CN221123098U - Inner fin for plate-fin heat exchanger - Google Patents
Inner fin for plate-fin heat exchanger Download PDFInfo
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- CN221123098U CN221123098U CN202322871348.5U CN202322871348U CN221123098U CN 221123098 U CN221123098 U CN 221123098U CN 202322871348 U CN202322871348 U CN 202322871348U CN 221123098 U CN221123098 U CN 221123098U
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- fin
- inner fin
- heat exchanger
- plate
- wall
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- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an inner fin for a plate-fin heat exchanger, which relates to the technical field of plate-fin heat exchangers and comprises a heat exchanger shell, a heat exchange tube arranged in the heat exchanger shell and an interval-adjustable inner fin structure, wherein the interval-adjustable inner fin structure comprises a chute arranged on the inner wall of the bottom of the heat exchanger shell, a transmission shaft rotatably arranged in the chute and a plurality of interval-adjustable inner fin assemblies distributed at equal intervals. According to the utility model, the space between each group of inner fins can be flexibly adjusted by designing the space-adjustable inner fin structure, so that the inner fin structure can be suitable for different use environment temperatures, and the application range is widened; through the clean subassembly of both sides design at each interior fin body, under the condition of not demolishing whole interior fin structure, can directly clear up the dust and the impurity that attach on each interior fin body's both sides, saved a large amount of time, improved whole cleaning efficiency.
Description
Technical Field
The utility model relates to the technical field of plate-fin heat exchangers, in particular to an inner fin for a plate-fin heat exchanger.
Background
The fin type heat exchanger is a heat exchange device which is most widely used in gas and liquid heat exchangers, and the purpose of enhancing heat transfer is achieved by adding fins on a common base pipe.
Through retrieving, patent application number 201922153030.7 discloses a novel aluminum plate fin type inner fin based on heat exchanger, and its structure of hot fluid channel is: comprises a baffle plate arranged between an upper cover plate and a lower cover plate at intervals in parallel, and inner fins are arranged between the baffle plates. The existing heat exchanger inner fin structure has the following problems in the actual use process:
Firstly, because the inner fins are fixedly connected with the heat exchange tube, the fin distance cannot be adjusted according to the actual use environment temperature;
Secondly, in the surface cleaning process of the inner fin, a great deal of time is required to be consumed to dismantle the whole inner fin structure, so that the cleaning efficiency becomes very low.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the inner fin for the plate-fin heat exchanger, which effectively solves the problems that the space between fins cannot be adjusted according to the actual use environment temperature and the whole inner fin structure needs to be dismantled in the surface cleaning process of the inner fin due to the fact that the inner fin is fixedly connected with a heat exchange tube in the existing inner fin structure for the plate-fin heat exchanger, so that the cleaning efficiency is very low.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An inner fin for a plate-fin heat exchanger comprises a heat exchanger shell, a heat exchange tube arranged in the heat exchanger shell and an inner fin structure with adjustable spacing;
The interval adjustable inner fin structure comprises a chute arranged on the inner wall of the bottom of the heat exchanger shell, a transmission shaft rotatably arranged in the chute, and a plurality of interval adjustable inner fin components distributed at equal intervals;
The interval-adjustable inner fin assembly comprises a bidirectional threaded unit arranged on a transmission shaft, two T-shaped adjusting rods symmetrically screwed on two opposite threaded ends of the bidirectional threaded unit, and two inner fin bodies symmetrically fixed on the outer walls of the tops of the two T-shaped adjusting rods, wherein cleaning assemblies are arranged on two sides of each inner fin body.
As a preferable technical scheme, the outer wall of the T-shaped adjusting rod is in sliding connection with the inner wall of the chute, and the inner fin body is in sliding connection with the heat exchange tube.
As a preferable technical scheme, a driving hand wheel is fixed on the outer wall of one end of the transmission shaft.
As a preferable technical scheme, the cleaning assembly comprises a guide rail welded on the outer wall of one side of the inner fin body, two supporting blocks symmetrically fixed on the outer wall of one side of the guide rail and a threaded vertical rod rotatably installed on the two supporting blocks.
As a preferable technical scheme, the cleaning component further comprises a threaded connecting block screwed on the threaded vertical rod, a sliding block fixed on the outer wall of the threaded connecting block and two brush rods symmetrically fixed on the outer walls of two sides of the sliding block.
As a preferable technical scheme, the outer wall of the bottom end of the threaded vertical rod is fixed with a rocking wheel, and the guide rail is in sliding connection with the sliding block.
As a preferable technical scheme, the outer walls of the adjacent sides of the two brush rods are respectively provided with bristles distributed equidistantly, and all the bristles are in contact with the surface of the inner fin body.
The beneficial effects of the utility model are as follows:
1. The space between each group of inner fins can be flexibly adjusted by designing the space-adjustable inner fin structure, so that the device can adapt to different use environment temperatures, and the application range is widened;
2. Through the clean subassembly of both sides design at each interior fin body, under the condition of not demolishing whole interior fin structure, can directly clear up the dust and the impurity that attach on each interior fin body's both sides, saved a large amount of time, improved whole cleaning efficiency.
Drawings
FIG. 1 is a schematic perspective view of the whole front view of the present utility model;
FIG. 2 is a schematic perspective view of a portion of the interior of a heat exchanger shell according to the present utility model;
FIG. 3 is a schematic perspective view of an adjustable pitch inner fin structure according to the present utility model;
fig. 4 is a schematic enlarged perspective view of a cleaning assembly according to the present utility model.
In the figure: 1. a heat exchanger housing; 2. a heat exchange tube; 3. a chute; 4. a transmission shaft; 5. driving a hand wheel; 6. a bidirectional screw unit; 7. a T-shaped adjusting rod; 8. an inner fin body; 9. a cleaning assembly; 10. a guide rail; 11. a support block; 12. a threaded vertical rod; 13. a threaded connecting block; 14. a slide block; 15. a brush bar; 16. brushing; 17. and (5) rocking the wheel.
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.
Embodiment 1, referring to fig. 1 to 3, an inner fin for a plate-fin heat exchanger includes a heat exchanger housing 1, a heat exchange tube 2 installed in the heat exchanger housing 1, and an inner fin structure with adjustable spacing, the inner fin structure with adjustable spacing including:
Chute 3: the chute 3 is arranged on the inner wall of the bottom of the heat exchanger shell 1;
transmission shaft 4: the transmission shaft 4 is rotatably arranged in the chute 3;
A plurality of equidistant adjustable inner fin components; the interval adjustable inner fin assembly comprises a bidirectional thread unit 6 arranged on the transmission shaft 4, two T-shaped adjusting rods 7 symmetrically screwed on two opposite thread ends of the bidirectional thread unit 6, and two inner fin bodies 8 symmetrically fixed on the top outer walls of the two T-shaped adjusting rods 7;
The outer wall of the T-shaped adjusting rod 7 is in sliding connection with the inner wall of the chute 3, the inner fin body 8 is in sliding connection with the heat exchange tube 2, and a driving hand wheel 5 is fixed on the outer wall of one end of the transmission shaft 4;
The working principle and the realization effect of the embodiment are as follows: the driving hand wheel 5 drives the transmission shaft 4 to rotate positively and negatively, and under the limit of the sliding groove 3, the bidirectional thread unit 6 rotates to drive the two T-shaped adjusting rods 7 to be close to or far away from each other, so that the distance between the inner fins of each group can be flexibly adjusted, and the device can adapt to different use environment temperatures, and widens the application range.
Example 2, with reference to fig. 1 and 3-4, this example is optimized on the basis of example 1, specifically:
Both sides of the inner fin body 8 are provided with cleaning components 9, and the cleaning components 9 comprise:
Guide rail 10: the guide rail 10 is welded on one side outer wall of the inner fin body 8, and the guide rail 10 is in sliding connection with the sliding block 14;
Two support blocks 11: the two supporting blocks 11 are symmetrically fixed on the outer wall of one side of the guide rail 10;
Screw thread montant 12: the thread vertical rod 12 is rotatably arranged on the two supporting blocks 11, and a shaking wheel 17 is fixed on the outer wall of the bottom end of the thread vertical rod 12;
threaded connection 13: the threaded connecting block 13 is screwed on the threaded vertical rod 12;
slide 14: the slide block 14 is fixed on the outer wall of the threaded connecting block 13;
Two brush bars 15: the two brush rods 15 are symmetrically fixed on the outer walls of the two sides of the sliding block 14, the outer walls of the adjacent sides of the two brush rods 15 are respectively provided with bristles 16 distributed at equal intervals, and all the bristles 16 are contacted with the surface of the inner fin body 8;
The working principle and the realization effect of the embodiment are as follows: through rocking wheel 17 drive screw thread montant 12 rotation, under the direction of guide rail 10, the screw thread connecting block 13 with screw thread montant 12 threaded connection can drive slider 14 and slide on guide rail 10, and then slider 14 can drive two brush-holder stud 15 and remove at the surface of interior fin body 8, can directly clear up the dust and the impurity direct of each two sides adhesion of interior fin body 8 under the condition of not demolising whole interior fin structure like this, has saved a large amount of time, has improved whole cleaning efficiency.
The application mode of the utility model is as follows:
Firstly, the driving hand wheel 5 drives the transmission shaft 4 to rotate positively and negatively, and under the limit of the chute 3, the bidirectional thread unit 6 rotates to drive the two T-shaped adjusting rods 7 to approach or separate from each other, so that the space between the fins in each group can be flexibly adjusted;
Secondly, through rocking wheel 17 drive screw thread montant 12 rotation, under the direction of guide rail 10, the screw thread connecting block 13 with screw thread montant 12 threaded connection can drive slider 14 and slide on guide rail 10, and then slider 14 can drive two brush-holder stud 15 and remove at the surface of interior fin body 8, can directly clear up the dust and the impurity that each two sides of interior fin body 8 are attached to under the condition of not demolishing whole interior fin structure like this.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. An inner fin for a plate-fin heat exchanger comprises a heat exchanger shell (1), a heat exchange tube (2) arranged in the heat exchanger shell (1) and an interval-adjustable inner fin structure;
The space adjustable inner fin structure is characterized by comprising a sliding groove (3) formed in the inner wall of the bottom of the heat exchanger shell (1), a transmission shaft (4) rotatably arranged in the sliding groove (3) and a plurality of space adjustable inner fin components which are equidistantly distributed;
the interval-adjustable inner fin assembly comprises a bidirectional thread unit (6) arranged on a transmission shaft (4), two T-shaped adjusting rods (7) symmetrically screwed on two opposite thread ends of the bidirectional thread unit (6) and two inner fin bodies (8) symmetrically fixed on the top outer walls of the two T-shaped adjusting rods (7), wherein cleaning assemblies (9) are arranged on two sides of each inner fin body (8).
2. An inner fin for a plate-fin heat exchanger according to claim 1, wherein the outer wall of the T-shaped adjusting rod (7) is slidably connected with the inner wall of the runner (3), and the inner fin body (8) is slidably connected with the heat exchange tube (2).
3. An inner fin for a plate-fin heat exchanger according to claim 1, wherein a driving hand wheel (5) is fixed to an outer wall of one end of the transmission shaft (4).
4. An inner fin for a plate-fin heat exchanger according to claim 1, wherein the cleaning assembly (9) comprises a guide rail (10) welded to an outer wall of one side of the inner fin body (8), two support blocks (11) symmetrically fixed to an outer wall of one side of the guide rail (10), and a screw thread vertical rod (12) rotatably mounted on the two support blocks (11).
5. An inner fin for a plate-fin heat exchanger according to claim 1, wherein the cleaning assembly (9) further comprises a threaded connection block (13) screwed on the threaded vertical rod (12), a sliding block (14) fixed on the outer wall of the threaded connection block (13), and two brush bars (15) symmetrically fixed on the outer walls of both sides of the sliding block (14).
6. An inner fin for a plate-fin heat exchanger according to claim 4, wherein the outer wall of the bottom end of the threaded vertical rod (12) is fixed with a rocking wheel (17), and the guide rail (10) is slidably connected with the slider (14).
7. An inner fin for a plate-fin heat exchanger according to claim 5, wherein the outer walls of the adjacent sides of the two brush bars (15) are provided with bristles (16) distributed equidistantly, and all the bristles (16) are in contact with the surface of the inner fin body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322871348.5U CN221123098U (en) | 2023-10-25 | 2023-10-25 | Inner fin for plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322871348.5U CN221123098U (en) | 2023-10-25 | 2023-10-25 | Inner fin for plate-fin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221123098U true CN221123098U (en) | 2024-06-11 |
Family
ID=91363633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322871348.5U Active CN221123098U (en) | 2023-10-25 | 2023-10-25 | Inner fin for plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221123098U (en) |
-
2023
- 2023-10-25 CN CN202322871348.5U patent/CN221123098U/en active Active
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