CN216308717U - Efficient heat exchange phase change energy storage device - Google Patents
Efficient heat exchange phase change energy storage device Download PDFInfo
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- CN216308717U CN216308717U CN202121717092.7U CN202121717092U CN216308717U CN 216308717 U CN216308717 U CN 216308717U CN 202121717092 U CN202121717092 U CN 202121717092U CN 216308717 U CN216308717 U CN 216308717U
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Abstract
The utility model relates to a high-efficiency heat exchange phase change energy storage device, which comprises: the heat exchange plate, the energy storage plate box and the sealing ring; the heat exchange plates comprise a first heat exchange plate and a second heat exchange plate; the energy storage plate box is arranged between the first heat exchange plate and the second heat exchange plate; a snake-shaped heat exchange flow passage is arranged on the heat exchange plate; the snakelike heat exchange flow channel is arranged on the heat exchange plate in an inwards concave manner; a charging hole is formed in the energy storage plate box; a pressure release valve is arranged on the charging port; the sealing ring is arranged between the heat exchange plate and the energy storage plate box. The multi-stage energy storage device can greatly increase the heat exchange area of the heat exchange flow channel, improve the heat absorption and heat release rates of the phase change material during phase change, and improve the heat exchange efficiency of the fluid and the phase change material, thereby reducing energy loss, having simple structure, being convenient for later assembly, disassembly, maintenance and the like, being capable of carrying out the combination of the multi-stage energy storage devices according to the requirements of users, meeting the requirements of different users, and providing powerful support for the efficient, reliable, safe and stable operation of an energy system.
Description
Technical Field
The utility model relates to the field of phase change energy storage, in particular to a high-efficiency heat exchange phase change energy storage device.
Background
The energy source is taken as the core foundation of the current economic development, and along with the increasing and rapid increase of economic demand, the energy source presents obvious incompatibility in the aspects of supply, allocation and the like, such as intermittence of solar energy, wind energy, water power and the like, industrial production of intermittent operation, peak-valley difference of power load and the like. The storage technology of energy and the utilization rate of developing new energy and promoting energy are paid extensive attention, and solar energy heat energy, industrial waste heat and some low-quality energy use energy storage materials to store the energy, so that the energy is efficiently utilized, and the utilization rate of an energy system is greatly improved. The phase-change energy storage technology is based on phase-change heat transfer as a basic heat transfer mode and has excellent energy storage performance, and the energy storage plate as a phase-change energy storage device has the advantages of simple structure, flexible working condition, good temperature uniformity, high energy storage density, centralized storage and the like, and has wide application space in the fields of electric heating energy storage systems, waste heat recovery and the like.
The main scheme of the traditional phase-change energy storage device on the optimization of the energy storage heat transfer performance is mainly to concentrate on the operations of arranging a protrusion on a heat exchange surface, increasing fins, improving plate types, and improving composite phase-change materials with a nano structure, and the like. The improved structure of the convex parts on the heat exchange surface also increases the flow resistance of the fluid, causes additional energy loss and reduces the practical utilization efficiency.
In addition, traditional phase change energy memory's heat transfer structure generally places in energy memory's inside, and this kind of structure arouses a series of anticorrosive, maintenance, deformation scheduling problem at the in-process of actual production use, leads to shortening of energy memory's life, and the extension of maintenance cycle is dismantled the inconvenient of operation, increases energy memory's use cost.
In addition, the phase-change material generally has the defect of poor heat-conducting property, and in the process of phase-change heat exchange, the heat is transferred slowly, so that the phenomenon of incomplete phase-change process is easy to occur, and the energy storage capacity of the energy storage plate is limited to a certain extent. Therefore, a high-efficiency heat exchange phase change energy storage device which is convenient to mount and dismount, enhances the heat exchange characteristics and the energy transfer and exchange and improves the overall energy storage capacity is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency heat exchange phase change energy storage device which is convenient to mount and dismount, enhances heat exchange characteristics and energy transmission and exchange and improves the integral energy storage capacity.
In order to ensure that the installation and the disassembly are convenient, the heat exchange characteristic and the energy transmission and exchange are enhanced, and the integral energy storage capacity is improved in the using process, the utility model relates to a high-efficiency heat exchange phase change energy storage device, which comprises:
the heat exchange plate, the energy storage plate box and the sealing ring;
the heat exchange plates comprise a first heat exchange plate and a second heat exchange plate; the energy storage plate box is arranged between the first heat exchange plate and the second heat exchange plate; a snake-shaped heat exchange flow passage is arranged on the heat exchange plate; the snakelike heat exchange flow channel is arranged on the heat exchange plate in an inwards concave manner; a charging hole is formed in the energy storage plate box; a pressure release valve is arranged on the charging port; the sealing ring is arranged between the heat exchange plate and the energy storage plate box.
The utility model has the beneficial effects that the serpentine heat exchange flow channel is uniformly distributed on the heat exchange plate by being arranged into a sandwich structure similar to a sandwich structure, and the area of the heat exchange flow channel is not less than 90 percent of the heat exchange plate, so that the great heat exchange area brings higher heat exchange efficiency; the phase-change material accounts for 90% of the whole volume of the energy storage plate box, and the sealing structure with the pressure release valve can ensure the safe and stable operation of the energy storage device; the charging hole is formed above the energy storage plate box, so that the phase-change material can be conveniently filled; the customer to different environment, energy demand can carry out between a plurality of energy storage plate boxes and the heat transfer board and ally oneself with and use and provide a series of energy storage schemes, and the flexibility ratio is high, and the practicality is strong.
Furthermore, the snake-shaped heat exchange flow channels are arranged on the heat exchange plate at equal intervals. The snakelike heat exchange flow channels are uniformly distributed on the heat exchange plates, so that the heat exchange fluid can smoothly flow, the heat of the fluid can be quickly transferred to the whole heating surface, and the heat exchange capacity of the device is enhanced.
Furthermore, a water inlet and a water outlet are formed in the snake-shaped heat exchange flow channel; and threads are arranged on the water inlet and the water outlet. The threads are arranged on the water inlet and the water outlet of the snake-shaped heat exchange flow channel, so that the connection between subsequent pipelines is facilitated.
Furthermore, a fixing port is arranged on the heat exchange plate; the fixed ports are arranged at four corners of the heat exchange plate. Four angle distribution fixed mouthful use the stainless steel cylinder that both ends have the nut to fix, guarantee whole heat transfer device's leakproofness.
Further, the area of the snake-shaped heat exchange flow channel is not less than 90% of the area of the heat exchange plate. The area of the snakelike heat exchange flow channel is not less than 90% of that of the heat exchange plate, and the extremely large heat exchange area brings high heat exchange efficiency.
Further, the energy storage plate box is a metal shell; the energy storage plate box is internally provided with a phase change material; the filling volume of the phase-change material is not more than 90% of the volume of the energy storage plate box. The filling volume of the phase-change material is set to be not more than 90% of the whole volume of the energy storage plate box, so that the safe and stable operation of the energy storage device is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a structural diagram of a high efficiency heat exchange phase change energy storage device of the present invention;
fig. 2 is a diagram of a heat exchange plate of the high-efficiency heat exchange phase-change energy storage device.
The corresponding part names indicated by the numbers in the figures:
1. a heat exchange plate; 2. an energy storage plate box; 3. a seal ring; 4. a first heat exchange plate; 5. a second heat exchange plate; 6. a serpentine heat exchange flow channel; 7. a charging port; 8. a pressure relief valve; 9. a water inlet; 10. a water outlet; 11. a fixed port; 12. a phase change material.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
the utility model aims to provide a high-efficiency heat exchange phase change energy storage device which is convenient to mount and dismount, enhances heat exchange characteristics and energy transmission and exchange and improves the integral energy storage capacity.
As shown in fig. 1 and 2, in order to ensure that the mounting and dismounting are convenient, the heat exchange characteristic and the energy transmission and exchange are enhanced, and the overall energy storage capacity is improved in the using process, the utility model relates to a high-efficiency heat exchange phase change energy storage device, which comprises:
the heat exchange plate 1, the energy storage plate box 2 and the sealing ring 3;
the heat exchange plate 1 comprises a first heat exchange plate 4 and a second heat exchange plate 5; the energy storage plate box 2 is arranged between the first heat exchange plate 4 and the second heat exchange plate 5; a snake-shaped heat exchange flow passage 6 is arranged on the heat exchange plate 1; the snakelike heat exchange flow channel 6 is arranged on the heat exchange plate 1 in an inwards concave manner; the energy storage plate box 2 is provided with a charging hole 7; a pressure release valve 8 is arranged on the charging port 7; the sealing ring 3 is arranged between the heat exchange plate 1 and the energy storage plate box 2.
The utility model has the beneficial effects that the serpentine heat exchange flow channel 6 is uniformly distributed on the heat exchange plate 1 by being arranged into a sandwich structure similar to a sandwich structure, and the area of the heat exchange flow channel is not less than 90 percent of that of the heat exchange plate, so that the great heat exchange area brings higher heat exchange efficiency; the phase-change material accounting for 90% of the whole volume of the energy storage plate box 2 and the sealing structure with the pressure release valve 8 can ensure the safe and stable operation of the energy storage device; a charging hole is formed above the energy storage plate box 2, so that the phase-change material 12 can be conveniently filled; to the customer of different environment, energy demand, can carry out and ally oneself with between a plurality of energy storage plate box 2 and the heat transfer board 1 and provide a series of energy storage schemes, the flexibility ratio is high, and the practicality is strong.
Further, the serpentine heat exchange flow channels 6 are arranged on the heat exchange plate 1 at equal intervals. The serpentine heat exchange flow channels 6 are uniformly distributed on the heat exchange plate 1, so that the heat exchange fluid can smoothly flow, the heat of the fluid can be quickly transferred to the whole heating surface, and the heat exchange capacity of the device is enhanced.
Further, a water inlet 9 and a water outlet 10 are arranged on the snake-shaped heat exchange flow channel 6; and the water inlet 9 and the water outlet 10 are provided with threads. The threads are arranged on the water inlet 9 and the water outlet 10 of the snake-shaped heat exchange flow channel 6, so that the connection between subsequent pipelines is facilitated.
Further, a fixing port 11 is arranged on the heat exchange plate 1; the fixing ports 11 are arranged at four corners of the heat exchange plate 1. Four angle distribution fixed orifices 11 use the stainless steel cylinder that both ends have the nut to fix, guarantee whole heat transfer device's leakproofness.
Further, the area of the serpentine heat exchange flow channel 6 is not less than 90% of the area of the heat exchange plate 1. The area of the snakelike heat exchange flow channel 6 is not less than 90% of that of the heat exchange plate 1, and the extremely large heat exchange area brings high heat exchange efficiency.
Further, the energy storage plate box 2 is a metal shell; the phase-change material 12 is arranged in the energy storage plate box 2; the filling volume of the phase-change material 12 is not more than 90% of the volume of the energy storage plate box 2. The filling volume of the phase-change material 12 is set to be not more than 90% of the whole volume of the energy storage plate box 2, so that the safe and stable operation of the energy storage device is ensured.
In actual operation, when the multi-stage energy storage device is used, a heat exchange plate with snake-shaped heat exchange flow channels 6 on two sides is required to be used, and when the heat exchange plate 1 and the energy storage plate box 2 are assembled, the middle part needs to be provided with the sealing ring 3, so that the fluid can flow between the heat exchange plate 1 and the energy storage plate box 2 without leakage. Can effectively less phase change material through external snakelike heat transfer runner 6 to the corruption of heat transfer board 1 and the deformation scheduling problem of structure, thermal transmission and exchange can all be carried out in the both sides of energy storage plate box 2 to double-deck sandwich structure, the slow influence of energy transfer that the effectual heat conductivility of improving phase change material 12 itself is poor brings, external heat transfer board 1 has simple manufacture, convenient to use, advantages such as temperature distribution is even. Experiments prove that: when the phase change energy storage plate box 2 under the same working condition is used, compared with the traditional built-in heat exchange device, the time for completely melting the phase change material 12 can be shortened by about 50%. Therefore, the utility model designs the energy transfer which can transfer and exchange heat on the surface of the heat exchange plate 1 to the middle of the energy storage plate box 2 through the improvement of the energy storage device and the structural performance, and the energy storage is efficiently, quickly and stably carried out.
And in the design of the structure of the energy storage plate box 2, liquid is adopted for filling during filling, the filling volume does not exceed 90 percent of the whole volume of the energy storage plate box 2, and a charging opening 7 and a sealing device with a pressure release valve 8 are arranged on the upper layer. The series of designs are designed to meet the safe operation of the device, on one hand, the pressure change caused by the volume change of the solid-liquid phase change in the phase change process of the phase change material 12 can be met, and in addition, the pressure release valve 8 can release the pressure to ensure the safe operation of the energy storage device; the filling opening 7 is designed to facilitate filling and later maintenance of the phase change material 12.
Its whole has advantages such as simple, equipment convenience, use are nimble in structural design, can carry out the ally used of a plurality of energy storage plate boxes and heat transfer board according to the user's demand of difference, provides a series of energy storage schemes to the customer of different environment, energy demand.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The efficient heat exchange phase change energy storage device is characterized by comprising a heat exchange plate, an energy storage plate box and a sealing ring;
the heat exchange plates comprise a first heat exchange plate and a second heat exchange plate; the energy storage plate box is arranged between the first heat exchange plate and the second heat exchange plate; a snake-shaped heat exchange flow passage is arranged on the heat exchange plate; the snakelike heat exchange flow channel is arranged on the heat exchange plate in an inwards concave manner; a charging hole is formed in the energy storage plate box; a pressure release valve is arranged on the charging port; the sealing ring is arranged between the heat exchange plate and the energy storage plate box.
2. The efficient heat exchange phase change energy storage device of claim 1, wherein: the serpentine heat exchange flow channels are arranged on the heat exchange plate at equal intervals.
3. The efficient heat exchange phase change energy storage device of claim 1, wherein: a water inlet and a water outlet are formed in the snake-shaped heat exchange flow channel; and threads are arranged on the water inlet and the water outlet.
4. The efficient heat exchange phase change energy storage device of claim 1, wherein: the heat exchange plate is provided with a fixed port; the fixed ports are arranged at four corners of the heat exchange plate.
5. The efficient heat exchange phase change energy storage device of claim 1, wherein: the area of the snakelike heat exchange flow channel is not less than 90% of the area of the heat exchange plate.
6. The efficient heat exchange phase change energy storage device of claim 1, wherein: the energy storage plate box is a metal shell; the energy storage plate box is internally provided with a phase change material; the filling volume of the phase-change material is not more than 90% of the volume of the energy storage plate box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717092.7U CN216308717U (en) | 2021-07-27 | 2021-07-27 | Efficient heat exchange phase change energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121717092.7U CN216308717U (en) | 2021-07-27 | 2021-07-27 | Efficient heat exchange phase change energy storage device |
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| Publication Number | Publication Date |
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| CN216308717U true CN216308717U (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121717092.7U Active CN216308717U (en) | 2021-07-27 | 2021-07-27 | Efficient heat exchange phase change energy storage device |
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2021
- 2021-07-27 CN CN202121717092.7U patent/CN216308717U/en active Active
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Assignee: Shanghai Qineng Qixin New Energy Technology Co.,Ltd. Assignor: Tianjin Qineng New Energy Technology Co.,Ltd. Contract record no.: X2023980040849 Denomination of utility model: A high-efficiency heat exchange phase change energy storage device Granted publication date: 20220415 License type: Exclusive License Record date: 20230829 |