Bimetal composite finned tube

Abstract

The utility model discloses a bimetal composite finned tube, and relates to the technical field of heat exchange tubes. The heat exchanger comprises a lining pipe, a plurality of outer pipe bodies and a plurality of connecting sleeves, the lining pipe is a thin-wall pipe body, the lining pipe is an aluminum pipe or a carbon steel pipe or a stainless steel pipe or a PVC pipe, the outer pipe bodies are thin-wall pipe bodies, a plurality of fins are arranged on the peripheral side faces of the outer pipe bodies, the outer pipe bodies are copper pipes, the connecting sleeves are of a copper sleeve structure, and the outer diameter of the connecting sleeves is larger than that of the fins. The plurality of outer pipe bodies and the plurality of connecting sleeves are sleeved on the lining pipe at intervals, and the outer pipe bodies, the connecting sleeves and the lining pipe are compositely connected through heat-conducting glue layers. The finned tube is designed into the inner tube and the outer tube, the inner tube is a lining tube and can be protected by selecting tube fittings made of different materials according to use requirements, the outer tube is a copper tube and is matched with the fins, so that the heat conduction capability can be greatly improved, the heat exchange efficiency of the finned tube is improved, and the service life of the finned tube is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat exchange pipe technical field, especially, relate to a bimetallic composite finned tube. BACKGROUND

[0002] For the finned tube of different fields, the finned tube material is different, such as aluminum pipe, carbon steel pipe, stainless steel pipe and copper pipe, compared with copper pipe, the rest of the material has relatively low thermal conductivity, thereby the heat exchange effect will be affected, however, copper pipe cannot have the characteristics of the rest of the material.

[0003] Therefore, the design of the bimetallic composite finned tube is a problem that needs to be solved by the staff in the field. SUMMARY

[0004] The utility model discloses a bimetallic composite finned tube, which is designed as an inner and outer double tube, the inner tube is a lining pipe, which can be protected by selecting different materials according to the use requirements, and the outer tube is a copper pipe with fins, which can greatly improve the heat conduction capacity and improve the heat exchange efficiency and service life of the finned tube.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a bimetallic composite finned tube, which comprises a lining pipe, a plurality of outer tube bodies and a plurality of connecting sleeves.

[0007] The lining pipe is a thin-walled pipe body, and the lining pipe is an aluminum pipe, a carbon steel pipe, a stainless steel pipe or a PVC pipe.

[0008] The outer tube body is a thin-walled pipe body, and the outer tube body is provided with a plurality of fins on the peripheral surface, and the outer tube body is a copper pipe.

[0009] The connecting sleeve is a copper sleeve structure, and the outer diameter of the connecting sleeve is greater than the outer diameter of the fin.

[0010] The plurality of outer tube bodies and the plurality of connecting sleeves are spaced apart and sleeved on the lining pipe, and the outer tube body and the connecting sleeve are connected to the lining pipe through a heat-conducting adhesive layer.

[0011] Further, the end faces of the two ends of the lining pipe are both connected to the sleeve, and a plurality of pressing points are arranged between the sleeve at the end of the lining pipe and the lining pipe.

[0012] Further, the end faces of the two ends of the sleeve are respectively attached to the end faces of the two adjacent lining pipes, and the peripheral surfaces of the two ends of the sleeve are both provided with guide slopes.

[0013] Further, the end of the sleeve is formed into a tapered sleeve end through the guide slopes, and the outer diameter of the small-diameter end of the tapered sleeve end is consistent with the outer diameter of the fin.

[0014] Further, the inner diameter of the connecting sleeve and the outer tube body are consistent with the outer diameter of the inner liner.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a finned tube is designed as inner and outer double tubes, and the inner tube is the inner liner pipe and can adopt the pipe fitting of different materials according to the use demand to play the protection function, and the outer tube is the copper pipe and cooperates the fin and can greatly improve the heat conduction capacity, improves the heat exchange efficiency and service life of finned tube.

[0017] 2. The utility model discloses the outer tube structure is divided into a plurality of outer tube bodies, and cooperates the design of connecting sleeve, and the both interval distribution can reduce the length of single outer tube body, is favorable to the setting of connecting of outer tube body and inner liner pipe, and the design of connecting sleeve can play the reinforcing effect, improves the strength, and connecting sleeve can be used as the welding point.

[0018] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0020] Figure 1 It is a structure schematic view of the bimetal composite finned tube of the utility model;

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1-inner liner pipe, 2-outer tube body, 3-connecting sleeve, 201-fin, 301-taper sleeve end. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0024] Please refer to Figure 1 As shown in the figure, the utility model is a bimetal composite finned tube, which comprises an inner liner pipe 1, a plurality of outer tube bodies 2 and a plurality of connecting sleeves 3.

[0025] The inner lining pipe 1 is a thin-walled pipe body, and the inner lining pipe 1 is an aluminum pipe or a carbon steel pipe or a stainless steel pipe or a PVC pipe;

[0026] The outer pipe body 2 is a thin-walled pipe body, and the outer pipe body 2 is provided with a plurality of fins 201 on the peripheral side surface, and the outer pipe body 2 is a copper pipe;

[0027] The connecting sleeve 3 is a copper sleeve structure, and the outer diameter of the connecting sleeve 3 is greater than the outer diameter of the fin 201;

[0028] The plurality of outer pipe bodies 2 and the plurality of connecting sleeves 3 are spaced and sleeved on the inner lining pipe 1, and the outer pipe body 2 and the connecting sleeve 3 are connected with the inner lining pipe 1 through a heat-conducting glue layer.

[0029] The connecting sleeve 3 is a copper sleeve structure, and the outer diameter of the connecting sleeve 3 is greater than the outer diameter of the fin 201;

[0030] As shown in the drawings, the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1, and the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1. Figure 1 As shown in the drawings, the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1, and the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1.

[0031] As shown in the drawings, the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1, and the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1. Figure 1 As shown in the drawings, the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1, and the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1.

[0032] As shown in the drawings, the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1, and the connecting sleeve 3 is provided with a plurality of connecting sleeves 3 on the two ends of the inner lining pipe 1.

[0033] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present application, many modifications and changes can be made. The present application selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present application, so that those skilled in the art can well understand and utilize the present application. The present application is limited by the claims and their entire scope and equivalents.

Claims

1. A bimetal composite finned tube characterized by: It comprises an inner lining pipe (1), a plurality of outer pipe bodies (2) and a plurality of connecting sleeves (3); The inner lining pipe (1) is a thin-walled pipe body, and the inner lining pipe (1) is an aluminum pipe, a carbon steel pipe, a stainless steel pipe or a PVC pipe; The outer pipe body (2) is a thin-walled pipe body, and the outer pipe body (2) is provided with a plurality of fins (201) on the peripheral side surface, and the outer pipe body (2) is a copper pipe; The connecting sleeve (3) is a copper sleeve structure, and the outer diameter of the connecting sleeve (3) is greater than the outer diameter of the fin (201); A plurality of the outer pipe bodies (2) and a plurality of the connecting sleeves (3) are sleeved on the inner lining pipe (1) in a spaced manner, and the outer pipe body (2) and the connecting sleeve (3) are connected with the inner lining pipe (1) through a heat-conducting adhesive layer.

2. The bimetal composite finned tube according to claim 1, wherein Both ends of the inner lining pipe (1) are provided with the connecting sleeve (3), and a plurality of pressing points are arranged between the connecting sleeve (3) at the end of the inner lining pipe (1) and the inner lining pipe (1).

3. The bimetal composite finned tube according to claim 1, wherein The connecting sleeve (3) is provided with a guide slope surface on the peripheral side surface of both ends.

4. The bimetal composite finned tube according to claim 3, wherein The connecting sleeve (3) is provided with a tapered sleeve end (301) at the end through the guide slope surface, and the outer diameter of the small-diameter end of the tapered sleeve end (301) is consistent with the outer diameter of the fin (201).

5. The bimetal composite finned tube according to claim 1, wherein The inner diameter of the connecting sleeve (3) and the inner diameter of the outer pipe body (2) are consistent with the outer diameter of the inner lining pipe (1).

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