A spiral fin tube

Abstract

The utility model discloses a spiral fin tube, comprising a fin tube body, wherein the outer side of the fin tube body is fixedly connected with a spiral outer fin, the inner side of the spiral outer fin is equidistantly fixedly connected with a fixed inner fin, and two auxiliary side fins are fixedly connected to both sides of the fixed inner fin. The beneficial effects of the utility model are as follows: by adding a fixed disk, a liquid inlet through hole and a filter screen, the incoming fluid is filtered through the liquid inlet through hole in the fixed disk and the filter screen, and impurities are prevented from entering a No. 1 connecting tube and the fin tube body, and the impurities are prevented from affecting the fin tube body. By arranging the fixed inner fin, the No. 1 liquid through hole, the auxiliary side fin, the No. 2 liquid through hole and the spiral outer fin, the high-temperature fluid in the fin tube body is heat-conducted through the fixed inner fin and the auxiliary side fin, and then heat-conducted through the fin tube body and the spiral outer fin, thereby increasing the heat exchange area.

Description

Technical Field

[0001] The utility model relates to the technical field of fin tubes, in particular to a spiral fin tube. Background Art

[0002] Finned tubes are a type of heat exchange element. In order to improve the heat exchange efficiency, fins are usually added to the surface of the heat exchange tube to increase the outer surface area (or inner surface area) of the heat exchange tube, thereby achieving the purpose of improving the heat exchange efficiency. However, most existing finned tubes will have impurities in the fluid passing through them during use. If impurities enter the spiral finned tube, it is easy to cause adhesion and accumulation, which is likely to affect the normal circulation and use of the fluid in the long term. Utility Model Content

[0003] The utility model aims to provide a spiral fin tube to solve the problem in the above background technology that most of the existing fin tubes have impurities in the fluid passing through them during use, which easily causes adhesion and accumulation when entering the spiral fin tube, and easily affects the normal circulation and use of the fluid for a long time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spiral fin tube, comprising a fin tube body, a spiral outer fin fixedly connected to the outer side of the fin tube body, a fixed inner fin equidistantly fixedly connected to the inner side of the spiral outer fin, two auxiliary side fins fixedly connected to both sides of the fixed inner fin, the fixed inner fin is fixedly connected to the fin tube body, both ends of the fin tube body are provided with connecting holes, one end of the fin tube body is fixedly connected to a No. 1 connecting tube, the other end of the fin tube body is fixedly connected to a No. 2 connecting tube, the end of the No. 1 connecting tube away from the fin tube body is fixedly connected to a No. 1 tube ring, a fixed disk is installed on the inner side of the No. 1 tube ring, one side of the fixed disk is fixedly connected to a filter screen, and a liquid inlet through hole is provided inside the fixed disk.

[0005] As a preferred solution of the utility model: the fixing plate is mounted with the No. 1 pipe ring by means of mounting bolts.

[0006] As a preferred solution of the utility model: a limiting installation block is symmetrically fixedly connected to the outer side of the fixing plate, a limiting installation groove is symmetrically opened on the inner side of the No. 1 pipe ring, and the limiting installation block cooperates with the limiting installation groove.

[0007] As a preferred solution of the utility model: connecting through holes are equidistantly provided inside the spiral outer fins.

[0008] As a preferred solution of the utility model: a No. 1 liquid through hole is provided inside the fixed inner fin.

[0009] As a preferred solution of the utility model: a second liquid through hole is provided inside the auxiliary side fin.

[0010] As a preferred solution of the utility model: the end of the No. 2 connecting tube away from the fin tube body is fixedly connected with a No. 2 tube ring.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model adds a fixed plate, a liquid inlet hole and a filter net, so that the incoming fluid is filtered through the liquid inlet hole in the fixed plate and the filter net, thereby preventing impurities from entering the No. 1 connecting tube and the fin tube body, and preventing impurities from affecting the fin tube body. By setting fixed inner fins, No. 1 liquid holes, auxiliary side fins, No. 2 liquid holes and spiral outer fins, the high-temperature fluid in the fin tube body is heat-conducted through the fixed inner fins and the auxiliary side fins, and then heat-conducted through the fin tube body and the spiral outer fins, thereby increasing the heat exchange area. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the internal structure of the No. 1 pipe ring of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the fin tube body of the utility model;

[0014] Figure 3 It is a side view of the internal structure of the fin tube body of the utility model.

[0015] In the figure: 1. fin tube body; 2. spiral outer fin; 3. connecting through hole; 4. connecting pipe No. 1; 5. pipe ring No. 1; 6. fixing plate; 7. limiting mounting block; 8. limiting mounting groove; 9. filter screen; 10. fixed inner fin; 11. auxiliary side fin; 12. connecting pipe No. 2; 13. pipe ring No. 2; 14. connecting hole; 15. liquid hole No. 1; 16. liquid hole No. 2; 17. liquid inlet through hole; 18. mounting bolts. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figures 1 to 3The utility model provides a technical solution: a spiral fin tube, comprising a fin tube body 1, a spiral outer fin 2 is fixedly connected to the outer side of the fin tube body 1, a fixed inner fin 10 is fixedly connected to the inner side of the spiral outer fin 2 at an equidistant distance, two auxiliary side fins 11 are fixedly connected to both sides of the fixed inner fin 10, the fixed inner fin 10 is fixedly connected to the fin tube body 1, and connecting holes 14 are provided at both ends of the fin tube body 1, one end of the fin tube body 1 is fixedly connected to a No. 1 connecting pipe 4, the other end of the fin tube body 1 is fixedly connected to a No. 2 connecting pipe 12, and the end of the No. 1 connecting pipe 4 away from the fin tube body 1 is fixedly connected to a No. 1 tube ring 5, a fixed disk 6 is installed on the inner side of the No. 1 tube ring 5, a filter screen 9 is fixedly connected to one side of the fixed disk 6, and a liquid inlet through hole 17 is provided inside the fixed disk 6, and heat conduction treatment is performed through the fixed inner fin 10 on the inner side of the spiral outer fin 2, and heat conduction is performed through the auxiliary side fins 11 on both sides of the fixed inner fin 10, so as to conduct heat.

[0018] The fixing plate 6 is mounted on the first pipe ring 5 via mounting bolts 18 .

[0019] Among them, the outer side of the fixed plate 6 is symmetrically fixedly connected with a limiting installation block 7, and the inner side of the No. 1 pipe ring 5 is symmetrically provided with a limiting installation groove 8, and the limiting installation block 7 cooperates with the limiting installation groove 8. Through the cooperation of the limiting installation block 7 and the limiting installation groove 8, the fixed plate 6, the liquid inlet hole 17 and the filter screen 9 are installed, and the installation positions of the fixed plate 6, the liquid inlet hole 17 and the filter screen 9 are restricted.

[0020] The spiral outer fin 2 has connecting through holes 3 equidistantly formed inside, and the outer surface area is heat-exchanged through the spiral outer fin 2 , the connecting through holes 3 and the fin tube body 1 .

[0021] A first liquid through hole 15 is provided inside the fixed inner fin 10 , and heat conduction is performed by passing fluid through the first liquid through hole 15 in the fixed inner fin 10 .

[0022] A second liquid through hole 16 is provided inside the auxiliary side fin 11 , and the fluid passes through the second liquid through hole 16 in the auxiliary side fin 11 to conduct heat conduction.

[0023] The second connecting pipe 12 has one end away from the fin tube body 1 fixedly connected with the second tube ring 13 .

[0024] Specifically, when in use, the fluid is input through the No. 1 tube ring 5, and the filter screen 9 is filtered through the liquid inlet hole 17 in the fixed plate 6 to filter impurities. After filtration, the fluid enters the fin tube body 1 through the No. 1 connecting pipe 4 and the connecting hole 14, and is heat-conducted through the fixed inner fin 10 on the inner side of the spiral outer fin 2. The temperature is conducted through the auxiliary side fins 11 on both sides of the fixed inner fin 10. The fluid passes through the No. 1 liquid hole 15 in the fixed inner fin 10, and passes through the No. 2 liquid hole 16 in the auxiliary side fin 11. The external surface area is heat exchanged through the spiral outer fin 2, the connecting hole 3 and the fin tube body 1, so as to improve the heat exchange efficiency and conduct the heat in the fin tube body 1.

[0025] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0027] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A spiral fin tube, comprising a fin tube body (1), characterized in that: The outer side of the fin tube body (1) is fixedly connected to a spiral outer fin (2), the inner side of the spiral outer fin (2) is equidistantly fixedly connected to a fixed inner fin (10), both sides of the fixed inner fin (10) are fixedly connected to two auxiliary side fins (11), the fixed inner fin (10) is fixedly connected to the fin tube body (1), both ends of the fin tube body (1) are provided with connecting holes (14), one end of the fin tube body (1) is fixedly connected to a No. 1 connecting pipe (4), the other end of the fin tube body (1) is fixedly connected to a No. 2 connecting pipe (12), the end of the No. 1 connecting pipe (4) away from the fin tube body (1) is fixedly connected to a No. 1 tube ring (5), a fixed disk (6) is installed on the inner side of the No. 1 tube ring (5), one side of the fixed disk (6) is fixedly connected to a filter screen (9), and a liquid inlet through hole (17) is provided inside the fixed disk (6).

2. A spiral fin tube according to claim 1, characterized in that: The fixing plate (6) is mounted on the first pipe ring (5) via mounting bolts (18).

3. The spiral fin tube according to claim 1, characterized in that: A limiting installation block (7) is symmetrically fixedly connected to the outer side of the fixing plate (6), and a limiting installation groove (8) is symmetrically opened on the inner side of the No. 1 pipe ring (5), and the limiting installation block (7) cooperates with the limiting installation groove (8).

4. The spiral fin tube according to claim 1, characterized in that: The spiral outer fin (2) is provided with connecting through holes (3) at equal intervals inside.

5. The spiral fin tube according to claim 1, characterized in that: A first liquid passage hole (15) is provided inside the fixed inner fin (10).

6. The spiral fin tube according to claim 1, characterized in that: A second liquid passage hole (16) is provided inside the auxiliary side fin (11).

7. The spiral fin tube according to claim 1, characterized in that: One end of the No. 2 connecting pipe (12) away from the fin tube body (1) is fixedly connected to a No. 2 pipe ring (13).

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