CN213932179U - Finned tube of groove aluminum heat exchanger - Google Patents
Finned tube of groove aluminum heat exchanger Download PDFInfo
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- CN213932179U CN213932179U CN202022420186.XU CN202022420186U CN213932179U CN 213932179 U CN213932179 U CN 213932179U CN 202022420186 U CN202022420186 U CN 202022420186U CN 213932179 U CN213932179 U CN 213932179U
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Abstract
The utility model discloses a finned tube of a slot aluminum heat exchanger, which comprises a tube body and a plurality of fin groups which are uniformly arranged on the outer surface of the tube body at intervals; the fin group comprises a first fin unit; the first fin unit comprises a plurality of first fins which are uniformly arranged on the outer peripheral surface of the tube body; the bottom ends of the first fins are fixed on the peripheral surface of the tube body; a plurality of first fin strips are arranged on two sides of each first fin, and the first fin strips on the two sides of each first fin are symmetrically arranged; the length of the first fin strip increases progressively from the bottom end to the top end of the first fin. The fin groups are arranged on the outer surface of the tube body at intervals, so that the heat exchange area can be increased, and the heat exchange efficiency is improved; first fin bilateral symmetry sets up first fin strip, and first fin strip not only can make the air of flowing through first fin form the turbulent flow, destroys the boundary layer, still increases the surface area of first fin simultaneously to the heat transfer area of increase first fin improves heat exchange efficiency.
Description
Technical Field
The utility model belongs to groove aluminum heat exchanger field, in particular to finned tube of groove aluminum heat exchanger.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production, can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry production, and is widely applied. At present, the groove aluminum heat exchanger is widely applied, the finned tube in the groove aluminum heat exchanger is a tube which is used for improving the heat exchange efficiency, and the outer surface area of the heat exchange tube is increased by adding fins on the surface of the heat exchange tube generally, so that the purpose of improving the heat exchange efficiency is achieved. The traditional fins have smooth surfaces, and when air passes through the fins, boundary layers are easily formed among the fins, so that the heat exchange efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a finned tube of groove aluminum heat exchanger, simple structure can destroy the boundary layer, and heat exchange efficiency is high.
The technical scheme of the utility model is realized like this:
a finned tube of a slot aluminum heat exchanger comprises a tube body and a plurality of fin groups which are uniformly arranged on the outer surface of the tube body in a surrounding and interval mode;
the fin group comprises a first fin unit; the first fin unit comprises a plurality of first fins which are uniformly arranged on the outer peripheral surface of the tube body; the bottom ends of the first fins are fixed on the peripheral surface of the tube body; a plurality of first fin strips are arranged on two sides of each first fin, and the first fin strips on the two sides of each first fin are symmetrically arranged; the length of the first fin strip increases progressively from the bottom end to the top end of the first fin.
The fin structure further comprises an outer circular tube, wherein a first sliding block is arranged on the inner wall of the outer circular tube, a first connecting block is arranged at the top end of the first fin, and the top of the first connecting block is a cambered surface matched with the top of the outer circular tube; the top of the first connecting block is provided with a first slide way matched with the first slide block.
Further, the fin group also comprises a second fin unit, the second fin unit comprises 4 second fins, and the 4 second fins are uniformly arranged on the outer peripheral surface of the tube body; the number of the first fins is the same as that of the second fins, and the second fins are arranged between two adjacent first fins; the bottom end of the second fin is fixed on the outer peripheral surface of the tube body, and the top end of the second fin is fixed on the second connecting block; a plurality of second fin strips are arranged on two sides of each second fin, and the second fin strips on two sides of each second fin are symmetrically arranged; the length of the second fin strip increases progressively from the bottom end to the top end of the first fin;
the top end of each first fin is arranged on a connecting line of the top ends of two adjacent second fins; the length of the second fin is greater than the length of the first fin.
Furthermore, the first fin strip and the second fin strip are inclined downwards towards the direction of the pipe body.
Furthermore, the included angle between the first fin strip and the first fin and the included angle between the second fin strip and the first fin are both 30-60 degrees.
Further, the device also comprises an outer square tube, wherein a second sliding block is arranged on the inner wall of the outer square tube;
the top end of the first fin is provided with a second connecting block, and the top end of the second fin is provided with a third connecting block; the second connecting block is a straight connecting block, and the third connecting block is a right-angle connecting block;
and second slide ways matched with the second slide blocks are arranged on the two fixing plates of the first connecting block and the second connecting block.
Furthermore, the left side and the right side of the first fin and the second fin are respectively provided with a wing plate, and the bottom end of the first fin strip and the bottom end of the second fin strip are respectively fixed on the wing plates.
Furthermore, the first fin strip and the second fin strip are gradually tapered from the top end to the bottom end of the fin.
Furthermore, the tube body and the fin group are made of aluminum materials.
The utility model provides a finned tube of a slot aluminum heat exchanger, wherein a plurality of fin groups are arranged on the outer surface of a tube body at intervals, so that the heat exchange area can be increased, and the heat exchange efficiency is improved; first fin bilateral symmetry sets up first fin strip, and first fin strip not only can make the air of flowing through first fin form the turbulent flow, destroys the boundary layer, still increases the surface area of first fin simultaneously to the heat transfer area of increase first fin improves heat exchange efficiency. The utility model relates to a rationally, simple structure, heat exchange efficiency is high, convenient to use.
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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 without the outer tube;
FIG. 3 is a schematic structural view of the outer circular tube of FIG. 1;
fig. 4 is a schematic structural diagram of another embodiment of the present invention;
FIG. 5 is a schematic structural view of a tube without an outer square tube;
fig. 6 is a schematic structural view of the outer tube in fig. 1.
In the figure:
1. a pipe body; 2. a first fin unit; 3. a second fin unit; 4. a first fin; 5. a first fin strip; 6. a second fin; 7. a second fin strip; 8. a first connection block; 9. a second connecting block; 10. a third connecting block; 11. a wing plate; 12. an outer circular tube; 13. an outer square tube; 14. a first slider; 15. a second slider; 16. a first slideway; 17. a second slideway; 18. and (7) fixing the plate.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
It should be noted that, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
With reference to fig. 1-6, the present invention provides a finned tube of a channel aluminum heat exchanger, which comprises a tube body 1 and a plurality of fin groups uniformly arranged on the outer surface of the tube body 1 at intervals; a plurality of fin groups are arranged on the outer surface of the tube body 1 at intervals, so that the heat exchange area can be increased, and the heat exchange efficiency is improved.
The fin group includes a first fin unit 2; the first fin unit 2 comprises a plurality of first fins 4, and the plurality of first fins 4 are uniformly arranged on the outer peripheral surface of the tube body 1; the bottom ends of the first fins 4 are fixed on the peripheral surface of the tube body 1; a plurality of first fin strips 5 are arranged on both sides of the first fin 4, and the first fin strips 5 on both sides of the first fin 4 are symmetrically arranged; the length of the first fin strip 5 increases from the bottom end to the top end of the first fin 4. The first fin strip 5 can increase the surface area of the first fin 4, so that the heat exchange area of the first fin 4 is increased, and the heat exchange efficiency is improved.
Further, an outer circular tube 12 is further arranged outside the first fin unit 2, a first sliding block 14 is arranged on the inner wall of the outer circular tube 12, a first connecting block 8 is arranged at the top end of the first fin 4, and the top of the first connecting block 8 is an arc surface matched with the top of the outer circular tube 12; the top of the first connecting block 8 is provided with a first slideway 16 matched with the first slide block 14. The channel formed between the outer circular tube 12 and the outer wall of the tube body 1 can improve the heat exchange efficiency. While facilitating removal of the outer tube 12
Further, the fin group also comprises a second fin unit 3, the second fin unit 3 comprises 4 second fins 6, and the 4 second fins 6 are uniformly arranged on the outer peripheral surface of the tube body 1; the number of the first fins 4 is the same as that of the second fins 6, and the second fins 6 are arranged between two adjacent first fins 4; the bottom end of the second fin 6 is fixed on the peripheral surface of the tube body 1, and the top end is fixed on the second connecting block 9; a plurality of second fin strips 7 are arranged on two sides of each second fin 6, and the second fin strips 7 on two sides of each second fin 6 are symmetrically arranged; the length of the second fin strip 7 increases progressively from the bottom end to the top end of the first fin 4; the top end of the first fin 4 is positioned on the connecting line of the top ends of two adjacent second fins 6; the length of the second fin 6 is greater than the length of the first fin 4. The second fin strip 7 can increase the surface area of the second fin 6, so that the heat exchange area of the second fin 6 is increased, and the heat exchange efficiency is improved.
Furthermore, the first fin strip 5 and the second fin strip 7 are inclined downwards towards the tube body 1. It should be noted that the included angle between the first fin strip 5 and the first fin 4 and the included angle between the second fin strip 7 and the second fin 6 are both 30-60 °.
Furthermore, an outer square pipe 13 is arranged outside the first fin unit 2 and the second fin unit 3, and a second sliding block 15 is arranged on the inner wall of the outer square pipe 13; a second connecting block 9 is arranged at the top end of the first fin 4, and a third connecting block 10 is arranged at the top end of the second fin 6; the second connecting block 9 is a straight connecting block, and the third connecting block 10 is a right-angle connecting block; two fixing plates 18 of the first connecting block 8 and the second connecting block 9 are provided with second slide ways 17 matched with the second slide blocks 15. The channel formed between the outer circular tube 12 and the outer wall of the tube body 1 can improve the heat exchange efficiency.
Furthermore, wing plates 11 are arranged on the left and right sides of the first fin 4 and the second fin 6, and the bottom ends of the first fin strip 5 and the second fin strip 7 are respectively fixed on the wing plates 11. First fin 4 and first fin strip 5, second fin 6 and second fin strip 7 are connected through pterygoid lamina 11, on the basis that improves joint strength, still can improve the heat transfer area of finned tube, and then improve heat exchange efficiency.
Furthermore, the tube body 1 and the fin group are made of aluminum materials.
Furthermore, the first fin strip 5 and the second fin strip 7 are gradually tapered from the top end to the bottom end of the fin.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (9)
1. The finned tube of the slot aluminum heat exchanger is characterized by comprising a tube body and a plurality of fin groups which are uniformly arranged on the outer surface of the tube body in a surrounding and interval mode;
the fin group comprises a first fin unit; the first fin unit comprises a plurality of first fins which are uniformly arranged on the outer peripheral surface of the tube body; the bottom ends of the first fins are fixed on the peripheral surface of the tube body; a plurality of first fin strips are arranged on two sides of each first fin, and the first fin strips on the two sides of each first fin are symmetrically arranged; the length of the first fin strip increases progressively from the bottom end to the top end of the first fin.
2. The finned tube of a slot aluminum heat exchanger according to claim 1 further comprising an outer circular tube, wherein the inner wall of the outer circular tube is provided with a first slider, the top end of the first fin is provided with a first connecting block, and the top of the first connecting block is an arc surface matched with the top of the outer circular tube; the top of the first connecting block is provided with a first slide way matched with the first slide block.
3. The finned tube of a channel aluminum heat exchanger according to claim 1 wherein the fin group further comprises a second fin unit comprising 4 second fins, the 4 second fins being uniformly provided on the outer peripheral surface of the tube body; the number of the first fins is the same as that of the second fins, and the second fins are arranged between two adjacent first fins; the bottom end of the second fin is fixed on the outer peripheral surface of the tube body, and the top end of the second fin is fixedly provided with a second connecting block; a plurality of second fin strips are arranged on two sides of each second fin, and the second fin strips on two sides of each second fin are symmetrically arranged; the length of the second fin strip increases progressively from the bottom end to the top end of the first fin;
the top end of each first fin is arranged on a connecting line of the top ends of two adjacent second fins; the length of the second fin is greater than the length of the first fin.
4. The finned tube of a slot aluminum heat exchanger as claimed in claim 3, wherein the first fin strip and the second fin strip are both inclined downward toward the tube body.
5. The finned tube of a slot aluminum heat exchanger as claimed in claim 4, wherein the included angle between the first fin strip and the first fin, and the included angle between the second fin strip and the second fin are both 30-60 °.
6. The finned tube of a slot aluminum heat exchanger according to claim 3 further comprising an outer square tube, the inner wall of the outer square tube being provided with a second slider;
the top end of the second fin is provided with a third connecting block; the second connecting block is a straight connecting block, and the third connecting block is a right-angle connecting block;
and second slide ways matched with the second slide blocks are arranged on the two fixing plates of the first connecting block and the second connecting block.
7. The finned tube of a slot aluminum heat exchanger as claimed in claim 3, wherein wing plates are provided on both left and right sides of the first fin and the second fin, and the bottom ends of the first fin strip and the second fin strip are fixed to the wing plates, respectively.
8. The finned tube of a channel aluminum heat exchanger as claimed in claim 1, wherein the first fin strip and the second fin strip are tapered from the top end to the bottom end of the fin.
9. The finned tube of a slot aluminum heat exchanger according to claim 1 wherein the tube body and the fin group are both made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420186.XU CN213932179U (en) | 2020-10-27 | 2020-10-27 | Finned tube of groove aluminum heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022420186.XU CN213932179U (en) | 2020-10-27 | 2020-10-27 | Finned tube of groove aluminum heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932179U true CN213932179U (en) | 2021-08-10 |
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ID=77225242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022420186.XU Active CN213932179U (en) | 2020-10-27 | 2020-10-27 | Finned tube of groove aluminum heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213932179U (en) |
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2020
- 2020-10-27 CN CN202022420186.XU patent/CN213932179U/en active Active
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