Corrugated finned tube type heat exchanger for enhancing heat transfer
The design of the limiting frame and locking structure solves the problems of structural loosening and leakage in corrugated finned tube heat exchangers, achieving higher heat transfer efficiency and ease of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIAONING FAR EAST HEAT EXCHANGE EQUIP MFG CO LTD
- Filing Date
- 2025-03-29
- Publication Date
- 2026-04-17
AI Technical Summary
The existing corrugated finned tube heat exchangers do not take into account the frame installation structure in a comprehensive way, resulting in insufficient tightness of the structural connection, which may lead to leakage and loosening, affecting normal use.
The system employs a limiting frame and a snap-fit structure, using snap-fit strips, snap-fit plates, and bolts to ensure tight connections. The heat exchange tube assembly is also secured with bolts, enhancing structural stability and airtightness.
It improves the structural connection tightness of the corrugated finned tube heat exchanger, avoids leakage, enhances heat transfer efficiency, facilitates maintenance, and simplifies the use process.
Smart Images

Figure CN224136432U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat exchangers, specifically a corrugated finned tube heat exchanger for enhanced heat transfer. Background Technology
[0002] A heat exchanger is a device used to transfer heat between two or more fluids. Its core purpose is to achieve efficient heat transfer while avoiding direct mixing of fluids. A corrugated finned tube heat exchanger is a type of indirect heat exchanger that enhances heat transfer efficiency through special corrugated fins and is widely used for heat exchange between gases and liquids.
[0003] However, current corrugated finned tube heat exchangers still have some shortcomings. The existing corrugated finned tube heat exchangers have not fully considered the frame installation structure. During the use of corrugated finned tube heat exchangers, if the frame installation structure is not fully considered, the tightness of the structural connection cannot be well guaranteed. This may lead to leakage during subsequent operation of the heat exchanger, or even the frame structure may loosen, seriously affecting the normal use of the heat exchanger and making it inconvenient for staff to use the corrugated finned tube heat exchanger.
[0004] Therefore, there is an urgent need to improve this shortcoming. This utility model studies and improves the existing structure and its deficiencies, and provides a corrugated finned tube heat exchanger that enhances heat transfer. Utility Model Content
[0005] The purpose of this invention is to provide a corrugated finned tube heat exchanger that enhances heat transfer, in order to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a corrugated finned tube heat exchanger for enhanced heat transfer, comprising a supporting base plate, a limiting frame, and a heat exchange tube assembly. Supporting columns are fixedly connected to the four corners of the bottom of the supporting base plate, and connecting side plates are provided on the front and rear sides of the upper part of the supporting base plate. A connecting top plate is provided between the upper parts of the connecting side plates. Limiting plates are welded to the bottom of the supporting base plate and the top of the connecting top plate. The limiting frame is respectively located on the left and right sides of the upper part of the supporting base plate, and a guide frame is welded to the outer side of the limiting frame. A connecting flange is fixedly connected to the outer wall of the end of the guide frame. The heat exchange tube assembly is located inside the connecting side plates and includes a heat exchange straight tube, a corrugated fin structure, a limiting retaining ring, a U-shaped heat exchange tube, a connecting pipe, and connecting parts.
[0007] Furthermore, the connecting side plate has locking strips welded to its upper and lower sides, and the connecting side plate is respectively locked to the supporting bottom plate and the connecting top plate through the locking strips.
[0008] Furthermore, the upper and lower surfaces of the connecting side plate are welded with first clamping plates, which are engaged and connected to the inside of the limiting plate, and the first clamping plates are fixedly connected to the limiting plate by bolts.
[0009] Furthermore, the connecting side plate is engaged with the inner side of the limiting frame, and the connecting top plate and the supporting bottom plate are engaged with the inner side of the limiting frame, respectively. Sealing gaskets are fixedly adhered at the connection points between the connecting side plate and the limiting frame and between the connecting top plate and the limiting frame.
[0010] Furthermore, the limiting frame has second clamping plates welded to its upper and lower sides, and the second clamping plates are engaged and connected to the inside of the limiting plate on the left and right sides, and the second clamping plates are fixedly connected to the limiting plate by bolts.
[0011] Furthermore, the outer wall of the middle section of the heat exchange straight tube is provided with a corrugated fin structure, and the surface of the connecting side plate is provided with a circular hole, and the heat exchange straight tube is engaged with the connecting side plate through the circular hole.
[0012] Furthermore, the outer sides of both ends of the heat exchange straight tube are engaged with limiting rings, and the limiting rings are located on the outer side of the connecting side plate. Additionally, a U-shaped heat exchange tube is engaged with the outer side of the end of the heat exchange straight tube.
[0013] Furthermore, a connecting pipe is engaged with the outer side of the end of the heat exchange straight tube, and a connecting piece is rotatably connected to the outer wall of the end of the U-shaped heat exchange tube and the connecting pipe, and the connecting piece contacts the side of the limiting ring, and the connecting piece is fixedly connected to the connecting side plate by bolts.
[0014] This utility model provides a corrugated finned tube heat exchanger that enhances heat transfer, and has the following beneficial effects:
[0015] 1. This utility model features a limiting frame. During the use of the corrugated finned tube heat exchanger, the inner side of the limiting frame engages with the connecting side plate at the front and rear, respectively, and the connecting top plate and the supporting bottom plate engage with the upper and lower sides of the limiting frame. Bolts are used to fix the first and second clamping plates respectively, ensuring the tightness of the structural connection and preventing the structural connection from loosening during subsequent use of the heat exchanger. This ensures the smooth operation of the heat exchanger, improves the airtightness of the structure, prevents leakage during subsequent operation of the heat exchanger, and facilitates subsequent maintenance of the heat exchanger's interior. The structure is simple and easy for operators to use the corrugated finned tube heat exchanger.
[0016] 2. This utility model is equipped with a heat exchange tube assembly. During the use of the corrugated finned tube heat exchanger, bolts are used to fix the U-shaped heat exchange tube and the connecting pipe end outer wall limiting rotation connection, thereby completing the connection of the U-shaped heat exchange tube or the connecting pipe, which enables the subsequent heat exchange tube assembly to operate smoothly, increases the heat exchange surface area, improves heat exchange efficiency, increases the secondary heat exchange area inside the tube, enhances the disturbance and turbulence of the medium inside the tube, and makes the heat flux density per unit volume of the heat exchanger high, thereby further enhancing the heat transfer inside the tube. The structure is simple and convenient for operators to use the corrugated finned tube heat exchanger. Attached Figure Description
[0017] Figure 1 This is a three-dimensional structural diagram of a corrugated finned tube heat exchanger for enhanced heat transfer according to this utility model.
[0018] Figure 2 This is a three-dimensional bottom view of the corrugated finned tube heat exchanger for enhanced heat transfer according to this utility model.
[0019] Figure 3 This is a three-dimensional structural diagram of the support base plate and connecting flange of a corrugated finned tube heat exchanger for enhanced heat transfer according to this utility model.
[0020] Figure 4 This is a three-dimensional structural diagram of the heat exchange tube assembly of a corrugated finned tube heat exchanger for enhanced heat transfer according to this utility model.
[0021] In the diagram: 1. Support base plate; 2. Support column; 3. Connecting side plate; 4. Connecting top plate; 5. Clamping strip; 6. Limiting plate; 7. First clamping plate; 8. Limiting frame; 9. Second clamping plate; 10. Guide frame; 11. Connecting flange; 12. Heat exchanger tube assembly; 1201. Heat exchanger straight tube; 1202. Corrugated fin structure; 1203. Limiting retaining ring; 1204. U-shaped heat exchanger tube; 1205. Connecting pipe; 1206. Connecting component. Detailed Implementation
[0022] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model. Example
[0023] like Figures 1-3As shown, a corrugated finned tube heat exchanger with enhanced heat transfer includes a supporting base plate 1, a limiting frame 8, and a heat exchange tube assembly 12. Supporting columns 2 are fixedly connected to the four corners of the bottom of the supporting base plate 1. Connecting side plates 3 are provided on the front and rear sides of the upper part of the supporting base plate 1, and a connecting top plate 4 is provided between the upper parts of the connecting side plates 3. Engaging strips 5 are welded to the upper and lower sides of the connecting side plates 3, and the connecting side plates 3 are engaged with the supporting base plate 1 and the connecting top plate 4 respectively through the engaging strips 5. Limiting plates 6 are welded to the bottom of the supporting base plate 1 and the top of the connecting top plate 4. First locking plates 7 are welded to the upper and lower surfaces of the connecting side plates 3, and the first locking plates 7 are engaged with the interior of the limiting plates 6. 7 is fixedly connected to the limiting plate 6 by bolts. The limiting frame 8 is respectively set on the left and right sides above the supporting base plate 1. The connecting side plate 3 is engaged with the inner side of the limiting frame 8 from front to back. The connecting top plate 4 and the supporting base plate 1 are engaged with the inner side of the limiting frame 8 from top to bottom. Sealing gaskets are fixedly adhered at the connection between the connecting side plate 3 and the limiting frame 8 and the connection between the connecting top plate 4 and the limiting frame 8. The sides of the limiting frame 8 are welded with the second clamping plate 9 from top to bottom. The second clamping plate 9 is engaged with the inner left and right sides of the limiting plate 6. The second clamping plate 9 is fixedly connected to the limiting plate 6 by bolts. The outer side of the limiting frame 8 is welded with the guide frame 10. The outer wall of the end of the guide frame 10 is fixedly connected with the connecting flange 11.
[0024] The specific operation is as follows: The operator uses the locking strips 5 welded to the upper and lower sides of the connecting side plate 3 to lock the connecting side plate 3 between the supporting bottom plate 1 and the connecting top plate 4. The first locking plate 7 welded to the upper and lower surfaces of the connecting side plate 3 is then inserted into the interior of the limiting plate 6. Bolts are used to fix the first locking plate 7 and the limiting plate 6. Then, the second locking plate 9 welded to the upper and lower sides of the limiting frame 8 is gradually inserted into the interior of the limiting plate 6, so that the interior of the limiting frame 8 is locked with the connecting side plate 3. The connecting top plate 4 and the supporting bottom plate 1 are locked into the interior of the limiting frame 8, respectively. Bolts are then used to fix the second locking plate 9 and the limiting plate 6 to ensure the tightness of the structural connection. The structure is simple and convenient for operators to use the corrugated finned tube heat exchanger. Example
[0025] like Figure 1 , Figure 2 and Figure 4As shown, the heat exchanger tube assembly 12 is disposed inside the connecting side plate 3, and the heat exchanger tube assembly 12 includes a heat exchanger straight tube 1201, a corrugated fin structure 1202, a limiting retaining ring 1203, a U-shaped heat exchanger tube 1204, a connecting pipe 1205, and a connector 1206. The middle section of the heat exchanger straight tube 1201 is provided with a corrugated fin structure 1202 on its outer wall, and a circular hole is provided on the surface of the connecting side plate 3. The heat exchanger straight tube 1201 is engaged with the connecting side plate 3 through the circular hole, and the outer ends of the heat exchanger straight tube 1201 are engaged. A limiting ring 1203 is connected, and the limiting ring 1203 is located on the outside of the connecting side plate 3. A U-shaped heat exchange tube 1204 is engaged with the outside of the end of the heat exchange straight tube 1201. A connecting tube 1205 is engaged with the outside of the end of the heat exchange straight tube 1201. A connecting piece 1206 is rotatably connected to the outer wall of the end of the U-shaped heat exchange tube 1204 and the connecting tube 1205. The connecting piece 1206 contacts the side of the limiting ring 1203. The connecting piece 1206 is fixedly connected to the connecting side plate 3 by bolts.
[0026] The specific operation is as follows: using the circular holes on the surface of the connecting side plate 3, the heat exchange straight tube 1201 is clamped between the connecting side plates 3. Then, the limiting retaining ring 1203 is clamped on the outer side of the end of the heat exchange straight tube 1201. After that, the U-shaped heat exchange tube 1204 or the connecting tube 1205 is sleeved on the outer side of the end of the heat exchange straight tube 1201. The connecting piece 1206, which limits the rotational connection of the end of the U-shaped heat exchange tube 1204 and the connecting tube 1205, is fixed with bolts, so that the connecting piece 1206 is fixed to the surface of the connecting side plate 3, thereby completing the connection of the U-shaped heat exchange tube 1204 or the connecting tube 1205, so that the subsequent heat exchange tube assembly 12 can operate smoothly. The structure is simple and convenient for operators to use the corrugated finned tube heat exchanger.
[0027] In summary, this enhanced heat transfer corrugated finned tube heat exchanger, based on Figures 1-4The structure shown, in the use of the corrugated finned tube heat exchanger, firstly, the operator uses the locking strips 5 welded to the upper and lower sides of the connecting side plate 3 to lock the connecting side plate 3 between the supporting base plate 1 and the connecting top plate 4. The first locking plate 7 welded to the upper and lower surfaces of the connecting side plate 3 is then inserted into the interior of the limiting plate 6, front and back, and bolts are used to fix the first locking plate 7 and the limiting plate 6. Next, the second locking plate 9 welded to the upper and lower sides of the limiting frame 8 is gradually inserted into the interior of the limiting plate 6, front and back, so that the inner side of the limiting frame 8 engages with the connecting side plate 3. The connecting top plate 4 and the supporting base plate 1 are respectively locked into the inner upper and lower sides of the limiting frame 8. Finally, bolts are used to fix the second locking plate 9 and the limiting plate 6, ensuring the tightness of the structural connection. In addition, the heat exchange straight tube 1201 is clamped between the connecting side plates 3 using the circular holes on the surface of the connecting side plate 3. Then, the limiting retaining ring 1203 is clamped on the outer side of the end of the heat exchange straight tube 1201. After that, the U-shaped heat exchange tube 1204 or the connecting tube 1205 is sleeved on the outer side of the end of the heat exchange straight tube 1201. The connecting piece 1206, which limits the rotational connection of the end of the U-shaped heat exchange tube 1204 and the connecting tube 1205, is fixed with bolts, so that the connecting piece 1206 is fixed to the surface of the connecting side plate 3, thereby completing the connection of the U-shaped heat exchange tube 1204 or the connecting tube 1205, so that the subsequent heat exchange tube assembly 12 can operate smoothly. The structure is simple and convenient for operators to use the corrugated finned tube heat exchanger.
[0028] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A corrugated finned tube heat exchanger for enhancing heat transfer, comprising a supporting base plate (1), a limiting frame (8) and a heat exchange tube assembly (12), characterized in that, The bottom four corners of the support base plate (1) are fixedly connected with support columns (2), and the front and rear sides of the support base plate (1) are provided with connecting side plates (3), and the top of the connecting side plates (3) is provided with a connecting top plate (4). The bottom of the support base plate (1) and the top of the connecting top plate (4) are both welded with limit plates (6). The limit frames (8) are respectively provided on the left and right sides above the support base plate (1), and the outer side of the limit frames (8) is welded with guide frames (10), and the outer wall of the end of the guide frames (10) is fixedly connected with a connecting flange (11). The heat exchange tube assembly (12) is provided on the inner side of the connecting side plate (3), and the heat exchange tube assembly (12) includes a heat exchange straight tube (1201), a corrugated fin structure (1202), a limit ring (1203), a U-shaped heat exchange tube (1204), a connecting pipe (1205), and a connector (1206).
2. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The connecting side plate (3) has locking strips (5) welded on the upper and lower sides, and the connecting side plate (3) is connected to the supporting bottom plate (1) and the connecting top plate (4) respectively by the locking strips (5).
3. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The upper and lower surfaces of the connecting side plate (3) are welded with a first clamping plate (7), and the first clamping plate (7) is engaged and connected to the inside of the limiting plate (6) from front to back. The first clamping plate (7) is fixedly connected to the limiting plate (6) by bolts.
4. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The connecting side plate (3) is engaged with the inner side of the limiting frame (8) in a front-to-back snap-fit connection, and the connecting top plate (4) and the supporting bottom plate (1) are engaged with the inner side of the limiting frame (8) in a top-to-bottom snap-fit connection, and sealing gaskets are fixedly adhered at the connection points between the connecting side plate (3) and the limiting frame (8) and between the connecting top plate (4) and the limiting frame (8).
5. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The side of the limiting frame (8) is welded with a second card plate (9), and the second card plate (9) is engaged and connected to the inside of the limiting plate (6) on the left and right sides. The second card plate (9) is fixedly connected to the limiting plate (6) by bolts.
6. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The outer wall of the middle section of the heat exchange straight tube (1201) is provided with a corrugated fin structure (1202), and the surface of the connecting side plate (3) is provided with a circular hole, and the heat exchange straight tube (1201) is engaged with the connecting side plate (3) through the circular hole.
7. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The heat exchange straight tube (1201) is connected to the outer sides of both ends by a limiting ring (1203), and the limiting ring (1203) is located on the outer side of the connecting side plate (3). A U-shaped heat exchange tube (1204) is connected to the outer side of the end of the heat exchange straight tube (1201).
8. A corrugated finned tube heat exchanger as claimed in claim 1, wherein, The heat exchange straight tube (1201) is connected to a connecting tube (1205) on the outer side of its end, and the U-shaped heat exchange tube (1204) and the connecting tube (1205) are connected to a connecting piece (1206) on the outer wall of their ends for a limited rotation. The connecting piece (1206) is in contact with the side of the limiting ring (1203), and the connecting piece (1206) is fixedly connected to the connecting side plate (3) by bolts.