CN211012551U

CN211012551U - Rotational flow finned heat exchanger

Info

Publication number: CN211012551U
Application number: CN201921501612.3U
Authority: CN
Inventors: 王辉; 万华兵; 张育桥
Original assignee: Guangdong Boyi Air Conditioning Complete Equipment Co ltd
Current assignee: Guangdong Boyi Air Conditioning Complete Equipment Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-07-14
Anticipated expiration: 2029-09-10

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

Rotational flow finned heat exchanger

Technical Field

The utility model relates to a heat transfer apparatus technical field, concretely relates to whirl finned heat exchanger.

Background

The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum and the like, and an industrial chain is formed mutually.

However, most of the existing heat exchangers are copper tube-aluminum fin type heat exchangers, which are round copper tubes, the surface of the internal copper tube is a threaded tube or a bare surface tube, and the flow rate can only be improved by adopting a frequency-raising or multi-machine-head loading control method, and if the internal secondary refrigerant has low flow rate, part of the internal secondary refrigerant does not exchange heat sufficiently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the velocity of flow of the refrigeration fluid of prior art and hang down, and the heat transfer is incomplete, and then the not high not enough of heat exchange efficiency, provides a whirl finned heat exchanger. The rotational flow finned heat exchanger can improve the flow speed of refrigerating fluid, can also adjust the flow contact area of the refrigerating fluid, and has high heat exchange efficiency.

The above problems to be solved by the present invention are achieved by the following technical solutions:

a swirl finned heat exchanger comprises a rack and at least two groups of heat exchange assemblies, wherein the heat exchange assemblies are fixed in the rack; the heat exchange assembly comprises two heat exchange connecting pipes, spiral heat exchange fins and a heat exchange steering connecting pipe, the heat exchange connecting pipes are all installed at the connecting port of the heat exchange steering connecting pipe, and the spiral heat exchange fins are detachably fixed inside the heat exchange connecting pipes.

Preferably, the included angle between the first turning part and the second turning part of the spiral heat exchange fin is 110 degrees and 150 degrees. The scheme can improve the flowing speed of the refrigerant or the secondary refrigerant to a certain extent through the included angle between the turning parts of the spiral heat exchange fins in a certain range, and reduce the flow choking force.

Preferably, the included angle between the first turning part and the second turning part of the spiral heat exchange fin is 120 degrees. The scheme enables the flow speed of the refrigerant or the secondary refrigerant to reach the best through the included angle between the 120-degree turning parts, and the best heat exchange and heat conduction effect is achieved.

Preferably, the heat exchange steering connecting pipe is a U-shaped connecting pipe. This scheme passes through the U type connecting pipe and can reduce the structure space of heat exchanger with the cooperation of heat transfer connecting pipe, increases the refrigerant flow path, and then increases heat exchange efficiency.

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

Preferably, the spiral heat exchange fin is made of an aluminum material or an aluminum alloy material. The scheme increases the heat exchange efficiency and the corrosion resistance of the structure through the aluminum material or the aluminum alloy material.

Preferably, the spiral heat exchange fins are fixed on the inner wall of the heat exchange connecting pipe through a connecting ring plate; at least one group of locking blocks are fixed at the symmetrical positions of the outer side wall of the connecting ring plate, and the locking blocks can penetrate through and be rotationally clamped in the connecting cavity inside the heat exchange connecting pipe. This scheme passes through the latch segment and rotatory chucking is passing and rotatory chucking has ensured spiral heat transfer fin's installation stability can in connecting the cavity, can make spiral heat transfer fin's dismantlement convenient more quick again.

Preferably, the side surface of the connection ring plate is provided with at least two detachment through holes. This scheme has further improved spiral heat transfer fin's dismantlement convenience through dismantling the through-hole.

Has the advantages that: after the structure of the utility model is adopted, because the structure is provided with the frame and at least two groups of heat exchange assemblies, the heat exchange assemblies comprise two heat exchange connecting pipes, the spiral heat exchange fins and the heat exchange steering connecting pipes, and the included angle between the rotary conveying of the spiral heat exchange fins and the proper steering part can increase the flowing speed of the refrigerant or the secondary refrigerant and the contact area between the refrigerant or the secondary refrigerant and the heat exchange connecting pipes, thereby improving the heat dissipation; the U-shaped heat exchange steering connecting pipe is used, so that the heat exchange distance is increased, and the heat exchange quantity is increased; and the spiral heat exchange fins are detachably fixed in the heat exchange connecting pipe, so that the spiral heat exchange fins can be quickly and conveniently detached and overhauled.

Drawings

Fig. 1 is a main structure diagram of a swirl-fin heat exchanger according to the present invention.

Fig. 2 is the main structure diagram of a heat exchange assembly of a swirl finned heat exchanger according to the present invention.

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

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

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

FIGS. 1 to 5: 1-a frame; 2-a heat exchange assembly; 3-heat exchange connecting pipe; 4-spiral heat exchange fins; 5-heat exchange steering connecting pipes; 6-a first steering section; 7-a second steering section; 8-connecting the ring plate; 9-connecting the cavity; 10-a locking block; 11-removal of the through hole.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the invention in any manner.

Example 1:

the directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.

The swirl finned heat exchanger shown in fig. 1-5 comprises a frame 1 and at least two groups of heat exchange assemblies 2, wherein the heat exchange assemblies 2 are fixed inside the frame 1; the heat exchange assembly 2 comprises two heat exchange connecting pipes 3, spiral heat exchange fins 4 and a heat exchange steering connecting pipe 5, the heat exchange connecting pipes 3 are all arranged at the connecting port of the heat exchange steering connecting pipe 5, and the spiral heat exchange fins 4 are detachably fixed inside the heat exchange connecting pipes 3; the heat exchange steering connecting pipe 5 is a U-shaped connecting pipe; the heat exchange connecting pipe 3 and the heat exchange steering connecting pipe 5 are made of copper materials or copper alloy materials; the spiral heat exchange fins 4 are made of aluminum materials or aluminum alloy materials; the included 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 a connecting annular 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 of the inner wall of the heat exchange connecting pipe 3; the side surface of the connecting ring plate 8 is provided with at least two disassembly through holes 11.

The using method comprises the following steps: the heat exchanger is vertically arranged and installed, a refrigerant or a secondary refrigerant is guided into the heat exchange connecting pipe, and then the flowing speed of the refrigerant or the secondary refrigerant and the contact area of the refrigerant or the secondary refrigerant and the heat exchange connecting pipe can be increased through the rotating transmission of the spiral heat exchange fins in the heat exchange connecting pipe and the included angle between the proper turning parts, so that the heat dissipation is improved; the U-shaped heat exchange assembly increases the heat exchange distance, so that the heat exchange amount is increased; when spiral heat exchange fin overhauls when maintaining when needs are dismantled, dismantle the heat transfer connecting pipe from the heat transfer steering tube for specific work piece such as straight dwang or U type dwang insert the dismantlement through-hole and toward dismantling the direction rotation, pull out spiral heat exchange fin to the outside simultaneously, alright realize dismantling the process.

Of course, the above description only expresses certain embodiments of the present invention, and the description thereof is more detailed, but the present invention cannot be interpreted as limiting the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

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).