Multidirectional turbulent flow enhanced heat exchange tube

By combining threaded sleeves, retaining rings, and fixing rods, the problem of cumbersome installation and damage to tube sheets in existing multi-directional turbulence-enhanced heat exchange tubes is solved, enabling rapid replacement of tubes and stable system operation, and reducing maintenance costs.

CN223856266UActive Publication Date: 2026-01-30DONGGUAN YUEWEN SMART ENERGY CO LTD
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Patent Information

Application Number
CN202520418288.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-11
Publication Date
2026-01-30
Estimated Expiration
2035-03-11

AI Technical Summary

Technical Problem

The existing multi-directional turbulence-enhanced heat exchange tubes have a complicated installation process involving multiple steps and tools. Furthermore, welding and tube expansion adhesive may damage the tube sheet, affecting the stability and durability of the equipment.

Method used

The design employs a combination of threaded sleeves, retaining rings, collars, and fixing rods to enable quick disassembly and installation of the pipe body, avoiding high-temperature welding and mechanical damage, while ensuring stable installation of the pipe body through threaded connections.

Benefits of technology

It simplifies the tube replacement process, reduces operational difficulty and cost, protects the integrity of the tube sheet, improves system flexibility and maintenance convenience, and extends equipment service life.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of heat exchange, in particular to a multidirectional turbulent flow enhanced heat exchange tube which comprises a tube body, threaded tubes, fixing structures and limiting structures, spoilers are fixedly connected in the tube body, the two ends of the tube body are fixedly connected with the threaded tubes, the fixing structures used for fixing the tube body are installed at the two ends of the tube body, and the limiting structures are fixedly connected with the spoilers. The fixing structure comprises lantern rings, the outer walls of the two threaded pipes are both connected with the lantern rings in a sliding mode, and the ends, away from the pipe body, of the two lantern rings are both provided with limiting structures used for limiting the lantern rings. Operators only need to simply rotate the threaded sleeve to complete disassembly and assembly of the pipe body, complex tools or tedious welding, pipe expanding and other operations are not needed, and the pipe body replacement device has the advantages that the pipe body replacement is simple, convenient and rapid, damage to the pipe plate is reduced, the flexibility and maintainability of a system are improved, and maintenance is easy.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange technical field especially relates to a multi-directional turbulence enhanced heat exchange pipe. BACKGROUND

[0002] The multi-directional turbulence enhanced pipe body is a kind of high-efficiency heat exchange equipment component, it is effectively increased the flow path and turbulence degree of fluid in pipe by built-in turbulence plate design, to improve heat exchange efficiency, this pipe body is widely used in various industrial cooling systems, heating systems and refrigeration equipment, is the key component for realizing efficient energy utilization and energy saving and emission reduction;

[0003] In the existing pipe body installation process, especially for the pipe body replacement in large or complex system, a series of cumbersome steps are often needed, first, the operator needs to cut the original pipe body at specific position, then uses pipe puller to pull out the old pipe body from pipe plate, next, the pipe plate needs to be thoroughly cleaned to ensure the installation quality and sealing performance of new pipe body, then, new pipe body is placed in pipe plate hole one by one, and pipe expansion adhesive is applied between pipe plate and pipe body to enhance the connection strength, finally, pipe expander is used to expand the new pipe body, and the connection is further consolidated by welding, to ensure the stable operation of pipe body in system, however, the existing pipe body installation mode has many deficiencies, on the one hand, the whole installation process is relatively complicated, involves multiple steps and the use of multiple tools, not only time-consuming and laborious, but also increases the operation difficulty and cost, on the other hand, although the use of welding and pipe expansion adhesive improves the firmness of connection to a certain extent, but at the same time, it may cause a certain degree of damage to pipe plate, such as crack caused by thermal stress, mechanical damage in pipe expansion process, etc., these damages not only affect the strength and durability of pipe plate, but also may pose a potential threat to the long-term stable operation of pipe body.

[0004] Therefore, it is necessary to provide a new multi-directional turbulence enhanced heat exchange pipe to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the utility model provides a multi-directional turbulence enhanced heat exchange pipe.

[0006] The multi-directional turbulence enhanced heat exchange pipe provided by the utility model includes: pipe body, threaded pipe, fixed structure and limiting structure, the pipe body is fixedly connected with turbulence plate inside, both ends of the pipe body are fixedly connected with threaded pipe, both ends of the pipe body are provided with fixed structure for fixing pipe body, and the fixed structure includes: collar, the outer wall of two threaded pipes is slidably connected with collar, and the end, away from the pipe body, of two collars is provided with limiting structure for limiting collar.

[0007] Preferably, the fixing structure further comprises: a first rotating shaft, a first fixing rod, a second rotating shaft, a third rotating shaft and a second fixing rod, the pipe body is rotationally connected with the first rotating shaft at both ends at equal intervals, the first rotating shaft is fixedly connected with the first fixing rod on one side, the second rotating shaft is rotationally connected with the inner wall of the end of the first fixing rod away from the first rotating shaft, the sleeve ring is rotationally connected with the third rotating shaft at an end close to the pipe body at equal intervals, the third rotating shaft is fixedly connected with the second fixing rod on one side, and the second fixing rod is rotationally connected with the second rotating shaft at an end away from the third rotating shaft.

[0008] Preferably, the limiting structure comprises: a clamping groove, a threaded sleeve and a clamping ring, the end of the sleeve ring away from the third rotating shaft is provided with the clamping groove, the outer wall of the threaded pipe is threadedly connected with the threaded sleeve, the end of the threaded sleeve close to the sleeve ring is fixedly connected with the clamping ring, and the end of the clamping ring is rotationally arranged in the clamping groove.

[0009] Preferably, the inner wall of the sleeve ring is fixedly connected with an external spline, the outer wall of the threaded pipe is provided with an internal spline matched with the external spline, and the external spline slides in the internal spline.

[0010] Preferably, the outer wall of the sleeve ring is provided with storage grooves for storing the first fixing rod and the second fixing rod at equal intervals.

[0011] Preferably, the end of the first fixing rod and the second fixing rod close to each other is designed as an inclined surface, and when the inclined surfaces of the first fixing rod and the second fixing rod are in contact, the first fixing rod is perpendicular to the outer wall of the sleeve ring.

[0012] Preferably, the outer walls of the pipe body, the sleeve ring and the threaded sleeve have the same diameter.

[0013] Preferably, the spoiler is designed as a spiral, and can guide the airflow in the pipe body.

[0014] Compared with the related art, the multi-directional spoiler-enhanced heat exchange pipe has the following beneficial effects:

[0015] Simple and quick pipe body replacement:

[0016] The pipe body can be quickly replaced through the cooperation of the threaded sleeve, the clamping ring, the sleeve ring and the first fixing rod and the second fixing rod, and the pipe body can be disassembled and installed by simply rotating the threaded sleeve, without the need of using complex tools or performing tedious welding, pipe expanding and other operations, so that the time and labor cost are greatly saved.

[0017] Damage to the tube plate is reduced:

[0018] Compared with the traditional welding and pipe expanding and gluing installation mode, the pipe plate is prevented from being damaged by high-temperature welding and mechanical pipe expanding, the threaded connection and the clamping ring limiting design ensure the stable installation of the pipe body and protect the integrity and durability of the tube plate, thereby prolonging the service life of the equipment.

[0019] Improve the flexibility and maintainability of the system:

[0020] The pipe body installation method of the utility model allows to replace the damaged pipe body alone without disassembling the whole system, which not only improves the flexibility of the system, but also facilitates the subsequent maintenance and maintenance work, reduces the maintenance cost and time;

[0021] Easy to maintain and maintain:

[0022] Since the replacement process of the pipe body is simple and fast, the operator can easily check and replace the damaged pipe body, thereby ensuring the long-term stable operation of the system, and at the same time, this design also facilitates the subsequent maintenance and maintenance work, reduces the maintenance difficulty and cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure diagram of the multi-directional turbulence reinforced heat exchange pipe provided by the utility model is shown in the figure;

[0024] Figure 2 The structure diagram of the threaded sleeve is shown in the figure; Figure 1

[0025] Figure 3 The internal structure diagram of the pipe body is shown in the figure; Figure 2

[0026] Figure 4 The cross-sectional structure diagram of the sleeve ring is shown in the figure; Figure 3

[0027] Figure 5 The structure diagram of the external spline is shown in the figure. Figure 4 Reference numerals in the figure: 1, pipe body; 2, turbulence plate; 3, threaded pipe; 4, sleeve ring; 5, first rotating shaft; 6, first fixed rod; 7, second rotating shaft; 8, third rotating shaft; 9, second fixed rod; 10, clamping groove; 11, threaded sleeve; 12, clamping ring; 13, external spline; 14, internal spline; 15, storage groove.

[0028] DETAILED DESCRIPTION In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0030] Please refer to

[0031] Figures 1 to 5 ​​​​The multi-directional turbulent flow reinforced heat exchange pipe comprises a pipe body 1, threaded pipes 3, a fixing structure and a limiting structure, the pipe body 1 is internally fixedly connected with a turbulent plate 2, the pipe body 1 is fixedly connected with the threaded pipes 3 at both ends, the fixing structure for fixing the pipe body 1 is installed at both ends of the pipe body 1, the fixing structure comprises a sleeve ring 4, the sleeve ring 4 is slidably connected to the outer walls of the threaded pipes 3, the limiting structure for limiting the sleeve ring 4 is installed at the ends of the sleeve ring 4 away from the pipe body 1, the outer spline 13 is fixedly connected to the inner wall of the sleeve ring 4, the inner spline 14 matched with the outer spline 13 is formed in the outer wall of the threaded pipe 3, the outer spline 13 slides in the inner spline 14, the turbulent plate 2 is designed in a spiral shape and can guide the airflow in the pipe body 1;

[0032] It should be noted that the sliding of the outer spline 13 in the inner spline 14 can make the sleeve ring 4 slide along the axial direction of the threaded pipe 3, and at the same time, limit the rotation of the sleeve ring 4 along the circumferential direction of the threaded pipe 3 along with the rotation of the threaded sleeve 11 and the clasp 12;

[0033] Please refer to Figure 3 and Figure 4 The fixing structure further comprises a first rotating shaft 5, a first fixed rod 6, a second rotating shaft 7, a third rotating shaft 8 and a second fixed rod 9, the first rotating shaft 5 is equidistantly and rotatably connected to both ends of the pipe body 1, the first fixed rod 6 is fixedly connected to one side of the first rotating shaft 5, the second rotating shaft 7 is rotatably connected to the inner wall of the end of the first fixed rod 6 away from the first rotating shaft 5, the third rotating shaft 8 is equidistantly and rotatably connected to the end of the sleeve ring 4 close to the pipe body 1, the second fixed rod 9 is fixedly connected to one side of the third rotating shaft 8, the end of the second fixed rod 9 away from the third rotating shaft 8 is rotatably connected to the second rotating shaft 7, the storage grooves 15 for storing the first fixed rod 6 and the second fixed rod 9 are equidistantly formed in the outer wall of the sleeve ring 4, and the ends of the first fixed rod 6 and the second fixed rod 9 close to each other are designed in a bevel shape;

[0034] It should be noted that the bevel design of the first fixed rod 6 and the second fixed rod 9 can prevent the first fixed rod 6 and the second fixed rod 9 from interfering with each other during rotation, and when the first fixed rod 6 is perpendicular to the outer wall of the sleeve ring 4, the bevel design of the first fixed rod 6 and the second fixed rod 9 can make the second fixed rod 9 support the first fixed rod 6;

[0035] Please refer to Figure 3 and Figure 4The limiting structure comprises a clamping groove 10, a threaded sleeve 11 and a clamping ring 12, the clamping groove 10 is arranged on one end of the sleeve ring 4 away from the third rotating shaft 8, the threaded sleeve 11 is threadedly connected to the outer wall of the threaded pipe 3, the clamping ring 12 is fixedly connected to one end of the threaded sleeve 11 close to the sleeve ring 4, and one end of the clamping ring 12 rotates in the clamping groove 10; the outer wall of the pipe body 1, the sleeve ring 4 and the threaded sleeve 11 have the same diameter and the same center;

[0036] It should be noted that the outer wall of the pipe body 1, the sleeve ring 4 and the threaded sleeve 11 have the same diameter and the same center to avoid the influence of the sleeve ring 4 and the threaded sleeve 11 on the installation of the pipe body 1.

[0037] The working principle of the multi-directional turbulence enhanced heat exchange pipe is as follows:

[0038] When the heat exchange work is performed:

[0039] When the heat exchange gas enters from one end of the pipe body 1, the first encountered is the turbulence plate 2 arranged in the pipe body 1, the design of the turbulence plate 2 makes the airflow form multi-directional turbulence in the pipe, effectively increases the heat exchange area and time between the fluid and the pipe wall, thereby improving the heat exchange efficiency, with the continuous flow of the airflow, the heat is efficiently transferred to the pipe body 1 wall, and then the heat exchange with the external environment or the cooling medium through the pipe wall to achieve the purpose of cooling or heating, and the structure design of the pipe body 1 ensures the stable flow and efficient heat exchange of the airflow during the whole heat exchange process;

[0040] Replace the pipe body 1:

[0041] Clockwise rotate the threaded sleeve 11, the threaded sleeve 11 drive the snap ring 12 fixedly connected with it to rotate counterclockwise, the threaded sleeve 11 gradually away from the pipe body 1 along the axial direction of the threaded pipe 3 in the process of rotation, the threaded sleeve 11 drive the snap ring 12 away from the pipe body 1, the snap ring 12 rotates in the clamping groove 10 opened on one side of the sleeve ring 4, the snap ring 12 drive the sleeve ring 4 away from the pipe body 1 through the clamping groove 10, the outer spline 13 fixedly connected with the inner wall of the sleeve ring 4 slides inside the inner spline 14 opened on the outer wall of the threaded pipe 3, so the sleeve ring 4 will only slide horizontally along the axial direction of the threaded pipe 3, the sleeve ring 4 drive the third rotating shaft 8 fixedly connected with it away from the pipe body 1, the third rotating shaft 8 drive the bottom of the second fixed rod 9 fixedly connected with one side of it away from the pipe body 1 at the same time of rotation, the second fixed rod 9 gradually close to the sleeve ring 4 at the top while it is away from the pipe body 1 and drive the top of the second rotating shaft 7 and the first fixed rod 6 close to the sleeve ring 4, the first fixed rod 6 drive the first rotating shaft 5 to rotate, the first fixed rod 6 and the second fixed rod 9 stop rotating after being completely stored in the storage groove 15 opened on the outer wall of the sleeve ring 4, take the pipe body 1 out of the pipe plate, then insert the new pipe body 1 into the pipe plate, rotate the threaded sleeve 11 clockwise, the threaded sleeve 11 drive the snap ring 12 to rotate synchronously at the same time, the threaded sleeve 11 drive the snap ring 12 close to the pipe body 1 along the axial direction of the threaded pipe 3, the snap ring 12 drive the sleeve ring 4 close to the pipe body 1 through the clamping groove 10, the sleeve ring 4 drive the bottom of the third rotating shaft 8 and the second fixed rod 9 close to the pipe body 1, the top of the second fixed rod 9 drive the top of the first fixed rod 6 and the second rotating shaft 7 out of the storage groove 15 and gradually away from the sleeve ring 4 under the push of the sleeve ring 4, stop rotating the threaded sleeve 11 when the inclined surface of the first fixed rod 6 and the second fixed rod 9 contact, the pipe body 1 replacement is completed.

[0042] The above only describes the embodiment of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A multi-directional disturbed flow enhanced heat transfer tube, characterized in that, The utility model relates to a pipe body (1) is fixedly connected with the spoiler (2) inside, and the pipe body (1) both ends are fixedly connected with the threaded pipe (3), and the pipe body (1) both ends are installed with the fixed structure for fixing the pipe body (1), and the fixed structure includes: the lantern ring (4), two threaded pipe (3) outer wall are slidably connected with the lantern ring (4), and two lantern ring (4) are away from the pipe body (1) one end and are installed with the limiting structure for limiting the lantern ring (4). The fixed structure further includes: first pivot (5), first fixed rod (6), second pivot (7), third pivot (8) and second fixed rod (9), and the pipe body (1) both ends are equidistantly pivotally connected with first pivot (5), one side of first pivot (5) is fixedly connected with first fixed rod (6), one end of first fixed rod (6) away from first pivot (5) inner wall is pivotally connected with second pivot (7), one end of lantern ring (4) close to the pipe body (1) is equidistantly pivotally connected with third pivot (8), one side of third pivot (8) is fixedly connected with second fixed rod (9), and one end of second fixed rod (9) away from third pivot (8) is pivotally connected with second pivot (7). The limiting structure includes: the clamping groove (10), the threaded sleeve (11) and the clasp (12), one end of lantern ring (4) away from third pivot (8) is provided with the clamping groove (10), the threaded sleeve (11) is threadedly connected on the threaded pipe (3) outer wall, and one end of clasp (12) is fixedly connected with the threaded sleeve (11) close to the lantern ring (4), and one end of clasp (12) is pivotally arranged in the clamping groove (10). The outer spline (13) is fixedly connected on the inner wall of lantern ring (4), the threaded sleeve (11) outer wall is provided with the inner spline (14) matched with the outer spline (13), and the outer spline (13) slides in the inner spline (14). The outer wall of lantern ring (4) is equidistantly provided with the storage groove (15) for storing first fixed rod (6) and second fixed rod (9).

2. The multi-directional disturbed flow enhanced heat transfer tube according to claim 1, wherein, The end of first fixed rod (6) and second fixed rod (9) close to each other is designed as an inclined surface, when the inclined surface of first fixed rod (6) and second fixed rod (9) contacts, first fixed rod (6) is just perpendicular to the outer wall of lantern ring (4).

3. The multi-directional disturbed flow enhanced heat transfer tube according to claim 1, wherein, The outer wall diameter of pipe body (1), lantern ring (4) and threaded sleeve (11) is same.

4. The multi-directional disturbed flow enhanced heat transfer tube according to claim 1, wherein, The spoiler (2) is designed as a spiral.

5. The multi-directional disturbed flow enhanced heat transfer tube according to claim 2, wherein, ​ 6. The multi-directional disturbed flow enhanced heat transfer tube according to claim 2, wherein, ​ 7. The multi-directional disturbed flow enhanced heat transfer tube according to claim 3, wherein ​ 8. The multi-directional disturbed flow enhanced heat transfer tube according to claim 1, wherein, ​