CN108131979A - A kind of external curve finned tube - Google Patents
A kind of external curve finned tube Download PDFInfo
- Publication number
- CN108131979A CN108131979A CN201711387895.9A CN201711387895A CN108131979A CN 108131979 A CN108131979 A CN 108131979A CN 201711387895 A CN201711387895 A CN 201711387895A CN 108131979 A CN108131979 A CN 108131979A
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- China
- Prior art keywords
- fin
- curve
- tube
- main body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of external curve finned tubes, its curve fin body for including tube body and being arranged on tube wall, it is characterized in that, the curve fin body has multiple, it is equidistantly arranged on tube body in array, multiple curve fin bodies are being in circular row on the section of tube body axis direction, form curve fin body annulus, the spacing between adjacent curve fin body annulus is equal or by equal difference array arrangement.
Description
Technical field
The present invention relates to a kind of heat exchanger tube, particularly a kind of external curve finned tube.
Background technology
Finned tube is a kind of heat exchange element.Be in order to improve heat exchange efficiency, usually on the surface of heat exchanger tube by adding fin,
Increase the external surface area (or internal surface area) of heat exchanger tube, so as to achieve the purpose that improve heat exchange efficiency, such a heat exchanger tube.
The type of fin is varied, wherein classifying by fin shape, finned tube can the side of being divided into finned tube (Square
Finned tube), Round fin pipe, spiral fin coil (spiral finned tube), longitudinal fin (Longitudinal
Finned Tube), corrugated fins pipe, spiral saw dentation finned tube (Helical Serrated Finned Tubes), needle
Shape finned tube, whole plate finned tube (plate wing), internally finned tube (inner finned tube) etc..
However, the heat exchange efficiency of the finned tube of numerous fin types comprehensive can not still meet the needs of heat exchange,
And above-mentioned each fin make when all there are it is such or such the problem of, can not meet the needs of simple for process, because
This, there is an urgent need for a kind of finned tube is provided, makes it disclosure satisfy that the requirement of production technology while heat exchange efficiency is improved, solution is freeed
Force of labor, to meet the needs of production.
Invention content
The defects of it is an object of the invention to overcome the prior art propose a kind of heat exchange efficiency significantly improve, flow-disturbing effect it is bright
It is aobvious, and structural strength is high, meets the external curve finned tube of manufacturing technique requirent.
In order to solve the above technical problem, the present invention provides a kind of external curve finned tube, including tube body and setting
Curve fin body on tube wall, which is characterized in that the curve fin body have it is multiple, on tube wall be in array
Equidistantly arrangement, multiple curve fin bodies are being in circular row on the section of tube body axis direction, are formed bent
Line fin body annulus, the spacing between adjacent curve fin body annulus are equal or by equal difference array arrangement；
The curve fin body annulus includes 6-12 curve fin body；
Each curve fin body includes fin main body and the attached body of multiple fins positioned at the setting of fin main body both sides,
The fin main body is fixed at by pressure rolling on tube wall, and it meets below equation (1) relative to tube body：
Y=ax2； (1)
Wherein x, y are the coordinate value at any point in the fin main body, and reference axis A is with fin main body and tube wall
Intersection point is origin, and pipe range extending direction is X-axis, and the direction vertical with tube outer wall is the reference axis of Y-axis, and x is with fin main body
It is origin with tube wall junction, the distance along pipe range extending direction apart from the origin, y is the height apart from tube outer wall
Value, a are coefficient, value range 1.3-2.1；
Each attached body of fin is arranged in fin main body, is also curve fin, is met below equation (2)：
y1=a1x1 2； (2)
Wherein x1, y1For the coordinate value at any point on the attached body of the fin, reference axis B is with the attached body of fin and fin main body
Intersection point for origin, be X-axis with the tangent direction of fin main body, more than tangent line be the reference axis of Y-axis, x1For with the attached body of fin with
Fin main body junction is origin, tangentially distance of the extending direction apart from the origin, y1For the height value apart from the tangent line, a1
For coefficient, value range 0.5-0.8.
Specifically, when the spacing between adjacent curve fin body annulus is equal, its spacing value is 8-14mm.
Specifically, when the spacing between adjacent curve fin body annulus is by equal difference array arrangement, equal difference difference is
0.8mm。
In conclusion technical scheme of the present invention has following advantageous effect：
1st, using curve fin body, meet curvilinear equation, heat exchange efficiency and heat transfer effect can greatly be improved, it is full
Foot production heat exchange demand；
2nd, curvilinear equation as defined in curve fin body satisfaction, can produce in batches, meet technique productions demand；
3rd, curve fin body includes fin main body and the attached body of fin, can for any medium of fin surface
Its flow-disturbing effect is enough improved, enhances heat exchange efficiency.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of the external curve finned tube of the present invention；
Fig. 2 is the schematic diagram of the external curve finned tube reference axis A of the present invention；
Fig. 3 is the schematic diagram of the external curve finned tube reference axis B of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all under the premise of creative work is not made
Other embodiment belongs to the range that the present invention is protected.
As shown in Figs. 1-2, a kind of external curve finned tube, including tube body 1 and the curve wing being arranged on tube wall
Sheet body, which is characterized in that the curve fin body has multiple, is equidistantly arranged in array on tube wall, multiple described
Curve fin body is being in circular row on the section of tube body axis direction, forms curve fin body annulus, adjacent song
Spacing between line fin body annulus is equal or by equal difference array arrangement；
The curve fin body annulus includes 6-12 curve fin body；
Each curve fin body includes fin main body 2 and the attached body of multiple fins positioned at the setting of fin main body both sides
3, the fin main body 2 is fixed at by pressure rolling on 1 outer wall of tube body, and it meets below equation (1) relative to tube body：
Y=ax2； (1)
Wherein x, y are the coordinate value at any point in the fin main body, and reference axis A is with fin main body and tube wall
Intersection point is origin, and pipe range extending direction is X-axis, and the direction vertical with tube outer wall is the reference axis of Y-axis, and x is with fin main body
It is origin with tube wall junction, the distance along pipe range extending direction apart from the origin, y is the height apart from tube outer wall
Value, a are coefficient, value range 1.3-2.1；
Each attached body 3 of fin is arranged in fin main body 2, is also curve fin, is met below equation (2)：
y1=a1x1 2； (2)
Wherein x1, y1For the coordinate value at any point on the attached body 3 of the fin, reference axis B is with the attached body of fin and fin main body
Intersection point for origin, be X-axis with the tangent direction of fin main body, more than tangent line be the reference axis of Y-axis, x1For with the attached body of fin with
2 junction of fin main body is origin, tangentially distance of the extending direction apart from the origin, y1For the height value apart from the tangent line, a1
For coefficient, value range 0.5-0.8.
Specifically, when the spacing between adjacent curve fin body annulus is equal, its spacing value is 8-14mm.
Specifically, when the spacing between adjacent curve fin body annulus is by equal difference array arrangement, equal difference difference is
0.8mm。
In addition, multiple volume epimorphs can still be set to enhance its heat exchange property on the attached body of fin.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (3)
1. a kind of external curve finned tube, including tube body and the curve fin body being arranged on tube wall, which is characterized in that
The curve fin body has multiple, is equidistantly arranged in array on tube wall, multiple curve fin bodies are vertical
In being in circular row on the section of tube body axis direction, curve fin body annulus is formed, between adjacent curve fin body annulus
Spacing it is equal or by equal difference array arrangement；
The curve fin body annulus includes 6-12 curve fin body；
Each curve fin body includes fin main body and the attached body of multiple fins positioned at the setting of fin main body both sides, described
Fin main body is fixed at by pressure rolling on tube wall, and it meets below equation (1) relative to tube body：
Y=ax2； (1)
Wherein x, y are the coordinate value at any point in the fin main body, and reference axis A is with fin main body and the intersection point of tube wall
For origin, pipe range extending direction is X-axis, and the direction vertical with tube outer wall is the reference axis of Y-axis, and x is with fin main body and pipe
External wall junction is origin, and the distance along pipe range extending direction apart from the origin, y is the height value apart from tube outer wall, and a is
Coefficient, value range 1.3-2.1；
Each attached body of fin is arranged in fin main body, is also curve fin, is met below equation (2)：
y1=a1x1 2； (2)
Wherein x1, y1For the coordinate value at any point on the attached body of the fin, reference axis B is with the friendship of the attached body of fin and fin main body
Point is X-axis with the tangent direction of fin main body for origin, more than tangent line is the reference axis of Y-axis, x1For with the attached body of fin and fin
Main body junction is origin, tangentially distance of the extending direction apart from the origin, y1For the height value apart from the tangent line, a1To be
Number, value range 0.5-0.8.
2. curve finned tube according to claim 1, when the spacing between adjacent curve fin body annulus is equal, therebetween
It is 8-14mm away from value.
3. curve finned tube according to claim 1, when the spacing between adjacent curve fin body annulus is by equal difference battle array
During row arrangement, equal difference difference is 0.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387895.9A CN108131979A (en) | 2017-12-20 | 2017-12-20 | A kind of external curve finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711387895.9A CN108131979A (en) | 2017-12-20 | 2017-12-20 | A kind of external curve finned tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108131979A true CN108131979A (en) | 2018-06-08 |
Family
ID=62391046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711387895.9A Pending CN108131979A (en) | 2017-12-20 | 2017-12-20 | A kind of external curve finned tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108131979A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867257Y (en) * | 2006-01-06 | 2007-02-07 | 敖忠坚 | Airflow speed increasing radiator |
| CN201229141Y (en) * | 2008-04-21 | 2009-04-29 | 中国石油化工集团公司 | Fin tube and external heat exchanger of the fin tube |
| CN201429352Y (en) * | 2009-06-29 | 2010-03-24 | 江阴市电力设备冷却器有限公司 | Double-metal heat exchange tube with oval rolled fin |
| CN205179127U (en) * | 2015-11-19 | 2016-04-20 | 深圳市联懋塑胶有限公司 | Cell -phone shell with multiple heat dissipation function |
-
2017
- 2017-12-20 CN CN201711387895.9A patent/CN108131979A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2867257Y (en) * | 2006-01-06 | 2007-02-07 | 敖忠坚 | Airflow speed increasing radiator |
| CN201229141Y (en) * | 2008-04-21 | 2009-04-29 | 中国石油化工集团公司 | Fin tube and external heat exchanger of the fin tube |
| CN201429352Y (en) * | 2009-06-29 | 2010-03-24 | 江阴市电力设备冷却器有限公司 | Double-metal heat exchange tube with oval rolled fin |
| CN205179127U (en) * | 2015-11-19 | 2016-04-20 | 深圳市联懋塑胶有限公司 | Cell -phone shell with multiple heat dissipation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180608 |
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| WD01 | Invention patent application deemed withdrawn after publication |