Thin-wall corrugated heat exchange tube

Abstract

The utility model discloses a thin-wall corrugated heat exchange tube, which comprises heat exchange straight tubes, corrugated tube sleeves and heat exchange bent tubes, the outer sides of the heat exchange straight tubes are sleeved with the corrugated tube sleeves, the end parts of the heat exchange straight tubes are spliced and assembled end to end through the heat exchange bent tubes, and the heat exchange straight tubes are all of thin-wall structures. The corrugated pipe sleeve is arranged on the heat exchange straight pipe, buffering protection can be achieved through the corrugated pipe sleeve, the heat exchange pipe has deformation-resistant compensation capacity, the service life of the heat exchange pipe is prolonged, the heat transfer layer is arranged on the inner side wall of the heat exchange straight pipe, the heat transfer layer is of a concave-convex structure, the contact area is increased, and the heat exchange efficiency can be improved. The first connectors are arranged at the two ends of the straight heat exchange pipe, the second connectors are arranged at the two ends of the bent heat exchange pipe, the straight heat exchange pipe and the second connectors can be conveniently fixed in a threaded mode through the first connectors, the straight heat exchange pipe and the bent heat exchange pipe can be assembled, flexibility is greatly improved, and the heat exchange pipe can be assembled into a coil pipe structure.

Description

Technical Field

[0001] The utility model relates to the relevant field of thin-wall corrugated heat exchange tubes, in particular to a thin-wall corrugated heat exchange tube. Background Art

[0002] Heat exchange tubes are used for heat exchange control. They are one of the components of heat exchangers and are placed inside the cylinder to exchange heat between two media. In addition to plain tubes, heat exchangers can also use a variety of enhanced heat transfer tubes, such as finned tubes, threaded tubes, spiral grooved tubes, etc. When the heat transfer coefficients on both sides of the inner diameter of the tube differ greatly, the fins of the finned tube should be arranged on the side with a lower heat transfer coefficient;

[0003] For example, the authorized patent with publication number CN217977819U (heat exchange tubes that are easy to splice): including a tube body, a first fixing ring is provided on one side of the tube body, a first connecting ring is provided on the side of the first fixing ring away from the tube body, an external thread is provided on the outer side of the first connecting ring, a second fixing ring is provided on the side of the tube body away from the first fixing ring, a connecting plate is sleeved on the outer side of the tube body, the outer side of the connecting plate is fixedly connected to the second connecting ring, the inner side of the second connecting ring is provided with an internal thread, and the first connecting ring and the second connecting ring are fixedly connected by threads. This type of aluminum tube has a simple structure, is easy to operate, has high sealing performance, has excellent corrosion resistance, is easy to install and disassemble between adjacent aluminum tubes, and effectively improves the convenience of connection between tube bodies;

[0004] The heat exchange tubes of the prior art are not convenient to assemble and adopt an integral structure, which is not convenient to disassemble and replace. In addition, the heat absorption and conversion during the heat exchange process is not uniform. The inner wall of the ordinary pipe adopts a flat structure with a small contact area, which makes its heat exchange efficiency low. Utility Model Content

[0005] The purpose of the utility model is to provide a thin-walled corrugated heat exchange tube to solve the problems proposed in the above background technology that the heat exchange tube is not convenient to assemble, adopts an integral structure, is not convenient to disassemble and replace, and the heat absorption and conversion during the heat exchange process is not uniform. The inner wall of the ordinary pipe adopts a flat structure with a small contact area, which makes its heat exchange efficiency low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a thin-walled corrugated heat exchange tube, comprising a heat exchange straight tube, a corrugated tube sleeve and a heat exchange bent tube, the outer side of the heat exchange straight tube is sleeved with a corrugated tube sleeve, and the ends of multiple heat exchange straight tubes are spliced ​​and assembled by finishing with heat exchange bent tubes, and the heat exchange straight tubes are all set to be thin-walled structures.

[0007] In a further embodiment, the bellows sleeve and the heat exchange straight pipe are configured as an integral structure, and a corrugated layer is provided on the bellows sleeve.

[0008] In a further embodiment, a corrugated layer is provided on the heat exchange bend, and the heat exchange bend is configured as an angle-adjustable structure.

[0009] In a further embodiment, both ends of the heat exchange elbow are provided with a second connector, and a mounting hole is provided inside the second connector.

[0010] In a further embodiment, both ends of the heat exchange straight tube are provided with a first connector, and the first connector is threadedly fixed to the mounting hole in the middle of the second connector.

[0011] In a further embodiment, a flow guide cavity is provided inside the heat exchange straight tube, and a heat transfer layer is provided on the inner cavity wall of the flow guide cavity.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a bellows sleeve on the heat exchange straight tube, which can be used for buffering protection and make the heat exchange tube have anti-deformation compensation ability, thereby increasing its service life. A heat transfer layer is provided on the inner wall of the heat exchange straight tube, and the heat transfer layer is provided with a concave-convex structure, so that the contact area is increased and the heat exchange efficiency can be improved.

[0014] 2. The utility model has first connectors at both ends of the heat exchange straight tube, and second connectors at both ends of the heat exchange bent tube. The first connector is conveniently threaded with the second connector, so that the heat exchange straight tube can be assembled with the heat exchange bent tube, which greatly improves flexibility and enables the heat exchange tubes to be assembled into a coil structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a thin-walled corrugated heat exchange tube of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the heat exchange straight tube of the utility model;

[0017] Figure 3 It is a top view of the heat exchange elbow of the utility model;

[0018] Figure 4 This is the front view of the heat exchange elbow of the utility model;

[0019] Figure 5 It is a structural schematic diagram of part A of the utility model.

[0020] In the figure: 1. heat exchange straight pipe; 2. bellows sleeve; 3. heat exchange bent pipe; 4. first connector; 5. second connector; 6. mounting hole; 7. heat transfer layer; 8. flow guide cavity. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-5 The utility model provides an embodiment: a thin-walled corrugated heat exchange tube, comprising a heat exchange straight tube 1, a corrugated tube sleeve 2 and a heat exchange elbow 3. The outer side of the heat exchange straight tube 1 is sleeved with a corrugated tube sleeve 2, and the ends of multiple heat exchange straight tubes 1 are assembled and spliced ​​by the heat exchange elbow 3, and the heat exchange straight tubes 1 are all set to a thin-walled structure; the corrugated tube sleeve 2 can be used to perform corrugated buffering protection on the outer side of the heat exchange straight tube 1, and thermal compensation can be performed, the heat exchange elbow 3 is used for diversion, and multiple heat exchange straight tubes 1 can be assembled, and the heat exchange straight tube 1 is used for diversion and heat exchange; the corrugated tube sleeve 2 and the heat exchange straight tube 1 are set to an integral structure, and the corrugated tube sleeve 2 is provided with a corrugated layer. The integral design makes the heat exchange of the heat exchange straight tube 1 more stable and has a longer service life; the heat exchange elbow 3 is provided with a corrugated layer, and the heat exchange elbow 3 is set to an angle-adjustable structure. The heat exchange elbow 3 designed in this way is more flexible to use and can be assembled in different directions and angles.

[0023] Both ends of the heat exchange elbow 3 are provided with a second connector 5, and the inside of the second connector 5 is provided with a mounting hole 6, through which the heat exchange elbow 3 and the heat exchange straight tube 1 can be conveniently inlaid and assembled, and can be threadedly fixed with the first connector 4 through the mounting hole 6; both ends of the heat exchange straight tube 1 are provided with a first connector 4, and the first connector 4 is threadedly fixed with the mounting hole 6 in the middle of the second connector 5; the inside of the heat exchange straight tube 1 is provided with a guide cavity 8, and the inner cavity wall of the guide cavity 8 is provided with a heat transfer layer 7, which is used for guide, and the heat transfer efficiency can be improved through the heat transfer layer 7.

[0024] Working principle: When in use, the two ends of the heat exchange elbow 3 are assembled with the first connectors 4 at both ends of the heat exchange straight tube 1 through the second connector 5. The outer side of the heat exchange straight tube 1 can be thermally compensated and buffered through the corrugated tube sleeve 2. The heat transfer layer 7 can transfer heat to the inside of the heat exchange straight tube 1 to increase the heat transfer efficiency. The heat exchange elbow 3 can be used for flow diversion, and multiple heat exchange straight tubes 1 can be assembled in one place. The first connector 4 can be used to conveniently introduce the fluid into the heat exchange straight tube 1.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A thin-walled corrugated heat exchange tube, comprising a heat exchange straight tube (1), a corrugated tube sleeve (2) and a heat exchange bent tube (3), characterized in that: The outer side of the heat exchange straight tube (1) is sleeved with a corrugated tube sleeve (2), and the ends of a plurality of the heat exchange straight tubes (1) are assembled by being terminated and spliced ​​by heat exchange elbows (3), and the heat exchange straight tubes (1) are all configured as thin-wall structures.

2. The thin-walled corrugated heat exchange tube according to claim 1, characterized in that: The bellows sleeve (2) and the heat exchange straight pipe (1) are configured as an integral structure, and a corrugated layer is provided on the bellows sleeve (2).

3. The thin-walled corrugated heat exchange tube according to claim 1, characterized in that: The heat exchange bend (3) is provided with a corrugated layer, and the heat exchange bend (3) is configured as an angle-adjustable structure.

4. The thin-walled corrugated heat exchange tube according to claim 1, characterized in that: Both ends of the heat exchange elbow (3) are provided with second connectors (5), and the interior of the second connector (5) is provided with a mounting hole (6).

5. The thin-walled corrugated heat exchange tube according to claim 1, characterized in that: Both ends of the heat exchange straight tube (1) are provided with a first connector (4), and the first connector (4) is threadedly fixed to a mounting hole (6) in the middle of a second connector (5).

6. The thin-walled corrugated heat exchange tube according to claim 1, characterized in that: A flow guide cavity (8) is provided inside the heat exchange straight tube (1), and a heat transfer layer (7) is provided on the inner cavity wall of the flow guide cavity (8).

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