US20190186789A1 - Borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source - Google Patents

Borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source Download PDF

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Publication number
US20190186789A1
US20190186789A1 US16/301,048 US201716301048A US2019186789A1 US 20190186789 A1 US20190186789 A1 US 20190186789A1 US 201716301048 A US201716301048 A US 201716301048A US 2019186789 A1 US2019186789 A1 US 2019186789A1
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Prior art keywords
heat storage
heat
tube
temperature
seasonal
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Abandoned
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US16/301,048
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English (en)
Inventor
Ik-Ro AHN
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KOREA DISTRICT HEATING ENGINEERING Co Ltd
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KOREA DISTRICT HEATING ENGINEERING Co Ltd
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Assigned to KOREA DISTRICT HEATING ENGINEERING CO., LTD. reassignment KOREA DISTRICT HEATING ENGINEERING CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: AHN, Ik-Ro
Publication of US20190186789A1 publication Critical patent/US20190186789A1/en
Abandoned legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F24T10/13—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes
    • F24T10/15—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes using bent tubes; using tubes assembled with connectors or with return headers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F28D20/0043—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material specially adapted for long-term heat storage; Underground tanks; Floating reservoirs; Pools; Ponds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T2010/50—Component parts, details or accessories
    • F24T2010/56—Control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0004—Particular heat storage apparatus
    • F28D2020/0013—Particular heat storage apparatus the heat storage material being enclosed in elements attached to or integral with heat exchange conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • F28D2020/0082—Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the present invention relates to a borehole-type seasonal heat storage system and, more particularly, to a borehole-type seasonal heat storage system capable of selecting a heat storage space according to a supply temperature of a heat source, wherein a first heat storage tube member is formed to comprise a supply tube and a recovery tube, which are formed in ring types, respectively, and to have a U-shaped vertical tube connected to the bottom surface thereof such that the same is inserted into a borehole; an n th heat storage tube member is formed to have a supply tube and a recovery tube, which have diameters larger than those of the supply tube and the recovery tube of the first heat storage tube member, respectively; the n th heat storage tube member is arranged outside the first heat storage tube member at an appropriate interval, thereby forming a seasonal heat storage body; the supply temperature of a heat source flowing into a main supply tube and the underground temperature of each part of the seasonal heat storage body are measured; and, according to the supply temperature of the heat source, heat is supplied to the first heat storage tube member or the n
  • New & renewable energy (including geothermal heat, sunlight, wind power, tidal power, wave power, biodiesel, biofuel, biogas, waste, etc.) in OECD countries has been remarkably growing up by an annual rate of 2.5% over the last 40 years.
  • new & renewable energy in OECD countries grew up from 1.6 billion toe in 1971 to 4.4 billion toe in 2012, recording high growth by an annual rate of 2.8% during this period(as for sunlight and wind power, increased by an annual rate of 18.8% in the same period as compared to other energy source). This is caused by policy enforcement of energy expansion like sunlight and wind power of corresponding countries.
  • nations have been establishing cooperative system for reducing fossil fuel energy around the world and research for improving technology as International Energy Associates (IEA) business has been actively ongoing.
  • IEEE International Energy Associates
  • Influence on environmental regulations is insignificant except few new & renewable energy like wind power, tidal power, etc., and nuclear energy and firepower have effect on surrounding situation.
  • solar heat, sunlight and fuel cells are easy to be installed to buildings and influence on environmental regulations is relatively small.
  • housing support business aims to supply new & renewable energy up to about 10% of the housing gradually by 2020, currently supplying sunlight, solar heat, fuel cells, geothermal heat, etc., to 1 million households of about 12.5 million households.
  • Main technologies applied to a solar heat system are categorized into a solar heat collecting technology, a solar heat storage technology, and a solar heat application technology.
  • a seasonal heat storage system is applied as a solar heat storage technology.
  • solar heat block heating or solar heat district heating refers to a solar heat system in a series of centralized heat-supply types for heat storing and supplying stored solar heat from a center by linking a solar collector, distributed or intensively installed in complex (roof of building or other spaces installable) over a certain size, in one system and connecting to a large-scale long-term heat storage system, a seasonal heat storage body.
  • Size may be variously changed from small-size complex to district heating, and such solar heat block heating system generally requires the large-scale midlong-term seasonal heat storage system in which solar heat, remaining during from spring with low heat load to fall, is stored and utilized when needed.
  • the solar heat block heating system may be complexly configured not only to existing heat facilities, but to other new & renewable heating systems such as geothermal heat pumps, biofuels, wood pallets, waste energy, etc. And, due to supply of whole heat load with new & renewable energy only, it enables to build with strengths of new & renewable energy and make up for demerits, thereby maximizing the utilization of natural energy such as solar heat.
  • such seasonal heat storage system is largely divided into four types, i.e., as illustrated in FIG. 1 , a tank type of laying a tank together under the ground, a pit type of forming a pit on rock formation and injecting heat storage materials to the inside of pit, a borehole type of laying a U-shaped tube under the ground vertically, and an aquifer type of digging two tube wells in an aquifer, drawing in underground water in one spot and injecting to another spot.
  • the borehole type lays a tube under the ground vertically for forming a seasonal heat storage body, in which heat flows into a center and goes out in all directions when viewed from above.
  • the object of the present invention is to provide a borehole-type seasonal heat storage system and, more particularly, to a borehole-type seasonal heat storage system capable of selecting a heat storage space according to a supply temperature of a heat source, wherein a first heat storage tube member is formed to comprise a supply tube and a recovery tube, which are formed in ring types, respectively, and to have a U-shaped vertical tube connected to the bottom surface thereof such that the same is inserted into a borehole; an n th heat storage tube member is formed to have a supply tube and a recovery tube, which have diameters larger than those of the supply tube and the recovery tube of the first heat storage tube member, respectively; the n th heat storage tube member is arranged outside the first heat storage tube member at an appropriate interval, thereby forming a seasonal heat storage body; the supply temperature of a heat source flowing into a main supply tube and the underground temperature of each part of the seasonal heat storage body are measured; and, according to the supply temperature of the heat source, heat is supplied to the first heat
  • the present invention is characterized by a borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source, comprising: a main supply tube for being supplied with heat from heat source; a main recovery tube for recovering low-temperature heat media to heat source after delivering heat under the ground; a seasonal heat storage body including a heat storage tube member which consists of a partially-cut ring-shaped supply tube, a recovery tube formed in a pair in parallel at a side of the supply tube, and a plurality of U-shaped vertical tubes whose one end is connected to the bottom surface of the supply tube and another end is connected to the bottom surface of the recovery tube, thereby each being inserted to boreholes, wherein there are a plurality of heat storage tube members, installed, whose diameter expands toward a low temperature part outside based on a high temperature part, a center part, and each of the supply tube and the recovery tube is connected to the main supply tube and the main recovery tube; a first temperature sensor, installed in the main supply tube, for
  • the heat storage tube member of the seasonal heat storage body forms the vertical tubes of equal length, or shortens as going from the low temperature part to the high temperature part.
  • the heat storage body comprises a tank or a pit in the high temperature part.
  • the vertical tubes of the heat storage tube member in the seasonal heat storage body are formed in a zigzag in the tank or the pit.
  • the controller controls opening and closing of the solenoid valve part for heat radiation throughout the heat storage tube member of the seasonal heat storage body, which corresponds to target temperature of heat radiation, by receiving underground temperature from the second temperature sensor parts upon heat radiation.
  • a borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source of the present invention, as constituted above, it enables to store low-temperature heat, improve system efficiency as compared to an existing method for storing heat above a certain temperature only because output may be dramatically changed depending on weather condition as for solar heat, output desired temperature when using heat, and increase the amount of the stored heat as for temperature-changing heat source.
  • FIG. 1 is a drawing showing types and constitutions of seasonal heat storage systems.
  • FIG. 2 is a plane view showing a borehole type among seasonal heat storage systems.
  • FIG. 3 is a schematic diagram showing the constitution of a borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source according to embodiment of the present invention.
  • FIG. 4 is a plane view showing the constitution of a heat storage tube member of FIG. 3 .
  • FIG. 5 is a partial perspective view showing the partial constitutions of the heat storage tube member of FIG. 3 .
  • FIGS. 6 to 8 are schematic diagrams showing the constitutions of the borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source according to other embodiments of the present invention.
  • FIG. 3 is a schematic diagram showing the constitution of a borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source according to embodiment of the present invention
  • FIG. 4 is a plane view showing the constitution of a heat storage tube member of FIG. 3
  • FIG. 5 is a partial perspective view showing the partial constitutions of the heat storage tube member of FIG. 3 .
  • a borehole-type seasonal heat storage system( 1 ) capable of selecting heat storage space according to supply temperature of heat source according to embodiment of the present invention consists of a main supply tube( 10 ), a main recovery tube( 20 ), a seasonal heat storage body( 30 ), a first temperature sensor( 40 ), second temperature sensor parts( 50 ), a solenoid valve part( 60 ) and a controller( 70 ).
  • the main supply tube( 10 ) is provided with heat in a solar collector(not illustrated), for example.
  • the main recovery tube( 20 ) recovers heat media, whose temperature falls after storing heat in the seasonal heat storage body( 30 ), to the solar collector(not illustrated).
  • the seasonal heat storage body( 30 ) is perforated with a plurality of boreholes( 31 ) under the ground and stores heat from heat source by installing a heat storage tube member( 33 ).
  • the heat storage tube member( 33 ) consists of: a partially-cut ring-shaped supply tube( 33 a ); a recovery tube( 33 b ) formed in a pair in parallel at a side of the supply tube( 33 a ); and a plurality of U-shaped vertical tubes( 33 c ) whose one end is connected to the bottom surface of the supply tube( 33 a ) and another end is connected to the bottom surface of the recovery tube( 33 b ), thereby each being inserted to boreholes( 31 ), wherein there are a plurality of members of heat storage tubes( 33 ), installed, whose diameter expands toward a low temperature part outside based on a high temperature part, a center part.
  • each heat storage tube member( 33 ) is connected to the main supply tube( 10 ) and the main recovery tube( 20 ); vertical tubes( 33 c ) of the member of the heat storage tube( 33 ) are equal in length as illustrated in FIG. 3 ; and four types(a, b, c, d) are illustrated in embodiment of the present invention.
  • the recovery tube( 33 b ) of each member of the heat storage tube( 33 ) is connected to the supply tubee( 33 a ) of the heat storage tube member( 33 ), positioned to adjacent outside and then, heat is supplied from the supply tube( 33 a ) of any heat storage tube member( 33 ) to the recovery tube( 33 b ). Then, heat goes to the recovery tube( 33 b ) after passing to the supply tube( 33 a ) of the member of the heat storage tube( 33 ), located outside, again.
  • boreholes( 41 ) are formed in several meters of gap, and the length of the vertical tubes( 33 c ) is the same as the diameter of the seasonal heat storage body( 30 ) for minimizing heat loss(the rounder the shape is, the more heat loss is minimized).
  • the first temperature sensor( 40 ) measures supply temperature of heat source.
  • each sensor of the second temperature sensor parts( 50 ) is placed to the bottom surface of the center of boreholes, and at least more than one sensor is formed to each borehole( 31 ) to which each heat storage tube member( 33 ) is installed.
  • each of a plurality of solenoid valves(V 1 ⁇ V 9 ) of the solenoid valve part( 60 ) is opened and closed by the controller( 70 ), thereby being installed between the main supply tube( 10 ) and each supply tube( 33 a ) of the seasonal heat storage tube( 30 ) and between the main recovery tube( 20 ) and each recovery tube( 33 b ) of the seasonal heat storage body( 30 ) for selectively supplying heat to each heat storage tube member( 33 ).
  • the controller( 70 ) controls opening and closing of the solenoid valve part( 60 ) by receiving supply temperature of heat source and underground temperature from the first temperature sensor( 40 ) and the second temperature sensor parts( 50 ) upon storing heat and then, by supplying and storing heat of the main supply tube( 10 ) to the heat storage tube member( 33 ) of the seasonal heat storage body( 30 ), which corresponds to the supply temperature of heat source.
  • the controller( 70 ) controls opening and closing of the solenoid valve part( 60 ) for heat radiation throughout the heat storage tube member( 33 ) of the seasonal heat storage body( 30 ), which corresponds to target temperature of heat radiation, by receiving underground temperature from the second temperature sensor parts( 50 ) upon heat radiation.
  • the borehole-type seasonal heat storage system( 1 ) capable of selecting heat storage space according to supply temperature of heat source according to other embodiment of the present invention may form vertical tubes( 33 c ) in different length, or form a tank(T) or a pit(P), as illustrated in FIGS. 6 to 8 .
  • FIGS. 6 to 8 are schematic diagrams showing the constitutions of the borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source according to other embodiments of the present invention.
  • the vertical tubes( 33 c ) of the heat storage tube member( 33 ) may shorten from the low temperature part to the high temperature part, wherein it is possible to minimize heat loss by focusing high-temperature heat on a center part if the high temperature part becomes smaller in length.
  • the seasonal heat storage body( 30 ) may include the tank(T) or the pit(P) in the high temperature part.
  • the vertical tubes( 33 c ) of the heat storage tube member( 33 ) in the seasonal heat storage body( 30 ) are formed in a zigzag in the tank(T) or the pit(P) for maximizing heat exchange performance.
  • the controller( 70 ) receives supply temperature of heat source and underground temperature from the first temperature sensor( 40 ) and the second temperature sensor parts( 50 ).
  • the controller( 70 ) closes solenoid valves(V 7 , V 8 , V 9 ) of the solenoid valve part( 60 ) for making heat flow gradually from a center of the seasonal heat storage body( 30 ) to an outer part and opens the rest, thereby supplying heat to a of the seasonal heat storage body( 33 ), which is a center, for heating and then, discharging heat while heating followed by b, c, d.
  • the controller( 70 ) closes solenoid valves(V 3 , V 4 , V 8 , V 9 ) of the solenoid valve part( 60 ) and opens the rest, thereby supplying heat to b of the seasonal heat storage body( 33 ) for heating and then, discharging heat while heating followed by c, d.
  • the controller( 70 ) closes solenoid valves(V 2 , V 5 , V 9 ) of the solenoid valve part( 60 ) and opens the rest, thereby supplying heat to c of the seasonal heat storage body( 33 ) for heating and then, discharging heat while heating followed by d.
  • the controller( 70 ) closes solenoid valves(V 1 , V 6 ) of the solenoid valve part( 60 ) and opens the rest, thereby supplying heat to d only of the seasonal heat storage body( 33 ) for heating and then, discharging heat.
  • the controller( 70 ) controls in a manner of the above method by receiving underground temperature from the second temperature sensor parts( 50 ) and comparing target temperature of heat radiation and underground temperature.
  • flow direction(not illustrated) of heat media is contrary to flow which is illustrated in FIGS. 3, 4, 6, 7 and 8 .
  • main supply tube 20 main recovery tube 30: seasonal heat storage body 31: boreholes 33: heat storage tube member 33a: supply tube 33b: recovery tube 33c: vertical tubes 40: first temperature sensor 50: second temperature sensor parts 60: solenoid valve part 70: controller P: pit T: tank

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Development (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
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  • Road Paving Structures (AREA)
  • Air Conditioning Control Device (AREA)
  • Other Air-Conditioning Systems (AREA)
US16/301,048 2016-06-15 2017-06-14 Borehole-type seasonal heat storage system capable of selecting heat storage space according to supply temperature of heat source Abandoned US20190186789A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2016-0074352 2016-06-15
KR1020160074352A KR101670007B1 (ko) 2016-06-15 2016-06-15 열원의 공급온도에 따라 축열 공간의 선택이 가능한 보어홀 방식의 계간 축열 시스템
PCT/KR2017/006169 WO2017217751A1 (ko) 2016-06-15 2017-06-14 열원의 공급온도에 따라 축열 공간의 선택이 가능한 보어홀 방식의 계간 축열 시스템

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US20190186789A1 true US20190186789A1 (en) 2019-06-20

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US (1) US20190186789A1 (ru)
EP (1) EP3473960A4 (ru)
KR (1) KR101670007B1 (ru)
CN (1) CN107771268B (ru)
CA (1) CA2988496C (ru)
RU (1) RU2018145886A (ru)
WO (1) WO2017217751A1 (ru)

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KR20190030844A (ko) 2017-09-15 2019-03-25 한국에너지기술연구원 지중 계간 축열시스템
KR102042034B1 (ko) * 2017-11-10 2019-11-08 고려대학교 산학협력단 유로 제어형 계간 축열 시스템
KR20190059644A (ko) 2017-11-23 2019-05-31 한국과학기술연구원 지중 열교환기
KR20190129193A (ko) * 2018-05-10 2019-11-20 안대희 태양열을 이용한 도로 결빙 방지시스템
CN109083633B (zh) * 2018-06-22 2022-03-11 山西元森科技有限公司 一种矸石山余热利用方法
KR102152864B1 (ko) * 2018-11-12 2020-10-26 지에스건설 주식회사 축열조 및 열공급 시스템
CA3125307A1 (en) * 2018-12-31 2020-07-09 Eaposys Sa Geothermal heat exchange installation and method
KR20200095647A (ko) 2019-02-01 2020-08-11 주식회사 서영엔지니어링 지중케이슨 및 지열교환장치를 이용한 계절간 냉온열 에너지 저장시스템
ES2812278A1 (es) * 2019-09-16 2021-03-16 Diaz Serrano Jose Miguel Procedimiento mejorado para acumulación térmica estacional en el subsuelo
KR102362834B1 (ko) 2020-05-18 2022-02-15 지엔원에너지(주) 축열과 방열이 동시에 가능한 양 방향 계간 축열 시스템
KR102210405B1 (ko) 2020-06-30 2021-02-02 이병호 축열과 방열기능을 갖는 다기능 단기 계간 축열시스템 및 그 운용 방법
KR102265521B1 (ko) * 2020-10-27 2021-06-15 한국산업기술시험원 바이오가스화 시설에서의 열의 이용 및 축열 시스템
PL437388A1 (pl) 2021-03-24 2022-09-26 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Układ urządzeń do akumulacji ciepła nadmiarowego w naturalnej warstwie wodoprzepuszczalnej oraz do jego odzysku
KR102645264B1 (ko) * 2021-11-11 2024-03-11 한국에너지기술연구원 수평방식의 하이브리드 지중열교환기 및 그의 매설방법
PL441712A1 (pl) * 2022-07-12 2024-01-15 Bogdan Wera Magazyn energii cieplnej oraz sposób magazynowania energii cieplnej

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EP3473960A1 (en) 2019-04-24
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