CN219415809U - Wadding flow type heat exchanger - Google Patents
Wadding flow type heat exchanger Download PDFInfo
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- CN219415809U CN219415809U CN202320671971.3U CN202320671971U CN219415809U CN 219415809 U CN219415809 U CN 219415809U CN 202320671971 U CN202320671971 U CN 202320671971U CN 219415809 U CN219415809 U CN 219415809U
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Abstract
The utility model discloses a flocculation flow type heat exchanger, which comprises a lower end enclosure and an upper end enclosure, wherein the lower end enclosure and the upper end enclosure are vertically corresponding, a communicated heat exchange tube is arranged between the upper end enclosure and the lower end enclosure, the heat exchange tube is of a flat tube body structure, and the heat exchange tubes are uniformly arranged at intervals; and heat exchange fins are also arranged between two adjacent heat exchange tubes, the heat exchange fins in the same row are transversely arranged in parallel, the upper and lower intervals are uniform, the gaps between the two adjacent heat exchange fins are set as heat exchange gaps, and heat exchange air flows exchange heat with the heat exchange fins after passing through the heat exchange gaps. Besides the conventional heat exchange fins, each heat exchange fin is provided with a flocculation windshield, the flocculation windshield is fixed on the heat exchange fins in a crisscross mode, and on one hand, the flocculation windshield blocks heat exchange air flow to cause turbulent flow of the heat exchange air flow when the heat exchange air flow passes through a heat exchange gap, so that the entering air is changed from a stable laminar flow state to an unstable flocculation flow state, and the heat exchange efficiency is effectively increased.
Description
Technical Field
The utility model relates to the technical field of heat exchange in engineering machinery, in particular to a flocculation-type heat exchanger.
Background
In the prior art, the heat exchanger technology is widely applied to the technical fields of mechanical engineering, chemical industry, petrochemical industry, biomedical treatment and the like, the working principle of the heat exchanger in the prior art is that two flow directions are arranged in total, one flow direction is provided with hot fluid, the other flow direction is provided with cold fluid, the two fluids are separated by an aluminum pipe, heat exchange is realized by utilizing temperature difference, and the shape and the structure of a heat exchange fin arranged in the heat exchanger in the prior art directly determine the heat exchange efficiency of the heat exchanger.
For example: publication (bulletin) number: the technical scheme of CN102706181A discloses a heat exchanger assembly and engineering machinery, wherein an upper water chamber and a lower water chamber are arranged in the technical scheme, a heat exchange core body is arranged in the middle of the upper water chamber and the lower water chamber, and heat exchange of hot fluid can be realized through a heat exchange principle.
However, in the above technical solutions and the prior art solutions, the heat exchange fins in the heat exchanger are generally configured in a V-shaped fin structure or a parallel fin structure; for example: publication (bulletin) number: CN214010040U discloses V-shaped fins and publication (bulletin) numbers: CN205105517U discloses heat exchange fins parallel to each other.
Among the above-mentioned heat exchange fins that are parallel to each other, the air current of heat transfer flows through from parallel heat exchange fins, realizes with heat exchange fin heat transfer, but, the heat transfer area of heat exchange air current is limited in this technical scheme really, and the heat transfer area is only limited on parallel heat exchange fins, and the heat transfer area's limitation has led to current parallel fin's heat exchange efficiency not good.
The air flow is in a stable laminar state when passing through the heat exchange fins, the heat exchange air flow rapidly flows through the heat exchange gaps, sometimes the heat exchange air flow passes through the heat exchange gaps without well completing heat exchange, the heat exchange is incomplete, the heat exchange efficiency is very low, the heat exchange quality is not ideal, and the heat exchange air flow is required to be driven by a driving mechanism and then passes through the inside of the heat exchange gaps, so that the power energy of the heat exchange air flow is wasted, and the heat exchange air flow cannot be lost.
Therefore, in order to solve the above problems, there is a need to develop a flocculation heat exchanger that increases a heat exchange area and improves heat exchange efficiency.
Disclosure of Invention
The utility model aims at overcoming the defects in the prior art and provides a flocculation heat exchanger; the technical scheme is as follows:
the flocculation flow type heat exchanger comprises a lower end socket and an upper end socket which are vertically corresponding, wherein heat exchange tubes are arranged between the upper end socket and the lower end socket and are communicated, the heat exchange tubes are arranged in a flat tube body structure, and the heat exchange tubes are uniformly arranged at intervals; and heat exchange fins are also arranged between two adjacent heat exchange tubes, the heat exchange fins in the same row are transversely arranged in parallel, the upper and lower intervals are uniform, the gaps between the two adjacent heat exchange fins are set as heat exchange gaps, and heat exchange air flows exchange heat with the heat exchange fins after passing through the heat exchange gaps.
And each heat exchange fin is also provided with a plurality of flocculation flow air baffles, the flocculation flow air baffles are perpendicular to the heat exchange fins and are arranged in a crisscross manner, and the positions of the flocculation flow air baffles on two heat exchange fins which are adjacent up and down are arranged in a staggered manner, so that the heat exchange gaps between the heat exchange fins are in an S-shaped flow direction.
Further, the lower end enclosure is provided with a liquid inlet pipe, and the upper end enclosure is provided with a liquid outlet pipe; the liquid inlet pipe at the lower side enters the heat medium, and the liquid outlet pipe at the upper side discharges the medium after heat exchange.
Further, at least two flocculation flow windshield plates are arranged on each heat exchange fin; at least two flocculation windshield blades are arranged to form an S-shaped heat exchange flow channel, and the specific arrangement positions and the specific arrangement number can be set according to actual conditions.
Further, two sides of the flocculation windshield sheets on the heat exchange fins are correspondingly arranged on the heat exchange tubes on the two sides; the two sides of the wadding flow windshield can be directly arranged on the heat exchange tubes at the two sides, so that heat is conducted to the wadding flow windshield, the heat exchange efficiency is improved, but the heat exchange air flow is not facilitated.
Further, two ends of the flocculation flow damper blades on the heat exchange fins are not contacted with the heat exchange tubes on two sides, and the transverse length of the flocculation flow damper blades is set to be two thirds of the transverse length of the heat exchange fins; the wadding flow windshield can be simply arranged on the heat exchange fins without being arranged on the heat exchange tubes, and a certain distance can be reserved between the two sides of the wadding flow windshield, so that heat can be transferred to the wadding flow windshield through the heat exchange fins, and heat exchange air flow can flow through the two sides conveniently.
Further, the heights of the upper and lower end flocculation windshield plates of the heat exchange fins are 2-5mm; the distance between the upper heat exchange fin and the lower heat exchange fin in most heat exchangers is smaller, so that the height is not required to be set to be too large and only 2-5mm is required.
Further, the upper end part and the lower end part of each wadding flow windshield are also provided with windshield grooves, the windshield grooves are uniformly arranged at intervals, and when heat exchange air flow enters from the front, the heat exchange air flow can enter from the windshield grooves.
Further, the wind shielding grooves on the front and back wind shielding plates on the same heat exchanging fin are staggered, and air flow entering from the wind shielding grooves on the front side can be blown onto the wind shielding plates.
The beneficial effects are that: the utility model has the following beneficial effects:
1) Besides the conventional heat exchange fins, each heat exchange fin is provided with a flocculation windshield, and the flocculation windshield is fixed on the heat exchange fins in a crisscross mode, and on one hand, the flocculation windshield blocks the heat exchange air flow to cause the heat exchange air flow to generate turbulent flow when the heat exchange air flow passes through the heat exchange gaps, so that the entering air is changed from a stable laminar flow state to an unstable flocculation flow state, and the heat exchange efficiency is effectively increased; on the other hand, the heat exchanging fins can guide heat to the flocculation flow air baffle plate, so that the heat exchanging area is increased, the contact area with heat exchanging air flow is increased, and the heat exchanging efficiency is improved;
2) The flocculation flow wind baffles on the two heat exchange fins which are adjacent up and down are arranged in a staggered way, so that an S-shaped flow channel can be formed in the heat exchange gap, the stroke and the collision range of heat exchange air flow are increased, and the heat exchange efficiency is increased;
3) In the device, the wind shielding grooves are formed in the upper end and the lower end of the flocculation wind shielding plates, and the positions of the wind shielding grooves on the flocculation wind shielding plates on the front side and the rear side of the same heat exchange fin are arranged in a front-back staggered mode, so that after the heat exchange air flow on the front side is blown through the wind shielding plates from the wind shielding grooves, the heat exchange air flow can be blocked by the flocculation wind shielding plates on the rear side and blown out from the wind shielding plates on the two sides, the heat exchange air flow is enabled to collide back and forth to increase the turbulent flow area, and further the heat exchange efficiency is increased.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
FIG. 3 is a cross-sectional view B-B of FIG. 2;
fig. 4 is a view in the direction C of fig. 2.
Detailed Description
The utility model will be further illustrated by the following drawings and specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope of the utility model.
As shown in fig. 1, 2 and 3, the flocculation flow type heat exchanger comprises a lower end enclosure 1 and an upper end enclosure 2 which are corresponding to each other from top to bottom, wherein a heat exchange tube 3 which is communicated is arranged between the upper end enclosure 1 and the lower end enclosure 1, the heat exchange tube 3 is of a flat tube body structure, and the heat exchange tubes 3 are uniformly arranged at intervals; and heat exchange fins 4 are also arranged between two adjacent heat exchange tubes 3, the heat exchange fins 4 in the same column are transversely arranged in parallel, the upper and lower intervals are uniform, the gap between two adjacent heat exchange fins 4 is set as a heat exchange gap 5, and heat exchange air flow exchanges heat with the heat exchange fins 4 after passing through the heat exchange gap 5.
And a plurality of wadding flow windshield pieces 6 are also arranged on each heat exchange fin 4, the wadding flow windshield pieces 6 are perpendicular to the heat exchange fins 4 and are arranged in a crisscross manner, and the wadding flow windshield pieces 6 on two heat exchange fins 4 which are adjacent up and down are arranged in a staggered manner, so that the heat exchange gaps 5 between the heat exchange fins 4 are in an S-shaped flow direction.
Besides the conventional heat exchange fins, each heat exchange fin is provided with a flocculation windshield, and the flocculation windshield is fixed on the heat exchange fins in a crisscross mode, and on one hand, the flocculation windshield blocks the heat exchange air flow to cause the heat exchange air flow to generate turbulent flow when the heat exchange air flow passes through the heat exchange gaps, so that the entering air is changed from a stable laminar flow state to an unstable flocculation flow state, and the heat exchange efficiency is effectively increased; on the other hand, the heat exchanging fins can guide heat to the flocculation flow air baffle plate, so that the heat exchanging area is increased, the contact area with heat exchanging air flow is increased, and the heat exchanging efficiency is improved;
the lower seal head 1 is provided with a liquid inlet pipe 7, and the upper seal head 2 is provided with a liquid outlet pipe 8; at least two flocculation flow baffle plates 6 are arranged on each heat exchange fin 4.
Two sides of the flocculation windshield 6 on the heat exchange fin 4 are correspondingly arranged on the heat exchange tubes 3 on the two sides; the two ends of the flocculation flow damper 6 on the heat exchange fin 4 are not contacted with the heat exchange tubes 3 on the two sides, and the transverse length of the flocculation flow damper 6 is set to be two thirds of the transverse length of the heat exchange fin 4; the heights of the upper and lower end flocculation windshield plates 6 of the heat exchange fins are 2-5mm.
The flocculation flow windshield plates on the two heat exchange fins which are adjacent up and down are arranged in a staggered way, so that an S-shaped flow passage can be formed in the heat exchange gap, the stroke and the collision range of heat exchange air flow are increased, and the heat exchange efficiency is increased.
The upper and lower end parts of each wadding flow windshield 6 are also provided with windshield grooves 9, the windshield grooves 9 are uniformly arranged at intervals, and when heat exchange air flow enters from the front, the heat exchange air flow can enter from the windshield grooves 9.
The wind shielding grooves 9 on the front and back wind shielding plates 6 on the same heat exchanging fin 4 are staggered, and the air flow entering from the wind shielding grooves 9 on the front side can be blown onto the wind shielding plates 6.
The flocculation flow wind baffles on the two heat exchange fins which are adjacent up and down are arranged in a staggered way, so that an S-shaped flow channel can be formed in the heat exchange gap, the stroke and the collision range of heat exchange air flow are increased, and the heat exchange efficiency is increased;
in the device, the wind shielding grooves are further formed in the upper end and the lower end of the flocculation wind shielding plate, and the positions of the wind shielding grooves on the flocculation wind shielding plates on the front side and the rear side of the same heat exchanging fin are staggered front and back, as shown in fig. 3, after the heat exchanging air flow on the front side is blown through the wind shielding plates from the wind shielding grooves, the heat exchanging air flow can be blocked by the flocculation wind shielding plates on the rear side and blown out from the wind shielding plates on the two sides, so that the heat exchanging air flow is collided back and forth to increase the turbulence area, and further the heat exchanging efficiency is increased.
The above detailed description is only a preferred embodiment of the present utility model and is not intended to limit the scope of the claims, but all equivalent changes and modifications that can be made according to the protection scope of the claims are included in the scope of the claims.
Claims (8)
1. A batting flow heat exchanger, characterized in that: the heat exchange device comprises a lower end enclosure (1) and an upper end enclosure (2) which are vertically corresponding, wherein a heat exchange tube (3) is arranged between the upper end enclosure (1) and the lower end enclosure (1), the heat exchange tube (3) is of a flat tube structure, and the heat exchange tubes (3) are uniformly arranged at intervals; the heat exchange fins (4) are also arranged between two adjacent heat exchange tubes (3), the heat exchange fins (4) in the same row are transversely arranged in parallel, the upper and lower intervals are uniform, the gaps between two adjacent heat exchange fins (4) are set as heat exchange gaps (5), and heat exchange air flow exchanges heat with the heat exchange fins (4) after passing through the heat exchange gaps (5);
and a plurality of wadding flow windshield pieces (6) are also arranged on each heat exchange fin (4), the wadding flow windshield pieces (6) are perpendicular to the heat exchange fins (4) and are arranged in a crisscross manner, and the wadding flow windshield pieces (6) on two heat exchange fins (4) which are adjacent up and down are arranged in a staggered manner, so that heat exchange gaps (5) between the heat exchange fins (4) are in an S-shaped flow direction.
2. The heat exchanger of claim 1, wherein: the lower seal head (1) is provided with a liquid inlet pipe (7), and the upper seal head (2) is provided with a liquid outlet pipe (8).
3. The heat exchanger of claim 1, wherein: at least two flocculation windshield blades (6) are arranged on each heat exchange fin (4).
4. The heat exchanger of claim 1, wherein: two sides of the flocculation windshield (6) on the heat exchange fin (4) are correspondingly arranged on the heat exchange tubes (3) on the two sides.
5. The heat exchanger of claim 1, wherein: two ends of the flocculation flow windshield (6) on the heat exchange fin (4) are not contacted with the heat exchange tubes (3) at two sides, and the transverse length of the flocculation flow windshield (6) is two thirds of the transverse length of the heat exchange fin (4).
6. A heat exchanger according to claim 4 or 5, characterized in that: the heights of the upper and lower end flocculation windshield plates (6) of the heat exchange fins are 2-5mm.
7. The heat exchanger of claim 1, wherein: the upper end and the lower end of each wadding flow windshield blade (6) are also provided with windshield grooves (9), the windshield grooves (9) are uniformly arranged at intervals, and when heat exchange air flow enters from the front, the heat exchange air flow can enter from the windshield grooves (9).
8. The heat exchanger of claim 7, wherein: the wind shielding grooves (9) on the front and back wind shielding plates (6) on the same heat exchanging fin (4) are staggered, and air flow entering from the wind shielding grooves (9) on the front side can be blown onto the wind shielding plates (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320671971.3U CN219415809U (en) | 2023-03-30 | 2023-03-30 | Wadding flow type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320671971.3U CN219415809U (en) | 2023-03-30 | 2023-03-30 | Wadding flow type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219415809U true CN219415809U (en) | 2023-07-25 |
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ID=87203068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320671971.3U Active CN219415809U (en) | 2023-03-30 | 2023-03-30 | Wadding flow type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219415809U (en) |
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2023
- 2023-03-30 CN CN202320671971.3U patent/CN219415809U/en active Active
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