WO2014048300A1 - Equipement de stockage et d'échange thermiques - Google Patents

Equipement de stockage et d'échange thermiques Download PDF

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Publication number
WO2014048300A1
WO2014048300A1 PCT/CN2013/084087 CN2013084087W WO2014048300A1 WO 2014048300 A1 WO2014048300 A1 WO 2014048300A1 CN 2013084087 W CN2013084087 W CN 2013084087W WO 2014048300 A1 WO2014048300 A1 WO 2014048300A1
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WO
WIPO (PCT)
Prior art keywords
heat storage
heat
heat exchange
exchange device
liquid
Prior art date
Application number
PCT/CN2013/084087
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English (en)
Chinese (zh)
Inventor
刘阳
Original Assignee
北京兆阳能源技术有限公司
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Publication date
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Publication of WO2014048300A1 publication Critical patent/WO2014048300A1/fr

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Classifications

    • 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
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/06—Materials undergoing a change of physical state when used the change of state being from liquid to solid or vice versa
    • C09K5/063—Materials absorbing or liberating heat during crystallisation; Heat storage materials
    • 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
    • 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
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the invention relates to a heat storage-heat exchange device, in particular to a heat storage-heat exchange device applied in the field of solar energy. Background technique
  • thermal storage systems are used in solar energy utilization systems.
  • the heat storage materials currently used are divided into three categories: sensible heat type, latent heat type and chemical reaction type.
  • the most widely used types are sensible heat type and latent heat type, mainly including heat transfer oil, high temperature resistant concrete and inorganic salt.
  • the heat transfer oil has high steam pressure at high temperature, high requirements for equipment pressure bearing capacity, easy to cause fire, easy to age, and expensive; high temperature resistant concrete as a heat storage material has good application prospects, safety and stability, low cost, but There is a low thermal conductivity, a large number of heat exchange pipes, a continuous decrease in temperature, and the inability to obtain high parameters. Due to the different expansion coefficients between the heat exchange pipes and the solid materials, material damage or cracks may occur after repeated heating and cooling. The heat transfer effect and the service life have adverse effects; the inorganic salt has a large latent heat of phase change, and is widely used, but it has certain corrosiveness to the container, high requirements on the material of the container, and difficulty in cost reduction.
  • the heat input and output of the heat device generally adopts a hot and cold double tank conversion device, and the molten salt pump in the device is expensive, has high energy consumption, and has a danger of freezing. Summary of the invention
  • the invention provides a heat storage-heat exchange device, which has high thermal conductivity, large heat storage, is not easy to produce cracks, has good safety and long service life, and has simple structure, convenient workshop processing, convenient transportation and on-site installation.
  • the invention provides a heat storage-heat exchange device comprising one or more arrays of heat storage-heat exchange units; each of the heat storage-heat exchange units comprises a heat storage casing, and is placed in the heat storage a heat storage material inside the casing and a heat exchange device disposed in the heat storage material; the heat storage and heat exchange unit performs heat input and output through the heat exchange device; a heat storage material, a sensible heat storage material used in combination of a liquid and a solid substance, or a phase change heat storage material which can be used for solid-liquid conversion; the material of the heat storage shell is a solid state having sensible heat storage capacity material;
  • the heat exchange device includes a heat exchange pipe penetrating through; the heat storage and heat exchange device is externally disposed with a heat insulating layer formed of a heat insulating material.
  • the phase change heat storage material is an inorganic salt, a mixture of inorganic salts, a low melting point metal or a low melting point metal alloy.
  • the phase change heat storage material has a high phase transition enthalpy, and has a good thermal expansion coefficient with the material used in the heat exchange device, and has good contact, and the heat exchange device does not have a gap for long-term use, and has a long service life. .
  • the phase change heat storage material is an inorganic salt or a mixture of inorganic salts
  • the inorganic salt is a carbonate, a nitrate, a chloride or a caustic (ie, sodium hydroxide); for example, the The phase change heat storage material may be one or a mixture of one or more of sodium carbonate, sodium nitrate, potassium nitrate, sodium chloride, and sodium hydroxide.
  • the liquid sensible heat storage material is an inorganic salt, an inorganic salt mixture, a low melting point metal, a low melting point metal alloy or a heat transfer oil; for example, the liquid sensible heat storage material may be composed of sodium nitrate 60 ⁇ Mixed salt of % and potassium nitrate 40Wt%, which has good high temperature stability, and can use sensible heat storage temperature range of 300 ° C ⁇ 550 ° C ; for example, the liquid sensible heat storage material can also It is a metal sodium, which has good heat storage and thermal conductivity.
  • the sensible heat storage material used in combination of different liquid and solid materials includes a liquid use substance and a solid substance, wherein the liquid use substance is an inorganic salt, an inorganic salt mixture, a low melting point metal, and a low melting point. Metal alloy or heat transfer oil.
  • the use of the sensible heat storage material ensures good contact between the sensible heat storage material and the heat storage shell and between the sensible heat storage material and the heat exchange device, and the heat conduction effect is good, and between the materials
  • the difference in thermal expansion coefficient is small, and does not cause destructive pressing force, which ensures the safety of the heat storage housing.
  • the material of the heat storage casing is one or a mixture of one of cement, concrete, stone, metal, glass, ceramic, and graphite.
  • the cement is graphite cement or aluminate cement
  • the concrete is high temperature resistant and corrosion resistant concrete, specifically graphite concrete
  • the metal is cast iron or cast iron alloy.
  • the inner wall of the heat storage casing is arranged with a corrosion-resistant structural layer;
  • the material of the corrosion-resistant structural layer is aluminum, stainless steel, carbon steel or graphite; the carbon steel bellows, graphite paper or carbon fiber may be specifically Prepreg.
  • the corrosion-resistant structural layer has superior corrosion resistance, and the thermal expansion coefficient between the material and the heat storage outer casing material is matched, which can effectively isolate the direct contact between the heat storage shell and the heat storage material, thereby preventing or slowing down the heat storage material pair. Corrosion caused by the heat storage housing.
  • the heat storage casing is internally arranged with reinforcing steel bars to strengthen the structural strength, so that the heat storage casing can withstand a certain pressure.
  • the heat exchange pipe is arranged with fins, which can increase the outer surface area of the heat exchange pipe, thereby Improve heat transfer efficiency.
  • the heat exchange pipeline is a spiral heat exchange pipeline, and specifically may be a vertically rising arrangement, an inclined arrangement or a horizontally arranged spiral heat exchange pipeline, so that the heat exchange is more sufficient.
  • the heat storage casing has a rectangular or equilateral hexagonal cross-sectional shape to facilitate a tight array arrangement of the plurality of heat storage-heat exchange units, thereby facilitating formation of a large-scale heat storage-heat exchange device.
  • the outer surface of the heat storage-heat exchange device is provided with an anti-corrosion layer, which can effectively prevent damage to the heat storage casing by acid rain or the like.
  • the heat storage-heat exchange device has the following obvious advantages: (1) the heat storage material has a high heat capacity; (2) the thermal expansion coefficient between the heat storage material and the heat exchange pipe is matched; The contact between the heat storage material and the heat exchange pipe is good; (4) The coefficient of thermal expansion between the heat storage material and the shell material is matched, and the heat storage shell does not crack under long-term use; (5) heat storage-replacement
  • the thermal equipment has a simple structure, which is convenient for workshop processing, convenient transportation and on-site installation.
  • the heat storage shell material is economical and corrosion resistant, and can also provide sensible heat storage capacity, and the overall heat storage cost is low.
  • Figure 1 is a schematic view showing the structure of a first embodiment of a heat storage/heat exchange unit of the present invention.
  • Fig. 2 is a schematic view showing the structure of a second embodiment of the heat storage/heat exchange unit of the present invention.
  • FIG. 3 is a schematic view showing the structure of a third embodiment of the heat storage-heat exchange device of the present invention. detailed description
  • FIG. 1 is a schematic view showing the structure of a first embodiment of a heat storage/heat exchange unit of the present invention.
  • the heat storage-heat exchange device includes one or more arrays of heat storage-heat exchange units; each of the heat storage-heat exchange units includes a heat storage casing 101, and is disposed The heat storage material 104 and the corrosion-resistant structural layer 102 inside the heat storage casing 101 and the heat exchange device 103 disposed in the heat storage material 104.
  • the material of the heat storage casing 101 is a solid material having sensible heat storage capacity; for example, a mixture of one or more of cement, concrete, stone, metal, glass, ceramic, graphite;
  • the method for forming the casing 101 specifically includes: Firstly, adding silicon micropowder, slag powder and carbon fiber in a certain proportion in graphite cement or aluminate cement, after dry-mixing, adding a certain amount of water, and then mixing and hooking, utilizing
  • the mold is made into a column with a rectangular or regular hexagonal cross section to facilitate the tight array arrangement of the plurality of heat storage-heat exchange units, and the reinforcing steel with enhanced structural strength is disposed inside the mold, and the heat storage-heat exchange is formed after demolding.
  • the manufacturing cost is low, the pressure bearing capacity is strong, and the transportation is convenient.
  • Arranging the corrosion-resistant structural layer 102 inside the heat storage casing 101 can effectively isolate the direct contact between the heat storage casing and the heat storage material, thereby preventing or slowing the corrosion of the heat storage material on the heat storage casing;
  • the structural layer 102 may be a carbon fiber prepreg or graphite paper.
  • the method for forming the corrosion-resistant structural layer 102 inside the heat storage casing 101 is specifically: after placing a carbon fiber prepreg on the inner wall of the heat storage casing 101, storing heat
  • the inside of the casing 101 is filled with a high-temperature epoxy glue to fix the carbon fiber prepreg, and then the heat storage casing 101 is sealed, and water vapor of 1 MPa and 160 ° C is passed for 10 minutes to make the high temperature epoxy on the carbon fiber prepreg.
  • the glue is melted by heat, and after condensation, the carbon fiber prepreg and the heat storage casing 101 form a complete casing; the carbon fiber prepreg or graphite paper can prevent the heat storage material 104 from corroding the heat storage casing 101 and avoid heat storage.
  • the material 104 oozes out to the heat storage housing 101.
  • the heat exchange device 103 is a vertically spirally connected spiral heat exchange pipe, and the spiral heat exchange pipes are arranged inside the heat storage casing 101, and a plurality of arrays of spiral heat exchange pipes are arranged in each heat storage and heat exchange unit.
  • the heat exchange medium in the pipeline is preferably water or water vapor, and the heat input and output are implemented.
  • the fins are arranged on the heat exchange pipeline to increase the outer surface area of the heat exchange pipeline and improve the heat exchange efficiency.
  • the heat storage material 104 filled in the inner space of the heat storage casing may be a liquid sensible heat storage material, a sensible heat storage material mixed with different liquid and solid materials, or a phase change heat storage which can be used for solid-liquid conversion. material.
  • the liquid sensible heat storage material may be an inorganic salt, an inorganic salt mixture, a low melting point metal, a low melting point metal alloy or a heat conducting oil, and may be, for example, sodium nitrate 60 ⁇ % by weight and potassium nitrate 40Wt°/ ⁇ .
  • Mixed salt which has high temperature stability, can use sensible heat storage temperature range of 300 ° C ⁇ 550 ° C, and can also be metal sodium, which has good heat storage and thermal conductivity, and spiral heat exchange Good thermal expansion matching between the pipes, good contact, no gaps in long-term use.
  • the sensible heat or latent heat of the heat storage material is used for heat storage and output; when heat is stored, the sensible heat storage material absorbs heat and the temperature rises; when the heat is output, the sensible heat storage material releases heat and the temperature is lowered.
  • the heat storage material is a sensible heat storage material mixed with different substances of a liquid state and a solid state, for example, a sensible heat storage material used for liquid state is an inorganic salt, an inorganic salt mixture, a low melting point metal, a low melting point metal alloy or a heat transfer oil.
  • the sensible heat storage material used in the solid state is a heat storage stone block; the use of the sensible heat storage material ensures good contact between the heat storage material and the heat storage shell and between the heat storage material and the heat exchange device The heat conduction effect is good, and the difference in thermal expansion coefficient between the materials is small, and the destructive pressing force is not caused, thereby ensuring the safety of the heat storage housing.
  • the heat storage material is a phase change heat storage material, which may be an inorganic salt, a mixture of inorganic salts, a low melting point metal, a low melting point metal alloy or a heat transfer oil; for example, the heat storage material may specifically be sodium carbonate or nitric acid.
  • the heat storage and output of the phase change latent heat of the phase change heat storage material is used to absorb a large amount of heat during heat storage, and the phase change is stored.
  • the temperature of the hot material rises to the phase transition temperature, and then the phase change occurs, and gradually melts from the solid state into a liquid state; when the heat is output, the vertically rising spiral heat exchange pipe penetrates the flowing heat exchange medium water input, and absorbs the phase change heat storage material. After the heat is turned into water vapor with internal heat, when the temperature of the phase change heat storage material drops to the phase transition temperature, the phase change heat storage material undergoes a phase change, and gradually solidifies into a solid state by the liquid state; the heat storage-heat exchange
  • the outer surface of the device is provided with an anti-corrosion layer, which can effectively prevent damage to the heat storage casing 101 by acid rain or the like.
  • the heat storage-heat exchange device is an outer heat storage case 201 and a corrosion-resistant structure layer 202.
  • the heat exchange device 203, the heat storage material 204; the material of the heat storage case 201 is one or more of cement, concrete, stone, metal, glass, ceramic or graphite; in this embodiment, the storage
  • the hot shell 201 is a high temperature resistant and corrosion resistant concrete structure formed by using a mold, and the method for forming the heat storage shell 201 specifically includes: First, adding silicon powder or slag powder in a certain proportion in graphite cement or aluminate cement and After the carbon fiber is dry-mixed, a certain amount of water is added, and then mixed and hooked, and the cylinder is made into a rectangular column with a rectangular shape, and a steel bar with enhanced structural strength is arranged inside, and heat storage is formed after demolding -
  • the heat storage casing 201 of the heat exchange device is an outer heat storage case 201 and a corrosion-resistant structure layer 202.
  • the corrosion-resistant structural layer 202 is a stainless steel or carbon steel bellows, and the bellows is tangent to the wall surface of the heat storage casing 201, and can be better combined with the heat storage casing 201 of the high temperature and corrosion resistant concrete structure to avoid high temperature expansion.
  • the separation of the corrosion-resistant structural layer 202 from the high-temperature and corrosion-resistant concrete structure further improves the thermal expansion matching between the structural layer and the heat storage casing 201; the heat exchange device 203 is vertically rising and disposed inside the heat storage casing 201.
  • a spiral heat exchange pipe which performs heat input and output, and the spiral heat exchange pipe is arranged inside the heat storage casing 201, and the heat exchange pipe is provided with fins, and the heat exchange area is increased, and the efficiency is improved;
  • 204 is a latent heat or sensible heat storage medium, which is dispersed in the space inside the heat storage casing 201, and stores and outputs heat through latent heat or latent heat or sensible heat of the sensible heat storage material;
  • the outer surface of the thermal device is provided with an anti-corrosion layer, which can effectively prevent the corrosive substances such as acid rain from damaging the heat storage casing 201.
  • the corrosion-resistant structural layer 202 is disposed on the inner surface of the heat storage casing 201 during the manufacturing process of the heat storage casing 101, and is integrated with the heat storage casing, and the corrosion-resistant structural layer 202 material can also be
  • the aluminum corrosion-resistant structural layer 202 can effectively prevent the heat storage material 204, such as sodium nitrate or potassium nitrate, from penetrating and corroding the heat storage casing 201, thereby prolonging the life of the heat storage casing 201.
  • FIG. 3 is a schematic view showing the structure of a third embodiment of the heat storage-heat exchange device of the present invention.
  • the heat storage-heat exchange device 313 includes a plurality of heat storage-heat exchange units 311 arranged in an array, and the heat storage-heat exchange units 311 are closely arranged to save space.
  • Each of the heat storage-heat exchange units such as the heat storage-heat exchange unit 311, is externally disposed with a heat storage housing 301, and a heat exchange device 303 disposed inside the heat storage housing 301, for example, a U-shaped spiral rising heat exchange tube, which performs heat Input and output;
  • the heat exchange medium is, for example, superheated steam, flowing from the input line 305 to the U-shaped spiral rising heat exchange pipe in each heat storage-heat exchange unit such as the heat storage-heat exchange unit 311.
  • the temperature of the superheated steam gradually decreases.
  • the heat unit such as water vapor or superheated water vapor in the heat storage-heat exchange unit 311 is uniformly outputted from the output line 306 for use.
  • the heat storage-heat exchange device can store and output heat, and is easy to install and low in cost.
  • the spiral heat exchange tubes arranged inside the heat storage-heat exchange unit may have other arrangements, such as a vertical rising direction, and in the heat storage process, high temperature and high pressure heat exchange medium, such as water vapor from the upper end. After entering the heat storage, it flows out from the lower end; in the process of taking heat, a low-temperature high-pressure heat exchange medium such as water enters from the lower end, and after the heat is taken out, flows out from the upper end.
  • the heat storage-heat exchange unit can also be arranged horizontally in the array, and the heat exchange medium flows from the horizontal end to the other end to complete the heat storage and heat extraction of the heat storage-heat exchange unit.
  • the material of the heat storage shell of the heat storage-heat exchange unit may be a high temperature resistant and corrosion resistant concrete, such as graphite concrete containing graphite, which can reduce the corrosion of the heat storage shell itself by the specific phase heat storage material.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un équipement de stockage et d'échange thermiques. Cet équipement comprend au moins une unité de stockage-échange thermique disposée en ligne. Chaque unité de stockage-échange thermique comprend un logement de stockage thermique (101), des matériaux de stockage thermique (104) disposés dans le logement (101) ainsi qu'un dispositif d'échange thermique (103) disposé dans les matériaux de stockage thermique (104), l'unité de stockage-échange thermique mettant en oeuvre une entrée de tête et une sortie de tête par l'intermédiaire du dispositif d'échange thermique (103); les matériaux de stockage thermique (104) sont des matériaux de stockage de chaleur sensible liquides, des matériaux de stockage de chaleur sensible liquides et solides mélangeant différentes substances ou des matériaux de stockage de chaleur à changement de phase aptes à passer d'un état solide à un état liquide; le matériau du logement de stockage thermique (101) est un matériau solide apte à stocker de la chaleur sensible; le dispositif d'échange thermique (103) comprend une canalisation traversante d'échange thermique; et l'extérieur du dispositif de stockage-échange thermique est pourvu d'une couche d'isolation thermique formée à partir de matériaux d'isolation thermique. L'équipement de stockage-échange thermique selon l'invention présente une structure simple, de faibles coûts et il peut être appliqué à des champs multiples.
PCT/CN2013/084087 2012-09-25 2013-09-24 Equipement de stockage et d'échange thermiques WO2014048300A1 (fr)

Applications Claiming Priority (2)

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CN201210361154.4A CN103673704A (zh) 2012-09-25 2012-09-25 一种储热-换热设备
CN201210361154.4 2012-09-25

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CN113295031A (zh) * 2021-05-27 2021-08-24 中国科学院理化技术研究所 固液组合蓄冷热器及储能系统

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CN104896632A (zh) * 2015-04-30 2015-09-09 东莞市兆荣节能科技有限公司 模块化盘管式相变材料蓄能槽及采用该蓄能槽的空调系统
CN105466266B (zh) * 2015-12-22 2018-04-13 华南理工大学 一种冷热分流的多管程节能蓄热器
CN108507392B (zh) * 2017-02-28 2020-08-07 芜湖美的厨卫电器制造有限公司 相变蓄热装置的壳体及相变蓄热装置
CN109862629B (zh) * 2018-10-19 2021-08-06 国网辽宁省电力有限公司沈阳供电公司 基于洛伦兹力反向磁场解耦优化及加热丝布局设计方法
CN110186304A (zh) * 2019-06-28 2019-08-30 思安新能源股份有限公司 预制模块化固体储热装置及固体储热系统
EP3879201B1 (fr) * 2020-03-11 2023-05-10 Nikolai N. Korpan Dispositif de stockage tampon souterrain ainsi que procédé de stockage tampon dans un support de moyen de stockage de chaleur
CN113294932B (zh) * 2021-05-28 2022-06-24 黑龙江建筑职业技术学院 一种节能可转换供热制冷系统

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CN113295031B (zh) * 2021-05-27 2022-12-16 中国科学院理化技术研究所 固液组合蓄冷热器及储能系统

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