CN220471915U - Heat storage water tank for packaging multi-layer spherical phase change capsules - Google Patents
Heat storage water tank for packaging multi-layer spherical phase change capsules Download PDFInfo
- Publication number
- CN220471915U CN220471915U CN202321965186.5U CN202321965186U CN220471915U CN 220471915 U CN220471915 U CN 220471915U CN 202321965186 U CN202321965186 U CN 202321965186U CN 220471915 U CN220471915 U CN 220471915U
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- Prior art keywords
- heat storage
- storage box
- water tank
- heat
- phase change
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 88
- 238000005338 heat storage Methods 0.000 title claims abstract description 69
- 239000002775 capsule Substances 0.000 title claims abstract description 53
- 230000008859 change Effects 0.000 title claims abstract description 40
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 12
- 239000012782 phase change material Substances 0.000 claims abstract description 14
- 230000007704 transition Effects 0.000 claims abstract description 10
- 238000005538 encapsulation Methods 0.000 claims abstract description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 8
- 239000008400 supply water Substances 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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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- Central Heating Systems (AREA)
Abstract
The utility model provides a heat storage water tank for packaging a multi-layer spherical phase change capsule, and particularly relates to the technical field of solar heat utilization. The utility model provides a heat storage water tank of encapsulation multilayer spherical phase transition capsule, includes heat storage box, bottom flow equalizing plate, supporter and spherical phase transition capsule, and the heat storage box is the cylinder, and heat storage box left side is provided with the collector water inlet, and heat storage box upper portion left side is provided with the collector delivery port, and heat storage box bottom is provided with the heat supply water return mouth, and heat storage box right side is provided with two heat supply water inlets, is provided with the multilayer supporter in the heat storage box. The utility model has the beneficial effects that: the phase change material has high energy storage density, and can store more heat than water under the same volume, so that the occupied area of the water tank is reduced, and the heat dissipation of the water tank to the surrounding environment is reduced. The addition of the phase change material can keep the outlet water temperature at a higher temperature for a longer time, and improve the temperature layering of the water tank, so that the heating is more stable and reliable.
Description
Technical Field
The utility model mainly relates to the technical field of solar heat utilization, in particular to a heat storage water tank for packaging a multi-layer spherical phase change capsule.
Background
The solar energy heat-storage and regulation device has rich solar energy resources, and is applied to rural clean heating to achieve good energy conservation and environmental protection, but due to the characteristics of intermittence and low energy density of solar energy utilization, the problem of unstable energy supply is solved by arranging the heat-storage and regulation device.
The existing heat storage modes mainly comprise sensible heat storage, latent heat storage and chemical energy storage, and the phase change energy storage is to store and utilize a large amount of heat by absorbing or releasing a large amount of heat when the phase change material changes in physical state.
The water is used as a main heat storage medium of the existing solar heat storage water tank, has the advantages of low price, easy obtainment and the like, but the energy storage density of the water is low, the occupied area of the water tank is overlarge under the condition of ensuring to store enough energy, the volume of the water tank is increased, the cost of the water tank is increased, the heat dissipation capacity of the water tank is increased, and the temperature change of the water in the heat storage process is relatively large, so that the heat storage and release process is unstable; the phase change material is applied to the heat storage water tank, so that the energy storage density of the water tank can be improved, the volume of the water tank is reduced, and under the condition of storing the same heat, the temperature of the water tank is also lower than that of the water tank taking water as a single heat storage medium due to the fact that the phase change material has higher phase change latent heat, so that the heat dissipation capacity of the water tank to the environment is reduced, and the sustainability and reliability of heat supply are improved. The water in the water tank has vertical difference due to temperature, namely temperature layering phenomenon, the high-temperature water can rise to the upper part of the water tank due to low density, the low-temperature water sinks to the bottom of the water tank, the utilized hot water quantity can be increased by utilizing the temperature layering phenomenon, auxiliary heating quantity is reduced, meanwhile, the inlet temperature of the heat collector can be reduced, the heat utilization rate of the solar heat collector is improved, and therefore, how to better utilize the temperature layering phenomenon is also the key of heat utilization of the heat storage water tank.
The existing design of the phase-change heat storage water tank improves the energy storage density of the water tank, but the heat exchange process of water in the water tank and the phase-change material and the combination of different phase-change material temperatures are not analyzed together, so that the water tank can be further optimized. In order to overcome the characteristics of low energy storage density and large temperature difference change of a solar heat storage water tank, reduce the occupied area of the water tank, improve the temperature layering of the water tank and improve the energy utilization rate, the utility model provides a heat storage water tank for packaging a multi-layer spherical phase change capsule.
Disclosure of Invention
On the basis of analyzing the heat exchange process of water in the water tank and the phase-change material by the water tank, the utility model provides a heat storage water tank for packaging multi-layer spherical phase-change capsules, which aims to solve the defects in the prior art and realizes efficient storage and utilization of heat by changing the spherical diameters and the phase-change temperatures of the phase-change capsules with different heights.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
the utility model provides a heat storage water tank of encapsulation multilayer spherical phase change capsule, includes heat storage box, bottom flow equalizing plate, supporter and spherical phase change capsule, the heat storage box is the cylinder, heat storage box bottom is provided with the bottom flow equalizing plate, be provided with the multilayer supporter in the heat storage box, be provided with on the supporter and put thing hole and lead to the water hole, be provided with spherical phase change capsule on the supporter, spherical phase change capsule adopts equidimension on the multilayer supporter, heat storage box left side is provided with the collector water inlet, heat storage box upper portion left side is provided with the collector delivery port, heat storage box bottom is provided with the heat supply water return mouth, heat storage box right side is provided with two heat supply water inlets.
The diameter of the spherical phase change capsule placed at the upper part of the heat storage box body is smaller than that of the spherical phase change capsule placed at the lower part.
The phase transition temperature of the spherical phase transition capsule placed in the heat storage box body is 40-80 ℃.
The phase transition temperature of the spherical phase transition capsule placed at the upper part of the heat storage box body is higher than that at the lower part.
The spherical phase-change capsule shell is made of polyethylene, and the spherical phase-change capsule is made of filled phase-change materials which are paraffin with different phase-change temperatures.
Compared with the prior art, the utility model has the beneficial effects that:
1. the phase change material has high energy storage density, and can store more heat than water under the same volume, so that the occupied area of the water tank is reduced, and the heat dissipation of the water tank to the surrounding environment is reduced.
2. The addition of the phase change material can keep the outlet water temperature at a higher temperature for a longer time, and improve the temperature layering of the water tank, so that the heating is more stable and reliable. The heat supply outlet section of the water tank has the advantages that the heat exchange temperature difference between the phase change capsule and water is large, the diameter is smaller, the heat exchange rate is high, and the heat utilization sustainability and reliability of a user can be improved. The phase-change capsules in the water tank are arranged according to the phase-change temperature in a layered mode, the thermal layering effect of the water tank can be improved, the energy utilization rate of the water tank is increased, and compared with other heat storage modes of the water tank, the design is low in cost and higher in application possibility in rural areas.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
The reference numbers shown in the drawings: 1. a heat storage tank; 2. a bottom flow equalizing plate; 3. a commodity shelf; 4. spherical phase-change capsules; 5. a water inlet of the heat collector; 6. a water outlet of the heat collector; 7. a heat supply water return port; 8. and a heat supply water inlet.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets, welding, pasting and the like in the prior art, and meanwhile, in order to clearly express the connection relation and working principle among the components, the drawings of the specification are arranged and drawn in a mode of a mechanism motion diagram, and are not described in detail.
As shown in fig. 1, a heat storage water tank for packaging multi-layer spherical phase change capsules comprises a heat storage box body, a bottom flow equalizing plate 2, a storage rack 3 and spherical phase change capsules 4, wherein the heat storage box body 1 is a cylinder, the bottom of the heat storage box body 1 is provided with the bottom flow equalizing plate 2, the heat storage box body 1 is internally provided with the multi-layer storage rack 3, the storage rack 3 is provided with a storage hole and a water through hole, the storage rack 3 is provided with the spherical phase change capsules 4, the spherical phase change capsules 4 are uniformly arranged on the multi-layer storage rack 3 in different sizes, the left side of the heat storage box body 1 is provided with a heat collector water inlet 5, the left side of the upper part of the heat storage box body 1 is provided with a heat collector water outlet 6, the bottom of the heat storage box body 1 is provided with a heat supply water return 7, and the right side of the heat storage box body 1 is provided with two heat supply water inlets 8.
Further, the diameter of the spherical phase change capsule 4 placed at the upper part of the heat storage box body 1 is smaller than that of the spherical phase change capsule at the lower part.
Further, the spherical phase change capsule 4 placed in the heat storage tank 1 has a phase change temperature of 40 ℃ to 80 ℃.
Further, the spherical phase change capsule 4 placed at the upper part of the heat storage box 1 has a phase change temperature higher than that of the lower part.
As an optimization, the shell of the spherical phase-change capsule 4 is made of polyethylene, and the spherical phase-change capsule 4 is made of paraffin with different phase-change temperatures by adopting filled phase-change materials.
The heat storage tank part has the following structural functions:
the bottom flow equalizing plate can uniformly disperse inlet water flow, so that the heat exchange area of water and the phase change capsules is increased, the pressure of the inlet water flow on the heat storage water tank is reduced, and the damage to the temperature stratification of the heat storage water tank is reduced; the supporter can make spherical phase change capsule even arrangement in the heat storage tank, has avoided the heat transfer area that the accumulation of spherical phase change capsule caused to reduce and to the hindrance of heat medium flow.
The spherical phase change capsule on the upper part of the heat storage water tank has small diameter, so that the surface area is larger, the heat exchange rate of the phase change capsule and water is faster, more phase change materials can be placed on the upper part of the heat storage water tank, the stored energy is increased, the temperature layering of the heat storage water tank can be enhanced, and the solar energy utilization rate of the system is improved.
Spherical phase-change capsules with the packaging phase-change temperature of 40 ℃ to 60 ℃ are selected to be placed at the lower part of a heat storage water tank, and the obtained hot water can be used for floor radiant heating: spherical phase-change capsules with the packaging phase-change temperature of 60-80 ℃ are arranged on the upper part of a water tank, and the obtained hot water can be used for heating of a radiator.
Claims (5)
1. The utility model provides a thermal storage water tank of encapsulation multilayer spherical phase transition capsule, includes thermal storage box (1), bottom flow equalizing plate (2), supporter (3) and spherical phase transition capsule (4), a serial communication port, thermal storage box (1) is the cylinder, thermal storage box (1) bottom is provided with bottom flow equalizing plate (2), be provided with multilayer supporter (3) in thermal storage box (1), be provided with put thing hole and limber hole on supporter (3), be provided with spherical phase transition capsule (4) on supporter (3), spherical phase transition capsule (4) adopt equidimension on multilayer supporter (3), thermal storage box (1) left side is provided with collector water inlet (5), thermal storage box (1) upper portion left side is provided with collector delivery port (6), thermal storage box (1) bottom is provided with heat supply back water inlet (7), thermal storage box (1) right side is provided with two water inlet (8).
2. The heat storage water tank for packaging the multi-layer spherical phase change capsule according to claim 1, wherein the diameter of the spherical phase change capsule (4) placed on the upper part of the heat storage box body (1) is smaller than that of the spherical phase change capsule placed on the lower part.
3. A heat storage water tank encapsulating a multi-layered spherical phase change capsule according to claim 1, characterized in that the spherical phase change capsule (4) placed in the heat storage box (1) has a phase change temperature of 40 ℃ to 80 ℃.
4. The heat storage water tank for packaging the multi-layer spherical phase change capsules according to claim 1, wherein the spherical phase change capsules (4) placed on the upper portion of the heat storage box body (1) have a phase change temperature higher than that of the lower portion.
5. The heat storage water tank for packaging the multi-layer spherical phase-change capsules according to claim 1, wherein the spherical phase-change capsules (4) are made of polyethylene, and the spherical phase-change capsules (4) are made of filled phase-change materials which are paraffin with different phase-change temperatures.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321965186.5U CN220471915U (en) | 2023-07-25 | 2023-07-25 | Heat storage water tank for packaging multi-layer spherical phase change capsules |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321965186.5U CN220471915U (en) | 2023-07-25 | 2023-07-25 | Heat storage water tank for packaging multi-layer spherical phase change capsules |
Publications (1)
Publication Number | Publication Date |
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CN220471915U true CN220471915U (en) | 2024-02-09 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321965186.5U Active CN220471915U (en) | 2023-07-25 | 2023-07-25 | Heat storage water tank for packaging multi-layer spherical phase change capsules |
Country Status (1)
Country | Link |
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CN (1) | CN220471915U (en) |
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2023
- 2023-07-25 CN CN202321965186.5U patent/CN220471915U/en active Active
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