped vertical pipe is connected to be inserted into a borehole. An n^th heat storage pipe member has a supply pipe and a collection pipe having diameters larger than the diameters of the supply pipe and the collection pipe of the first heat storage pipe member. Then the n^th heat storage pipe member is arranged on the outside of the first heat storage pipe member at a proper interval to form a seasonal heat storage body. A supply temperature of a heat source entering a main supply pipe and an underground temperature of each portion of the seasonal heat storage body are measured to supply heat to the first or the n^th heat storage pipe member corresponding to a corresponding temperature according to the supply temperature of the heat source to store heat to increase heat storage performance.

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