Slit fin type convergent-divergent tube heat exchanger

By using a slotted finned design with a sliding buckle and carriage structure, combined with the staggered superposition of straight cylindrical heat exchange tubes and long heat exchange fins, the problem of heat exchange pipeline fixation in traditional finned tube heat exchangers is solved, enabling flexible adjustment of heat exchange pipelines and improving space utilization and heat dissipation quality.

CN223741280UActive Publication Date: 2025-12-30XINXIANG HONGRUI MACHINERY EQUIPMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520144393.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-12-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

The heat exchange piping design of traditional finned tube heat exchangers is fixed, making it difficult to adjust according to different heat exchange requirements, which can easily lead to problems of excessive or insufficient heat exchange.

Method used

The design employs a slotted finned structure, which allows for vertical adjustment of the heat exchange tubes through a sliding buckle and carriage structure. Combined with the staggered superposition of straight cylindrical heat exchange tubes and long heat exchange fins, it allows installers to add or remove some heat exchange tubes as needed, enhancing the flexibility of heat exchange.

Benefits of technology

It improves space utilization and heat dissipation quality, achieves adaptive heat exchange, avoids excessive or insufficient heat exchange, and enhances the flexibility of the heat exchanger.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slot fin type convergent-divergent tube heat exchanger which comprises a plurality of heat exchange tubes, the heat exchange tubes are vertically distributed at equal intervals, sliding buckles are symmetrically fixed to the left side and the right side of each heat exchange tube, and sliding frames are symmetrically erected on the inner sides of the sliding buckles in the front-back direction. The front and back opposite sides of the sliding frame are correspondingly in up-down sliding fit with the heat exchange tubes, the front and back opposite sides of the sliding frame are correspondingly clamped with the sliding buckles in an up-down sliding mode, a plurality of long heat dissipation fins are symmetrically distributed on the outer sides of the heat exchange tubes in the up-down direction, and the long heat dissipation fins are distributed at equal intervals in the front-back direction; the vertical adjacent sides of the heat dissipation long fins are distributed in a front-back staggered mode, the multiple sections of straight barrel type heat dissipation pipes are arranged to be matched with the heat dissipation long fins to conduct staggered superposition in the vertical direction, the space utilization rate is increased, meanwhile, sliding buckles are matched with sliding frames to conduct scaling adjustment on the vertical positions of the heat exchange pipes, adaptive heat exchange is achieved, and the flexibility of the heat exchange pipes is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of finned tube heat exchangers, specifically a slotted finned tube heat exchanger. Background Technology

[0002] The basic heat transfer element of a finned tube heat exchanger is a finned tube, which consists of fins and a base tube. The finned tube heat exchanger is mainly composed of multiple rows of fins and multiple rows of base tubes passing through the fins. The working medium is inside the base tube and the air is outside the base tube. The air passes through the gaps between the fins of the finned tube heat exchanger and exchanges heat with the working medium inside the base tube through the outer wall of the base tube.

[0003] Traditional heat exchangers often feature integrated heat exchange piping designs, such as loops or spirals. This makes effective maintenance difficult when blockages occur in the piping. Furthermore, the heat exchange index of integrated piping systems is usually a fixed value, making it impossible to add or remove parts of the heat exchange piping according to different heat exchange requirements. This would prevent the heat exchanger from being compatible with the corresponding heat exchange medium and avoid problems of over- or under-heat exchange. Utility Model Content

[0004] The purpose of this utility model is to provide a slotted finned retractable tube heat exchanger that can improve space utilization and thus enhance heat dissipation quality. At the same time, it allows installers to add or remove some heat exchange tubes according to different heat exchange needs, achieving adaptive heat exchange, avoiding excessive or insufficient heat exchange, and improving its heat exchange flexibility.

[0005] To achieve the above objectives, a slotted finned retractable tube heat exchanger is provided, comprising heat exchange tubes, wherein several heat exchange tubes are equidistantly distributed vertically. Sliding fasteners are symmetrically fixed on both sides of each heat exchange tube. Sliding brackets are symmetrically mounted on the inner side of each sliding fastener, with opposite sides of each sliding bracket corresponding to the vertical sliding engagement of the heat exchange tubes. Baffles are symmetrically fixed and engaged on both sides of the sliding brackets. A tight-fitting interface is symmetrically provided at the center of opposite sides of each sliding fastener. U-shaped flexible guide tubes are staggered on both sides of the heat exchange tubes, and a mating end is fixedly connected to the side of each U-shaped flexible guide tube closest to the heat exchange tube. The mating end is inserted into... The heat exchange tube is inserted into the sealed interface and fixed with the sliding buckle. Several heat dissipation rings are arranged in a circular array on the outer side in the front-back direction. Several long heat dissipation fins are symmetrically distributed on the outer side of the heat exchange tube in the vertical direction. The long heat dissipation fins are equidistant in the front-back direction. The adjacent sides of the long heat dissipation fins are staggered in the front-back direction. By setting multiple straight cylindrical heat dissipation tubes in combination with long heat dissipation fins to be stacked in the vertical direction, the space utilization is improved, thereby improving the heat dissipation quality. At the same time, the sliding buckle and the slide bracket are used to adjust the vertical position of the heat exchange tube, so that the installer can add or remove some heat exchange tubes according to different heat exchange needs, so as to achieve adaptive heat exchange, avoid excessive or insufficient heat exchange, and improve the flexibility of heat exchange.

[0006] According to the aforementioned slotted finned retractable tube heat exchanger, each of the outer sides of the middle section of the U-shaped flexible tube is fixedly connected with a heat insulation ring, and the outer surface of the heat insulation ring is covered with an anti-slip film. This facilitates the hand-held loading and unloading of the U-shaped flexible tube for quick inspection and maintenance of each section of the heat exchange tube.

[0007] According to the aforementioned slotted finned retractable tube heat exchanger, a rectangular opening is provided at the center of the top of the partition plate located on the upper side of the slide. Dust-proof mesh covers are fixedly engaged on the outer sides of the rectangular opening. This increases the heat dissipation pathway while preventing dust from contaminating the fins.

[0008] According to the aforementioned slotted finned retractable tube heat exchanger, symmetrical feet are fixed to the bottom of the partition plate located on the lower side of the slide, and each foot has a layer of rubber pad attached to its bottom. This facilitates the vertical mounting of the entire device and maintains its stability.

[0009] According to the aforementioned slotted finned retractable tube heat exchanger, the uppermost sealed interface on the left side of the heat exchange tube is the liquid inlet, and the lowermost sealed interface is the liquid outlet. This facilitates distinguishing and positioning the inlet and outlet positions for corresponding connections, avoiding reversed connections.

[0010] According to the aforementioned slotted finned retractable tube heat exchanger, the front side of the long heat dissipation fins is provided with several grooves, which are equidistantly distributed in the vertical direction. This increases the outer surface area of ​​the fins and improves their heat dissipation efficiency.

[0011] According to the aforementioned slotted finned retractable tube heat exchanger, ventilation gaps are reserved between the staggered long heat dissipation fins. This facilitates sufficient contact and heat conduction between the fins and the external natural airflow.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In this invention, multiple straight cylindrical heat exchange tubes are arranged in a staggered manner with long heat exchange fins in the vertical direction to improve space utilization and thus enhance heat dissipation quality. At the same time, the sliding brackets are used to adjust the vertical position of the heat exchange tubes, allowing installers to add or remove some heat exchange tubes according to different heat exchange needs, achieving adaptive heat exchange, avoiding excessive or insufficient heat exchange, and improving the flexibility of heat exchange.

[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a schematic diagram showing the distribution of heat dissipation rings and long heat dissipation fins in a slotted finned retractable tube heat exchanger according to this utility model.

[0017] Figure 2 This is a schematic diagram of the connection structure of the U-shaped flexible conduit in a slotted finned retractable tube heat exchanger according to this utility model.

[0018] Figure 3 This is a schematic diagram showing the distribution of heat exchange tubes in a slotted finned retractable tube heat exchanger according to this utility model.

[0019] Figure 4 This is a schematic diagram of a slotted finned retractable tube heat exchanger according to the present invention.

[0020] In the diagram: 1. Heat exchange tube; 2. Sliding buckle; 3. Carriage; 4. Baffle; 5. Sealing joint; 6. Connecting end; 7. U-shaped flexible tube; 8. Insulation ring; 9. Heat dissipation ring fin; 10. Heat dissipation long fin; 11. Cable tray; 12. Dustproof mesh cover; 13. Foot pad; 14. Liquid outlet; 15. Liquid inlet. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a slotted finned retractable tube heat exchanger, including heat exchange tubes 1, several heat exchange tubes 1 are evenly distributed vertically, and sliding buckles 2 are symmetrically fixed on both sides of the heat exchange tubes 1. Slide brackets 3 are symmetrically mounted on the inner side of the sliding buckles 2, and the opposite sides of the slide brackets 3 are slidably engaged with the heat exchange tubes 1 vertically. The opposite sides of the slide brackets 3 are slidably engaged with the sliding buckles 2 vertically. Partition plates 4 are symmetrically engaged and fixed on the upper and lower sides of the slide brackets 3. A rectangular opening is provided at the center of the top of the partition plate 4 on the upper side of the slide brackets 3. A dustproof mesh cover 12 is engaged and fixed on the outer side of the rectangular opening vertically. Pads 13 are symmetrically fixed on the bottom of the partition plate 4 on the lower side of the slide brackets 3. A layer of rubber pad is attached to the bottom of each pad 13, so that the installer can add or remove some heat exchange tubes according to different heat exchange requirements to achieve adaptive heat exchange.

[0023] On the opposite sides of the sliding buckle 2, there are symmetrical sealed interfaces 5 at the center. The uppermost sealed interface 5 on the left side of the sliding buckle 2 is the liquid inlet 15, and the lowermost sealed interface 5 is the liquid outlet 14. U-shaped flexible tubes 7 are staggered on the left and right sides of the heat exchange tube 1. The outer side of the middle part of the U-shaped flexible tube 7 is fixedly connected to the heat insulation ring 8. The outer surface of the heat insulation ring 8 is covered with a layer of anti-slip film. The side of the U-shaped flexible tube 7 closest to the heat exchange tube 1 is fixedly connected to the docking end 6. The docking end 6 is inserted into the sealed interface 5 and locked with the sliding buckle 2, which facilitates the U-shaped flexible tube to be adapted to the arrangement of the heat exchange tube.

[0024] Several heat dissipation rings 9 are arranged in a ring array on the outer side of the heat exchange tube 1 in the front-back direction. Several heat dissipation long fins 10 are symmetrically distributed on the outer side of the heat exchange tube 1 in the vertical direction. The heat dissipation long fins 10 are equidistant in the front-back direction. The adjacent sides of the heat dissipation long fins 10 are staggered in the front-back direction. Ventilation gaps are reserved between the staggered heat dissipation long fins 10. Several wire grooves 11 are provided through the front side of the heat dissipation long fins 10. The wire grooves 11 are equidistant in the vertical direction. By setting multiple straight cylindrical heat dissipation tubes in combination with heat dissipation long fins to be staggered in the vertical direction, the space utilization rate is improved, thereby improving the heat dissipation quality.

[0025] Working principle: In this utility model, multiple straight cylindrical heat exchange tubes are set up in combination with heat dissipation fins 10 and stacked in an alternating manner in the vertical direction to improve space utilization and thus improve heat dissipation quality. At the same time, the sliding buckle 2 and the slide frame 3 are used to adjust the vertical position of the heat exchange tube 1, so that the installer can add or remove some heat exchange tubes 1 according to different heat exchange needs, so as to achieve adaptive heat exchange, avoid heat exchange over- or under-heat exchange, and improve its heat exchange flexibility. The specific operation of adding or removing heat exchange tubes 1 is as follows: first open the uppermost partition 4, then guide the heat exchange tubes 1 together with the sliding buckle 2 into the slide frame 3 from top to bottom according to the required equidistant spacing. After completion, close the partition 4, and then connect and fix the U-shaped soft tube 7 to each heat exchange tube 1 through the docking end 6.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A slit fin scaled tube heat exchanger comprising heat exchange tubes (1), characterized in that, The heat exchange pipe (1) is equidistantly distributed, the left and right sides of the heat exchange pipe (1) are symmetrically fixed with slide buckles (2), the inner sides of the slide buckles (2) are symmetrically erected with carriages (3), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically fixed with partitions (4), the opposite sides of the carriages (3) are symmetrically 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A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​ 3. A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​ 4. A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​ 5. A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​ 6. A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​ 7. A slit fin scaled tube heat exchanger as claimed in claim 1, wherein: ​