WO2020231299A1 - Procédé d'accumulation souterraine de chaleur ou de froid - Google Patents

Procédé d'accumulation souterraine de chaleur ou de froid Download PDF

Info

Publication number
WO2020231299A1
WO2020231299A1 PCT/RU2020/050091 RU2020050091W WO2020231299A1 WO 2020231299 A1 WO2020231299 A1 WO 2020231299A1 RU 2020050091 W RU2020050091 W RU 2020050091W WO 2020231299 A1 WO2020231299 A1 WO 2020231299A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
soil
volume
energy
cold
Prior art date
Application number
PCT/RU2020/050091
Other languages
English (en)
Russian (ru)
Inventor
Кирилл Олегович ГРЕШ
Original Assignee
Кирилл Олегович ГРЕШ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Кирилл Олегович ГРЕШ filed Critical Кирилл Олегович ГРЕШ
Publication of WO2020231299A1 publication Critical patent/WO2020231299A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
    • F24F3/08—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with separate supply and return lines for hot and cold heat-exchange fluids i.e. so-called "4-conduit" system

Definitions

  • the invention relates to systems for seasonal or daily heat accumulation in the ground of an underground location and its preferential use, subsequently, for the purposes of heat supply and / or air conditioning of premises.
  • the claimed result of intellectual activity is an invention designed to use excess seasonal heat and cold, and then their subsequent use in opposite seasons with a lack of heat or cold, respectively, for heat supply or air conditioning / cooling in rooms located mainly in climatic zones with a temperate climate.
  • the borehole heat supply system with underground heat and water storage contains a water source connected to the feed tank, a water conduit communicating with it, the lower end of which is connected to the drainage zone, a hydraulic turbine installed in the water conduit, kinematically connected to a disk-type vortex heat generator located below, the bodies of which are made with the possibility of fixing and their perception of the reactive moment by the supporting element under the dynamic water level, the head of which is sufficient to generate heat energy.
  • a water conduit is a well
  • a water source is a surface water body, in the zone of which a well is drilled or an overdrilled and connected with it underground aquifer or zones, or a surface water body with an underground zone or zones of communication between the feed tank and the water conduit, equipped with water flow control devices, for example, regulators - valves, the interval of the well to the installation site of the vortex heat generator was drilled using the vertical method.
  • the downhole system also contains a heat and water consumer with heating networks with inlet and outlet pipelines.
  • a drainage zone is an absorbing interval of natural or artificial origin, for example, a reservoir formed by hydraulic fracturing.
  • It additionally includes a production well, which is re-drilled, for example, a reservoir formed by hydraulic fracturing, communicated with it, and in conditions when the downstream absorbing interval does not intersect with the vertical well path, the well interval below the installation site of the hydro-thermal unit is drilled directed up to intersection with the drain zone.
  • the inlet pipeline of the heat and water consumer is connected to the production well, and its outlet pipeline is connected to the well (see RU 2371638 C1, publ. 27.10.2009).
  • Underground heat accumulator which includes a screen-volume located in the underground aquifer, formed using a plurality of plugging wells drilled from the surface or from a mine working, and the line connecting the points of wells on the earth's surface is closed, and the underground aquifer interval, and by plugging or injection methods, they are plugged along the length of the aquifer, and also partially, including its top and bottom, while the distance between the wells is selected to create a sealed surface of the heat accumulator, corresponding to a certain scheme, for example, with the condition of overlap of plugged near-well volumes when tamponing; a well for charging it with hot water, drilled from the surface or from a mine working to an underground aquifer and communicating it with a heat source, and a well for communicating it with a heat consumer, and the well channels are equipped with stimulators for water movement in them and the aquifer, for example, pumps to ensure movement coolant during its charging and heat removal of hot water from it,
  • the closest analogue from the prior art is a known heat pump - “a device for transferring thermal energy from a source of low-grade thermal energy (with a low temperature) to a consumer (heat carrier) with a higher temperature.
  • a heat pump is similar to a chiller. However, if in a refrigerating machine the main goal is to produce cold by extracting heat from any volume by an evaporator, and the condenser releases heat into the environment, then in a heat pump the picture is the opposite.
  • the condenser is a heat exchanger that generates heat for the consumer
  • the evaporator is a heat exchanger that utilizes low-grade heat: secondary energy resources and (or) unconventional renewable energy sources.
  • the International Energy Agency predicts heat pumps will provide 10% of heating energy needs in OECD countries by 2020 and 30% by 2050. ”
  • the minimum distance between the collector pipes recommended by manufacturers is 1.2 ... 1.5 meters. No drilling is required here, but more extensive excavation is required over a large area and the pipeline is more at risk of damage. The efficiency is the same as when extracting heat from a well. No special soil preparation is required. But it is advisable to use an area with wet soil, if it is dry, the contour must be made longer.
  • the objective of the claimed result of intellectual activity is to increase the efficiency of heating and air conditioning systems.
  • the technical result is the saving of non-renewable energy resources and an increase in the transformation ratio of the heat pump by increasing or decreasing the energy level in the ground accumulators of heat and cold.
  • a battery is understood as a device for storing energy for the purpose of its subsequent use.
  • hydraulic accumulators inertial accumulators, pneumatic accumulators, heat accumulators and electric accumulators are distinguished (“Polytechnic dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet encyclopedia”, 1989. - 656 p .; page 20).
  • Soil is understood as rocks that occur within the Earth's weathering zone. It is a multi-component system that changes over time and is used as a base or material on which buildings and engineering structures are erected. Soils are subdivided into rocky and non-rocky. Rocky soils include rigid structural bonds. By origin, they can be igneous, metamorphic and sedimentary. Soils that do not have rigid structural bonds are non-rocky, which are divided into coarse-detrital (contain more than 50% of particles over 2 mm in mass), sandy, clayey (“Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M. : “Soviet Encyclopedia”, 1989. - 656 p .; p. 138-139).
  • a continuous medium is understood as a medium that can be considered as continuous, neglecting its discrete atomic-molecular structure ("Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet Encyclopedia", 1989. - 656 p .; p. .498).
  • the center of gravity is understood as a point that is invariably associated with a solid body and is the center of parallel gravity forces acting on all particles of this body.
  • the center of gravity of the body coincides with the center of mass of the body ("Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet Encyclopedia", 1989. - 656 p .; p. 589; in the same place “center of mass” and "center parallel forces ”).
  • Waterproofing materials are understood as materials for protecting building structures, buildings and structures from the harmful effects of water and chemical aggressive aqueous solutions (acids, alkalis, etc.). According to their purpose, waterproofing materials are divided into anti-filtration, anti-corrosion and sealing materials, according to the type of base material - into bituminous, tar, polymer, mineral and metal ("Polytechnic Dictionary” edited by A.Yu. Ishlinsky. Moscow: “Soviet Encyclopedia", 1989 - 656 p .; p. 120).
  • Thermal insulating materials are understood as materials with low thermal conductivity.
  • the main characteristic of thermal insulation materials is the coefficient of thermal conductivity, usually in the range of 0.02-0.2 W / (m K). Heat insulating the ability of thermal insulation materials is due to their porous structure (porosity is usually more than 60%).
  • thermal insulation materials are divided into organic (fiberboard and peat plates, fibrolite, foam plastics, honeycomb layers, etc.) and inorganic (mineral wool, foam glass, lightweight concrete, etc.). For high-temperature thermal insulation of industrial furnaces, boilers, etc.
  • Resistance to heat transfer is understood as the value inverse to thermal conductivity and characterizing the heat-shielding properties of a structure, dimension (m 2 K) / W (see Wikipedia, https://ru.wikipedia.org/wiki/%D0%A1%D0%BE%D0% BF% D1% 80% D0% BE% D1% 82% D0% B8% D0% B2% D0% BB% D0% B5% D0% BD% D0% B8% D0% B5% D1% 82% D0% B5% D0% BF% D0% BB% D0% BE% D0% BF% D0% B5% D1% 80% D0% B5% D0% B4% D0% B0% D1% 87% D0% B5% D0% BE% D0% B3% D1% 80% D0% B0% D0% B6% D0% B4% D0% B0% D1% 8E% D1% 89% D0% B8% D1% 85% D0% BA% D 0% BE% D0% BD % D1% 81% 82% D1% 80% D1% 83% D0% BA% D1% 86% D0% B8% D1%
  • a drain is understood as an underground artificial watercourse (pipe, well, cavity) for collecting and removing groundwater and aerating the soil. Drains are distinguished by purpose (dehumidifiers, collectors), construction and materials (wood, pottery, plastic). Are laid by drainage machines ("Polytechnic dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet encyclopedia", 1989. - 656 p .; p. 163-164; in the same place “drainage of structures", “drainage machines”, “Drain pipes”).
  • a heat pipe is understood as a device capable of transmitting large thermal power at small temperature drops. It consists of a sealed pipe, partially filled with a liquid heat carrier, which evaporates at one end of the heat pipe, absorbs heat, and then condenses at the other end of the pipe, gives it away.
  • the movement of steam occurs due to the difference in saturated steam pressure in the zones of evaporation and condensation.
  • the reverse movement of the liquid is carried out either under the action of gravity or along a capillary structure (fitimo), usually located on the inner walls of the heat pipe. It is used in power engineering, space technology, etc.
  • a trench excavator is understood as a machine for digging trenches for communication cables, gas and oil pipelines, sewage pipelines, etc. By the type of working equipment, they are divided into chain with scraper working body, chain multi-bucket, rotary multi-bucket and rotary bucket-free (milling). For work in frozen soils, trench excavators are supplied with special replaceable equipment. Trench excavators are produced on pneumatic and caterpillar tracks or on the basis of a tractor with a creeper - an additional gearbox that reduces the speed of the tractor.
  • the performance of a trench excavator for example, with a trench width of 900 mm and a depth of 1100 mm, is 45 km / h (“Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet Encyclopedia”, 1989. - 656 p .; p. .543).
  • a shell is understood as a spatial structure bounded by two curved surfaces, the distance between which is small compared to the rest of its dimensions (“Polytechnic Dictionary” edited by A.Yu. Ishlinsky. Moscow: “Soviet Encyclopedia”, 1989. - 656 p. ; p. 339).
  • thermoelectric phenomena are understood as a group of physical phenomena due to the existence of a relationship between thermal and electrical processes in conductors and semiconductors.
  • the thermoelectric phenomena include the Seebeck phenomenon, the Peltier phenomenon and the Thomson phenomenon (“Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet Encyclopedia”, 1989. - 656 p.; P.530).
  • the Seebeck phenomenon is understood as the appearance of thermoelectric power in a closed electric circuit made up of series-connected dissimilar current conductors (or semiconductors), the joints of which are at different temperatures. Seebeck phenomenon is used in thermoelements ("Polytechnic Dictionary” under the editorship of A.Yu. Ishlinsky. M .: “Soviet Encyclopedia", 1989. - 656 p .; p. 178).
  • a Peltier phenomenon is understood as the release or absorption of heat at the point of contact of two substances (metals, semiconductors) when an electric current passes through the contact. When the direction of the current changes, the effect changes sign.
  • the Peltier phenomenon is used, for example, in refrigeration plants operating on semiconductors (“Polytechnic Dictionary” edited by A.Yu. Ishlinsky. M .: “Soviet Encyclopedia”, 1989. - 656 p.; P.368).
  • a finite set is understood as a set whose number of elements is finite (https://ru.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BD%D0%B5%Dl%87%D0%BD%D0% BE%
  • the technical result of the claimed invention is achieved by using a method of accumulating heat in a limited underground soil from the energy of solar radiation, energy of heat of atmospheric air, energy of artificial generation, including supplying energy to the soil for its accumulation and output for its use, mainly for heat supply, despite the fact that a solid / single volume of soil is used at least 5 cubic meters with a center of gravity located at a distance of 0.1 m to 10 m from the earth's surface, limited by a shell of waterproofing and thermal insulation with a heat transfer resistance of 0.5 (m 2 K) / W up to 250 (m 2 K) / W, while there is at least one geometric straight line that intersects with the limiting curvilinear surface of the shell in a finite set of points of at least two.
  • the volume of soil under the structure within the boundaries of the foundation can be used.
  • the volume of soil under the lawn can be used.
  • the volume of soil under the sidewalk or road surface can be used.
  • a volume of soil that is above the maximum seasonal groundwater level can be used.
  • heat pump circuits can be used to store heat for supplying or outputting energy.
  • thermoelectric circuits based on the Seebeck effect, Peltier effect or the Thomson phenomenon can be used for the purpose of storing heat for supplying or outputting energy.
  • heat pipes can be used with the installation of the evaporating part above the outside of the ground, and the condensing part in the body of the volume of the soil.
  • a method of accumulating cold in a limited underground soil from atmospheric air energy of artificial generation is used, including supplying cooling to the soil for its accumulation and output for use, mainly for conditioning purposes, while using a solid / uniform volume of soil of at least 5 cubic meters with a center of gravity located at a distance from 0.1 m to 10 m from the earth's surface, limited by a shell of waterproofing and thermal insulation with resistance to heat transfer from 0.5 (m 2 K) / W to 250 (m 2 K) / W, while there is at least one geometric straight line that intersects with the limiting curvilinear surface of the shell in a finite set of points at least two.
  • the volume of soil under the structure within the boundaries of the foundation can be used.
  • the volume of soil under the lawn can be used.
  • the volume of soil under the sidewalk or road surface can be used.
  • a volume of soil that is above the maximum seasonal groundwater level can be used.
  • heat pump circuits can be used.
  • thermoelectric circuits based on the Seebeck effect, Peltier effect or the Thomson phenomenon can be used to accumulate cold for supplying or outputting energy.
  • heat pipes in order to accumulate cold, heat pipes can be used for its implementation with the installation of a condensing part above the surface in the open air, and an evaporating part in the body of the volume of soil accumulating cold.
  • a flexible shell made of waterproofing and thermal insulation with a heat transfer resistance of 0.5 (m 2 K) / W to 250 (m 2 K) / W can be used.
  • the claimed result of intellectual activity can be implemented, for example, as follows.
  • the volume of soil with a contour is surrounded by waterproofing and thermal insulation.
  • the shell can be different, for example, flexible and enclosing the soil volume from five sides: from above and from four lateral sides.
  • a solar collector with a gas coolant along its own independent looped circuit constantly (in the daytime) heats the specified underground heat-insulated ground volume.
  • the adjustment is automatic. Since the gaseous heat carrier (for example, dried air), passing through the ground, acquires its current temperature, and then passing through the solar collector, acquires additional temperature and energy, which it then gives to the ground.
  • gaseous heat carrier for example, dried air
  • Circulation pumping of a gas coolant consumes little energy and can be carried out by small solar panels, which also automatically start to work in the daytime with sunrise.
  • the solar collector constantly accumulates the energy of solar radiation into the soil accumulator all year round due to the heat capacity of the soil and the increase in its temperature.
  • the temperature of an underground earth battery can rise up to 95 degrees Celsius. A higher temperature is unreasonable for technical safety reasons, so that atmospheric water does not boil, which can get into the ground accumulator due to abnormal damage to the waterproofing.
  • Energy storage in the ground battery can also occur with the help of heat pipes.
  • the evaporating part is located in the open air and below the level of the evaporating circuit of the heat pipe in the ground accumulator.
  • the heat pipe starts automatically when the ambient air temperature rises above the ground battery temperature. In this case, the maximum temperature of the ground accumulator will not exceed the maximum daytime temperature of the atmosphere during the warm season of the year.
  • Cold accumulation is carried out in the cold season of the year with the help of a heat pipe, with the condensing part located above the surface level in the open air, and the evaporating part in the body of the ground accumulator.
  • the heat pipe automatically begins to remove heat from the ground if its temperature exceeds the temperature of the surrounding air, and automatically stops working if the current temperature of the heat accumulator falls below the atmospheric temperature, i.e., for example, in the warm season.
  • the cold accumulated in a suitable earth battery is used for air conditioning in residential premises.
  • heat transfer (from the premises to the ground) is carried out without energy consumption / losses of the heat pump transformation.
  • Soil accumulators can be obtained by cutting narrow ditches with chain trenchers around the perimeter of the soil modules and then filling them with thermal and waterproofing insulation. From above, the ground accumulator is also covered with heat and waterproofing, for example, mats with mineral wool.
  • the ground battery On the surface of the ground battery there can be a lawn, a car park, a gazebo, flower beds, etc. In addition, the ground battery can also be placed inside the perimeter of the foundation of the structure itself.
  • the ground heat accumulator can have an annular, spiral and other shape in terms of which is dictated by the development of the land plot.
  • the shape of the insulating shell around the soil can be of the second or more order, which is determined by the number of intersections of the geometric straight line with the limiting curved surface of the shell. That is, it can be an inverted “box, parallelepiped, half-cylinder, torus, etc.
  • the lower limit is
  • the temperature delta will be 50 degrees, and 1 cubic meter of ground accumulator will accumulate 18.6 kWh of thermal energy. Based on this, for 1 square meter of heated area per season, energy will be needed from 11.6 cubic meters of underground heat accumulator.
  • energy storage in underground ground batteries can be performed using electrical circuits based on the Peltier phenomenon / effect, when the corresponding isolated soils are heated or cooled.
  • the accumulated cooling can also be removed using the Peltier effect, while the Peltier heating circuit will tend to heat the frozen soil, and, accordingly, the cooling element cools the premises more energy efficiently.
  • the claimed result of intellectual activity meets the criterion

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Road Paving Structures (AREA)

Abstract

L'invention concerne des systèmes d'accumulation saisonnière ou quotidienne de chaleur dans le sol de lieux souterrains, et son utilisation à des fins d'alimentation en chaleur. Ce procédé d'accumulation de chaleur consiste à introduire l'énergie dans le sol afin de l'y accumuler et à l'extraire en vue de son utilisation, principalement à des fins d'alimentation en chaleur; on utilise un volume plan de sol d'au moins 5 mètres cubes dont le centre de gravité se situe à une distance de 0,1 à 10 m de la surface du sol et délimité par une enveloppe faite d'une isolation hydraulique ou d'une isolation thermique ayant une résistance à la transmission de chaleur d'au moins 1,0 (m2.K)/W; on utilise au moins une droite géométrique qui entre en intersection avec la surface courbe limitatrice de l'enveloppe dans une pluralité finale de points au moins égale à deux.
PCT/RU2020/050091 2019-05-14 2020-05-07 Procédé d'accumulation souterraine de chaleur ou de froid WO2020231299A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2019114445 2019-05-14
RU2019114445A RU2717890C1 (ru) 2019-05-14 2019-05-14 Способ подземного аккумулирования тепла или холода

Publications (1)

Publication Number Publication Date
WO2020231299A1 true WO2020231299A1 (fr) 2020-11-19

Family

ID=69943368

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/RU2020/050091 WO2020231299A1 (fr) 2019-05-14 2020-05-07 Procédé d'accumulation souterraine de chaleur ou de froid

Country Status (2)

Country Link
RU (1) RU2717890C1 (fr)
WO (1) WO2020231299A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2123648C1 (ru) * 1997-10-03 1998-12-20 Общество с ограниченной ответственностью "Рютар" Способ аккумулирования холода и устройство для его реализации
RU2201565C2 (ru) * 2000-10-31 2003-03-27 Якутский научно-исследовательский институт сельского хозяйства СО РАСХН Холодильник-аккумулятор зимнего холода
US20090308566A1 (en) * 2006-07-31 2009-12-17 Pavel Simka System for collecting and delivering solar and geothermal heat energy with thermoelectric generator
RU2552975C2 (ru) * 2013-11-05 2015-06-10 Общество с ограниченной ответственностью "НПО ТЕРМЭК" Система напольного отопления (охлаждения)
CN205316550U (zh) * 2015-12-08 2016-06-15 河南雍科新能源科技有限公司 一种地埋管地源热泵跨季节蓄冷蓄热的系统装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2123648C1 (ru) * 1997-10-03 1998-12-20 Общество с ограниченной ответственностью "Рютар" Способ аккумулирования холода и устройство для его реализации
RU2201565C2 (ru) * 2000-10-31 2003-03-27 Якутский научно-исследовательский институт сельского хозяйства СО РАСХН Холодильник-аккумулятор зимнего холода
US20090308566A1 (en) * 2006-07-31 2009-12-17 Pavel Simka System for collecting and delivering solar and geothermal heat energy with thermoelectric generator
RU2552975C2 (ru) * 2013-11-05 2015-06-10 Общество с ограниченной ответственностью "НПО ТЕРМЭК" Система напольного отопления (охлаждения)
CN205316550U (zh) * 2015-12-08 2016-06-15 河南雍科新能源科技有限公司 一种地埋管地源热泵跨季节蓄冷蓄热的系统装置

Also Published As

Publication number Publication date
RU2717890C1 (ru) 2020-03-26

Similar Documents

Publication Publication Date Title
US4577679A (en) Storage systems for heat or cold including aquifers
US4024910A (en) Rock channel heat storage
CN106168418B (zh) 一种冷热电联产地下连续墙装置及其施工方法
CN106168417B (zh) 一种冷热电联产高压旋喷插芯组合桩系统及其施工方法
CA2818760A1 (fr) Systeme geothermique
Socaciu Seasonal sensible thermal energy storage solutions
WO2004013551A1 (fr) Systeme de chauffage a dilatation directe et de refroidissement de puits etancheifie
NO343262B1 (en) Solar thermal collecting and storage
KR200480326Y1 (ko) 박스형 지열교환기
Hu et al. Development of a novel vapor compression refrigeration system (VCRS) for permafrost cooling
US9593868B2 (en) Horizontal ground-coupled heat exchanger for geothermal systems
JP5389565B2 (ja) 地中熱利用空調システム
Vangkilde-Pedersen et al. Shallow geothermal energy in Denmark
RU2717890C1 (ru) Способ подземного аккумулирования тепла или холода
KR101403687B1 (ko) 지열을 이용한 냉난방 시스템용 열교환장치
CN105040744A (zh) 一种高原冻土条件下地基的保温装置及其施工方法
RU155180U1 (ru) Конструкция для термостатирования грунтов под зданиями и сооружениями
RU2683059C1 (ru) Способ извлечения и использования геотермального тепла для охлаждения грунтов вокруг тоннелей метрополитена
KR101097910B1 (ko) 적층수평형 구조의 지열교환기
WO2019000098A1 (fr) Thermosiphon rempli de liquide à une phase à circulation forcée
WO2013153284A1 (fr) Procédé et agencement pour utiliser de l'énergie
GB2493536A (en) Borehole heat exchange assembly
JP2019219159A (ja) 排湯熱再生装置、およびそれを利用した排湯熱再生システム
KR100572991B1 (ko) 저심도 수평형 지열교환기
RU123503U1 (ru) Автономная система теплоснабжения и горячего водоснабжения зданий и сооружений с использованием тепловых насосов и фундаментных свай со встроенными теплообменниками

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20806662

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20806662

Country of ref document: EP

Kind code of ref document: A1