CN219934745U - Shell-and-tube heat storage assembly using spiral fins to strengthen heat transfer - Google Patents
Shell-and-tube heat storage assembly using spiral fins to strengthen heat transfer Download PDFInfo
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- CN219934745U CN219934745U CN202320647440.0U CN202320647440U CN219934745U CN 219934745 U CN219934745 U CN 219934745U CN 202320647440 U CN202320647440 U CN 202320647440U CN 219934745 U CN219934745 U CN 219934745U
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- heat storage
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- fixedly connected
- shell
- heat transfer
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- 238000005338 heat storage Methods 0.000 title claims abstract description 74
- 238000012546 transfer Methods 0.000 title claims abstract description 28
- 239000011232 storage material Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000002708 enhancing effect Effects 0.000 claims abstract description 3
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000002103 nanocoating Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 6
- 239000012071 phase Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000012782 phase change material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a shell-and-tube heat storage component for enhancing heat transfer by using spiral fins, which comprises a base, wherein a heat storage processing mechanism is arranged at the top of the base and comprises a supporting block fixedly connected with the top of the base, an outer tube is fixedly connected with the top of the supporting block, a heat storage material is filled in the inner side of the outer tube, an inner tube is movably connected in the outer tube, a spiral blade is fixedly connected on the outer side of the inner tube, and a baffle plate movably connected with the outer tube is fixedly connected on the outer side of the inner tube. The shell-and-tube heat storage component using the spiral fins to strengthen heat transfer can utilize the spiral blades arranged on the outer side of the inner tube to strengthen the heat transfer effect, and simultaneously can enable the shell-and-tube heat storage component to rotate under the drive of a motor, so that on the premise of not reducing heat storage quantity, the heat convection of the heat storage and release process is enhanced, the heat storage and release performance of the shell-and-tube phase change heat storage device is effectively improved, and the heat storage and release time is reduced.
Description
Technical Field
The utility model relates to the technical field of heat storage components, in particular to a shell-and-tube heat storage component which uses spiral fins to strengthen heat transfer.
Background
In the development and utilization of renewable energy sources and the high-efficiency energy-saving process of traditional energy sources, the problems of mismatching among time, space, intensity and form exist in the energy, such as periodic change of solar energy, instability of wind energy, peak-valley difference of power load and the like, the development of a heat storage technology is an effective means for coordinating the balance of energy supply and demand, the comprehensive utilization level of the energy sources can be effectively improved, and the heat storage technology has important research and application values for solar heat utilization, power grid peak regulation, industrial energy conservation and waste heat recovery, and becomes a hotspot in the field of energy utilization research of countries in the world at present.
The heat storage technology can be divided into two major types of chemical heat storage and physical heat storage according to the heat storage principle, the former limits the large-scale use of the current stage due to factors such as operation conditions, corrosiveness and chemical instability, the latter can be divided into sensible heat storage and latent heat storage, the object is heated or cooled, the temperature is increased or reduced without changing the heat required to be absorbed or released by the original phase state, the heat is called as 'sensible heat', the latent heat is the short term of phase change latent heat, the heat absorbed or released by a substance from one phase change to the other phase is compared with the sensible heat storage under the isothermal and isobaric conditions, the latent heat storage has large heat storage density and strong heat storage capacity, and the temperature can be basically kept constant in the phase change process.
Please refer to CN215114115U, which proposes an active stirring type phase-change heat storage device, in which "after the phase-change material solidifies on the heat exchange surface and gradually thickens in the heat release stage," the heat transfer resistance between the liquid phase-change material and the heat exchange surface is increased, and the above embodiment makes the phase-change material flow through the rotation of the anchor stirrer so as to facilitate the convective heat exchange, but the heat exchange area in the above embodiment is smaller, and the stirring effect of the anchor stirrer on the axial position is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a shell-and-tube heat storage component which uses spiral fins to strengthen heat transfer, which has the advantages of expanding heat transfer area, strengthening heat convection in the heat storage and release process and the like, and solves the problems that after the phase change material is solidified on the heat exchange surface and gradually thickened in the heat release stage, the heat transfer resistance between the liquid phase change material and the heat exchange surface is increased, so that the heat transfer effect is unstable and the heat transfer rate is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a shell-and-tube heat storage assembly for enhancing heat transfer by using spiral fins comprises a base, wherein a heat storage processing mechanism is arranged at the top of the base;
the heat storage treatment mechanism comprises a supporting block fixedly connected with the top of the base, an outer pipe is fixedly connected with the top of the supporting block, a heat storage material is filled in the inner side of the outer pipe, an inner pipe is movably connected in the outer pipe, a spiral blade is fixedly connected on the outer side of the inner pipe, and a baffle plate movably connected with the outer pipe is fixedly connected on the outer side of the inner pipe;
the heat storage treatment mechanism further comprises a motor fixedly connected with the top of the base, the output end of the motor is fixedly connected with a main belt wheel, the outer side of the inner tube is fixedly connected with a secondary belt wheel corresponding to the position of the main belt wheel, and the outer sides of the main belt wheel and the secondary belt wheel are provided with a transmission belt.
Further, the outer tube is composed of a base plate, a heat insulation layer and an anti-sticking layer, the heat insulation layer is arranged in the base plate, and the anti-sticking layer is arranged on the inner side of the base plate.
Further, the substrate is polytetrafluoroethylene, the heat insulation layer is glass fiber, and the anti-adhesion layer is an oleophobic nano coating.
Further, the heat storage material is PCM, and working fluid flows in the inner side of the inner pipe.
Further, the inside of outer tube is offered and is had the movable groove corresponding with the baffle position, and the inboard fixedly connected with in movable groove with baffle looks adaptation sealed pad, sealed pad is high temperature resistant rubber.
Further, the left and right sides of outer tube all fixedly connected with base fixed connection's protection frame, the through-hole that corresponds with the inner tube position has been seted up to the inside of protection frame.
Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:
this use shell-and-tube heat storage subassembly of spiral fin heat transfer enhancement, through the heat storage processing mechanism who sets up, the scalable heat transfer surface area of spiral blade that the usable inner tube outside set up strengthens the heat transfer effect, still can make it take place to rotate under the drive of motor simultaneously, and then under the prerequisite that does not reduce the heat storage quantity, strengthens the heat convection of heat storage and release process, effectively improves the heat storage and release performance of shell-and-tube phase change heat storage device, reduces the heat storage and release time.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
fig. 2 is a schematic structural view of the outer tube of the present utility model.
In the figure: 1. a base; 2. a support block; 3. an outer tube; 301. a substrate; 302. a thermal insulation layer; 303. an anti-sticking layer; 4. an inner tube; 5. a helical blade; 6. a heat storage material; 7. working fluid; 8. a baffle; 9. a sealing gasket; 10. a motor; 11. a main belt wheel; 12. a slave pulley; 13. a transmission belt; 14. and a protective frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, a shell-and-tube heat storage assembly using spiral fins to enhance heat transfer in this embodiment includes a base 1, and a heat storage processing mechanism is disposed at the top of the base 1.
In this embodiment, heat-retaining treatment facility includes base 1 top fixed connection's supporting shoe 2, the top fixedly connected with outer tube 3 of supporting shoe 2, outer tube 3 comprises base plate 301, insulating layer 302 and antiseized layer 303, the inside of base plate 301 is provided with insulating layer 302, the inboard of base plate 301 is provided with antiseized layer 303, conveniently improve each item performance of outer tube 3, base plate 301 is polytetrafluoroethylene, conveniently make outer tube 3 have good low temperature resistant, high temperature resistant and corrosion resistance, insulating layer 302 is glass fiber, conveniently reduce the heat loss in the outer tube 3, antiseized layer 303 is oleophobic nano-coating, conveniently reduce the adhesion of outer tube 3, prevent heat-retaining material 6 from gluing on outer tube 3.
The heat storage material 6 is filled in the inner side of the outer tube 3, the heat storage material 6 is PCM, the energy is conveniently stored by utilizing the phase change latent heat of the PCM, the energy is released when needed, the inner movable connection of the outer tube 3 is provided with the inner tube 4, the inner side of the inner tube 4 flows with the working fluid 7, the working fluid 7 is conveniently used as heat transfer fluid for supplying energy, the outer side of the inner tube 4 is fixedly connected with the helical blade 5, the outer side of the inner tube 4 is fixedly connected with the baffle 8 movably connected with the outer tube 3, the movable groove corresponding to the position of the baffle 8 is formed in the inner side of the outer tube 3, the sealing gasket 9 matched with the baffle 8 is fixedly connected with the inner side of the movable groove, the sealing gasket 9 is made of high-temperature resistant rubber, the movable stability of the inner tube 4 is conveniently improved by utilizing the baffle 8, and the sealing effect of the outer tube 3 is kept by utilizing the sealing gasket 9.
In this embodiment, heat accumulation processing mechanism still includes base 1 top fixed connection's motor 10, motor 10's output fixedly connected with main band pulley 11, the outside fixedly connected with of inner tube 4 is with the corresponding band pulley 12 of main band pulley 11 position, main band pulley 11 and from band pulley 12's outside installation drive belt 13, the equal fixedly connected with of the left and right sides of outer tube 3 and base 1 fixed connection's guard frame 14, the through-hole that corresponds with inner tube 4 position has been seted up to guard frame 14's inside, conveniently prevent that external factor from influencing the band pulley transmission.
The beneficial effects of the embodiment are that:
the shell-and-tube heat storage component using the spiral fins to strengthen heat transfer has the advantages that the heat storage processing mechanism is arranged, the spiral blades 5 arranged on the outer side of the inner tube 4 can expand the heat transfer surface area to strengthen the heat transfer effect, and meanwhile, the spiral blades can rotate under the driving of the motor 10, so that the heat convection of the heat storage and release process is enhanced on the premise of not reducing the heat storage quantity, the heat storage and release performance of the shell-and-tube phase change heat storage device is effectively improved, and the heat storage and release time is shortened.
The working principle of the embodiment is as follows:
when the shell-and-tube heat storage assembly using the spiral fins to strengthen heat transfer is used, working fluid 7 in the inner tube 4 transfers heat through the spiral blades 5, the heat is transferred into the heat storage material 6 filled in the outer tube 3, so that the heat storage material 6 generates phase change to store energy, the arranged motor 10 can drive the inner tube 4 to rotate by utilizing the transmission action of the secondary belt pulley 12, the primary belt pulley 11 and the transmission belt 13, the spiral blades 5 are enabled to stir the heat storage material 6 in the outer tube 3 in the heat storage and release process, the contact efficiency of the spiral blades 5 with the heat storage material 6 is improved, the heat storage material 6 is enabled to be heated uniformly, the heat storage and release performance is improved, and the heat storage and release time is shortened.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A shell and tube heat storage assembly for enhancing heat transfer using spiral fins, comprising a base (1), characterized in that: the top of the base (1) is provided with a heat storage treatment mechanism;
the heat storage treatment mechanism comprises a supporting block (2) fixedly connected with the top of a base (1), an outer tube (3) is fixedly connected with the top of the supporting block (2), a heat storage material (6) is filled in the inner side of the outer tube (3), an inner tube (4) is movably connected in the outer tube (3), a spiral blade (5) is fixedly connected to the outer side of the inner tube (4), and a baffle (8) is movably connected with the outer tube (3) is fixedly connected to the outer side of the inner tube (4);
the heat storage treatment mechanism further comprises a motor (10) fixedly connected with the top of the base (1), the output end of the motor (10) is fixedly connected with a main belt wheel (11), the outer side of the inner pipe (4) is fixedly connected with a secondary belt wheel (12) corresponding to the position of the main belt wheel (11), and a transmission belt (13) is arranged on the outer sides of the main belt wheel (11) and the secondary belt wheel (12).
2. A shell and tube heat storage assembly utilizing spiral fins to enhance heat transfer as set forth in claim 1 wherein: the outer tube (3) comprises base plate (301), insulating layer (302) and antiseized layer (303), the inside of base plate (301) is provided with insulating layer (302), the inboard of base plate (301) is provided with antiseized layer (303).
3. A shell and tube heat storage assembly utilizing spiral fins to enhance heat transfer as set forth in claim 2 wherein: the substrate (301) is polytetrafluoroethylene, the heat insulation layer (302) is glass fiber, and the anti-sticking layer (303) is oleophobic nano coating.
4. A shell and tube heat storage assembly utilizing spiral fins to enhance heat transfer as set forth in claim 1 wherein: the heat storage material (6) is PCM, and working fluid (7) flows on the inner side of the inner tube (4).
5. A shell and tube heat storage assembly utilizing spiral fins to enhance heat transfer as set forth in claim 1 wherein: the inside of outer tube (3) is offered and is had the movable groove corresponding with baffle (8) position, and the inboard fixedly connected with of movable groove is with sealed pad (9) of baffle (8) looks adaptation, sealed pad (9) are high temperature resistant rubber.
6. A shell and tube heat storage assembly utilizing spiral fins to enhance heat transfer as set forth in claim 1 wherein: the left side and the right side of the outer tube (3) are fixedly connected with a protection frame (14) fixedly connected with the base (1), and through holes corresponding to the positions of the inner tube (4) are formed in the protection frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320647440.0U CN219934745U (en) | 2023-03-29 | 2023-03-29 | Shell-and-tube heat storage assembly using spiral fins to strengthen heat transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320647440.0U CN219934745U (en) | 2023-03-29 | 2023-03-29 | Shell-and-tube heat storage assembly using spiral fins to strengthen heat transfer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219934745U true CN219934745U (en) | 2023-10-31 |
Family
ID=88497086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320647440.0U Active CN219934745U (en) | 2023-03-29 | 2023-03-29 | Shell-and-tube heat storage assembly using spiral fins to strengthen heat transfer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219934745U (en) |
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2023
- 2023-03-29 CN CN202320647440.0U patent/CN219934745U/en active Active
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