Finned tube for single-tube heat transfer
By designing a heat transfer fin positioning device, the problems of deformation and material waste during the winding and welding process of finned tubes were solved, achieving efficient heat transfer and simplified assembly, thereby improving heat transfer efficiency and production efficiency.
Patent Information
- Application Number
- CN202520308727.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing finned tubes are prone to deformation and wrinkles during the winding and welding process, resulting in limited heat exchange area, inconvenient production and processing, serious material waste, and low heat transfer efficiency.
The heat transfer fin positioning device, including docking components and heat transfer components, is adopted. Through the design of heat dissipation assembly grooves, heat transfer aluminum plates and conduction grooves, efficient heat transfer and simplified assembly are achieved.
It improves heat transfer efficiency, enhances transfer efficiency, reduces assembly difficulty, and simplifies the production process.
Smart Images

Figure CN223815018U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to finned tube technical field, more specifically, the utility model relates to a single tube heat transfer's finned tube. BACKGROUND
[0002] The method is used for increasing heat transfer area and improving heat transfer coefficient in the convection section of industrial heating furnace. The finned tube is made of steel belt made into fins, welded to the outer wall of the convection pipe (steel pipe) in a certain way, and the steel belt is wound and welded on the outer wall of the steel pipe to form different inner and outer radii of the steel belt. In the winding and welding process, the root of the fin will be deformed and wrinkled. The cross section of this kind of finned tube is generally square or other complex geometric shapes, the heat exchange area is limited, the heat exchange efficiency is poor, and the production and processing are extremely inconvenient, which can easily cause waste of materials. SUMMARY
[0003] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a single tube heat transfer's finned tube to solve the problems raised in the above background art.
[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a single tube heat transfer's finned tube, comprising an inner tube, a heat transfer fin positioning device is installed on the outer wall of the inner tube, the heat transfer fin positioning device comprises: a butt joint assembly and a heat transfer assembly, the heat transfer assembly is arranged on the outer wall of the butt joint assembly, and the butt joint assembly is arranged on the outer wall of the inner tube.
[0005] In a preferred embodiment, the butt joint assembly comprises an outer tube, a heat dissipation assembly groove and a fin plate, the inner wall of the fin plate is installed on the outer wall of the outer tube, and the inner wall of the outer tube is installed on the outer wall of the inner tube.
[0006] In a preferred embodiment, the heat transfer assembly comprises an embedded groove, a heat dissipation hole group, a heat transfer aluminum plate and a conduction groove, the conduction groove is arranged in the inner side of the heat transfer aluminum plate, and the embedded groove is arranged in the fin plate.
[0007] In a preferred embodiment, the heat dissipation assembly groove is provided with a plurality of groups, and the plurality of heat dissipation assembly grooves are arranged on the outer wall of the outer tube.
[0008] In a preferred embodiment, the heat dissipation hole group is provided with two groups, and the two heat dissipation hole groups are arranged on the inner and outer walls of the fin plate on both sides.
[0009] In a preferred embodiment, the heat transfer aluminum plate is provided with a plurality of groups, and the plurality of heat transfer aluminum plates are triangular, and the outer wall of the rear end of the heat transfer aluminum plate is installed on the outer wall of the fin plate on both sides.
[0010] In a preferred embodiment, the heat transfer aluminum plate lower end model size is same as the heat dissipation assembly groove inner model size, the heat dissipation assembly grooves are provided with multiple groups, the number of the heat dissipation assembly grooves is same as the number of the heat transfer aluminum plates, and the heat transfer aluminum plate lower end is butted in the heat dissipation assembly groove.
[0011] The technical effects and advantages of the utility model are as follows:
[0012] Compared with the prior art, when the heat transfer assembly is installed and used, the heat can be transmitted to the heat dissipation assembly groove arranged at the lower end, and the heat is transmitted outward by multiple groups of heat transfer aluminum plates in the heat transfer aluminum plate, the device transmits heat by the heat conduction mode of the inner wall fitting and embedding, greatly improves the heat transfer effect of the whole device, further enhances the transmission efficiency of the whole assembly, and greatly reduces the use and assembly difficulty of the whole device by simple welding installation mode. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the whole structure schematic view of the utility model.
[0014] Figure 2 It is the heat transfer fin positioning device structure schematic view of the utility model.
[0015] Figure 3 It is the butt joint assembly structure schematic view of the utility model.
[0016] Figure 4 It is the heat transfer assembly structure schematic view of the utility model.
[0017] The figure mark is: 1, inner pipe; 2, heat transfer fin positioning device; 21, butt joint assembly; 211, outer pipe; 212, heat dissipation assembly groove; 213, fin plate; 22, heat transfer assembly; 221, inner embedding groove; 222, heat dissipation hole group; 223, heat transfer aluminum plate; 224, conduction groove. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] As shown in the accompanying drawings Figures 1-4The utility model provides a kind of finned tube of single tube heat transfer, including inner tube 1, heat transfer fin positioning device 2 is installed in the outer wall of inner tube 1, heat transfer fin positioning device 2 includes: butt joint component 21 and heat transfer component 22, heat transfer component 22 is arranged in the outer wall of butt joint component 21, butt joint component 21 is opened in the outer wall of inner tube 1.
[0020] Butt joint component 21 includes: outer tube 211, heat dissipation assembly groove 212 and fin plate 213, fin plate 213 inner wall is installed in the outer wall of outer tube 211, the outer wall of outer tube 211 is installed in the outer wall of inner tube 1, heat dissipation assembly groove 212 is opened with multiple groups, and multiple heat dissipation assembly grooves 212 are opened in the outer wall of outer tube 211 respectively.
[0021] Heat transfer component 22 includes: inlay groove 221, heat dissipation hole group 222, heat transfer aluminum plate 223 and conduction groove 224, conduction groove 224 is opened in the side inner portion of heat transfer aluminum plate 223, inlay groove 221 is opened in the inside of fin plate 213, heat dissipation hole group 222 is opened with two groups, and two heat dissipation hole groups 222 are opened in the inner and outer walls of fin plate 213 two sides respectively, heat transfer aluminum plate 223 is provided with multiple groups, and multiple heat transfer aluminum plates 223 are in triangle, the outer wall of heat transfer aluminum plate 223 rear end is installed in the outer wall of fin plate 213 two sides, the lower end size of heat transfer aluminum plate 223 is same with the inside size of heat dissipation assembly groove 212, heat dissipation assembly groove 212 is provided with multiple groups, the number of heat dissipation assembly grooves 212 is same with the number of heat transfer aluminum plate 223, and the lower end of heat transfer aluminum plate 223 is butt jointed in the inside of heat dissipation assembly groove 212.
[0022] The utility model discloses a kind of finned tube of single tube heat transfer, including inner tube 1, heat transfer fin positioning device 2 is installed in the outer wall of inner tube 1, heat transfer fin positioning device 2 includes: butt joint component 21 and heat transfer component 22, heat transfer component 22 is arranged in the outer wall of butt joint component 21, butt joint component 21 is opened in the outer wall of inner tube 1.
[0023] The utility model discloses a kind of finned tube of single tube heat transfer, including inner tube 1, heat transfer fin positioning device 2 is installed in the outer wall of inner tube 1, heat transfer fin positioning device 2 includes: butt joint component 21 and heat transfer component 22, heat transfer component 22 is arranged in the outer wall of butt joint component 21, butt joint component 21 is opened in the outer wall of inner tube 1.
[0024] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;
[0025] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;
[0026] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.
Claims
1. A finned tube for single tube heat transfer comprising an inner tube (1), characterized in that: The inner tube (1) is provided with heat transfer fin positioning device (2) on the outer wall; The heat transfer fin positioning device (2) comprises: butt joint assembly (21) and heat transfer assembly (22), the heat transfer assembly (22) is arranged on the outer wall of butt joint assembly (21), the butt joint assembly (21) is opened on the outer wall of inner tube (1).
2. A single tube heat transfer finned tube according to claim 1, characterized in that: The butt joint assembly (21) comprises: outer tube (211), heat dissipation assembly groove (212) and fin plate (213), the fin plate (213) is installed on the outer wall of outer tube (211), and the outer tube (211) is installed on the outer wall of inner tube (1).
3. A single tube heat transfer finned tube according to claim 2, wherein: The heat transfer assembly (22) comprises: embedded groove (221), heat dissipation hole group (222), heat transfer aluminum plate (223) and conduction groove (224), the conduction groove (224) is opened in the inner side of heat transfer aluminum plate (223), and the embedded groove (221) is opened in the fin plate (213).
4. A single tube heat transfer finned tube according to claim 2, wherein: The heat dissipation assembly groove (212) is provided with a plurality of groups, and the plurality of heat dissipation assembly grooves (212) are arranged on the outer wall of outer tube (211).
5. A single tube heat transfer finned tube according to claim 3, wherein: The heat dissipation hole group (222) is provided with two groups, and the two heat dissipation hole groups (222) are arranged on the inner and outer walls of the two sides of fin plate (213).
6. A single tube heat transfer finned tube according to claim 3, wherein: The heat transfer aluminum plate (223) is provided with a plurality of groups, and the plurality of heat transfer aluminum plates (223) are triangular, and the heat transfer aluminum plate (223) is installed on the outer wall of the two sides of fin plate (213).
7. A single tube heat transfer finned tube as claimed in claim 3, wherein: The lower end of heat transfer aluminum plate (223) is the same size as the heat dissipation assembly groove (212), the heat dissipation assembly groove (212) is provided with a plurality of groups, the number of heat dissipation assembly grooves (212) is the same as the number of heat transfer aluminum plates (223), and the lower end of heat transfer aluminum plate (223) is butt jointed in the heat dissipation assembly groove (212).