GEOTHERMAL ENERGY

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Resultados 31 results. LastUpdate Updated on 05/07/2020 [18:50:00] pdf PDF xls XLS

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



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HEAT RETENTION SYSTEM AND HEAT RETENTION DEVICE

Publication No.: WO2020138243A1 02/07/2020

Applicant:

SHINTANI TATSUYA [JP]

Absstract of: WO2020138243A1

A heat retention system (1) is provided with a storage unit (10), a passageway unit (30), and a guiding unit (40). The passageway unit (30) constitutes a passageway for a substance as a heat-transport medium. The storage unit (10) stores the substance. The guiding unit (40) connects the storage unit (10) and the passageway unit (30) and guides the substance from the storage unit (10) to the passageway unit (30). The passageway unit (30) is disposed in an accommodating space (330) for accommodating an object. The heat retention system (1) further includes a first accommodating unit (20) for accommodating the object. The first accommodating unit 20 is disposed in the accommodating space (330). The substance is a liquid (LQ). The storage unit (10) is positioned underground (G2). The first accommodating unit (20) is disposed in the accommodating space (330). The guiding unit (40) guides the liquid (LQ) from the storage unit (10) to the passageway unit (30). The passageway unit (30) is disposed outside the first accommodating unit (20).

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Storing and extracting thermal energy in a hydrocarbon well

Publication No.: GB2579642A 01/07/2020

Applicant:

RIGON ENERGY LTD [GB]

GB_2579683_A

Absstract of: GB2579642A

A system to transfer heat to or from a gas or oil borehole comprises a heat exchanger 530 located within the borehole and used to transfer heat to or from the walls / sides of the borehole 330 whilst maintaining a fluid path for oil or gas along the borehole outside the heat exchanger. The heat exchanger may comprise of concentric pipes (340, 350, fig 2) spaced (380) from the borehole wall by resilient brackets 390 by applying a biasing force to the wall. The concentric pipes may be biased into contact with the wall (fig 3) or may comprise parallel pipes (340, 350, fig 4) for respective flow and return heat transfer fluid and a parallel tube (370) for hydrocarbon. The brackets may comprise of collars 500 clamped to the heat exchanger and bow springs which may have a flattened center portion 520. The springs may be made from copper, copper alloy, aluminium or a flexible material containing graphene or carbon fiber. The heat exchanger is used in an active well to store thermal energy that may be extracted at another time - for example store solar heat in the summer to be extracted and used in the winter.

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Storing and extracting thermal energy in a hydrocarbon well

Publication No.: GB2579683A 01/07/2020

Applicant:

RIGON ENERGY LTD [GB]

GB_2579642_A

Absstract of: GB2579683A

A heat storage and/or extraction apparatus for a hydrocarbon well (gas or oil) comprises an underground heat exchanger and a positioning device 390. The heat exchanger comprises a first tube 350 for communicating a fluid in a first direction, a second tube 340 for communicating the fluid in a second direction, and the positioning device comprises a plurality of apertures through which a hydrocarbon fluid may pass. The positioning device may space the tubes from the borehole wall 330 and may be resilient brackets 390 applying a biasing force to the wall. The brackets may comprise of collars (600, 610 fig 6) clamped to the heat exchanger and bow springs may have a flattened center portion (620). The springs may be made from copper, copper alloy, aluminium or a flexible material containing graphene or carbon fiber. The heat exchanger is used in an active well to store thermal energy that may be extracted at another time - for example store solar heat in the summer to be extracted and used in the winter. The well may be a shale gas / oil well and can be used after the hydrocarbon fluid flow from the well is exhausted.

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GEOTHERMAL ENERGY COLLECTION SYSTEM

Publication No.: US2020200438A1 25/06/2020

Applicant:

MCBAY DAVID ALAN [US]

US_2019063789_A1

Absstract of: US2020200438A1

The disclosed technology includes methods of extracting geothermal energy, generally comprising the steps of: insertion of a thermal mass into a Heat Absorption Zone, absorbing heat in thermal mass, raising the thermal mass to a Heat Transfer Zone, and transferring the heat from the thermal mass. The acquired heat can be used to generate electricity or to drive an industrial process. The thermal mass can have internal chambers containing a liquid such as molten salt, and can also have structures facilitating heat exchange using a thermal exchange fluid, such as a gas or a glycol-based fluid. In some embodiments, two thermal masses are used as counterweights, reducing the energy consumed in bringing the heat in the thermal masses to the surface. In other embodiments, solid or molten salt can be directly supplied to a well shaft to acquire geothermal heat and returned to the surface in a closed loop system.

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DRILLING RIG AND METHODS USING MULTIPLE TYPES OF DRILLING FOR INSTALLING GEOTHERMAL SYSTEMS

Publication No.: WO2020132545A1 25/06/2020

Applicant:

TERRA SONIC INT LLC [US]

Absstract of: WO2020132545A1

A drilling rig (10) and methods are provided for using multiple types of drilling when installing geothermal systems. The drilling rig can perform sonic drilling such as percussive sonic drilling and a type of non-sonic drilling. Control switching valves (26, 28) are added to the hydraulics of the drilling rig to selectively provide sufficient flow of hydraulic fluid to motors (32, 84) used in the multiple types of drilling, depending on which type of drilling is currently most efficient for the underground formation being drilled. The water pump (22) and hydraulic motor (32) for such has been designed to handle both types of drilling on a small drilling rig frame, thereby allowing for the drilling to occur in space-constrained environments. A method of recycling water used to remove cuttings during drilling to put back downhole is also provided.

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地中熱交換機構

Publication No.: JP2020098065A 25/06/2020

Applicant:

株式会社竹中工務店

Absstract of: JP2020098065A

【課題】螺旋状の曲げ加工を要することなく、熱交換効率を高めることができる地中熱交換構造を提供することを目的とする。【解決手段】地盤に形成された縦孔に挿入され、並列配置された上下に延在する直管、前記直管の流入口をそれぞれ連通させる上部接続部、及び前記直管の流出口をそれぞれ連通させる下部接続部を備えた採熱管と、前記採熱管の前記上部接続部に接続され地上から熱媒体を前記採熱管へ送る送り管と、前記採熱管の前記下部接続部に接続され前記採熱管からの熱媒体を地上へ戻す戻り管と、を有する地中熱交換機構。【選択図】図2

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METHOD AND APPARATUS FOR INSTALLING GEOTHERMAL HEAT EXCHANGER

Publication No.: JP2020098089A 25/06/2020

Applicant:

ジオソースエネルギーインコーポレイテッドGeosourceEnergyInc.

KR_20200031530_A

Absstract of: EP3623723A2

A borehole is bored to a borehole target depth in a site and a geothermal heat exchanger is inserted into and then secured in the borehole at the desired depth. Once the heat exchanger has been secured in the borehole, the heat exchanger has a closed distal end and an open proximal end and has at least one fluid path between the closed distal end and the open proximal end, with installation fluid disposed in the fluid path(s). After securing the heat exchanger in the borehole and before excavation of a portion of the site immediately surrounding the borehole, the heat exchanger is temporarily sealed by installing, through the open proximal end, at least one respective internal seal in each fluid path. For each fluid path, the internal seal(s) will be disposed below a respective notional subgrade depth and excavation of the site immediately surrounding the borehole can proceed.

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GEOTHERMAL HEAT EXCHANGE PILE

Publication No.: WO2020130379A1 25/06/2020

Applicant:

POSCO [KR]

Absstract of: WO2020130379A1

The present invention relates to a geothermal heat exchange pile in which a conventional vertical reinforcement is replaced with a pipe member such as, for example, a high strength steel pipe, and which can thus be used as both a geothermal heat exchange member and a structural material. The geothermal heat exchange pile comprises: a gird structure formed by coupling a plurality of pipe members which are disposed so as to surround the center of the pile, and a plurality of hoop reinforcements respectively supporting the plurality of pipe members on the same horizontal plane; and a concrete part formed around the grid structure so that the grid structure is buried.

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Enhancing Geothermal Energy Production in a Well

Publication No.: US2020191444A1 18/06/2020

Applicant:

WISE INTERVENTION SERVICES INC [CA]

WO_2018112610_PA

Absstract of: US2020191444A1

A method for recompleting a well is applied to a well such that the recompleted well can thermally transfer geothermal energy to surface. The recompleting method can comprise steps to hydraulically isolate a wellbore using a hydraulic isolation means, and enhance the thermal conductivity of a reservoir in which the wellbore is located by inserting a thermal material into the reservoir that displaces a reservoir fluid having a lower thermal conductivity than the thermal material.

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Enhancing Geothermal Energy Production in a Well

Publication No.: US2020190937A1 18/06/2020

Applicant:

WISE INTERVENTION SERVICES INC [DE]

WO_2018112611_PA

Absstract of: US2020190937A1

A method for recompleting a well is applied to a well such that the recompleted well can thermally transfer geothermal energy to surface. The recompleting method can comprise steps to enhance the thermal conductivity of a wellbore of a hydrocarbon well, by inserting a thermal material into the wellbore that displaces a reservoir fluid having a lower thermal conductivity than the thermal material. The recompleting method can also comprise steps to enhance the thermal conductivity of a reservoir in which the wellbore is located by inserting a thermal material into the reservoir that displaces a reservoir fluid having a lower thermal conductivity than the thermal material, or in which the reservoir is fractured, and a thermal material is inserted into created fractures.

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一种利用废弃油井开采地热的换热保温套管

Publication No.: CN111287672A 16/06/2020

Applicant:

东北石油大学

Absstract of: CN111287672A

一种利用废弃油井开采地热的换热保温套管,涉及套管本体技术领域,它包括套管本体,套管本体包括内管、中管一、中管二和外管,内管、中管一、中管二和外管由内至外依次设置,内管与中管一之间夹层内填充保温材料,中管一与中管二之间夹层为真空层,中管二与外管之间夹层内填充保温材料。本利用废弃油井开采地热的换热保温套管适用与油田废弃油井的二次利用,结构简单,加工方便,采热效率高,保温性能好,避免了复杂的机械安装与施工,节能环保,符合当代新能源利用的发展需求。

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一种无干扰地热聚能设备

Publication No.: CN111288673A 16/06/2020

Applicant:

陕西四季春清洁热源股份有限公司

Absstract of: CN111288673A

本发明提供一种无干扰地热聚能设备,包括地下换热器,无干扰干热岩供热换热模块,机组外壳,保温棉层,聚能箱,导出管,中空密封塞,吸热块,底部防潮层,连接管,聚能导管,聚能防护可调节免扰罩结构,可抽插式片结构,聚热循环保温管结构和可缓冲减震防护架。本发明用于地下2500米深,耐腐蚀耐高温,并可在地下温度65度的环境下进行工作,该设备的无干扰干热岩供热换热模块的宽度设置为200毫米,可运用在地下2500米深最底处。

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一种基于地热能的冷热电联供系统及其工作方法

Publication No.: CN111271898A 12/06/2020

Applicant:

陕西科技大学

Absstract of: CN111271898A

本发明公开的一种基于地热能的冷热电联供系统及其工作方法,属于可再生能源开发利用与动力工程技术领域。包括闪蒸器、精馏塔、吸收器、蒸汽透平、第一冷凝器、蒸发器、第二冷凝器、热用户回路和冷用户回路;将地热闪蒸发电循环与一个氨水吸收式循环有机集成,将闪蒸器排出的饱和水作为氨水吸收式循环的热源,同时回收利用氨水吸收式循环中冷凝器和吸收器放出的余热,形成一个冷热电联供系统,满足了用户对不同种类能量的需求,实现了能源的梯级利用。该系统结构设计合理,利用两种循环的耦合,产生冷热电三种产品,有效提高了系统的能源转换效率,且绿色环保、适用范围广。

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一种水热型地热资源开发利用系统及其开发利用方法

Publication No.: CN111271899A 12/06/2020

Applicant:

山东省地勘局第二水文地质工程地质大队(山东省鲁北地质工程勘察院)

Absstract of: CN111271899A

本发明提供一种水热型地热资源开发利用系统及其开发利用方法,包括开采水处理装置、回灌水处理装置、热泵系统,所述开采水处理装置与回灌水处理装置之间安装有热泵系统,两个地热井分别作为开采井或回灌井,可进行供热和制冷模式的切换,进行循环往复的供热和制冷,防止了水热型地热资源开发工程热突破问题的发生,同时使水热型地热资源由单一的供热模式优化为供热和制冷兼顾模式,对地热的利用率更高,另外,两个井分别作为开采井或回灌井,可防止回灌堵塞问题,相比单一供热模式下需要专门对回灌井进行防堵塞洗井养护,节约了成本。

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地下冷热蓄能装置

Publication No.: CN111271886A 12/06/2020

Applicant:

山东博瑞宇能源设备有限公司

Absstract of: CN111271886A

本发明提供了一种地下冷热蓄能装置,包括分别位于地面上的第一输送管和第二输送管,和连接在两管上的至少一个冷热蓄能单元,及驱动泵;该冷热蓄能单元还包括钻设在地面上的井孔,井孔内设有隔水层,和顶端连通在第一输送管上并伸入井孔内的保温管,以及环保温管的周向布置的多个导热管,且各导热管的底端与保温管的底端相连通,各导热管的顶端与第二输送管相连通,在井孔的内壁面和保温管及各导热管之间填充有蓄能体。本发明所述的地下冷热蓄能装置,通过设置多个导热管,能够提高其内流通的流体与蓄能体间的交换效率,并通过设置保温管能够阻止其内流通的流体与蓄能体进行热交换,从而实现流体升温和降温的分离,大大提高能源的利用效率。

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PASSIVE HOUSE SYSTEM FOR FARM PRODUCTS CULTIVATION

Publication No.: KR20200067450A 12/06/2020

Applicant:

한국기술교육대학교산학협력단

Absstract of: KR20200067450A

본 발명은 작물 재배가 가능한 패시브 하우스 시스템에 대한 것으로써, 패시브 하우스 내에 작물을 재배할 수 있도록 패시브 하우스 내로 유입되는 공기의 온도, 순서 내지 압력을 상이하게 설정하고 상호 열교환시키도록 함으로써 거주공간과 재배공간의 목적을 모두 달성할 수 있도록 구성된다.

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天然气水合物开采井结构

Publication No.: CN111271035A 12/06/2020

Applicant:

中国石油大学(华东)古德梅斯公司中集海洋工程研究院有限公司

Absstract of: CN111271035A

本发明涉及天然气生产领域,公开了一种天然气水合物开采井结构,包括:天然气生产井(12);注入井(4),所述注入井(4)能够延伸到地热层并能够注入携热流体;加热水平井(7),加热水平井(7)能够设置在地热层(6)中,加热水平井(7)连接于注入井(4);水合物开采水平井(10),水合物开采水平井(10)能够设置在浅层水合物赋存区(9),水合物开采水平井(10)连接于加热水平井(7)和天然气生产井(12)。通过上述技术方案,可以利用地热层中的热量来分解浅层水合物赋存区中的天然气水合物,使得分解的天然气进入水合物开采水平井并进入天然气生产井中,节省了能量支出,实现天然气水合物的快速、稳定开采。

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GROUNDWATER ENHANCED GEOTHERMAL HEAT PUMP

Publication No.: WO2020117946A1 11/06/2020

Applicant:

UNIV MINNESOTA [US]

Absstract of: WO2020117946A1

A geothermal heat pump system (100) includes a main heat exchanger (140), a borehole (104) that penetrates an aquifer (110), and a ground loop (102). The main heat exchanger is configured to exchange heat between a ground loop flow (122) and a heat distribution system (144). The ground loop includes a groundwater heat exchanger (120), an input pipe (126A) and an output pipe (126B). The groundwater heat exchanger is contained within the borehole and exposed to a groundwater flow (132) within the aquifer. The input pipe is configured to deliver the ground loop flow from the main heat exchanger to the groundwater heat exchanger. The output pipe is configured to deliver the ground loop flow from the groundwater heat exchanger to the main heat exchanger. Heat exchange occurs between the ground loop flow within the groundwater heat exchanger and the groundwater flow.

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GEOTHERMAL SYSTEM USING SINGLE WATER SUPPLY SYSTEM FOR HEATING AND COOLING SMART FARM AND BUILDING, AND METHOD FOR CONSTRUCTING GEOTHERMAL SYSTEM

Publication No.: WO2020116854A1 11/06/2020

Applicant:

G&G TECH CO LTD [KR]

KR_101992308_B1

Absstract of: WO2020116854A1

The present invention relates to a geothermal system using a single water supply system for heating and cooling a smart farm and a building, and a method for constructing the geothermal system, and the purpose of the present invention is to operate one pump even for a large geothermal capacity by configuring a plurality of geothermal holes and a single water supply facility (a water supply well or water supply geothermal hole), connecting the geothermal holes and the water supply facility to collect underground water in the water supply facility, and then supplying the underground water to a heat pump. The geothermal system using a single water supply system for heating and cooling a smart farm and a building, according to the present invention, comprises: at least two geothermal holes (1) formed in the ground; a return water circulation tube (10) for returning underground water of the geothermal holes; a water collection and supply well (20) for collecting and then supplying the underground water returned by the return water circulation tube; at least one heat pump (30) for generating heat for cooling and heating, by using, as a heat source, the heat of the underground water supplied by the water collection and supply well; and a supply tube (40) which is an underground water supply means for supplying, to the geothermal holes, the underground water that supplied heat to the heat pump.

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Multilevel deep well cooling and geothermal utilization system and process

Publication No.: AU2019359836A1 11/06/2020

Applicant:

UNIV CHINA MINING [CN]

WO_2020077967_PA

Absstract of: AU2019359836A1

A multilevel deep well cooling and geothermal utilization system and process. The system comprises a deep well heat harnessing system (1), a shallow part heat-exchanging system (2), and a high-temperature water lifting system (3). The deep well heat harnessing system (1) comprises a heat absorbing pipe (5), a thermally-conductive fluid lifting pipe (6-2), a thermally-conductive fluid lowering pipe (6-1), temperature sensors (7-1 and 7-2), and a water pump (9). The shallow part heat-exchanging system comprises a heat-dissipating pipe (11), a heat-storing water pool (10), a water intake pump (12-1), a water intake valve (13-1), a temperature sensor (7-3) and a liquid level meter (14). The high-temperature water lifting system comprises a water discharging pump (12-2), a flowmeter (8-2), a water discharging valve (13-2), and a high-temperature water lifting pipe (15). The system is structurally simple, can be used for an extended time, utilizes multiple levels of mine shafts for continuous cooling, provides significant effects, a broad cooling range, a high geothermal utilization rate, and a low unit energy consumption, effectively solves the problem of overheating of a deep well coal-mining face, and provides a comfortable working environment for underground workers.

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PROCESS FOR IMPROVING HEAT PRODUCTION CAPACITY OF GEOTHERMAL WELL

Publication No.: WO2020113914A1 11/06/2020

Applicant:

TIAN ZHENLIN [CN]

CN_109403917_A

Absstract of: WO2020113914A1

A process for improving the heat production capacity of a geothermal well. The process improves the capacity of leading geothermal energy in the rock stratum into a geothermal well by using a heat conduction well cementing technology and an enhanced conductivity fracturing technology, and achieves highly-efficient heat taking and heat exchange utilization by using a spiral plate type condensing section gravity heat pipe heat exchanger. The specific process procedures are as follows: after completing drilling a geothermal well and casing a sleeve pipe (2), carrying out the heat conduction well cementing, that is, injecting thermal insulation cement slurry in a stratum low temperature section, and injecting heat conduction cement slurry into a stratum high temperature section to complete well cementing; after solidification of the heat insulation cement slurry and the heat conduction cement slurry of the well cementing, carrying out segmented perforation and fracturing in the sleeve pipe (2) of the stratum high temperature section, producing cracks in the high temperature rock stratum, and filling the cracks with a heat conduction material to form a heat guiding belt (7) extending from the sleeve pipe (2) to the rock stratum; and finally, mounting a condensing section of the gravity heat pipe heat exchanger (8) connected to the sleeve pipe (2) on the ground to finally form a high-yield geothermal well system in which quick heat transfer in the rock stratum and highly-efficient

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METHOD AND SYSTEM FOR RECYCLING WELLS FOR ENERGY PRODUCTION IN A GEOTHERMAL ENVIRONMENT

Publication No.: JP2020516836A 11/06/2020

Applicant:

エバー・テクノロジーズ・インコーポレーテッド

AR_113098_A1

Absstract of: US2018291880A1

A method and apparatus for recycling unused or suspended wells and areas with predetermined suitability for well installation. In one embodiment, existing unused well sites are repurposed for contact in or adjacent a geothermal zone. Drilling extends horizontally in direct contact with the geothermal zone for heat transfer and subsequently terminates at a newly drilled well. The heated working liquid within the sealed annulus is cooled within a sealed top loop at or below the surface and recirculated for further heat transfer. The closed loop is continuous above and below the geothermal formation and can cluster several such arrangements and also consolidate clusters in a drilling field of unused wells. The loop may be incorporated in areas with predetermined suitability (greenfield) for well installation.

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GEOTHERMAL ENERGY EXTRACTION SUBTERRANEAN SYSTEM

Publication No.: RU2018141341A 10/06/2020

Applicant:

ВеллтекОйлфилдСолюшнсАГ

MX_2018013007_A

Absstract of: EP3244002A1

The present invention relates to ageothermal energy extraction subterranean system for extracting heat from a subterranean formation, comprising an injection well comprising a first well tubular metal structure arranged in a first borehole providing a first annulus therebetween and extending from surface into the subterranean formation and being configured to inject a working fluid out through a first injection opening into a production area defined in the subterranean formation and thereby generating a heated working fluid, and a first production well comprising a second well tubular metal structure arranged in a second borehole providing a second annulus therebetween and extending from surface into the subterranean formation into the production area and extracting the heated working fluid through a first production opening, wherein the first well tubular metal structure of the injection well comprises a first annular barrier and a second annular barrier configured to expand in the first annulus to isolate a production zone in the production area, each annular barrier comprising a tubular metal part for mounting as part of the first well tubular structure, the tubular metal part having a first expansion opening and an outer face, an expandable metal sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing a wall of the borehole, each end of the expandable metal sleeve being connected with the tubular metal part

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一种具有存储地热能功能的桥梁用桩基装置

Publication No.: CN111254919A 09/06/2020

Applicant:

嘉兴前瞻文化传播有限公司

Absstract of: CN111254919A

本发明公开了一种具有存储地热能功能的桥梁用桩基装置,包括桩基主体和桥梁桩,所述桩基主体的一侧设有警报器,且警报器的下方设有横杆,所述警报器的一侧设有桩基上部结构,且桩基上部结构的下端设有桥梁桩基承台。本发明所述的一种具有存储地热能功能的桥梁用桩基装置,设有防腐蚀涂层、活性炭滤网、横梁和警报器,能够在设备在长时间使用后,防止表面出现腐蚀生锈现象,保证设备正常工作,还能过滤地热能产生的一部分有害物质,通过警报器能够在有害物质输出量过多时响起,给人们警示,通过横梁,使桩基更加稳定,从而保证人们的安全,适用不同工作状况,带来更好的使用前景。

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基于土壤岩石交替出现地层的地源热泵地埋管施工方法

Nº publicación: CN111238085A 05/06/2020

Applicant:

中铁十二局集团建筑安装工程有限公司中铁十二局集团有限公司东南大学

Absstract of: CN111238085A

本发明公开了一种基于土壤岩石交替出现地层的地源热泵地埋管施工工艺方法,包括:S1.场地测量,放线、定位及循环系统调整;S2.钻机就位;S3.开孔进行初步测试;S4.成孔工艺;S5.垂直地埋管试压;S6.安装垂直地埋管;S7.开泥浆池;S8.回填。该地源热泵钻孔施工工艺,采用潜孔锤套管跟管钻进的钻孔方式可以在松软的地层中进行钻孔同时也能对较为坚硬的岩层进行钻孔,在不同硬度的土壤与岩层中均可进行施工,施工过程中不需要更换钻机,缩短了施工周期,节约了成孔成本。同时将在土壤与岩石交替出现地层中钻机会遇到的困难整合化,并给出相应的解决措施,保证后续施工操作具有参考价值。

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