CN214892803U - Novel fluid conveying pipe for heat exchange and heat exchange equipment - Google Patents

Novel fluid conveying pipe for heat exchange and heat exchange equipment Download PDF

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Publication number
CN214892803U
CN214892803U CN202021520525.5U CN202021520525U CN214892803U CN 214892803 U CN214892803 U CN 214892803U CN 202021520525 U CN202021520525 U CN 202021520525U CN 214892803 U CN214892803 U CN 214892803U
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vortex
heat exchange
metal pipe
wall
pipe
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杨惠晨
乔猛
杨友进
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Jiangsu Xinfangyuan Electric Equipment Manufacturing Co ltd
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Jiangsu Xinfangyuan Electric Equipment Manufacturing Co ltd
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Abstract

A novel fluid conveying pipe for heat exchange comprises a metal pipe, wherein vortex structures for increasing heat exchange efficiency are arranged on the inner wall and the outer wall of the metal pipe, and each vortex structure comprises external vortex joints which are arranged on the outer wall of the metal pipe and distributed at certain regular intervals and internal protruding joints which are arranged on the inner wall of the metal pipe and correspond to the external vortex joints; the outer vortex sections are spirally distributed on the outer wall of the metal pipe in a certain angle in a rising manner, a spiral vortex ridge is formed between two groups of adjacent spirally rising outer vortex sections, and a vortex groove is formed in the metal pipe at the position corresponding to the vortex ridge; the outer vortex section is a vortex-shaped pit, and the inner convex section is a structure that the outer vortex section protrudes into the pipe. The utility model provides a novel fluid conveying pipe and heat exchange equipment for heat exchange, which solves the problem that the heat exchange is not thorough due to the over-high flow speed of the light pipe, and improves the heat utilization rate; the problem of high requirement on medium cleanliness due to fins is solved, particles in the medium are not deposited on the tube wall to form scale, and the effect of efficient heat exchange is achieved.

Description

Novel fluid conveying pipe for heat exchange and heat exchange equipment
Technical Field
The utility model belongs to the technical field of the heat exchange equipment technique and specifically relates to a novel fluid conveying pipe and indirect heating equipment for heat transfer is related to.
Background
In heat exchange equipment, a heat exchange tube is a main heat exchange component of a heat exchanger, such as a tube pass heat exchange tube in a shell-and-tube heat exchanger in chemical equipment, and copper (aluminum) tubes with metal foil fins are arranged in an evaporator and a condenser of refrigeration equipment. The heat exchange tube is a main component mainly used for heat exchange of two media which cannot mutually permeate. The method is mainly applied to the fields of petrochemical industry, fine chemical industry, medical equipment, food machinery, electric power equipment and the like.
At present, two main heat exchange forms exist:
a smooth metal pipe adopted by a pipe pass heat exchange pipe is used as the heat exchange pipe to transmit and exchange heat. The medium has fast flow velocity on both sides of the light pipe, the heat exchange is not thorough, and the heat utilization rate needs to be improved.
Secondly, the fin type heat exchanger is applied to: an evaporator of an air conditioner, a condenser, an air cooler of food equipment, and the like. And fixing a metal foil set on a heat exchange tube of the evaporator or the condenser, wherein the distance between the metal foils is 2-8 mm. Generally 3mm, so the cleanliness of the gas flowing through the metal foil side is required, small particles such as smoke dust cannot be contained in the medium, and otherwise, the heat exchange efficiency is reduced due to the fact that the particles are covered on the foil along with the longer use time. However, in the practical application process, the medium is difficult to achieve the dustless cleaning degree, the metal foil on the heat exchange tube of the existing fin-plate heat exchanger can block the heat exchange medium, the blocked medium is usually in a static state and is difficult to effectively replace the flowing medium to influence the heat exchange efficiency, and meanwhile, particles in the medium are easy to attach to the tube wall to deposit and form scale, so that the heat exchange efficiency of the heat exchange tube is further reduced.
SUMMERY OF THE UTILITY MODEL
According to current heat transfer technique, solve above the technique not enough, the utility model discloses the main technical problem who solves is: provides a novel fluid conveying pipe for heat exchange and equipment thereof, and solves the technical defects of two points. Firstly, the problem that the heat exchange of the light pipe is not thorough due to the over-high flow speed is solved, and the heat utilization rate of the light pipe is improved; and secondly, the problem of high requirement on medium cleanliness caused by fins is solved, the requirement of a wide heat exchange medium is met, and particles in the medium are not deposited on the pipe wall to form scale, so that the effect of efficient heat exchange is achieved.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the novel fluid conveying pipe for heat exchange comprises a metal pipe, wherein vortex structures for increasing the heat exchange efficiency are arranged on the inner wall and the outer wall of the metal pipe, and each vortex structure comprises external vortex joints which are arranged on the outer wall of the metal pipe and distributed at certain regular intervals and internal protruding joints which are arranged on the inner wall of the metal pipe and correspond to the external vortex joints; the outer vortex sections are spirally distributed on the outer wall of the metal pipe in a certain angle in a rising manner, a spiral vortex ridge is formed between two groups of adjacent spirally rising outer vortex sections, and a vortex groove is formed in the metal pipe at the position corresponding to the vortex ridge; the outer vortex section is a vortex-shaped pit, and the inner convex section is a structure that the outer vortex section protrudes into the pipe.
Furthermore, the metal pipe is a fluid conveying pipe capable of bearing pressure.
Furthermore, the metal pipe is a seamless metal pipe and is made of carbon steel, stainless steel or nonferrous metal materials.
Furthermore, the external vortex nodes are volute pits processed on the outer wall of the metal pipe, the external vortex nodes are spirally distributed at a 20-degree spiral curve rising angle on the surface of the metal pipe column, each adjacent external vortex node is uniformly distributed in a certain array size, and the external vortex nodes are circumferentially distributed in an array at certain intervals in the circumferential direction (the size parameters of the vortex nodes are determined according to the pipe diameter).
Furthermore, the inner protruding sections are of a structure which is processed on the inner wall of the metal pipe and protrudes towards the central part in the metal pipe, the inner protruding sections are spirally distributed at a 20-degree rising angle of a spiral curve on the surface of the metal pipe column, and each adjacent inner protruding section is uniformly distributed at a certain array size.
Further, the area of all the external vortex joints accounts for 50% -95% of the external surface area of the metal pipe.
The utility model simultaneously provides a heat exchange equipment, heat exchange equipment has adopted foretell novel fluid conveying pipe for the heat transfer.
The utility model discloses a fluid conveyer pipe for heat transfer adopts seamless metal pipe for transport as the heat exchange tube substrate, through outside vortex festival and the inside abrupt festival that has certain degree of depth/height that the surface preparation of heat exchange tube is certain law and arranges, outside vortex festival and inside abrupt festival can increase the heat transfer surface area of heat exchange tube wall by a wide margin, the substrate body surface area increase after setting up the preparation 50% ~100%, the setting of outside vortex festival and inside abrupt festival all has certain resistance to the medium of heat exchange tube both sides simultaneously, make the medium velocity of flow slow, heat transfer rate and heat utilization rate are improved by a wide margin; and the external vortex section or the internal convex section of the pipe wall enables the medium to generate fine vortex flow when flowing, and the vortex flow enables particles in the medium not to be easily attached to the pipe wall to form deposited piece dirt, thereby achieving the effect of cleaning the heat exchange pipe.
Drawings
FIG. 1 is a drawing of the outer surface of a metal tube;
FIG. 2 is a cross-sectional view of a metal tube.
In the figure, 1-metal tube, 2-external vortex node, 3-internal convex node.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the scope of the present invention is not limited to the following embodiments. Any equivalent modifications made by those skilled in the art in the light of the present disclosure are intended to be within the scope of the present disclosure.
As shown in fig. 1-2, a novel fluid conveying pipe for heat exchange comprises a metal pipe 1, wherein vortex structures for increasing heat exchange efficiency are arranged on the inner wall and the outer wall of the metal pipe 1, and each vortex structure comprises an external vortex node 2 arranged on the outer wall of the metal pipe 1 and distributed at regular intervals, and an internal convex node 3 arranged on the inner wall of the metal pipe 1 and corresponding to the external vortex node 2; the outer vortex sections 2 are spirally distributed on the outer wall of the metal pipe 1 in a rising manner at a certain angle, a spiral vortex ridge 4 is formed between two groups of adjacent spirally rising outer vortex sections 2, and a vortex groove is formed in the metal pipe 1 at the position corresponding to the vortex ridge 4; the external vortex joints 2 are formed into vortex-shaped pits by mechanical equipment according to the plasticity of a metal material, the internal convex joints 3 are formed into structures protruding into the pipe by mechanical equipment according to the plasticity of the metal material, each external vortex joint 2 and the corresponding internal convex joint 3 are heat exchange improving structures formed on the wall of the metal pipe 1 by the outer wall and the inner wall of the metal pipe 1, the heat exchange areas formed by the external vortex joints 2 and the internal convex joints 3 are equal, the contact area of a medium and a heat exchange pipe is directly increased, and the heat exchange efficiency is improved.
Further, the metal pipe 1 is a fluid conveying pipe capable of bearing pressure.
Furthermore, the metal pipe 1 is a seamless metal pipe, and the seamless metal pipe is made of corresponding materials according to actual requirements and working conditions of use, and can be made of metal materials such as carbon steel, stainless steel and nonferrous metals.
Furthermore, the external vortex joints 2 are volute-shaped pits processed on the outer wall of the metal pipe 1, the external vortex joints 2 are spirally distributed at a spiral curve lead angle of 20 degrees on the surface of the metal pipe 1, each adjacent external vortex joint is uniformly distributed at a certain array size, and the external vortex joints are circumferentially distributed at a certain interval in the circumferential direction, for example, every two adjacent external vortex joints 2 of the phi 32 x 2.5 seamless pipe are regularly distributed at a distance of 20 x 15 mm.
Furthermore, the inner burls 3 are structures which are processed on the inner wall of the metal pipe 1 and protrude towards the inner center of the metal pipe 1, the inner burls 3 are spirally distributed with a 20-degree spiral curve lead angle on the surface of the metal pipe 1, and each adjacent inner burls are uniformly distributed with a certain array size. After the outer vortex sections 2 are regularly machined, a spiral vortex ridge 4 is formed between every two groups of adjacent spirally rising vortex sections. The medium flows along the vortex ridge 4 of the outer wall, reaches the external vortex node 2, flows to the center of the external vortex node 2 to form micro-vortex, and then flows out of the vortex; the medium in the pipe is obstructed by the inner burl 3, and the medium near the inner burl 3 flows along the vortex groove.
Further, the area of all the external vortex joints 2 accounts for 50% -95% of the external surface area of the metal pipe 1.
And the processing of the external vortex node 2 comprises the steps of clamping and fixing the two ends of the metal pipe 1, carrying out first mechanical stamping on the metal pipe 1 by a lantern ring with a pressure head, feeding the metal pipe 1 after the stamping is finished by rotating the clamping devices at the two ends by a certain spiral angle and moving the metal pipe for a certain distance, carrying out second mechanical stamping, and carrying out stamping manufacturing in a given period until the required vortex node length is reached.
The utility model simultaneously provides a heat exchange equipment, heat exchange equipment has adopted foretell novel fluid conveying pipe for the heat transfer. The novel fluid conveying pipe for heat exchange is a novel fluid conveying pipe fitting for heat exchange, is a universal heat exchange and heat transfer component, can greatly improve the heat exchange efficiency of heat exchange equipment when being used as a heat exchange pipe assembly and heat exchange equipment, and is convenient for equipment maintenance.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention.

Claims (7)

1. The utility model provides a novel fluid conveying pipe for heat transfer, includes the tubular metal resonator, its characterized in that: vortex structures for increasing heat exchange efficiency are arranged on the inner wall and the outer wall of the metal pipe, and each vortex structure comprises external vortex joints which are arranged on the outer wall of the metal pipe and distributed at certain regular intervals and internal protruding joints which are arranged on the inner wall of the metal pipe and correspond to the external vortex joints; the outer vortex sections are spirally distributed on the outer wall of the metal pipe in a certain angle in a rising manner, a spiral vortex ridge is formed between two groups of adjacent spirally rising outer vortex sections, and a vortex groove is formed in the metal pipe at the position corresponding to the vortex ridge; the outer vortex section is a vortex-shaped pit, and the inner convex section is a structure that the outer vortex section protrudes into the pipe.
2. The novel heat exchange fluid transfer tube of claim 1, wherein: the metal pipe is a fluid conveying pipe capable of bearing pressure.
3. A novel heat exchange fluid transfer tube according to claim 1 or 2, characterized in that: the metal pipe is a seamless metal pipe and is made of carbon steel, stainless steel or nonferrous metal materials.
4. The novel heat exchange fluid transfer tube of claim 1, wherein: the external vortex nodes are vortex-shaped pits processed on the outer wall of the metal pipe, the external vortex nodes are spirally distributed at a 20-degree lead angle of a spiral curve on the surface of the metal pipe column, and each adjacent external vortex node is uniformly distributed in a certain array size.
5. The novel heat exchange fluid transfer tube of claim 1, wherein: the inner protruding sections are of structures which are processed on the inner wall of the metal pipe and protrude towards the center of the metal pipe, the inner protruding sections are spirally distributed at the rising angle of 20 degrees of the spiral curve of the surface of the metal pipe column, and each adjacent inner protruding section is uniformly distributed at a certain array size.
6. A novel heat exchange fluid transfer tube according to claim 1, 4 or 5, wherein: the area of all the external vortex nodes accounts for 50-95% of the external surface area of the metal pipe.
7. A heat exchange apparatus, characterized by: the heat exchange tube of the heat exchange device adopts the novel heat exchange fluid conveying pipe as claimed in any one of claims 1 to 6.
CN202021520525.5U 2020-07-28 2020-07-28 Novel fluid conveying pipe for heat exchange and heat exchange equipment Active CN214892803U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021520525.5U CN214892803U (en) 2020-07-28 2020-07-28 Novel fluid conveying pipe for heat exchange and heat exchange equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021520525.5U CN214892803U (en) 2020-07-28 2020-07-28 Novel fluid conveying pipe for heat exchange and heat exchange equipment

Publications (1)

Publication Number Publication Date
CN214892803U true CN214892803U (en) 2021-11-26

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CN202021520525.5U Active CN214892803U (en) 2020-07-28 2020-07-28 Novel fluid conveying pipe for heat exchange and heat exchange equipment

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115014014A (en) * 2022-07-01 2022-09-06 浙江壳邦力特油脂有限公司 Cooling water circulation device for lubricating grease production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115014014A (en) * 2022-07-01 2022-09-06 浙江壳邦力特油脂有限公司 Cooling water circulation device for lubricating grease production

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