CN213090543U - Double-layer assembled heat exchange tube - Google Patents

Abstract

The utility model aims at providing a double-layer assembled heat exchange pipe, which cools the heat medium in the finned pipe through air flow and carries out heat exchange through the auxiliary liquid flow in the external cavity; comprises a tube body, a spoiler arranged in the tube body and a fixing ring for fixing the spoiler; the outer wall of the tube body is also provided with a hollow cavity; the hollow cavity covers the outer surface of the tube body; the hollow cavity is also provided with a water inlet and a water outlet; the water inlet and the water outlet are externally connected with water supply equipment; connecting parts are further arranged at two ends of the hollow cavity; the utility model has the advantages that: a liquid cavity is arranged outside the heat exchange tube and assists a refrigerant to exchange heat according to requirements; the refrigerant bypasses the spiral built-in spoiler to generate a vortex, so that the heat transfer efficiency is increased; the heat exchange tube can be used by a single tube or a plurality of tubes, thereby improving the heat transfer efficiency.

Description

Double-layer assembled heat exchange tube

Technical Field

The utility model relates to a heat exchange technology field especially relates to a double-deck heat transfer pipe that can assemble.

Background

The heat exchange tube is a core component of the heat exchanger, and the structural design of the heat exchange tube has great influence on the heat exchange efficiency of the heat exchanger. The heat exchange tube sold in the market at present mainly comprises a light tube structure circular through tube and a spiral structure circular through tube, and the light tube structure circular through tube is short in contact time with a refrigerant due to the fact that hot gas passes through the heat exchange tube quickly, and the heat exchange efficiency is poor. The circular siphunculus of helical structure because helical structure's existence, the hot gas produces the turbulent flow when passing through in the heat exchange tube, has increased the dwell time of hot gas in the heat exchange tube, has improved heat exchange efficiency, simultaneously owing to adopt helical structure to increase the heat transfer area in the same volume of heat exchange tube, has improved heat exchange efficiency.

The published Chinese utility model patent has the publication number: CN201665617U, patent name: heat exchange tube and including the air conditioner heat exchanger of this heat exchange tube, application date: 20101202 which discloses a heat exchange tube and an air conditioner heat exchanger comprising the same. According to the utility model discloses a heat exchange tube is provided with the interior spiral recess that is the spiral and distributes on the interior pipe wall of heat exchange tube, is provided with the axial recess that distributes along the axial of heat exchange tube on the outer pipe wall of heat exchange tube. According to the utility model discloses an air conditioner heat exchanger, including aforementioned heat exchange tube. Adopt the utility model discloses a heat exchange tube through improving the structure of original heat exchange tube, has interior spiral groove on the pipe wall in the formation, has the heat transfer of the axial recess of axial distribution on the outer pipe wall and reinforces the pipe to the heat exchange efficiency of heat exchange tube has been improved. The air-conditioning heat exchanger adopting the heat exchange tube not only saves energy, but also can reduce the filling amount of the refrigerant of the unit, thereby limiting the discharge of the R22 refrigerant commonly used in China and playing a role in protecting the environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-deck heat transfer pipe that can assemble realizes cooling the hot medium in the finned tube through the air flow, and cold water flow in through the external cavity is supplementary carries out the heat exchange.

A double-layer assembled heat exchange tube comprises a tube body 1, a spoiler 4 arranged in the tube body 1 and a fixing ring 8 for fixing the spoiler 4;

an air inlet 2 and an air outlet 3 are respectively arranged at two ends of the tube body 1; two fixing rings 8 are arranged, are respectively arranged at two ends of the tube body 1 and respectively correspond to the air inlet 1 and the air outlet 2; two ends of the spoiler 4 are respectively fixedly connected with the fixing rings 8; the outer wall of the tube body 1 is also provided with a hollow cavity 5; the hollow cavity 5 covers the outer surface of the tube body 1; the hollow cavity 5 is also provided with a water inlet 6 and a water outlet 7; the water inlet 6 and the water outlet 7 are externally connected with water supply equipment; the two ends of the hollow cavity 5 are also provided with connecting parts.

Preferably, the spoiler 4 is a spiral-shaped plate.

Preferably, the fixing ring 8 is fixedly connected with the pipe body 1 through a bolt.

Preferably, the water supply device is further provided with a pressure pump.

Preferably, the volume of liquid in the cavity does not exceed 1/2 of the cavity volume.

Preferably, the connecting portion includes a connecting tube 9, and a connecting groove and a connecting protrusion which are respectively disposed on the air inlet 2 and the air outlet 3 and are respectively matched with the connecting tube 9.

Preferably, the connection tube 9 is of deformable material.

The utility model has the advantages that: a liquid cavity is arranged outside the heat exchange tube and assists a refrigerant to exchange heat according to requirements; the refrigerant bypasses the spiral built-in spoiler to generate vortex, and a laminar boundary layer of the refrigerant in the heat exchange tube is damaged, so that the refrigerant flowing in the heat exchange tube forms a turbulent flow region, the temperature change rate in the direction vertical to the tube wall is increased, and the heat transfer efficiency is increased; the heat exchange tube can be used by a single tube or a plurality of tubes, thereby improving the heat transfer efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the utility model when used alone;

FIG. 3 is a schematic view of a straight tube structure when a plurality of heat exchange tubes of the present invention are used in combination;

FIG. 4 is a schematic view of a curved tube structure when a plurality of heat exchange tubes of the present invention are used in combination;

in the figure, 1, a tube body; 2. an air inlet; 3. an air outlet; 4. a spoiler; 5. a cavity; 6. a water inlet; 7. a water outlet; 8. a fixing ring; 9. and (4) connecting the pipes.

Detailed Description

The present invention will now be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1, the present invention provides a double-layer heat exchanging tube capable of being assembled, which comprises a tube body 1, a spoiler 4 internally disposed inside the tube body 1, and a fixing ring 8 for fixing the spoiler 4;

the velocity of flow of refrigerant in the heat exchange tube is not big originally, and refrigerant gets into from the air inlet in the heat exchange tube, when flowing to the gas outlet, and laminar flow boundary can constantly become thick, influences the heat transfer. In the present embodiment, the spoiler 4 is preferably a spiral-shaped plate. When setting up heliciform spoiler 4 in the heat exchange tube, the refrigerant is when flowing through, can constantly produce the swirl through heliciform spoiler to destroy the laminar flow boundary layer, in order to reach quick heat transfer's effect.

In the utility model, an air inlet 2 and an air outlet 3 are respectively arranged at two ends of the tube body 1; two fixing rings 8 are arranged, are respectively arranged at two ends of the tube body 1 and respectively correspond to the air inlet 1 and the air outlet 2;

two ends of the spoiler 4 are respectively fixedly connected with the fixing rings 8; in this embodiment, preferably, the fixing ring 8 is fixedly connected to the pipe body 1 by bolts. The spoiler 4 inside the pipe body 1 is convenient to replace by adopting bolt fixed connection. The inside spoiler 4 of body can appear the condition by the corruption because of long-term the use, and solid fixed ring 6 passes through bolt and body tip fixed connection, when the spoiler 4 is changed to needs, only need the manual work change the spoiler can. The outer wall of the tube body 1 is also provided with a hollow cavity 5; the hollow cavity 5 covers the outer surface of the tube body 1; the hollow cavity 5 is also provided with a water inlet 6 and a water outlet 7; the water inlet 6 and the water outlet 7 are externally connected with water supply equipment; external water supply equipment carries out supplementary heat transfer to the heat transfer pipe, and this water supply equipment is water circulating system, is equipped with the force pump that promotes the hydrologic cycle flow, and the liquid volume in the cavity does not exceed 1/2 of cavity volume can, does benefit to liquid and flows in the cavity under the effect of force pump, with higher speed heat exchange efficiency.

The two ends of the hollow cavity 5 are also provided with connecting parts.

In this embodiment, preferably, the connecting portion includes a connecting pipe 9, and a connecting groove and a connecting protrusion which are disposed on the air inlet 2 and the air outlet 3 and respectively fit with the connecting pipe 9. The connecting pipe 9 is connected with the connecting groove and the connecting lug in an embedded manner, and the connecting groove of the air inlet 2 and the connecting lug on the air outlet 3 on the connecting pipe are respectively provided with a connecting structure correspondingly. As shown in fig. 1, the coupling groove of the inlet 2 and the coupling protrusion of the initial buckle 3 are in a fixed direction for mass production.

In this embodiment, the connecting tube 9 is preferably made of a deformable material. The connection modes of the heat exchange pipes can be combined in a plurality of ways according to actual conditions.

Fig. 2 is a schematic structural diagram of a first heat exchange tube in single use according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of the second embodiment of the present invention, in which a plurality of heat exchange tubes are connected into a straight tube through a connection tube 9.

Fig. 4 is a schematic structural diagram of a third embodiment of the present invention, in which a plurality of heat exchange tubes are connected into a folded shape through a connection tube 9.

The above embodiments are merely possible and common embodiments, and do not cover all applications. The heat exchange pipes are connected through the connecting pipes 9, and the conditions need to be changed according to specific customer requirements.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (7)

1. A double-layer assembled heat exchange tube comprises a tube body, a spoiler and a fixing ring, wherein the spoiler is arranged in the tube body;

it is characterized in that the preparation method is characterized in that,

an air inlet and an air outlet are respectively arranged at two ends of the tube body; the two fixing rings are respectively arranged at two ends of the tube body and respectively correspond to the air inlet and the air outlet; two ends of the spoiler are respectively fixedly connected with the fixing ring; the outer wall of the tube body is also provided with a hollow cavity; the hollow cavity covers the outer surface of the tube body; the hollow cavity is also provided with a water inlet and a water outlet; the water inlet and the water outlet are externally connected with water supply equipment; the two ends of the hollow cavity are also provided with connecting parts.

2. The double-layered assembled heat exchange tube as claimed in claim 1, wherein the spoiler is a spiral-shaped plate.

3. The double-layer assembled heat exchange tube as claimed in claim 2, wherein the fixing ring is fixedly connected to the tube body by a bolt.

4. A double-deck assemblable heat exchange tube as claimed in claim 3, wherein said water supply apparatus is further provided with a pressure pump.

5. The dual-layer assembled heat exchange tube of claim 4, wherein the volume of liquid in said cavity is no more than 1/2 times the volume of said cavity.

6. The heat exchange tube of claim 5, wherein the connection portion comprises a connection tube, and a connection groove and a connection protrusion disposed on the air inlet and the air outlet for respectively engaging with the connection tube.

7. The double-layered assembled heat exchange tube as claimed in claim 6, wherein the connecting tube is made of deformable material.

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