High-strength finned tube

Abstract

The utility model relates to the technical field of finned tubes, and discloses a high-strength finned tube which comprises an inner tube and a spiral plate, the spiral plate is arranged outside the inner tube in a spiral mode and is concentric with the inner tube, an outer tube is connected outside the inner tube, the spiral plate comprises an inner ring and an outer ring, the inner wall of the inner ring is connected with the outer wall of the outer tube, the outer ring is of a spiral structure, and the outer ring is connected with the outer tube. The inner wall of the inner ring is of a wave structure with the outer ring as the center for guiding, the outer wall of the inner ring is connected with the outer ring, a flange connecting assembly is arranged on the outer pipe, and a sealing assembly is arranged on the inner pipe. Compared with the prior art, the spiral plate has the advantages that the supporting strength of the spiral plate is enhanced conveniently, deformation of the spiral plate is prevented, heat exchange is improved conveniently, and maintenance is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to finned tube technical field, specifically point to a kind of high-strength finned tube. BACKGROUND

[0002] Finned tube can quickly and evenly transfer heat, ensuring the normal operation of equipment, so it is widely used in heat sink in industrial field.

[0003] And existing finned tube has multiple forms, such as longitudinal tooth type, ring tooth type and spiral tooth type, among them, spiral tooth type is most commonly used, and spiral tooth type finned tube mainly includes base pipe and spiral plate spirally arranged on the base pipe, wherein the spiral plate is relatively thin, and is prone to deformation under external pressure, thereby affecting heat dissipation efficiency and effect;In addition, the existing finned tube is connected by welding, which is not convenient to maintain. UTILITY MODEL CONTENT

[0004] I. Technical problems solved

[0005] The technical problem to be solved by the utility model is that the spiral plate is prone to deformation, thereby affecting heat dissipation efficiency and effect, and welding is not convenient to maintain.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the utility model provides a technical scheme: a high-strength finned tube, which comprises an inner tube and a spiral plate, the spiral plate is spirally arranged outside the inner tube and coaxially arranged with the inner tube, an outer tube is connected outside the inner tube, the spiral plate comprises an inner ring and an outer ring, the inner wall of the inner ring is connected with the outer wall of the outer tube, the outer ring is a spiral structure, the inner wall of the inner ring is a wave structure with the outer ring as the center guide, the outer wall of the inner ring is connected with the outer ring, a flange connection assembly is arranged on the outer tube, and a sealing assembly is arranged on the inner tube.

[0008] Further, the outer tube and the spiral plate are integrally formed and made of a material with high heat conduction efficiency and corrosion resistance.

[0009] Further, the flange connection assembly comprises a threaded rod and flange plates connected to both sides of the outer tube, a plurality of through holes are uniformly arranged on the circumference of the flange plate, the threaded rod passes through the through holes opposite to the through holes and is connected to the locking nuts at both ends through threads.

[0010] Further, the sealing assembly comprises a ring groove connected to one side of the inner tube, a sealing ring is arranged at the bottom end of the ring groove, an extension cylinder is arranged at the other end of the inner tube and matched with the ring groove, the extension cylinder is guided into the ring groove under the action of the flange connection assembly and realizes sealing cooperation through the sealing ring.

[0011] Further, the side of the ring groove close to the free end of the inner tube is a tapered expansion structure.

[0012] III. Advantages

[0013] The utility model has advantages compared with prior art:

[0014] The cooperation of the spiral plate formed by the inner tube, the outer tube, the inner ring and the outer ring is convenient for realizing the stable support of the outer ring through the wave structure on the inner side of the inner ring, thereby strengthening the support strength of the finned tube, additionally, the contact area between the inner ring and the outer tube can be increased, thereby improving the heat exchange efficiency between the inner side and the outer side of the finned tube, the detachable connection between the finned tubes or between the finned tube and the heat exchanger is realized through the setting of the flange connecting assembly, maintenance is convenient, and the setting of the sealing assembly avoids fluid leakage in the inner tube. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a high-strength finned tube.

[0016] Figure 2 It is a half-section structural schematic diagram of a high-strength finned tube.

[0017] Figure 3 It is a main-section structural schematic diagram of a high-strength finned tube.

[0018] Figure 4 It is Figure 3 An enlarged structural schematic diagram of A.

[0019] As shown in the figure: 1, inner tube, 2, spiral plate, 3, outer tube, 4, inner ring, 5, outer ring, 6, flange plate, 7, through hole, 8, ring groove, 9, sealing ring, 10, extension cylinder. DETAILED DESCRIPTION

[0020] The technical solutions 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. 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.

[0021] Embodiment one

[0022] In order to improve the support strength of the spiral plate 2 on the finned tube, combined with the drawings, Figure 1 and Figure 2The utility model provides a high -strength finned tube, including inner tube 1 and spiral plate 2, spiral plate 2 spirally is located in the outer of inner tube 1 and is concentric with the setting of inner tube 1, the outer connection of inner tube 1 is equipped with outer tube 3, spiral plate 2 includes inner ring 4 and outer ring 5, the outer ring 5 is spiral structure, the inner wall of inner ring 4 is connected with the outer wall of outer tube 3, the inner wall of inner ring 4 is the wave structure with the outer ring 5 as the center guide, the outer wall of inner ring 4 is connected with outer ring 5, so that the support groove of even distribution is generated between inner ring 4 and outer ring 5, the support groove of left and right can form a special triangular support structure, to strengthen the support strength of spiral plate 2 and improve the strength of finned tube, the outer tube 3 and spiral plate 2 are integrally formed and are the material with high heat conduction efficiency and corrosion -resistant function, the heat in inner tube 1 can be efficiently transferred to the surrounding environment through outer tube 3 and spiral plate 2, and the corrosion -resistant material, such as copper or stainless steel material, can avoid the easy corrosion of outer tube 3 and spiral plate 2, improve the applicability of finned tube.

[0023] Example two

[0024] On the basis of example one, in order to realize the detachable connection between finned tubes or between finned tube and heat exchanger, combining with the drawings of the utility model Figure 1 And Figure 2 The outer tube 3 is provided with a flange connection assembly, the flange connection assembly includes a threaded rod and flange plates 6 connected to both sides of the outer tube 3, the flange plates 6 are circumferentially and evenly provided with a plurality of through holes 7, the threaded rod passes through the through holes 7 and is connected to the flange plates 6 at both ends by means of threaded nuts.

[0025] In order to avoid the leakage of fluid in the inner tube 1 affecting the heat exchange efficiency, combining with the drawings of the utility model Figure 3 And Figure 4 The inner tube 1 is provided with a sealing assembly, the sealing assembly includes a ring groove 8 connected to one side of the inner tube 1, the ring groove 8 is tapered and expanded near the free end of the inner tube 1, facilitating the extension cylinder 10 to cooperate with the ring groove 8, the bottom end of the ring groove 8 is provided with a sealing ring 9, the other end of the inner tube 1 is provided with an extension cylinder 10 matched with the ring groove 8, the extension cylinder 10 is introduced into the ring groove 8 under the action of the flange connection assembly and realizes sealing cooperation through the sealing ring 9.

[0026] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

[0028] The above describes the present application and its embodiments, which are not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments to the technical solution, which should belong to the protection scope of the present application.

Claims

1. A high-strength finned tube comprising an inner tube (1) and a spiral plate (2) which is spirally arranged outside the inner tube (1) and is arranged concentrically with the inner tube (1), characterized in that: The outer pipe (3) and the spiral plate (2) are integrally formed and are made of material with high heat conduction efficiency and corrosion resistance.

2. A high strength finned tube according to claim 1, wherein: The flange connection assembly comprises a threaded rod and flange plates (6) connected to both sides of the outer pipe (3), the flange plates (6) are circumferentially and uniformly provided with a plurality of through holes (7), and the threaded rod passes through the through holes (7) and is provided with lock nuts at both ends through threaded connection.

3. The high strength finned tube of claim 1 wherein: The sealing assembly comprises a ring groove (8) connected to one side of the inner pipe (1), the ring groove (8) is provided with a sealing ring (9) at the bottom end, the other end of the inner pipe (1) is provided with an extension cylinder (10) matched with the ring groove (8), the extension cylinder (10) is guided into the ring groove (8) under the action of the flange connection assembly and realizes sealing cooperation through the sealing ring (9).

4. The high strength finned tube of claim 1 wherein: The ring groove (8) is a tapered expansion structure close to the free end of the inner pipe (1).

5. A high strength finned tube according to claim 4, wherein: ​

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