CN219415794U

CN219415794U - Fin heat exchange tube type closed heat exchanger

Info

Publication number: CN219415794U
Application number: CN202320499216.1U
Authority: CN
Inventors: 李敬文
Original assignee: Shandong Grad Group Co Ltd
Current assignee: Shandong Grad Group Co Ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-25
Anticipated expiration: 2033-03-15

Abstract

The utility model relates to a fin heat exchange tube type closed heat exchanger, which comprises a heat exchanger and heat exchange tubes thereof, wherein fin assemblies are arranged between the heat exchange tubes, two sides of each fin assembly are respectively contacted with adjacent heat exchange tubes and fixedly arranged, each fin assembly comprises a plurality of groups of fin bodies, and micro channels which are vertically distributed are formed between the fin bodies; the heat exchanger has reasonable structural design, and the fin assembly is added on the structure of the existing closed heat exchanger and is used for contacting the heat exchange tube to increase the heat exchange area of the heat exchanger, and meanwhile, the heat exchange assembly with the micro-channels is adopted, so that the heat dissipation effect of air and spray water on the heat exchange tube is realized, and the space between the heat exchanger can be fully utilized, and the heat exchange efficiency of the heat exchanger is improved.

Description

Fin heat exchange tube type closed heat exchanger

Technical Field

The utility model relates to the technical field of heat exchange equipment, in particular to a fin heat exchange tube type closed heat exchanger.

Background

In the prior art, in order to prevent the cooling water from being polluted, a heat exchanger for circulating the cooling water generally adopts a combined structure of a heat exchange tube, a water collector and a water distributor, and heat exchange is carried out through the metal surface and outside spray water in the heat exchange process, however, the heat exchange surface of the heat exchanger with the structure is mainly concentrated on the heat exchange tube, when the heat exchange tube is arranged, a certain interval space exists between the adjacent heat exchange tubes in the heat exchanger in the prior art, and the interval space cannot realize heat exchange use of the cooling water, so that space waste is caused, and the heat exchange efficiency of the heat exchanger cannot be improved.

Aiming at the defects in the prior art, a supplement structure is necessarily designed on the basis of the structure of the existing heat exchanger, and the heat exchange efficiency is improved by supplementing the interval space of the heat exchange tubes by arranging a heat conduction device between the heat exchange tubes.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a fin heat exchange tube type closed heat exchanger, and aims to improve the heat exchange efficiency by arranging heat exchange fins between heat exchange tubes and fully utilizing the interval space of the heat exchanger through the heat exchange fins.

The technical scheme adopted for solving the technical problems is as follows:

a fin heat exchange tube type closed heat exchanger comprises a water collector, a water distributor and a heat exchange tube; a fin assembly is arranged between every two adjacent heat exchange tubes, and the fin assemblies are respectively contacted with the adjacent heat exchange tubes and fixedly arranged; the fin assembly comprises a plurality of groups of fin bodies, and vertically distributed micro-channels are formed among the fin bodies.

The fin body is in a wavy shape or a broken line shape.

And the vertex positions of the two sides of the fin body are respectively provided with a yielding hole matched with the shape of the outer wall of the heat exchange tube, and the inner wall of the yielding hole is in contact with the heat exchange tube.

The end parts of the fin bodies are also provided with fixing grooves matched with the outer walls of the heat exchange tubes in shape, and the inner walls of the fixing grooves are in contact with the heat exchange tubes.

The fin body end parts of the fin assemblies are connected and fixed through the connecting plates.

The beneficial effects of the utility model are as follows: according to the utility model, the fin assembly is added on the structure of the existing closed heat exchanger, so that the fin assembly is used for contacting the heat exchange tube to increase the heat exchange area of the heat exchanger, and meanwhile, the heat exchange assembly with the micro-channels is adopted, so that the heat dissipation effect of air and spray water on the heat exchange tube is realized, and through the improvement, the interval space of the heat exchanger can be fully utilized, and the overall heat exchange efficiency of the closed heat exchanger is improved.

Drawings

The utility model will be further described with reference to the drawings and examples.

Fig. 1 is a schematic diagram of a front view structure of the present utility model.

Fig. 2 is a schematic view of a front view of a fin assembly.

Fig. 3 is a schematic side view of a fin body.

Fig. 4 is a schematic perspective view of a fin body.

Fig. 5 is a schematic view of the structure of the fin body end.

In the figure: 101. water collector, 102, water separator, 200, heat exchange tube, 300, fin assembly, 301, micro-channel, 302, connecting plate, 303, hole of stepping down, 304, fixed slot, 305, fin body.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

According to the figures 1 to 5: the embodiment provides a specific structure of a fin heat exchange tube type closed heat exchanger, which is as follows: the water collector comprises a water collector 101, a water separator 102 and a plurality of heat exchange tubes 200, wherein the heat exchange tubes 200 are communicated with the water collector 101 and the water separator 102, and the heat exchange tubes 200 are mutually parallel.

The technical key point of the technical scheme is that: a plurality of fin assemblies 300 are respectively arranged in a plurality of spaces between the heat exchange tubes 200, each fin assembly 300 comprises a plurality of groups of fin bodies 305 which are stacked, each fin body 305 is made of metal with good heat exchange effect, vertically distributed micro-channels 301 are formed among the fin bodies 305, and the intervals of the micro-channels 301 are 1-3mm, preferably 2 mm. The fin assembly 300 and each fin body 305 thereof are in a wavy shape, and end parts protruding outwards are formed at the vertex positions of two sides of the fin assembly, so that the fin assembly is used for being in contact with the heat exchange tube 200, and meanwhile, a part of air circulation channels with larger space can be reserved, so that the running resistance in the equipment is reduced; the ends of the fin bodies 305 of the fin assembly 300 are connected and fixed with each other through a connecting plate 302, so that the fin bodies 305 of the same group are connected into an integral structure, the structure is easy to realize the installation of the fin assembly 300, and the uniform distribution of the intervals of the micro channels 301 can be controlled.

In the assembly structure with the heat exchange tube 200, the vertex positions on two sides of the fin body 305 are respectively provided with a yielding hole 303 matched with the shape of the outer wall of the heat exchange tube 200, the inner wall of the yielding hole 303 is in contact with the heat exchange tube 200, the end part of the fin body 305 is of a flat plate structure, the position is also provided with a fixing groove 304 matched with the shape of the outer wall of the heat exchange tube 200, the fixing groove 304 is of a C-shaped structure, the inner wall of the fixing groove 304 is in contact with the heat exchange tube 200, and two sides of the fin assembly 300 are respectively fully contacted and fixedly arranged with the adjacent heat exchange tube 200 through the structure, so that good contact and heat conduction structures are formed.

In actual use, the fin heat exchange tube type closed heat exchanger is arranged inside the closed cooling tower and vertically provided with a plurality of groups, and a larger heat exchange area can be formed between the heat exchange tubes 200 of each group of heat exchangers by the fin assembly 300, meanwhile, by means of the ventilation effect of the micro-channels 301 and the water film formed by spray water on the inner walls of the micro-channels 301, the heat of the heat exchange tubes 200 can be transferred to the fin assembly 300, and the heat is taken away by the heat exchange of the fin assembly 300 and water and air, so that the heat exchange efficiency is improved, and the good cooling effect is ensured.

The foregoing is only a preferred embodiment of the present utility model, and all that is required to achieve the object of the present utility model by substantially the same means is to fall within the scope of the present utility model.

Claims

1. The utility model provides a fin heat exchange tube formula closed heat exchanger, includes heat exchanger and heat exchange tube, its characterized in that: the heat exchange tubes are provided with fin assemblies, two sides of each fin assembly are respectively contacted with adjacent heat exchange tubes and fixedly arranged, each fin assembly comprises a plurality of groups of fin bodies, and vertical micro-channels are formed between the adjacent fin bodies.

2. A fin heat exchange tube type closed heat exchanger as claimed in claim 1, wherein: the fin assembly is in a wavy shape or a broken line shape.

3. A fin heat exchange tube type closed heat exchanger according to claim 2, wherein: and the vertex positions of the two sides of the fin body are respectively provided with a yielding hole matched with the shape of the outer wall of the heat exchange tube, and the inner wall of the yielding hole is in contact with the heat exchange tube.

4. A fin heat exchange tube type closed heat exchanger according to claim 2, wherein: the end parts of the fin bodies are also provided with fixing grooves matched with the outer walls of the heat exchange tubes in shape, and the inner walls of the fixing grooves are in contact with the heat exchange tubes.

5. A fin heat exchange tube type closed heat exchanger as claimed in claim 1, wherein: the fin body ends of the fin assembly are mutually connected and fixed through connecting plates.