CN213021164U - Finned tube of air cooler - Google Patents

Abstract

The utility model provides an air cooler finned tube, which comprises a tube body, wherein continuous spiral fins are arranged between tube orifices on two sides of the tube body; a lining sleeve is arranged at the pipe orifice, the outer side of the lining sleeve is fixedly connected with an air cooler pipe box, and an elastic body is arranged in a gap between the inner side of the lining sleeve and the pipe body; the inner wall of the pipe body is provided with a plurality of special-shaped circulation grooves which are uniformly distributed along the circumference of the inner wall and penetrate through the pipe orifices on the two sides. The utility model enlarges the contact surface between the fluid and the inner wall of the fin tube, and meanwhile, under the condition that the unit flow of the fluid entering the tube opening is fixed, the flow velocity of the fluid is reduced by the tube passage with a larger cross section, and the heat exchange time is prolonged; the spiral fins prolong the circulation path of air passing through the outer wall of the heat exchange tube, and the heat exchange effect is improved.

Description

Finned tube of air cooler

Technical Field

The utility model relates to an air cooler field, concretely relates to air cooler finned tube.

Background

The air cooler is a high-efficiency energy-saving air cooling device and is widely applied to the field of petrochemical industry. A large number of plug-type air coolers are adopted in the existing petrochemical device, and the existing plug-type air cooler pipe box structure comprises an inlet pipe, a top plate, a plug plate, a pipe plate, a heat exchange pipe and other parts. The air cooler mainly adopts a large amount of flowing air to cool the flowing working fluid in the heat exchange pipe, and the working fluid in the production procedure is introduced into the heat exchange pipe through the liquid inlet pipe to be subjected to heat exchange and cooling and then is introduced into the next procedure through the liquid discharge pipe to be processed; the unreasonable heat exchange effect that leads to because of the structural design of heat exchange tube is poor, leads to the working solution temperature after the heat exchange tube cooling to be on the high side to the quality of product has been influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to above problem, make research improvement, provide an air cooler finned tube.

In order to achieve the purpose, the utility model provides an air cooler finned tube, which comprises a tube body, wherein continuous spiral fins are arranged between tube openings at two sides of the tube body; a lining sleeve is arranged at the pipe orifice, the outer side of the lining sleeve is fixedly connected with an air cooler pipe box, and an elastic body is arranged in a gap between the inner side of the lining sleeve and the pipe body; the inner wall of the pipe body is provided with a plurality of special-shaped circulation grooves which are uniformly distributed along the circumference of the inner wall and penetrate through the pipe orifices on the two sides.

As the preferred arrangement of the present invention, the elastic body is connected to the pipe body and the bushing pipe in a corrugated shape.

As the utility model discloses an optimal setting, the elastomer material is high temperature resistant rubber materials.

As the utility model discloses an optimal setting, the body the fin material is the stainless steel.

The utility model has the advantages that:

the contact surface between fluid and the inner wall of the finned tube is enlarged, the heat exchange effect is improved, and meanwhile, under the condition that the unit flow of the fluid entering the tube opening is constant, the flow velocity of the fluid is reduced by the tube passage with a large cross section, and the heat exchange time is prolonged; the spiral fins prolong the circulation path of air passing through the outer wall of the heat exchange tube, and the heat exchange effect of the heat exchange tube is improved.

And an elastic body is arranged in a gap between the lining sleeve and the pipe body, the lining sleeve is fixedly connected with the air cooler pipe box, the gap between the finned pipe and the pipe box is eliminated, the finned pipe is limited in the radial direction, the vibration of the finned pipe during working is reduced, meanwhile, the finned pipe can be effectively protected by the rubber elastic body, the abrasion of the finned pipe caused by the impact between the vibration and the pipe box is reduced, and the elastic body can also compensate the abrasion loss by depending on the elasticity of the elastic body even if the abrasion occurs.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic view of the structure of the pipe orifice according to the embodiment of the present invention.

The method comprises the following steps of 1-pipe body, 2-pipe orifice, 3-fin, 4-bushing pipe, 5-elastomer and 6-special-shaped circulation groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to specific embodiments.

Examples

According to the figures 1-2, the utility model provides an air cooler finned tube, which comprises a tube body 1, wherein continuous spiral fins 3 are arranged between tube openings 2 at two sides of the tube body 1, and the spiral fins 3 prolong the circulation path of air passing through the outer wall of a heat exchange tube and improve the heat exchange effect of the air cooler finned tube; the bushing pipe 4 is arranged at the pipe orifice 2, the outer side of the bushing pipe 4 is fixedly connected with the air cooler pipe box, an elastic body 5 is arranged in a gap between the inner side of the bushing pipe 4 and the pipe body 1, the gap between the finned pipe and the pipe box is eliminated, the finned pipe is limited in the radial direction, the vibration of the finned pipe during working is reduced, meanwhile, the finned pipe can be effectively protected by the rubber elastic body, the abrasion of the finned pipe caused by the impact between the vibration and the pipe box is reduced, and even if the abrasion occurs, the elastic body can compensate the abrasion amount by the elasticity of the elastic body; the inner wall of the tube body 1 is provided with a plurality of special-shaped circulation grooves 6 which are uniformly distributed along the circumference of the inner wall and penetrate through the tube openings 2 at two sides, so that the contact surface between fluid and the inner wall of the fin tube is enlarged, the heat exchange effect is improved, and meanwhile, under the condition that the unit flow of the fluid entering the tube openings is constant, the flow velocity of the fluid is reduced by the tube inner passage with a large cross section, and the heat exchange time is prolonged.

In this embodiment, it is preferable that the connection surface between the elastic body 5 and the pipe body 1 or the bushing 4 is corrugated.

In a preferred embodiment of the present invention, the material of the elastic body 5 is a high temperature resistant rubber material.

In a preferred embodiment of the present invention, the tube body 1 and the fins 3 are made of stainless steel.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

Claims (4)

1. An air cooler finned tube comprises a tube body (1), and is characterized in that continuous spiral fins (3) are arranged between tube openings (2) on two sides of the tube body (1); a lining sleeve (4) is arranged at the pipe orifice (2), the outer side of the lining sleeve (4) is fixedly connected with an air cooler pipe box, and an elastic body (5) is arranged in a gap between the inner side of the lining sleeve and the pipe body (1); the inner wall of the pipe body (1) is provided with a plurality of special-shaped circulation grooves (6) which are uniformly distributed along the circumference of the inner wall and penetrate through the pipe orifices (2) at the two sides.

2. The air cooler finned tube according to claim 1 wherein the joint surfaces of the elastomer (5) and the tube body (1) and the liner tube (4) are corrugated.

3. An air cooler finned tube according to claim 1 wherein the elastomer (5) is of a high temperature resistant rubber material.

4. An air cooler finned tube according to claim 1 wherein the tube (1) and the fin (3) are made of stainless steel.

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