CN219607808U - Superconductive composite phase-change heat accumulating plate type warm air and hot water generator unit - Google Patents
Superconductive composite phase-change heat accumulating plate type warm air and hot water generator unit Download PDFInfo
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- CN219607808U CN219607808U CN202320641038.1U CN202320641038U CN219607808U CN 219607808 U CN219607808 U CN 219607808U CN 202320641038 U CN202320641038 U CN 202320641038U CN 219607808 U CN219607808 U CN 219607808U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a superconductive composite phase-change heat-accumulating plate type warm-air hot-water generator unit, which comprises: the device comprises an inflation type thermal superconducting plate, a fluid heat exchange part, a heating part, a phase change heat storage part and radiating fins. The utility model has the complete functions of heating, heat storage and hot water and warm air supply, can supply hot water and warm air independently or simultaneously, can also connect and combine the preset warm air hot water generator units to realize the warm air hot water generators with different heat storage capacity and different hot water quantity, hot water temperature, warm air quantity, warm air temperature and other requirements, meets the requirements of customers on the hot water quantity, the hot water temperature, the warm air quantity and the warm air temperature, has an independent modularized plate structure, has fast heat storage and heat release rate, is convenient to assemble, has high efficiency, does not leak, and is safe and reliable; the warm air water heater unit has wide application scene and range, good energy-saving effect and great economic and social benefits.
Description
Technical Field
The utility model relates to the field of heat storage, in particular to a superconductive composite phase-change heat storage plate type warm air and hot water generator unit.
Background
The phase change heat storage is a technology for storing temporary unused or redundant heat energy and reusing the heat energy when needed, is an important technology for improving the energy utilization efficiency and protecting the environment, and has obvious advantages in solar energy, industrial waste heat, waste heat utilization, electric power peak regulation, valley filling and the like, energy conservation, emission reduction, double carbon target realization and the like. The hot air and the hot water are widely used in the production and life of people, such as greenhouse heating, grain drying, life heating, clothes drying, cleaning, spraying, curing and other industrial production projects, and are widely used in industrial production, family life, hotels, buildings, residential communities, business centers and other industrial life business application places, if the phase change heat storage technology can be adopted to directly store the surplus heat, the production heat is provided for users when the users need, a large amount of energy sources can be saved, the energy conservation and emission reduction are realized, and the method has wide market prospect, huge economic benefit and social benefit. The existing phase change heat storage material has the technical problems of small heat conductivity, slow heat storage and heat release rate and large temperature difference, and severely restricts the application of the heat storage technology in production and life.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
In view of the above, it is necessary to provide a superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit to solve the dilemma and technical difficulties faced in the existing phase-change heat storage technology. .
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a superconductive composite phase-change heat-storage plate type warm-air hot-water generator unit, which is used for solving the technical problems of small heat conductivity coefficient, slow heat storage and heat release rate and large temperature difference of the phase-change heat-storage materials faced in the existing phase-change heat storage technology, and severely restricts the wide application of the phase-change heat storage technology.
To achieve the above and other related objects, the present utility model provides a superconducting composite phase-change heat storage plate type warm air and hot water generator unit, including:
the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline;
the fluid heat exchange part is arranged at one end of the first surface of the expansion type heat superconducting plate and comprises a heat exchange part shell, heat exchange part fins, an inflow fluid connector and a fluid connector, wherein the heat exchange part fins and the heat exchange part shell are fixedly connected with the expansion type heat superconducting plate, the heat exchange part fins are cross-flow fins, and are arranged between the heat exchange part shell and the expansion type heat superconducting plate;
the heating part is arranged at the other end of the first surface of the expansion type heat superconducting plate and is used for heating the whole superconducting composite phase change heat storage plate type warm air and hot water generator unit;
the phase-change heat storage part comprises a first phase-change heat storage part and a second phase-change heat storage part, the first phase-change heat storage part is arranged on the first surface of the expansion type thermal superconducting plate and is positioned between the fluid heat exchange part and the heating part, the second phase-change heat storage part is arranged on the second surface of the expansion type thermal superconducting plate, the first phase-change heat storage part and the second phase-change heat storage part both comprise heat storage part shells, heat conducting fins and phase-change heat storage materials, the heat conducting fins are wavy wave-shaped wave-folded fins, are arranged on the expansion type thermal superconducting plate and are fixedly connected with the inner surface of the heat storage part shells, two ends of the heat conducting fins are kept in a gap with the heat storage part shells, the heat storage part shells and the expansion type thermal superconducting plate form a sealed heat storage part cavity, the phase-change heat storage materials are filled in the heat storage part cavity, and the heat conducting fins are arranged in the phase-change materials and are used for increasing the heat conducting performance of the heat storage materials and improving the heat storage and heat release rates of the phase-change materials.
The heat dissipation fins comprise first heat dissipation fins and second heat dissipation fins, the first heat dissipation fins are arranged on the outer surfaces of the fluid heat exchange portion and the first phase change heat storage portion, and the second heat dissipation fins are arranged on the outer surfaces of the second phase change heat storage portion.
Optionally, the heating part comprises an electric heater and a fluid heating part.
Alternatively, when the heating portion is the fluid heating portion, the structure of the fluid heating portion is identical to the structure of the fluid heat exchanging portion.
Optionally, when the heating portion is the fluid heating portion, the first heat dissipation fin is further disposed on an outer surface of the fluid heating portion.
Optionally, the phase change heat storage material is an organic or inorganic solid-liquid phase change heat storage material and is filled in the cavity of the heat storage part; when the phase-change heat storage part stores heat, the phase-change heat storage material is changed from a solid phase to a liquid phase; when the phase-change heat storage part releases heat, the phase-change heat storage material is changed from a liquid phase to a solid phase.
Optionally, the heat exchange portion fins comprise aluminum alloy cross-flow fins; the thickness range of the fins of the heat exchange part is 0.1 mm-1.0 mm; the height range of the fins of the heat exchange part is 2 mm-15 mm.
Optionally, the heat conducting fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin; the distance between two adjacent folds of the heat conducting fin ranges from 2mm to 5mm; the thickness range of the heat conduction fin is 0.1 mm-1.0 mm; the height range of the heat conduction fin is 10 mm-50 mm.
Optionally, the heat dissipation fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the heat dissipation fin ranges from 2mm to 5mm, the thickness of the heat dissipation fin ranges from 0.1mm to 1.0mm, and the height of the heat dissipation fin ranges from 50mm to 100mm.
Optionally, the connection mode of the fluid heat exchange part and the expansion type thermal superconducting plate comprises brazing; the connection mode of the phase change heat storage part and the expansion type thermal superconducting plate comprises brazing; the connection mode of the heating part and the expansion type thermal superconducting plate comprises brazing and screw fastening; the connection mode of the radiating fins and the fluid heat exchange part and the phase change heat storage part comprises brazing.
Optionally, the heat transfer pipeline is a vacuum sealing system, and the heat transfer working medium poured into the heat transfer pipeline is fluid; the distribution shape of the heat transfer pipeline on the expansion type thermal superconducting plate surface is at least one of a circular honeycomb shape, a hexagonal honeycomb shape, a quadrilateral honeycomb shape, a crisscross net shape, a triangle with the head and the tail connected in series and a diamond shape.
As described above, the superconducting composite phase-change heat storage plate type warm air and hot water generator unit has the following beneficial effects:
the expansion type heat superconducting plate is used as a heat conducting main body, the heat conducting rate is high, the temperature uniformity is good, the reliability is high, the cost is low, the heat exchange part fins of the fluid heat exchange part are cross flow fins with high density and low height, the fluid heat convection coefficient is large, the heat exchange area is large, the heat conducting distance is small, the fin efficiency is high, the heat exchange rate is high, the heat exchange capacity is large, the structure is compact, the phase change heat storage material in the phase change heat storage part is filled between the surface of the expansion type heat superconducting plate and the heat storage part shell, and the large-area heat conducting fins are arranged on the expansion type heat superconducting plate and uniformly arranged in the phase change heat storage material; the superconducting composite phase-change heat storage plate type warm air and hot water generator unit has complete functions of heating, heat storage and hot water and warm air supply, can independently or simultaneously supply hot water and warm air, can also be used for connecting and combining preset superconducting composite phase-change heat storage plate type warm air and hot water generator units so as to realize superconducting composite phase-change heat storage type warm air and hot water generators with different heat storage requirements, hot water and warm air volume requirements, temperature requirements and the like, meets the requirements of customers on the temperature, flow and heat storage of hot water, has an independent modularized plate type structure, has fast heat storage and heat release rate, is convenient to assemble, has high efficiency, is safe and reliable, and is safe and reliable; the superconducting composite phase-change heat storage plate type warm-air hot water generator unit can be used for a superconducting composite phase-change heat storage type warm-air hot water generator for solar heat collection, industrial waste heat and waste heat recovery and electric power peak-shifting and valley-filling heat storage, can be used for a distributed or centralized warm-air hot water device for industrial production, family life, hotels, buildings, residential communities, commercial centers and the like, has wide application scenes and ranges, has good energy-saving and environment-friendly effects, and has huge economic and social benefits.
Drawings
Fig. 1 is a schematic structural diagram of a superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit according to an embodiment of the utility model.
Fig. 2 is a cross-sectional view showing a first embodiment of the superconducting composite phase-change heat storage plate type warm-air hot-water generator unit of the utility model.
Fig. 3 shows a partial enlarged view of fig. 2.
Fig. 4 shows a schematic diagram of a structure of a thermal expansion superconducting plate according to the present utility model.
Fig. 5 is a schematic view of a heat exchanger shell structure according to the present utility model.
Fig. 6 is a schematic view of a heat exchanger fin structure according to the present utility model.
Fig. 7 is a schematic structural diagram of a second embodiment of the superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to the present utility model.
Fig. 8 is a schematic structural diagram of a third embodiment of the superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to the present utility model.
Description of element reference numerals
10. Inflation type heat superconducting plate
11. Heat transfer pipeline
12. Liquid injection pipeline
20. Fluid heat exchange part
21. Heat exchange part shell
22. Heat exchanging part fin
31. First phase change heat storage part
32. Second phase change heat storage unit
33. Heat storage section casing
34. Heat conduction fin
35. Phase change heat storage material
41. Electric heating part
42. Fluid heating part
51. First radiating fin
52. Second radiating fin
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
As described in detail in the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of explanation, and the schematic drawings are only examples, which should not limit the scope of the present utility model.
For ease of description, spatially relative terms such as "under", "below", "beneath", "above", "upper" and the like may be used herein to describe one structure or feature's relationship to another structure or feature as illustrated in the figures. It will be understood that these spatially relative terms are intended to encompass other orientations of the device in use or operation in addition to the orientation depicted in the figures. Furthermore, when a layer is referred to as being "between" two layers, it can be the only layer between the two layers or one or more intervening layers may also be present. As used herein, "between … …" is meant to include both endpoints.
In the context of the present utility model, a structure described as a first feature being "on" a second feature may include embodiments where the first and second features are formed in direct contact, as well as embodiments where additional features are formed between the first and second features, such that the first and second features may not be in direct contact.
Please refer to fig. 1 to 8. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings rather than the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
Example 1
As shown in fig. 1 to 6, the present embodiment provides a superconducting composite phase-change heat storage plate type warm-air hot-water generator unit, which includes:
the thermal superconducting device comprises a thermal superconducting inflation plate 10, wherein the thermal superconducting inflation plate 10 comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline 11 which is mutually communicated and provided with network-shaped bulges, a heat transfer working medium is poured into the heat transfer pipeline 11 and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the whole surface of the thermal superconducting inflation plate 10 along the heat transfer pipeline 11;
a fluid heat exchange portion 20, where the fluid heat exchange portion 20 is disposed at one end of the first surface of the inflatable heat superconducting plate 10, the fluid heat exchange portion 20 includes a heat exchange portion housing 21, a heat exchange portion fin 22, an inlet fluid joint and a outlet fluid joint, the heat exchange portion fin 22 and the heat exchange portion housing 21 are fixedly connected with the inflatable heat superconducting plate 10, and the heat exchange portion fin 22 is a cross-flow fin and is disposed between the heat exchange portion housing 21 and the inflatable heat superconducting plate 10;
a heating part, which is arranged at the other end of the first surface of the expansion type heat superconducting plate 10 and is used for heating the whole superconducting composite phase change heat storage plate type warm air and hot water generator unit;
the phase-change heat storage part comprises a first phase-change heat storage part 31 and a second phase-change heat storage part 32, the first phase-change heat storage part 31 is arranged on the first surface of the expansion type heat superconducting plate 10 and is positioned between the fluid heat exchange part 20 and the heating part, the second phase-change heat storage part 32 is arranged on the second surface of the expansion type heat superconducting plate 10, the first phase-change heat storage part 31 and the second phase-change heat storage part 32 comprise a heat storage part shell 33, heat conducting fins 34 and a phase-change heat storage material 35, the heat conducting fins 34 are wavy wave-folded fins, are arranged on the expansion type heat superconducting plate 10 and are fixedly connected with the inner surface of the heat storage part shell 33, two ends of the heat conducting fins 34 are kept in a gap with the heat storage part shell 33, the heat storage part shell 33 and the expansion type heat superconducting plate 10 form a sealed heat storage part cavity, the phase-change material 35 is filled in the heat storage part cavity, the heat conducting fins 34 are arranged in the heat storage part shell 35, and the heat conducting fins 35 are used for improving the heat radiation rate of the phase-change heat storage material 35 and the heat storage material uniformly;
the heat dissipation fins include a first heat dissipation fin 51 and a second heat dissipation fin 52, the first heat dissipation fin is disposed on the outer surfaces of the fluid heat exchange portion 20 and the first phase change heat storage portion 31, and the second heat dissipation fin 52 is disposed on the outer surface of the second phase change heat storage portion 32.
It should be noted that, the two opposite sides of the expansion type heat superconducting plate 10 may have the network-shaped heat transfer pipes 11 that are mutually connected, and may be a convex surface, and the other two opposite sides may have the network-shaped heat transfer pipes 11 that are mutually connected, and are both convex surfaces, because the PCI heat superconducting plate 10 is a thin plate type device, and the heat flux density is high, in order to make the heat exchanging portion fins 22 of the fluid heat exchanging portion 20 and the expansion type heat superconducting plate 10 completely tightly combine to improve the heat exchanging efficiency, in this embodiment, the rolling and expansion process is used, only one side has the protrusion of the network-shaped heat transfer pipes 11 that are mutually connected, that is, the first side of the expansion type heat superconducting plate 10 is a plane, and the second side is the convex surface of the network-shaped heat transfer pipes 11 that are mutually connected. The fluid heat exchanging portion 20, the heating portion and the first phase change heat accumulating portion 31 are all disposed on a plane, which is a first surface of the thermal superconducting plate 10, and the second phase change heat accumulating portion 32 is disposed on a convex surface, which is a second surface of the thermal superconducting plate 10 and is provided with the heat transfer pipeline 11. The fluid heat exchange part 20 and the heating part are both arranged on the plane of the expansion type thermal superconducting plate 10, which is helpful for increasing the contact area with the expansion type thermal superconducting plate 10, reducing the contact thermal resistance and improving the heat exchange efficiency.
The working principle of the superconducting composite phase-change heat accumulating plate type warm air and hot water generator unit is as follows: the heat generated by the heating part is conducted to the heat transfer working medium in the heat transfer pipeline 11 at the joint with the expansion type heat superconducting plate 10 through heat conduction, the heat transfer working medium rapidly conducts the heat to the whole other surfaces of the expansion type heat superconducting plate 10 along the mutually communicated network-shaped heat transfer pipeline 11, a part of the heat is conducted to the first phase change heat storage part 31 and the second phase change heat storage part 32 from the surfaces of the expansion type heat superconducting plate 10, and then is conducted to the phase change heat storage material 35 through the heat conduction fins 34, the temperature of the phase change heat storage material 35 absorbs the heat to rise, the phase change heat storage material 35 begins to absorb heat to melt after reaching the phase change temperature, the phase change heat storage material 35 gradually changes from solid to liquid, the temperature remains unchanged in the heat absorption and melting process, and the temperature begins to rise after the phase change heat storage material 35 is completely melted, and the heat storage process of the phase change material is completed at the moment. During the phase change heat storage process, a part of heat is transferred to the heat radiating fins through the heat conducting fins 34 and the heat storage part shell 23, and is used for heating the air flowing through the heat radiating fins to generate warm air; meanwhile, another part of heat is conducted from the joint of the expansion type heat superconducting plate 10 and the fluid heat exchange part 20 to the heat exchange part fins 22 of the fluid heat exchange part 20, and is used for heating cold water flowing through the heat exchange part fins 22 to generate hot water, the cold water flows in from the fluid inlet joint of the fluid heat exchange part 20, flows with the heat exchange part fins 22 in the fluid heat exchange part 20 and performs convection heat exchange, the cold water absorbs heat and rises in temperature to become hot water, and finally flows out from the fluid joint of the fluid heat exchange part 20.
The expansion type heat superconducting plate 10 in the superconducting composite phase change heat storage plate type warm air and hot water generator unit is used as a heat conducting main body, and has the advantages of high heat conducting rate, good temperature uniformity, high reliability and low cost; the heat exchange part fins 22 of the fluid heat exchange part 20 are high-density low-height heat transfer enhancement cross-flow fins, and have the advantages of large fluid convection heat exchange coefficient, large heat exchange area, small heat conduction distance, high fin efficiency, high heat exchange rate, large heat exchange capacity and compact structure; the phase-change heat storage material 35 in the phase-change heat storage part is filled between the surface of the expansion type heat superconducting plate 10 and the heat storage part shell 33, the high-density heat conduction fins 34 are arranged on the expansion type heat superconducting plate 10 and uniformly arranged in the phase-change heat storage material 35, the heat conduction path is short, the speed is high, the heat efficiency is high, the structure is compact, and the technical problems of high heat conduction resistance, large temperature difference, low heat absorption melting and heat release solidification speed and the like caused by small heat conduction coefficient of the phase-change heat storage material 35 are solved; the superconductive composite phase-change heat storage plate type warm-air hot-water generator unit has complete functions of heating, heat storage and hot-water and warm-air supply, can independently or simultaneously supply hot-water and warm-air, and can also connect and combine preset superconductive composite phase-change heat storage plate type warm-air hot-water generator units so as to realize superconductive composite phase-change heat storage type warm-air hot-water generators with different heat storage capacity, hot-water yield, warm-air yield and other requirements, thereby meeting the requirements of customers on the temperature, flow and heat storage capacity of heat and hot air, realizing an independent modularized plate type structure, and having fast heat storage and heat release rate, convenient assembly, high efficiency, no leakage, safety and reliability.
As an example, the connection between the fluid heat exchanging part 20 and the expansion type thermal superconducting plate 10 includes brazing; the connection mode of the phase change heat storage part and the expansion type heat superconducting plate 10 comprises brazing; the connection mode of the heating part and the expansion type thermal superconducting plate 10 comprises brazing and screw fastening; the connection mode of the heat dissipation fin and the fluid heat exchange portion 20 and the phase change heat storage portion includes brazing.
In this embodiment, most of the connection methods are soldering, and a solder with a low melting point is used to heat and melt the two components to be connected together, and then the two components are filled with a liquid solder. The fluid heat exchanging portion 20, which is brazed to the thermal expansion superconducting plate 10, is the heat exchanging portion case 21 and the heat exchanging portion fins 23. The phase change heat storage part in braze joint with the expansion type heat superconducting plate 10 is the heat storage part shell 33 and the heat conducting fins 34, wherein the heat conducting fins 33 are directly brazed on the surface of the expansion type heat superconducting plate 10 and are positioned in the phase change heat storage material 35, so that the heat conduction path is short, the heat conduction rate is high, the heat efficiency is high in the heat storage and release process, and the technical problems that the heat conduction thermal resistance is high, the heat storage and release rate is slow, the temperature difference is large and the like due to the fact that the heat conduction coefficient of the phase change heat storage material 35 is small are solved. The phase-change heat storage portion includes the first phase-change heat storage portion 31 and the second phase-change heat storage portion 32, the first phase-change heat storage portion 31 is soldered to the first surface of the planar thermal superconducting plate 10, and the second phase-change heat storage portion 32 is soldered to the second surface of the convex surface of the thermal superconducting plate 10. The fluid heat exchange portion 20 brazed to the first heat radiating fin 51 is the heat exchange portion housing 21, and the first phase change heat storage portion 31 brazed to the first heat radiating fin 51 is the heat storage portion housing 33.
In this embodiment, the heating portion is an electric heater 41, the heating portion is connected by a power wire, and is used for heating and inputting heat to the whole superconducting composite phase change heat storage plate type hot air and hot water generator unit, the electric heating portion 41 is located at the lower end of the first surface of the expansion type heat superconducting plate 10, and the fluid heat exchange portion 20 is disposed at the upper end of the first surface of the expansion type heat superconducting plate 10. In addition, the electric heating portion 41 is fixedly connected with the expansion type thermal superconducting plate 10 through a heat conducting interface material and screws, the width of the electric heater 41 is slightly smaller than that of the PCI thermal superconducting plate 10, and the thickness of the electric heater is slightly smaller than that of the fluid heat exchanging portion 20.
As shown in fig. 5 to 6, the heat exchanging portion fins 22 include aluminum alloy cross-flow fins as an example; the thickness of the heat exchanging portion fins 22 is in the range of 0.1mm to 1.0mm, for example, 0.1mm, 0.2mm, 0.4mm, 0.6mm, 0.8mm, 1mm; the height of the heat exchanging portion fins 22 may be in the range of 2mm to 15mm, for example, 2mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 15mm.
The aluminum alloy cross flow fins are reinforced heat conduction heat exchange fins with high density and low height, and in the embodiment, the aluminum alloy cross flow fins are connected with the expansion type heat superconducting plate 10, so that the heat exchange efficiency of the aluminum alloy cross flow fins is high, the heat exchange area is large, the heat conduction distance is small, the fin efficiency is high, the heat exchange rate is high, the heat exchange capacity is high, and the structure is compact.
As shown in fig. 3, the heat conducting fin 34 includes an aluminum corrugated fin and an aluminum alloy corrugated fin, which may be selected according to actual needs; the distance between two adjacent folds of the heat conducting fin 34 ranges from 2mm to 5mm, for example, the distance can be 2mm, 3mm, 4mm or 5mm; the thickness of the heat conducting fin 34 ranges from 0.1mm to 1.0mm, for example, 0.1mm, 0.3mm, 0.5mm, 0.7mm, 1mm; the height of the heat conducting fin 34 ranges from 10mm to 50mm, and for example, the height can be 10mm, 20mm, 30mm, 40mm and 50mm.
It should be noted here that the spacing, thickness and height between each corrugation of the heat conducting fins 34 should be uniform, so that the uniformity is maintained during heat conduction in addition to the convenience of processing. As an example, the phase change heat storage material 35 is an organic or inorganic solid-liquid phase change heat storage material, and is filled in the heat storage portion cavity; when the phase change heat storage portion stores heat, the phase change heat storage material 35 is changed from a solid phase to a liquid phase; when the phase-change heat storage portion releases heat, the phase-change heat storage material 35 is changed from a liquid phase to a solid phase.
The phase-change heat storage material 35 absorbs a large amount of heat with a small volume and weight by utilizing the latent heat of phase change at its own phase-change temperature, stores the heat, and maintains the temperature unchanged during the heat storage. The heat storage amount and the heat storage temperature of the superconducting composite phase-change heat storage plate type warm-air water heater unit of the present embodiment are related to the amount and thermophysical properties of the filled phase-change heat storage material 35. The thermal physical properties are specific gravity, latent heat of phase change, phase change temperature, thermal conductivity, and the like of the phase change heat storage material 35.
In this embodiment, the phase-change heat storage material 35 is preferably paraffin and is filled in the cavity of the heat storage portion, so that the heat conduction rate is high and the efficiency is high.
As an example, the heat dissipation fins include aluminum corrugated fins and aluminum alloy corrugated fins, which can be selected according to actual needs; the distance between two adjacent folds of the radiating fin ranges from 2mm to 5mm, for example, the distance can be 2mm, 3mm, 4mm and 5mm; the thickness of the radiating fin ranges from 0.1mm to 1.0mm, for example, the radiating fin can be 0.1mm, 0.3mm, 0.5mm, 0.7mm and 1mm; the height of the radiating fins ranges from 50mm to 100mm, and can be 50mm, 60mm, 70mm, 80mm, 90mm and 100mm, for example.
It should be noted that the distance, thickness and height between each corrugation of the heat dissipation fin should be kept consistent, so that the processing is convenient, and the expansion type heat superconducting plate 10 is also beneficial to heat convection between itself and the heat dissipation fin and cold air, the cold air absorbs heat and heats up to become hot air, and the heat dissipation rate is improved.
In this embodiment, as shown in fig. 4, the heat transfer medium is preferably a mixture of liquid and gas, and the proportion of the liquid in the space of the heat transfer pipeline 11 ranges from 10% to 50%, for example, may be 10%, 20%, 30%, 40%, 50%. The heat transfer pipelines 11 are communicated and sealed and distributed on the surface of the expansion type heat superconducting plate 10, so that the temperature of the surface of the expansion type heat superconducting plate 10 is uniform, the heat transfer rate is high, the heat transfer efficiency is up to 95%, and the heat transfer efficiency and the heat transfer capacity of the PCI heat superconducting plate 10 are ensured and improved by the vacuum sealing environment. Of course, one surface of the PCI thermal superconducting plate provided with the heat transfer pipeline 11 is also provided with a liquid injection pipeline 12 communicated with the heat transfer pipeline 11 for extracting non-condensable gas and injecting the heat transfer working medium.
As an example, the heat transfer pipeline 11 is a vacuum sealing system, and the heat transfer working medium poured into the heat transfer pipeline is fluid; the distribution shape of the heat transfer pipeline 11 on the expansion type thermal superconducting plate 10 is at least one of circular honeycomb, hexagonal honeycomb, quadrilateral honeycomb, crisscross net, triangle with head connected in series and diamond. The distribution shape of the heat transfer line 11 may be selected according to practical needs, and is not limited herein.
Example two
As shown in fig. 7, this embodiment provides a superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit, which is different from the first embodiment in that the heating portion is a fluid heating portion 42, the structure of the fluid heating portion 42 is identical to that of the fluid heat exchange portion 20, the heat source of the fluid heating portion 42 is low-grade energy waste heat such as solar heat and industrial waste heat, the fluid heating portion 32 is used for providing heating heat for the whole superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit, the width of the fluid heating portion 32 is identical to that of the PCI heat superconducting plate 10, the thickness is identical to that of the fluid heat exchange portion 20, and an inlet and outlet connecting pipe for inlet and outlet of external heating fluid is arranged on one side.
The operation principle process of the phase-change heat storage and the phase-change heat release in the present embodiment is similar to the embodiment, except that the heat of the phase-change heat storage process and the heat of the hot water and the warm air are provided by the external heat supply fluid through the fluid heating part 42.
Example III
As shown in fig. 8, this embodiment provides a superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit, which is different from the second embodiment in that the first heat dissipating fins 51 are further disposed on the outer surface of the fluid heating portion 42.
In this embodiment, the area of the first heat dissipating fin 51 is enlarged, and the enlarged area is directly disposed on the fluid heating portion 42, so that the air flowing through the first heat dissipating fin 51 is heated to generate more warm air.
Example IV
The embodiment provides a superconductive composite phase-change heat accumulating type hot-air and hot-water generator device, which can be realized by adopting any one or two of the superconductive composite phase-change heat accumulating plate type hot-air and hot-water generator units in the above embodiment in a serial, parallel or serial-parallel combination mode, so as to meet the requirements of customers on the temperature and flow of produced hot water and hot air.
The superconducting composite phase-change heat accumulating type warm air and hot water generator device of the embodiment can connect and combine preset superconducting composite phase-change heat accumulating plate type warm air and hot water generator units to realize superconducting composite phase-change heat accumulating type warm air and hot water generators with different heat accumulating capacity and requirements on warm air, hot water and the like, meets the requirements of customers on the temperature, flow and heat accumulating capacity of the hot water and the hot water, has an independent modularized plate type structure, has fast heat accumulating and heat releasing rate, is convenient to assemble, has high efficiency, is not leaked, and is safe and reliable; the superconducting composite phase-change heat-accumulating plate type warm-air hot-water generator unit can be widely applied to a superconducting composite phase-change heat-accumulating type warm-air hot-water generator with solar heat collection, industrial waste heat and waste heat recovery and electric power peak-staggering and valley-filling, and can also be widely applied to a distributed or centralized superconducting composite phase-change heat-accumulating type warm-air hot-water device for industrial production, family life, hotels, buildings, residential communities, commercial centers and the like, and has wide application scenes and range, good energy-saving and environment-friendly effects and huge economic and social benefits.
In summary, the present utility model provides a superconducting composite phase-change heat storage plate type hot-air and hot-water generator unit, which includes: the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline; the fluid heat exchange part is arranged at one end of the first surface of the expansion type heat superconducting plate and comprises a heat exchange part shell, heat exchange part fins, an inflow fluid connector and a fluid connector, wherein the heat exchange part fins and the heat exchange part shell are fixedly connected with the expansion type heat superconducting plate, the heat exchange part fins are cross-flow fins, and are arranged between the heat exchange part shell and the expansion type heat superconducting plate; the heating part is arranged at the other end of the first surface of the expansion type heat superconducting plate and is used for providing heat for the whole superconducting composite phase change heat storage plate type warm air and hot water generator unit; the phase-change heat storage part comprises a first phase-change heat storage part and a second phase-change heat storage part, the first phase-change heat storage part is arranged on the first surface of the expansion type thermal superconducting plate and is positioned between the fluid heat exchange part and the heating part, the second phase-change heat storage part is arranged on the second surface of the expansion type thermal superconducting plate, the first phase-change heat storage part and the second phase-change heat storage part both comprise heat storage part shells, heat conducting fins and phase-change heat storage materials, the heat conducting fins are wavy wave-shaped wave-folded fins, are arranged on the expansion type thermal superconducting plate and are fixedly connected with the inner surface of the heat storage part shells, two ends of the heat conducting fins are kept in a gap with the heat storage part shells, the heat storage part shells and the expansion type thermal superconducting plate form a sealed heat storage part cavity, the phase-change heat storage materials are filled in the heat storage part cavity, and the heat conducting fins are arranged in the phase-change materials and are used for increasing the heat conducting performance of the heat storage materials and improving the heat storage and heat release rates of the phase-change materials. The heat dissipation fins comprise first heat dissipation fins and second heat dissipation fins, the first heat dissipation fins are arranged on the outer surfaces of the fluid heat exchange portion and the first phase change heat storage portion, and the second heat dissipation fins are arranged on the outer surfaces of the second phase change heat storage portion. The expansion type heat superconducting plate is used as a heat conducting main body, the heat conducting speed is high, the temperature uniformity is good, the reliability is high, the cost is low, the heat exchange part fins of the fluid heat exchange part are cross flow fins with high density and low height, the fluid heat convection coefficient is large, the heat exchange area is large, the heat conducting distance is small, the fin efficiency is high, the heat exchange speed is high, the heat exchange capacity is large, the structure is compact, the phase change heat storage material in the phase change heat storage part is filled between the surface of the expansion type heat superconducting plate and the heat storage part shell, and the large-area heat conducting fins are arranged on the expansion type heat superconducting plate and uniformly arranged in the phase change heat storage material; the superconducting composite phase-change heat storage plate type warm air and hot water generator unit has complete functions of heating, heat storage and hot water and warm air supply, can independently or simultaneously supply hot water and warm air, can also be used for connecting and combining preset superconducting composite phase-change heat storage plate type warm air and hot water generator units so as to realize superconducting composite phase-change heat storage type warm air and hot water generators with different heat storage capacity requirements, meets the requirements of customers on the temperature, flow and heat storage capacity of hot air and hot water, has an independent modularized plate type structure, is fast in heat storage and heat release rate, convenient to assemble, high in efficiency, free of leakage, safe and reliable; the superconducting composite phase-change heat storage plate type warm-air hot-water generator unit can be widely applied to a solar heat collection, industrial waste heat and waste heat recovery, electric power peak-shifting and valley-filling heat storage superconducting composite phase-change heat storage type warm-air hot-water generator, and can also be widely applied to a distributed or centralized superconducting composite phase-change heat storage type warm-air hot-water device for industrial production, family life, hotels, buildings, residential communities, business centers and the like, a large amount of energy sources can be saved, a double-carbon target is realized in energy conservation and emission reduction, and the superconducting composite phase-change heat storage type warm-air hot-water generator unit has wide application scene and range, and huge economic and social benefits. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. The superconductive composite phase-change heat-storage plate type warm air and hot water generator unit is characterized by comprising:
the expansion type heat superconducting plate comprises a first surface and a second surface which are opposite, at least one surface is provided with a heat transfer pipeline with mutually communicated network-shaped bulges, a heat transfer working medium is filled in the heat transfer pipeline and is isolated and sealed from the outside, and the heat transfer working medium is used for rapidly conducting heat to the surface of the whole expansion type heat superconducting plate along the heat transfer pipeline;
the fluid heat exchange part is arranged at one end of the first surface of the expansion type heat superconducting plate and comprises a heat exchange part shell, heat exchange part fins, an inflow fluid connector and a fluid connector, wherein the heat exchange part fins and the heat exchange part shell are fixedly connected with the expansion type heat superconducting plate, the heat exchange part fins are cross-flow fins, and are arranged between the heat exchange part shell and the expansion type heat superconducting plate;
the heating part is arranged at the other end of the first surface of the expansion type heat superconducting plate and is used for heating the whole superconducting composite phase change heat storage plate type warm air and hot water generator unit;
the phase-change heat storage part comprises a first phase-change heat storage part and a second phase-change heat storage part, the first phase-change heat storage part is arranged on the first surface of the expansion type thermal superconducting plate and is positioned between the fluid heat exchange part and the heating part, the second phase-change heat storage part is arranged on the second surface of the expansion type thermal superconducting plate, the first phase-change heat storage part and the second phase-change heat storage part both comprise heat storage part shells, heat conducting fins and phase-change heat storage materials, the heat conducting fins are wavy wave-shaped wave-folded fins, are arranged on the expansion type thermal superconducting plate and are fixedly connected with the inner surface of the heat storage part shells, two ends of the heat conducting fins are kept in a gap with the heat storage part shells, the heat storage part shells and the expansion type thermal superconducting plate form a sealed heat storage part cavity, the phase-change heat storage materials are filled in the heat storage part cavity, and the heat conducting fins are arranged in the phase-change materials and are used for increasing the heat conducting performance of the heat storage materials and improving the heat storage and heat release rates of the phase-change materials.
The heat dissipation fins comprise first heat dissipation fins and second heat dissipation fins, the first heat dissipation fins are arranged on the outer surfaces of the fluid heat exchange portion and the first phase change heat storage portion, and the second heat dissipation fins are arranged on the outer surfaces of the second phase change heat storage portion.
2. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the heating part comprises an electric heater and a fluid heating part.
3. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 2, wherein: when the heating part is the fluid heating part, the structure of the fluid heating part is identical to that of the fluid heat exchanging part.
4. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 2, wherein: when the heating part is the fluid heating part, the first radiating fins are also arranged on the outer surface of the fluid heating part.
5. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the phase change heat storage material is an organic or inorganic solid-liquid phase change heat storage material and is filled in the heat storage part cavity; when the phase-change heat storage part stores heat, the phase-change heat storage material is changed from a solid phase to a liquid phase; when the phase-change heat storage part releases heat, the phase-change heat storage material is changed from a liquid phase to a solid phase.
6. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the heat exchange part fins comprise aluminum alloy cross-flow fins; the thickness range of the fins of the heat exchange part is 0.1 mm-1.0 mm; the height range of the fins of the heat exchange part is 2 mm-15 mm.
7. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the heat conduction fins comprise aluminum corrugated fins and aluminum alloy corrugated fins; the distance between two adjacent folds of the heat conducting fin ranges from 2mm to 5mm; the thickness range of the heat conduction fin is 0.1 mm-1.0 mm; the height range of the heat conduction fin is 10 mm-50 mm.
8. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the radiating fin comprises an aluminum corrugated fin and an aluminum alloy corrugated fin, the distance between two adjacent corrugated fins of the radiating fin ranges from 2mm to 5mm, the thickness of the radiating fin ranges from 0.1mm to 1.0mm, and the height of the radiating fin ranges from 50mm to 100mm.
9. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the connection mode of the fluid heat exchange part and the expansion type thermal superconducting plate comprises brazing; the connection mode of the phase change heat storage part and the expansion type thermal superconducting plate comprises brazing; the connection mode of the heating part and the expansion type thermal superconducting plate comprises brazing and screw fastening; the connection mode of the radiating fins and the fluid heat exchange part and the phase change heat storage part comprises brazing.
10. The superconducting composite phase-change heat storage plate type warm-air hot-water generator unit according to claim 1, wherein: the heat transfer pipeline is a vacuum sealing system, and the heat transfer working medium poured into the heat transfer pipeline is fluid; the distribution shape of the heat transfer pipeline on the expansion type thermal superconducting plate is at least one of a circular honeycomb shape, a hexagonal honeycomb shape, a quadrilateral honeycomb shape, a crisscross net shape, a triangle with the head and the tail connected in series and a diamond shape.
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| CN202320641038.1U CN219607808U (en) | 2023-03-28 | 2023-03-28 | Superconductive composite phase-change heat accumulating plate type warm air and hot water generator unit |
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| CN202320641038.1U CN219607808U (en) | 2023-03-28 | 2023-03-28 | Superconductive composite phase-change heat accumulating plate type warm air and hot water generator unit |
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