CN211012551U - Rotational flow finned heat exchanger - Google Patents

Abstract

The utility model particularly discloses a swirl finned heat exchanger, which comprises a frame (1) and at least two groups of heat exchange components (2), wherein the heat exchange components (2) are fixed inside the frame (1); heat exchange assembly (2) turn to connecting pipe (5) including two heat transfer connecting pipe (3), spiral heat transfer fin (4) and heat transfer, heat transfer connecting pipe (3) are all installed in the heat transfer and are turned to the connector department of connecting pipe (5), spiral heat transfer fin (4) are detachable to be fixed in the inside of heat transfer connecting pipe (3). The utility model discloses a whirl finned heat exchanger's rational in infrastructure can improve the flow velocity of refrigerant or secondary refrigerant, can also adjust the flow area of contact and the route of refrigerant and secondary refrigerant, has increased heat transfer heat exchange efficiency.

Description

A swirl fin heat exchanger

technical field

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

Background technique

Heat exchanger is an energy-saving device that realizes heat transfer between materials between two or more fluids at different temperatures. It transfers heat from a fluid with a higher temperature to a fluid with a lower temperature, so that the fluid temperature reaches the The specified indicators to meet the needs of process conditions, but also one of the main equipment to improve energy efficiency. The heat exchanger industry involves nearly 30 industries such as HVAC, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum, etc., forming an industrial chain with each other.

However, most of the existing heat exchangers are copper tube string aluminum fin heat exchangers, all of which are round copper tubes. The multi-head control method is loaded to increase the flow rate, and if the internal coolant is partially heat-transferred at a low flow rate.

Utility model content

The technical problem to be solved by the invention of the present invention is to overcome the shortcomings of the prior art that the flow rate of the refrigerating fluid is too low, the heat exchange is not complete, and the heat exchange efficiency is not high, and a swirl fin heat exchanger is provided. The swirl fin heat exchanger can improve the flow speed of the refrigeration fluid, and can also adjust the flow contact area of the refrigeration fluid, and has high heat exchange efficiency.

The above-mentioned problems to be solved by this invention are realized by the following technical solutions:

A swirl fin heat exchanger includes a frame and at least two sets of heat exchange assemblies, the heat exchange assemblies are fixed inside the frame; the heat exchange assemblies include two heat exchange connecting pipes, a spiral heat exchange The fins and the heat exchange turning connecting pipes are installed at the connecting ports of the heat exchange turning connecting pipes, and the spiral heat exchanging fins are detachably fixed inside the heat exchange connecting pipes.

Preferably, the included angle between the first turning portion and the second turning portion of the helical heat exchange fin is 110-150 degrees. In this solution, the flow velocity of the refrigerant or the refrigerant can be increased to a certain extent and the flow resistance can be reduced through the included angle between the turning portions of the spiral heat exchange fins within a certain range.

Preferably, the included angle between the first turning portion and the second turning portion of the helical heat exchange fin is 120 degrees. In this solution, the angle between the turning parts of 120 degrees can make the flow speed of the refrigerant or the refrigerant reach the best, and achieve the best heat exchange and heat conduction effect.

Preferably, a U-shaped connecting pipe is used for the heat exchange turning connecting pipe. In this solution, the structure space of the heat exchanger can be reduced by the cooperation of the U-shaped connecting pipe and the heat exchange connecting pipe, the refrigerant flow path can be increased, and the heat exchange efficiency can be increased.

Preferably, the heat exchange connecting pipe and the heat exchange turning connecting pipe are made of copper material or copper alloy material. This scheme increases the speed and efficiency of heat exchange through copper material or copper alloy material.

Preferably, the spiral heat exchange fins are made of aluminum material or aluminum alloy material. This scheme increases the heat exchange efficiency and corrosion resistance of the structure through aluminum material or aluminum alloy material.

Preferably, the spiral heat exchange fins are fixed on the inner wall of the heat exchange connecting pipe through the connecting ring plate; at least one set of locking blocks are fixed at the symmetrical positions of the outer side wall of the connecting ring plate, and the locking blocks can pass through Pass and rotate to be clamped in the inner connecting cavity of the heat exchange connecting pipe. The solution ensures the installation stability of the spiral heat exchange fins by passing through the locking block and rotating and clamping it in the connecting cavity, and also makes the disassembly of the spiral heat exchange fins more convenient and fast.

Preferably, at least two disassembly through holes are provided on the side surface of the connecting ring plate. In this solution, the disassembly convenience of the spiral heat exchange fin is further improved by disassembling the through hole.

Beneficial effect: After adopting the structure of the utility model, because the structure is provided with a frame and at least two sets of heat exchange components, and the heat exchange components include two heat exchange connection pipes, spiral heat exchange fins and heat exchange steering connection pipes , the angle between the rotating conveyance of the spiral heat exchange fins and the appropriate turning part can increase the flow speed of the refrigerant or the refrigerant and the contact area with the heat exchange connecting pipe, thereby improving heat dissipation; The heat exchange turns to the connecting pipe, which increases the distance of heat exchange, thereby increasing the amount of heat exchange; and the spiral heat exchange fins are detachably fixed inside the heat exchange connecting pipe, which can quickly and easily replace the heat exchange fins. Dismantling and overhauling.

Description of drawings

Fig. 1 is a main structural diagram of the front view of a swirl fin heat exchanger according to the present invention.

Fig. 2 is a main structural diagram of a heat exchange component of a swirling fin heat exchanger according to the present invention.

3 is a structural diagram of a spiral heat exchange fin of a swirl fin heat exchanger according to the present invention.

4 is a partial enlarged view of the spiral heat exchange fins of a swirl fin heat exchanger according to the present invention.

5 is a main enlarged view of a part of the installation of a swirl fin heat exchanger according to the present invention.

Figure 1-5: 1-frame; 2-heat exchange assembly; 3-heat exchange connecting pipe; 4-spiral heat exchange fin; 5-heat exchange turning connecting pipe; 6-first turning part; 7-second Steering part; 8-connecting ring plate; 9-connecting cavity; 10-locking block; 11-removing through hole.

Detailed ways

The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, but the embodiments do not limit the present invention in any form.

Example 1:

The orientation names such as "front", "rear", "left" and "right" described in this specification are determined according to the schematic diagrams used in this specification.

A swirl fin heat exchanger as shown in Figures 1-5 includes a frame 1 and at least two sets of heat exchange assemblies 2, the heat exchange assemblies 2 are fixed inside the frame 1; the heat exchange The assembly 2 includes two heat exchange connecting pipes 3, spiral heat exchange fins 4 and heat exchange turning connecting pipes 5. The heat exchange connecting pipes 3 are all installed at the connection ports of the heat exchange turning connecting pipes 5. The heat fins 4 are detachably fixed inside the heat exchange connection pipe 3; the heat exchange steering connection pipe 5 selects a U-shaped connection pipe; the heat exchange connection pipe 3 and the heat exchange steering connection pipe 5 select copper material or copper Alloy material; the spiral heat exchange fin 4 is made of aluminum material or aluminum alloy material; the angle between the first turning part 6 and the second turning part 7 of the spiral heat exchange fin 4 is 120 degrees; The spiral heat exchange fins 4 are fixed on the inner wall of the heat exchange connecting pipe 3 through the connecting ring plate 8; at least one set of locking blocks 10 is fixed at the symmetrical position of the outer side wall of the connecting ring plate 8, and the locking blocks 10 can be The connecting ring plate 8 is provided with at least two dismantling through holes 11 on the side surface of the connecting ring plate 8 .

How to use: First install the heat exchanger vertically, then guide the refrigerant or refrigerant into the heat exchange connecting pipe, and then pass through the rotation of the spiral heat exchange fins in the heat exchange connecting pipe and the appropriate turning part. The angle between them can increase the flow speed of the refrigerant or the refrigerant and the contact area with the heat exchange connecting pipe, thereby improving the heat dissipation; through the U-shaped heat exchange component, the heat exchange distance is increased, thereby increasing the The amount of heat exchange; when it is necessary to disassemble the spiral heat exchange fins for maintenance, the heat exchange connecting pipe is disassembled from the heat exchange steering pipe, so that a specific workpiece such as a straight rotating rod or a U-shaped rotating rod is inserted into the disassembly through hole. The disassembly process can be realized by rotating the disassembly direction and pulling out the spiral heat exchange fins to the outside at the same time.

Of course, the above only represents a certain embodiment of the present invention, and its description is relatively detailed, but it should not be construed as a limitation on the patent scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (8)

1. A swirl finned heat exchanger is characterized by comprising a rack (1) and at least two groups of heat exchange assemblies (2), wherein the heat exchange assemblies (2) are fixed inside the rack (1); heat exchange assembly (2) turn to connecting pipe (5) including two heat transfer connecting pipe (3), spiral heat transfer fin (4) and heat transfer, heat transfer connecting pipe (3) are all installed in the heat transfer and are turned to the connector department of connecting pipe (5), spiral heat transfer fin (4) are detachable to be fixed in the inside of heat transfer connecting pipe (3).

2. A swirl finned heat exchanger according to claim 1, wherein the included angle between the first turning part (6) and the second turning part (7) of the spiral heat exchange fins (4) is 110-150 °.

3. A swirl finned heat exchanger according to claim 2 wherein the included angle between the first (6) and second (7) turning portions of the helical heat exchange fins (4) is 120 degrees.

4. A swirl finned heat exchanger according to claim 1 wherein the heat exchange turning connecting pipe (5) is a U-shaped connecting pipe.

5. The swirl finned heat exchanger according to claim 1, wherein the heat exchange connecting pipe (3) and the heat exchange steering connecting pipe (5) are made of copper material or copper alloy material.

6. A swirl finned heat exchanger according to claim 1 wherein the spiral heat exchange fins (4) are made of aluminum or aluminum alloy material.

7. A swirl finned heat exchanger according to claim 1, wherein the spiral heat exchange fins (4) are fixed on the inner wall of the heat exchange connecting pipe (3) through a connecting ring plate (8); at least one group of locking blocks (10) are fixed at the symmetrical positions of the outer side wall of the connecting ring plate (8), and the locking blocks (10) can penetrate through and are rotationally clamped in the connecting cavity (9) in the heat exchange connecting pipe (3).

8. A swirl finned heat exchanger according to claim 7 wherein the side surface of the connection ring plate (8) is provided with at least two relief through holes (11).

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