CN219318681U - Phase-change energy storage refrigerating and heating integrated system - Google Patents

Phase-change energy storage refrigerating and heating integrated system Download PDF

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Publication number
CN219318681U
CN219318681U CN202222674721.3U CN202222674721U CN219318681U CN 219318681 U CN219318681 U CN 219318681U CN 202222674721 U CN202222674721 U CN 202222674721U CN 219318681 U CN219318681 U CN 219318681U
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phase
storage
change
air
cold
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陈雷
宫浩惠
盛思源
刘忠宝
张文天
韦自妍
郭旻悦
孙巍铭
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Hangzhou Haiao Lvjian Technology Co ltd
Beijing University of Technology
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Hangzhou Haiao Lvjian Technology Co ltd
Beijing University of Technology
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    • 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

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Abstract

The utility model discloses a phase-change energy-storage refrigeration and heating integrated system, which belongs to the technical field of passive energy conservation and comprises a PT-RC integrated machine, a phase-change heat-storage hot-storage tank, a user side, a phase-change cold-storage air tank and a phase-change heat-storage hot-storage air tank, wherein the phase-change heat-storage hot-storage water tank is connected with the user side through a second water pump matching pipeline, the user side is connected with the PT-RC integrated machine through a third water pump matching pipeline, a return air fan is connected with a cold air return valve and a hot air return valve in sequence through pipelines, the cold air return valve is connected with the phase-change cold-storage air tank through pipeline matching with a cold air fan, and the cold air return valve is communicated with the PT-RC integrated machine through pipeline matching with a phase-change cold-storage air tank inlet valve and an air supply fan. By adopting the PT-RC integrated machine, heat is supplied in daytime and is cooled at night, so that the cooling and heating without energy consumption can be realized, and compared with the traditional solar heat collector, the PT-RC integrated machine has the advantages of more abundant functions and higher working efficiency.

Description

Phase-change energy storage refrigerating and heating integrated system
Technical Field
The utility model relates to the technical field of passive energy conservation, in particular to a phase-change energy storage refrigeration and heating integrated system.
Background
Photothermal conversion (PT) is a method of providing heat to a building, and various commercial photothermal conversion products are currently used for building energy saving, such as flat-panel solar collectors. In recent years, radiation weather has been widely studied as a method of passive heat dissipation, and has been successfully applied to the fields of cooling on a building scale, radiation cooling of solar cells, personal heat management, power generation, and the like. As an energy storage material, the phase change heat storage material is also increasingly applied to the field of building energy conservation.
However, the traditional solar heat collector has great dependence on solar radiation, and has poor heat supply effect when the sunlight is insufficient; the simple sky radiation refrigeration technology has single function, can only perform refrigeration and cooling, and can increase the heat load of the building in cold seasons; meanwhile, the phase-change heat storage material is directly applied to building materials, the phase-change heat absorption and temperature reduction of the phase-change material in the daytime in summer are realized, the phase-change heat release and temperature increase at night and the phase-change heat release and temperature increase of the phase-change material in the nighttime in winter are realized, and the technical application capable of comprehensively applying the photo-thermal, sky radiation refrigeration and phase-change energy storage technology and avoiding the defects thereof is urgently needed at present.
Disclosure of Invention
The utility model aims to provide a phase-change energy-storage refrigerating and heating integrated system, which adopts a PT-RC integrated machine to supply heat in daytime and cool at night, can realize energy-consumption-free refrigerating and heating, and has more abundant functions and higher working efficiency compared with the traditional solar heat collector.
The utility model provides the following technical scheme: the phase-change energy-storage refrigeration and heating integrated system comprises a PT-RC integrated machine, a phase-change heat-storage water tank, a user side, a phase-change cold-storage air tank and a phase-change heat-storage air tank, wherein transparent sealing covers and heat preservation layers are respectively arranged on two sides of the PT-RC integrated machine, a waterway heating inlet and a waterway heating outlet are respectively arranged at two ends of the PT-RC integrated machine, an outdoor air inlet and an outdoor air outlet are symmetrically arranged at two ends of the PT-RC integrated machine, and a PV-RT module layer is arranged inside the PT-RC integrated machine;
the PT-RC integrated machine is communicated with the phase-change heat storage and water storage tank through a first water pump matched pipeline, a first heat preservation layer is arranged on the phase-change heat storage and water storage tank, and a hot water tank inner wall phase-change heat storage layer and hot water are arranged in the phase-change heat storage and water storage tank;
the phase-change heat storage and heat storage water tank is connected with a user end through a second water pump matching pipeline, the user end is connected with the PT-RC integrated machine through a third water pump matching pipeline, the user end is sequentially provided with an exhaust fan and a return air fan through a three-way valve matching pipeline, an exhaust valve is arranged on a pipeline between the exhaust fan and the three-way valve, the return air fan is sequentially connected with a cold air return valve and a hot air return valve through pipelines, the cold air return valve is connected with the phase-change cold storage and heat storage cold air tank through a pipeline matching cold air fan, and the cold air return valve is communicated with the PT-RC integrated machine through a pipeline matching phase-change cold storage and heat storage cold air tank inlet valve and an air supply fan;
the PT-RC integrated machine is connected with the phase-change heat storage and heat storage air tank through the air supply fan, the phase-change heat storage and heat storage air tank inlet valve and the hot air fan in a matching mode, the phase-change heat storage and heat storage air tank is connected with the phase-change cold storage and heat storage air tank through the phase-change heat storage and heat storage air tank outlet valve and the phase-change cold storage air tank outlet valve matching pipeline, and the phase-change heat storage and heat storage air tank is connected with a user side through the phase-change heat storage and heat storage air tank outlet valve and the air supply fan matching pipeline.
Preferably, the PV-RT module layer has a three-layer structure, the first layer is planar polydimethylsiloxane, and the second layer is Ni and Al 2 O 3 The third layer is aluminum plate.
Preferably, the hot water pipeline above the PV-RT module layer is externally coated with Ni and Al 2 O 3 A complex.
Preferably, ribs are mounted under the PV-RT module layer.
Preferably, the inner wall of the phase-change heat storage and cold storage tank is coated with a phase-change energy storage material.
Preferably, the phase-change cold storage cold air storage tank inlet valve, the phase-change cold storage cold air storage tank outlet valve, the three-way valve, the exhaust valve, the phase-change heat storage air storage tank inlet valve, the phase-change heat storage air storage tank outlet valve and the hot air return valve are all electromagnetic valves.
Preferably, a cold air room is arranged in the phase-change cold storage cold air storage tank, a phase-change cold storage layer is arranged on the inner wall of the phase-change cold storage cold air storage tank, and a sky radiation refrigeration coating is arranged on the surface of the phase-change cold storage cold air storage tank.
Preferably, a hot gas space is arranged in the phase-change heat storage gas tank, and a phase-change heat storage layer and a second heat preservation layer in the hot gas tank are arranged on the inner wall of the phase-change heat storage gas tank.
The utility model has the technical effects and advantages that:
the utility model aims to design a phase-change energy-storage refrigerating and heating integrated system for solar heat collection coupling sky radiation refrigeration, adopts a PT-RC integrated machine, supplies heat in daytime and refrigerates at night, can realize energy-consumption-free refrigerating and heating, and has more abundant functions and higher working efficiency compared with the traditional solar heat collector; the sky radiation refrigeration coating is smeared outside the phase change cold accumulation cold storage gas tank, so that the refrigeration effect can be improved, and the refrigeration without energy consumption can be realized; by adopting the design of a plurality of heat storage material storage tanks, the continuous operation effect of the system can be improved, compared with a single heat storage coating passive building, the system can realize the annual refrigeration or heat supply requirement according to the temperature change, compared with a single heat storage coating passive building, the system has more abundant functions, can realize the annual continuous operation, and avoids the defect that a single heat storage coating can only heat or cool; the return air loop can avoid the waste of the energy of exhaust air and effectively improve the system efficiency.
Drawings
FIG. 1 is a schematic diagram of a phase-change energy-storage refrigerating and heating integrated system with solar heat collection coupled sky radiation refrigeration;
FIG. 2 is a schematic diagram of a PT-RC integrated machine according to the present utility model;
FIG. 3 is a schematic diagram of a phase change heat storage hot water tank selected in the utility model;
FIG. 4 is a schematic diagram of a phase change cold accumulation and storage tank according to the present utility model;
fig. 5 is a schematic structural diagram of a phase change heat storage tank selected for use in the present utility model.
Reference numerals illustrate: 1. PT-RC integrated machine; 1-1, a polyethylene layer; 1-2, an insulating layer; 1-3, a waterway heating inlet; 1-4, a waterway heating outlet; 1-5, an outdoor air inlet; 1-6, an outdoor air outlet; 1-7, PV-RT module layers; 1-8, ribs; 2. a first water pump; 3. phase change heat storage water tank; 3-a, a first heat-preserving layer; 3-b, a phase change heat storage layer on the inner wall of the hot water tank; 3-c, hot water room; 4. a second water pump; 5. a user terminal; 6. a third water pump; 7. an air supply fan; 8. an inlet valve of the phase-change cold storage cold air storage tank; 9. a cold air blower; 10. a phase change cold storage reservoir Leng Qiguan; 10-a, sky radiation refrigeration coating; 10-b, a phase change cold accumulation layer; 10-c, cooling room; 11. phase change cold storage cold air storage tank outlet valve; 12. an air supply fan; 13. a three-way valve; 14. an exhaust valve; 15. an exhaust fan; 16. a return air blower; 17. a cool air return valve; 18. an inlet valve of the phase-change heat storage and accumulation gas tank; 19. a hot air blower; 20. phase change heat storage and gas storage tank; 20-a, a second heat preservation layer; 20-b, a phase-change heat storage layer in the hot gas tank; 20-c, between hot gases; 21. an outlet valve of the phase-change heat storage and accumulation gas tank; 22. a hot air return valve.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a phase-change energy-storage refrigerating and heating integrated system as shown in fig. 1-5, which comprises a PT-RC integrated machine 1, a phase-change heat-storage hot-water storage tank 3, a user end 5, a phase-change cold-storage gas storage tank 10 and a phase-change heat-storage hot-water storage tank 20, wherein transparent covers and heat preservation layers 1-2 are respectively arranged on two sides of the PT-RC integrated machine 1 and are respectively covered with a polyethylene layer 1-1, waterway heating inlets 1-3 and waterway heating outlets 1-4 are respectively arranged on two ends of the PT-RC integrated machine 1, outdoor air inlets 1-5 and outdoor air outlets 1-6 are symmetrically arranged on two ends of the PT-RC integrated machine 1, and PV-RT module layers 1-7 are arranged inside the PT-RC integrated machine 1;
the PT-RC integrated machine 1 is communicated with the phase-change heat storage and water storage tank 3 through a first water pump 2 matched with a pipeline, a first heat preservation layer 3-a is arranged on the phase-change heat storage and water storage tank 3, and a hot water tank inner wall phase-change heat storage layer 3-b and a hot water room 3-c are arranged inside the phase-change heat storage and water storage tank 3;
the phase change heat storage and heat storage water tank 3 is connected with the user side 5 through a second water pump 4 matched pipeline, the user side 5 is connected with the PT-RC integrated machine 1 through a third water pump 6 matched pipeline, the user side 5 is sequentially provided with an air exhaust fan 15 and an air return fan 16 through a three-way valve 13 matched pipeline, the pipeline between the air exhaust fan 15 and the three-way valve 13 is provided with an air exhaust valve 14, the air return fan 16 is sequentially connected with a cold air return valve 17 and a hot air return valve 22 through pipelines, the cold air return valve 17 is connected with the phase change cold storage and heat storage air tank 10 through a pipeline matched with the cold air fan 9, and the cold air return valve 17 is communicated with the PT-RC integrated machine 1 through a pipeline matched with the phase change cold storage and heat storage air tank inlet valve 8 and the air supply fan 7;
the PT-RC integrated machine 1 is connected with a phase-change heat storage and heat storage air tank 20 through the matching of an air supply fan 7, a phase-change heat storage and heat storage air tank inlet valve 18 and a hot air fan 19, the phase-change heat storage and cold air storage tank 20 is connected with the phase-change cold storage and cold air storage tank 10 through a phase-change heat storage and cold air storage tank outlet valve 21 and a phase-change cold air storage tank outlet valve 11 matched pipeline, and the phase-change heat storage and cold air storage tank 20 is connected with the user side 5 through the phase-change heat storage and cold air storage tank outlet valve 21 and an air supply fan 12 matched pipeline. The PV-RT module layers 1-7 are of three-layer structure, wherein the first layer is planar polydimethylsiloxane, and the second layer is Ni and Al 2 O 3 The third layer is aluminum plate. The hot water pipeline above the PV-RT module layers 1-7 is externally coated with Ni and Al 2 O 3 A complex. The ribs are arranged below the PV-RT module layers 1-7, the phase-change heat storage and heat storage water tank 3, the phase-change cold storage and heat storage water tank 10 and the inner wall of the phase-change heat storage and heat storage water tank 20 are coated with phase-change energy storage materials. The phase-change cold storage and air storage tank inlet valve 8, the phase-change cold storage and air storage tank outlet valve 11, the three-way valve 13, the exhaust valve 14, the phase-change heat storage and air storage tank inlet valve 18, the phase-change heat storage and air storage tank outlet valve 21 and the hot air return valve 22 are all electromagnetic valves. The interior of the phase-change cold-storage air tank 10 is provided with a cold air room 10-c, the inner wall of the phase-change cold-storage air tank 10 is provided with a phase-change cold-storage layer 10-b, and the surface of the phase-change cold-storage air tank 10 is provided with a sky radiation refrigeration coating 10-a. The phase-change heat storage gas tank 20 is internally provided with a hot gas chamber 20-c, and the inner wall of the phase-change heat storage gas tank 20 is provided with a phase-change heat storage layer 20-b and a second heat preservation layer 20-a in the hot gas tank.
The utility model provides a preferred embodiment of a phase-change energy-storage refrigerating and heating integrated system with solar heat collection and sky radiation refrigeration, wherein a PT-RC integrated machine 1, a first water pump 2, a phase-change heat storage hot water tank 3, a second water pump 4, a user side 5 and a third water pump 6 form a hot water supply loop. When the sunlight is sufficient, the water in the user side 5 enters the waterway heating inlet 1-3 of the PT-RC integrated machine 1 under the drive of the third water pump 6 and is heated in the hot water pipeline in the PT-RC integrated machine 1. The PV-RT module layer 1-7 and the solar heat collection coating on the pipe wall of the hot water pipeline absorb heat energy of solar radiation to heat hot water, the heated hot water passes through the waterway heating outlet 1-4 and then reaches the phase change heat storage water tank 3 under the drive of the first water pump 2, the first heat preservation layer 3-a plays a role of preserving heat to keep the temperature of hot water in the hot water tank 3-c stable, the phase change heat storage layer 3-b on the inner wall of the hot water tank changes phase from solid state to liquid state to store a part of heat. When the user terminal 5 has a hot water demand, the hot water in the phase-change heat storage hot water tank 3 reaches the user terminal 5 under the drive of the second water pump 4 so as to meet the hot water demand of the user terminal 5. When the temperature of the hot water in the phase-change heat storage water tank 3 is reduced at night, the phase-change heat storage layer 3-b on the inner wall of the hot water tank is converted from a liquid phase to a solid phase to release heat, and the water in the hot water tank 3-c is heated, so that the hot water requirement of the user side 5 is met.
If the user terminal 5 has refrigeration requirement at night, the air supply fan 7, the phase-change cold storage cold air tank inlet valve 8, the cold air fan 9, the phase-change cold storage cold air tank outlet valve 11, the air supply fan 12, outdoor air enters the PT-RC integrated machine 1 from the outdoor air inlet 1-5, the temperature of the outdoor air is reduced under the sky radiation refrigeration effect of the PV-RT module layer 1-7 and the enhanced heat exchange effect of the fins 1-8, the cooled air reaches the phase-change cold storage cold air tank inlet valve 8 through the outdoor air outlet 1-6 under the driving of the air supply fan 7, the cold air enters the phase-change cold storage cold air tank 10 under the driving of the cold air fan 9, at this time, the outer sky radiation refrigeration coating 10-a of the phase-change cold storage cold air tank 10 further cools the cold air in the phase-change cold room 10-c, and meanwhile the phase-change cold storage cold layer 10-b dissipates heat, and is converted from liquid state to solid state. The cold air which finally reaches the refrigeration requirement of the user terminal 5 reaches the user terminal 5 through the outlet valve 11 of the phase-change cold storage cold air storage tank under the drive of the air supply fan 12 so as to meet the refrigeration requirement of the user terminal 5.
During daytime, the PT-RC integrated machine 1 has the functions of heating and can not perform refrigeration, so that the air supply fan 7 and the phase-change cold storage air storage tank inlet valve 8 are closed, when the temperature in the daytime is higher, the phase-change cold storage layer 10-b absorbs heat and liquefies to release cold for air in the air conditioner 10-c, and meanwhile, the sky radiation refrigeration coating 10-a is a polyvinylidene fluoride-hexafluoropropylene layered porous coating and can perform sky radiation refrigeration in the daytime to cool the air in the air conditioner 10-c.
If the user side 5 has heating requirements in daytime, the air supply fan 7, the phase-change heat storage air storage tank inlet valve 18, the hot air fan 19 and the phase-change heat storage air storage tank outlet valve 21 are opened, the air supply fan 12 is used for enabling outdoor air to enter the PT-RC integrated machine 1 from the outdoor air inlet 1-5, the PV-RT module layer 1-7 is used for absorbing radiant heat energy from the sun, meanwhile, under the effect of enhanced heat exchange of the fins 1-8, the outdoor air absorbs heat, the temperature rises, the heated air reaches the phase-change heat storage air storage tank inlet valve 18 through the outdoor air outlet 1-6 under the driving of the air supply fan 7, hot air enters the phase-change heat storage air tank 20 under the driving of the hot air fan 19, the second heat preservation layer 20-a plays a role of preserving heat to keep the temperature of the hot air in the hot air chamber 20-c stable, the phase-change heat storage layer 20-b in the hot air tank is used for absorbing the heat of the hot air in the hot air chamber 20-c, and is converted from solid state to liquid, and part of the heat is stored. The hot air which finally reaches the refrigerating requirement of the user terminal 5 reaches the user terminal 5 through the outlet valve 21 of the phase-change heat storage and heat storage air tank under the drive of the air supply fan 12 so as to meet the heating requirement of the user terminal 5.
At night, the PT-RC integrated machine 1 cannot perform heating, so that the air supply fan 7 and the inlet valve 18 of the phase-change heat storage and heat storage air tank are closed, and when the temperature at night is low, the phase-change heat storage layer 20-b in the hot air tank releases heat to release heat for the air in the hot air chamber 20-c so as to meet the heat supply requirement of a user side.
Further, when the user side 5 has the ventilation and exhaust requirements, the three-way valve 13, the exhaust valve 14 and the exhaust fan 15 can be opened for exhausting, and when the cooling or heating load is overlarge, the return air fan 16 can be opened; when the refrigeration load is excessive, a cold air return valve 17 is opened to return air; when the heating load is excessive, the hot air return valve 22 is opened to return air.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (10)

1. The utility model provides a phase transition energy storage refrigeration heats integration system, includes PT-RC all-in-one (1), phase transition heat accumulation heat storage water pitcher (3), user side (5), phase transition cold-storage Leng Qiguan (10) and phase transition heat accumulation heat storage gas pitcher (20), its characterized in that: transparent sealing covers and heat preservation layers (1-2) are respectively arranged on two sides of the PT-RC integrated machine (1), the transparent sealing covers are polyethylene layers (1-1), waterway heating inlets (1-3) and waterway heating outlets (1-4) are respectively arranged at two ends of the PT-RC integrated machine (1), and the PT-RC integrated machine (1) is communicated with a phase-change heat storage water tank (3) through a first water pump (2) matched with a pipeline;
the phase change heat storage and heat storage water tank (3) is connected with the user side (5) through a second water pump (4) matched pipeline, the user side (5) is connected with the PT-RC integrated machine (1) through a third water pump (6) matched pipeline, the user side (5) is sequentially provided with an exhaust fan (15) and a return air fan (16) through a three-way valve (13) matched pipeline, the pipeline between the exhaust fan (15) and the three-way valve (13) is provided with an exhaust valve (14), the return air fan (16) is sequentially connected with a cold air return valve (17) and a hot air return valve (22) through pipelines, the cold air return valve (17) is connected with the phase change heat storage and heat storage Leng Qiguan (10) through a pipeline matched with the phase change heat storage and heat storage air tank inlet valve (8) and the air supply fan (7) and the PT-RC integrated machine (1);
PT-RC all-in-one (1) is connected with phase-change heat accumulation gas pitcher (20) through air feed fan (7), phase-change heat accumulation gas pitcher entry valve (18), hot gas fan (19) cooperation, phase-change heat accumulation gas pitcher (20) are connected with phase-change cold accumulation Leng Qiguan (10) through phase-change heat accumulation gas pitcher exit valve (21), phase-change cold accumulation gas pitcher exit valve (11) cooperation pipeline, phase-change heat accumulation gas pitcher (20) are connected with user side (5) through phase-change heat accumulation gas pitcher exit valve (21), air feed fan (12) cooperation pipeline.
2. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the PT-RC integrated machine (1) is symmetrically provided with an outdoor air inlet (1-5) and an outdoor air outlet (1-6) at two ends, and a PV-RT module layer (1-7) is arranged inside the PT-RC integrated machine (1).
3. The phase-change energy-storage refrigerating and heating integrated system according to claim 2, wherein: the PV-RT module layer (1-7) has a three-layer structure, wherein the first layer is planar polydimethylsiloxane, and the second layer is Ni and Al 2 O 3 The third layer is aluminum plate.
4. A phase-change energy-storage refrigerating and heating integrated system as claimed in claim 3, wherein: the hot water pipeline above the PV-RT module layer (1-7) is externally coated with Ni and Al 2 O 3 A complex.
5. The phase-change energy-storage refrigerating and heating integrated system according to claim 4, wherein: and ribs are arranged below the PV-RT module layers (1-7).
6. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the phase-change heat storage and heat storage water tank (3), the phase-change cold storage and heat storage tank Leng Qiguan (10) and the inner wall of the phase-change heat storage and heat storage water tank (20) are coated with phase-change energy storage materials.
7. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the phase-change heat storage water tank (3) is provided with a first heat preservation layer (3-a), and a hot water tank inner wall phase-change heat storage layer (3-b) and a hot water room (3-c) are arranged in the phase-change heat storage water tank (3).
8. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the phase-change cold storage and air storage tank inlet valve (8), the phase-change cold storage and air storage tank outlet valve (11), the three-way valve (13), the exhaust valve (14), the phase-change heat storage and air storage tank inlet valve (18), the phase-change heat storage and air storage tank outlet valve (21) and the hot air return valve (22) are all electromagnetic valves.
9. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the phase-change cold accumulation device is characterized in that a cold air room (10-c) is arranged in the phase-change cold accumulation storage Leng Qiguan (10), a phase-change cold accumulation layer (10-b) is arranged on the inner wall of the phase-change cold accumulation storage Leng Qiguan (10), and a sky radiation refrigeration coating (10-a) is arranged on the surface of the phase-change cold accumulation storage Leng Qiguan (10).
10. The phase-change energy-storage refrigerating and heating integrated system according to claim 1, wherein: the phase-change heat storage and accumulation air tank (20) is internally provided with a hot air chamber (20-c), and the inner wall of the phase-change heat storage and accumulation air tank (20) is provided with a phase-change heat accumulation layer (20-b) and a second heat preservation layer (20-a) in the hot air tank.
CN202222674721.3U 2022-10-11 2022-10-11 Phase-change energy storage refrigerating and heating integrated system Active CN219318681U (en)

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Application Number Priority Date Filing Date Title
CN202222674721.3U CN219318681U (en) 2022-10-11 2022-10-11 Phase-change energy storage refrigerating and heating integrated system

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Application Number Priority Date Filing Date Title
CN202222674721.3U CN219318681U (en) 2022-10-11 2022-10-11 Phase-change energy storage refrigerating and heating integrated system

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CN219318681U true CN219318681U (en) 2023-07-07

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