CN216592932U - Branch type fin type phase change heat exchanger for heat exchange enhancement - Google Patents
Branch type fin type phase change heat exchanger for heat exchange enhancement Download PDFInfo
- Publication number
- CN216592932U CN216592932U CN202220185309.2U CN202220185309U CN216592932U CN 216592932 U CN216592932 U CN 216592932U CN 202220185309 U CN202220185309 U CN 202220185309U CN 216592932 U CN216592932 U CN 216592932U
- Authority
- CN
- China
- Prior art keywords
- fin
- phase change
- change material
- inner tube
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012782 phase change material Substances 0.000 claims abstract description 41
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000007704 transition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006276 transfer reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013529 heat transfer fluid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
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 discloses a branch type fin formula phase change heat exchanger for strengthening heat transfer, including inner tube and outer tube, the inner tube penetrates in the outer tube, the inner tube with be provided with the phase change material section between the outer tube, the welding has V-arrangement main fin on the outer wall of inner tube, side fin has all been welded to the both sides of V-arrangement main fin, the V-arrangement main fin with side fin all inserts the phase change material section, just side fin slope welding is in on the V-arrangement main fin. The utility model discloses, constitute arborescent fin through setting up V-arrangement main fin and side fin to insert in the phase change material section, thereby improved the heat transfer area of hot-fluid and phase change material section, thereby improved heat transfer rate, accelerate whole heat accumulation process, and through arborescent fin, can make the even diffusion of heat to the phase change material section, thereby improve the homogeneity of phase change material section temperature everywhere.
Description
Technical Field
The utility model relates to a heat-retaining heat exchanger technical field. In particular to a branch type fin type phase change heat exchanger for strengthening heat exchange.
Background
To solve the problem of mismatching of energy sources in time and space, energy storage technology is rapidly developed, and latent heat storage is widely studied due to high energy storage density.
Latent heat storage mainly utilizes heat transfer fluid and phase change material to carry out the heat transfer to realize the purpose of heat-retaining, but current latent heat storage equipment mostly has heat exchange efficiency low, it is lower to have led to the utilization ratio of energy, and phase change material absorbs heat and melts a certain amount after, can produce natural convection, the heat-retaining rate that leads to heat-retaining part upper portion is obviously higher than the lower part, it is inhomogeneous to cause phase change material heat-retaining in the circumferencial direction, because phase change material has certain difference in temperature on the circumference, still can cause certain influence to the heat-retaining equipment of equipment.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a branch type fin phase change heat exchanger for strengthening the heat transfer is provided for improving heat exchange efficiency and improving temperature uniformity.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a branch type fin formula phase transition heat exchanger for strengthening heat transfer, includes inner tube and outer tube, the inner tube penetrates in the outer tube, the inner tube with be provided with the phase change material section between the outer tube, the welding has V-arrangement main fin on the outer wall of inner tube, side fin has all been welded to the both sides of V-arrangement main fin, V-arrangement main fin with side fin all inserts the phase change material section, just side fin slope welding is in on the V-arrangement main fin.
The branch-type fin-type phase change heat exchanger for heat exchange enhancement comprises two fin plates, wherein the first ends of the fin plates are welded to form a V shape and welded to the outer wall of an inner tube, and the side fins are welded to one side, away from each other, of the fin plates.
Above-mentioned a branch type fin formula phase transition heat exchanger for strengthening heat transfer, two the contained angle between the fin board is 45, and two the angular bisector of fin board is followed the diameter direction of outer tube sets up.
Above-mentioned branch type fin formula phase transition heat exchanger for strengthening heat transfer, the first end of side fin with fin plate's lateral wall intermediate position department welds, the second end of side fin is close to fin plate's second end, side fin with fin plate's contained angle is 45.
The branch type fin type phase change heat exchanger for heat exchange enhancement is characterized in that the fin plate and the side fins are made of copper plates, and the inner tube is a copper tube.
Above-mentioned a branch type fin formula phase transition heat exchanger for strengthening the heat transfer, the outer tube is nonrust steel pipe, the parcel has the heat preservation on the outer wall of outer tube.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. the utility model discloses, through setting up V-arrangement main fin and side fin and forming dendritic fin, and insert in the phase change material section, thereby improved the heat transfer area of hot-fluid and phase change material section, thereby improve heat transfer rate, accelerate whole heat accumulation process, and through dendritic fin, can make the even diffusion of heat to the phase change material section, thereby improve the homogeneity of phase change material section temperature everywhere; the V-shaped main fins with the included angle of 45 degrees and the side fins arranged at 45 degrees can ensure that the speed in heat accumulation and release is in the optimal state.
2. The utility model discloses, through setting up V-arrangement main fin and side fin, at first can be to each even heating of phase change material section, the heat transfer reaction that makes the phase change material section tends to even stability, reduce the difference in temperature, slow down the production of natural convection, secondly, when taking place natural convection, V-arrangement main fin and side fin outwards stretch out, play and block the purpose that phase change material flows, slow down natural convection, and can be when phase change material flows, make phase change material produce the streaming, improve the mixed effect of the different temperature departments of phase change material, with the purpose that reaches the temperature is even.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 the utility model discloses well V-arrangement main fin and side fin welded structure sketch map.
The reference numbers in the figures denote: 1-inner tube; 2-a phase change material segment; 3-an outer tube; 4-V-shaped primary fins; 41-side fin.
Detailed Description
In this embodiment, referring to fig. 1 and 2, the dendritic fin-type phase change heat exchanger for heat exchange enhancement includes an inner tube 1 and an outer tube 3, the fin plates and the side fins 41 are made of copper plates, the inner tube 1 is a copper tube, the outer tube 3 is a stainless steel tube, an insulating layer is wrapped on the outer wall of the outer tube 3, the inner tube 1 penetrates into the outer tube 3, a phase change material section 2 is disposed between the inner tube 1 and the outer tube 3, V-shaped main fins 4 are welded on the outer wall of the inner tube 1, the side fins 41 are welded on both sides of the V-shaped main fins 4, the V-shaped main fins 4 and the side fins 41 are inserted into the phase change material section 2, the side fins 41 are welded on the V-shaped main fins 4 in an inclined manner, dendritic fins formed by the V-shaped main fins 4 and the side fins 41 are inserted into the phase change section 2, thereby the heat transfer area of hot-fluid and phase change material section 2 has been improved to improve heat transfer rate, accelerated whole heat accumulation process, and through dendritic fin, can make the even diffusion of heat to phase change material section 2, thereby improve the homogeneity of phase change material section 2 temperature everywhere.
As shown in fig. 2 and 3, the V-shaped main fin 4 includes two fin plates, first ends of the two fin plates are welded to each other to form a V shape and are welded to the outer wall of the inner tube 1, and the side fins 41 are welded to both sides of the two fin plates away from each other; the included angle between two fin plates is 45 degrees, and the angular bisector of two fin plates is along the diameter direction setting of outer tube 3, the first end of side fin 41 with the lateral wall intermediate position department welding of fin plate, the second end of side fin 41 is close to the second end of fin plate, the included angle of side fin 41 with the fin plate is 45, the V-arrangement main fin 4 of 45 degrees contained angle and the side fin 41 that 45 degrees set up can make the speed when holding and releasing heat be in the optimum state, through setting up V-arrangement main fin 4 and side fin 41, at first can be to phase change material section 2 everywhere even heating, make phase change material section 2's heat transfer reaction tend to even stability, reduce the difference in temperature, slow down the production of natural convection, secondly, when taking place natural convection, V-arrangement main fin 4 and side fin 41 outwards stretch out, play the purpose of blockking phase change material flow, the natural convection is slowed down, and the phase-change material can generate the streaming around when flowing, so that the mixing effect of the phase-change material at different temperatures is improved, and the aim of uniform temperature is fulfilled.
The working principle is as follows: when the device is used, pipe fittings with different pressure grades are selected according to actual pressure requirements, and the tightness of the pipeline is checked, so that danger and heat loss are prevented;
when the hot fluid flows through the inner tube 1, the temperature of the hot fluid is firstly transferred to the outer wall of the inner tube from the inner wall surface of the inner tube in a heat conduction mode, then the heat is transferred to the V-shaped main fins 4 and the side fins 41 from the outer wall of the inner tube 1 and finally transferred to the phase-change material, and the phase-change material obtains the heat and stores the heat in a phase-change mode; when the heat stored by the phase-change material is needed, only the low-temperature heat exchange fluid needs to be introduced into the inner tube, the phase-change material transfers the heat to the low-temperature fluid in a heat conduction mode, and meanwhile, the phase-change material is solidified when the temperature of the phase-change material is lower than the melting temperature and gradually approaches the temperature of the heat exchange fluid.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (6)
1. The utility model provides a dendritic fin formula phase change heat exchanger for strengthening heat transfer which characterized in that, includes inner tube (1) and outer tube (3), inner tube (1) penetrates in outer tube (3), inner tube (1) with be provided with phase change material section (2) between outer tube (3), the welding has V-arrangement main fin (4) on the outer wall of inner tube (1), side fin (41) have all been welded to the both sides of V-arrangement main fin (4), V-arrangement main fin (4) with side fin (41) all insert phase change material section (2), just side fin (41) slope welding is in on V-arrangement main fin (4).
2. The dendritic type finned phase change heat exchanger for heat exchange enhancement according to claim 1, characterized in that the V-shaped main fin (4) comprises two fin plates, first ends of the two fin plates are welded with each other to form a V shape and are welded with the outer wall of the inner tube (1), and the side fins (41) are welded on the sides of the two fin plates far away from each other.
3. The dendritic type finned phase change heat exchanger for heat exchange enhancement according to claim 2, characterized in that the included angle between two fin plates is 45 ° and the bisector of the two fin plates is arranged along the diameter direction of the outer tube (3).
4. The dendritic type finned phase change heat exchanger for heat exchange enhancement according to claim 2, wherein the first ends of the side fins (41) are welded to the middle positions of the side walls of the fin plate, the second ends of the side fins (41) are close to the second ends of the fin plate, and the included angle between the side fins (41) and the fin plate is 45 °.
5. The dendritic fin type phase change heat exchanger for heat exchange enhancement according to claim 2, wherein the fin plate and the side fin (41) are made of copper plate, and the inner tube (1) is copper tube.
6. The branch-type fin-type phase-change heat exchanger for heat exchange enhancement according to claim 1, wherein the outer pipe (3) is a stainless steel pipe, and the outer wall of the outer pipe (3) is wrapped with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185309.2U CN216592932U (en) | 2022-01-24 | 2022-01-24 | Branch type fin type phase change heat exchanger for heat exchange enhancement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220185309.2U CN216592932U (en) | 2022-01-24 | 2022-01-24 | Branch type fin type phase change heat exchanger for heat exchange enhancement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216592932U true CN216592932U (en) | 2022-05-24 |
Family
ID=81635781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220185309.2U Expired - Fee Related CN216592932U (en) | 2022-01-24 | 2022-01-24 | Branch type fin type phase change heat exchanger for heat exchange enhancement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216592932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979036A (en) * | 2022-11-23 | 2023-04-18 | 南京航空航天大学 | Annular fin, generation method thereof and phase-change heat storage device |
| CN116753761A (en) * | 2023-08-18 | 2023-09-15 | 山东科技大学 | Horizontal phase change heat storage device with treelike bionic fins and design method |
-
2022
- 2022-01-24 CN CN202220185309.2U patent/CN216592932U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115979036A (en) * | 2022-11-23 | 2023-04-18 | 南京航空航天大学 | Annular fin, generation method thereof and phase-change heat storage device |
| CN115979036B (en) * | 2022-11-23 | 2023-09-29 | 南京航空航天大学 | Annular fin, generation method thereof and phase-change heat storage device |
| CN116753761A (en) * | 2023-08-18 | 2023-09-15 | 山东科技大学 | Horizontal phase change heat storage device with treelike bionic fins and design method |
| CN116753761B (en) * | 2023-08-18 | 2023-11-14 | 山东科技大学 | Horizontal phase change heat storage device with treelike bionic fins and design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216592932U (en) | Branch type fin type phase change heat exchanger for heat exchange enhancement | |
| CN108362153B (en) | Efficient phase change energy storage packaging ball with inner fins | |
| CN105115340A (en) | Phase change heat storage device and heat-pump water heater | |
| CN104121794B (en) | A kind of unidirectional loop gravity assisted heat pipe and its manufacture method | |
| CN205784773U (en) | A kind of phase change thermal storage heat exchanger | |
| CN108808160A (en) | High intensity heat transfer structure for cooling down power battery | |
| Chen et al. | Thermal performance of a thermal-storage unit by using a multichannel flat tube and rectangular fins | |
| CN107681228A (en) | A kind of high multiplying power lithium ion power battery module heat pipe liquid-cooling heat radiator | |
| US20230194188A1 (en) | Heat exchanger device comprising a phase-change material | |
| CN105674770A (en) | Shell and tube heat exchanger for exchanging heat of fused salts with different temperatures | |
| CN205717927U (en) | Heat exchanger and phase-change heat storage electric water heater | |
| CN209249634U (en) | Battery system, electric vehicle and network system | |
| CN112414193A (en) | Multi-cascade phase change heat storage device with built-in fins and enhanced heat transfer method | |
| CN207426069U (en) | A kind of high multiplying power lithium ion power battery module heat pipe liquid-cooling heat radiator | |
| CN207006962U (en) | Phase transition heat accumulation unit | |
| CN114322623A (en) | High-temperature multi-heat-exchange-tube compact phase-change heat exchange device | |
| CN108981436A (en) | Heat exchanger and water heater | |
| JPS62284193A (en) | Heat transfer pipe | |
| CN213811898U (en) | Spiral gradually-changed fin phase-change heat accumulator | |
| CN221706272U (en) | Phase-change heat storage heat exchanger with multiple heat storage units | |
| CN207472114U (en) | A kind of regenerative apparatus of gas and fused salt contact heat-exchanging | |
| CN113028874A (en) | Step phase change heat reservoir | |
| CN219798046U (en) | Composite phase-change energy storage structure and energy storage equipment | |
| CN101881569B (en) | Variable working condition and aclinal heat tube heat exchanger | |
| CN220772004U (en) | Phase-change heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |