CN201050957Y - Ellipse high-frequency welding spiral wing tube - Google Patents
Ellipse high-frequency welding spiral wing tube Download PDFInfo
- Publication number
- CN201050957Y CN201050957Y CNU2007201164837U CN200720116483U CN201050957Y CN 201050957 Y CN201050957 Y CN 201050957Y CN U2007201164837 U CNU2007201164837 U CN U2007201164837U CN 200720116483 U CN200720116483 U CN 200720116483U CN 201050957 Y CN201050957 Y CN 201050957Y
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- tube
- frequency welding
- fin
- high frequency
- millimeters
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an elliptic high frequency welding spiral fin tube, which comprises an elliptic base tube 1 and a fin 2, wherein the elliptic base tube 1 comprises a direct tube segment 3, an elbow segment 4 and a round end segment 5, the surface of the direct tube segment 3 is welded with the fin 2 at high frequency, the round end segment 5 is arranged on two ends of the direct tube segment 3 and the elbow segment 4, a long shaft A of the elliptic base tube 1 is 26-220 millimeters, a short shaft B is 18-15 millimeters, the thickness S of a wall is 2-10 millimeters, the height H of the pin 2 is 8-30 millimeters, the thickness delta of the pin 2 is 0.8-4 millimeters, and the pitch t is 6-40 millimeters. The elliptic base tube 1of the utility model is a whole structure which is formed through an elliptic tube blank is high-frequency welded, bended and pressed into a round, when a heat exchanger or a boiler air pre-heater is arranged, and the round end segment 5 does not need to further add welding elbow. The utility model is convenient and saves labor, which improves heat exchange efficiency, and reduces the making cost. The utility model has the advantages of high heat exchange efficiency, small side volume of pipes, and convenient installment and the like.
Description
(1) technical field
The utility model relates to a kind of heat exchanger tube, particularly a kind of heat exchanger tube that adopts the ratio-frequency welding connection to be welded with helical fin on the elliptical tube surface.
(2) background technology
At present, what efficient was higher in the heat exchanger tube is high frequency welding spiral fin tube, because its surface soldered has helical fin, makes heat exchange efficiency improve greatly.But existing high frequency welding spiral fin tube all is round, and conduit volume is big, and round cross section exists the windward side air drag big, and it is big that lee face produces the eddy current area, and the media flow form is a laminar flow in the pipe, has limited the raising of heat exchange efficiency.
(3) summary of the invention
The purpose of this utility model is to provide that a kind of heat exchange efficiency height, pipeline side volume are little, rounded head, oval high frequency welding spiral fin tube easy for installation.
The purpose of this utility model is achieved in that it comprises oval parent tube 1 and fin 2, oval parent tube 1 comprises straight length 3 and rounded head section 5, the surface high frequency welding fin 2 of straight length 3, rounded head section 5 is arranged at straight length 3 two ends, and oval parent tube 1 major axis A is 26-220mm, and minor axis B is 18-150mm, wall thickness S is 2-10mm, fin 2 high H are 8-30mm, and fin 2 thick δ are 0.8-4mm, and pitch t is 6-40mm.
The utility model also has some technical characterictics like this:
1, is provided with bend loss 4 between described straight length 3 one ends and the rounded head section 5;
2, be provided with bend loss 4 between described straight length 3 two ends and the rounded head section 5;
3, described bend loss 4 is semi-round ring shape;
4, described bend loss 4 curved pipes;
5, the radius of curvature R of described bend loss 4 is 32-200mm, bent angle alpha＜180 °;
6, the length of described rounded head section 5 is 20-100mm.
The rounded head section 5 of the oval high frequency welding spiral fin tube of the utility model connects as one structure with straight length 3 and bend loss 4, has to conduct heat rapidly the advantage that heat exchange efficiency is high.Check obtains the result through national mechanical industry heat exchanger product quality supervision inspection center, under same material, structure and experiment condition condition, the heat transfer coefficient of elliptical finned tube is 1.19-1.32 a times of circle finned tube, it is the 38-43% of circle finned tube that the wind lateral pressure is fallen, and the heat exchange amount is 1.16-1.24 a times of circle finned tube.Carry out under the situation of heat exchange at medium and air, the media flow form is a turbulent flow in the elliptical finned tube, the windward side resistance is little, the lee face eddy current is little, can substitute pipe fully, justify the heat exchanger that finned tube is used for making various models, radiator and condenser can improve heat exchange efficiency, energy savings reduces manufacturing cost.When heat exchanger or the installation of boiler air preheater, the utility model makes things convenient for the saving of labor, and the side volume is little, and conserve space is a heat exchanger tube of new generation.
(4) description of drawings
Fig. 1-2 is the structural representation of the utility model specific embodiment 1;
Fig. 3 is the structural representation of the utility model specific embodiment 2;
Fig. 4 is the structural representation of the utility model specific embodiment 3;
Fig. 5 is the structural representation of the utility model specific embodiment 4;
Fig. 6 is the structural representation of the utility model specific embodiment 5.
(5) specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Embodiment 1:
In conjunction with Fig. 1-2, the oval high frequency welding spiral fin tube of present embodiment is made up of oval parent tube 1 and fin 2, oval parent tube 1 comprises rounded head section 5 and straight length 3, the surface high frequency welding fin 2 of straight length 3, rounded head section 5 is arranged at straight length 3 two ends, and rounded head section 5 connects as one structure with straight length 3.Rounded head section 5 length are 30mm, and the elliptical tube major axis A is 62mm, and minor axis B is 31mm, and wall thickness S is 3mm, and the high H of fin is 15mm, and the thick δ of fin is 1mm, and pitch t is 12mm.Oval parent tube 1 is the overall structure that is formed with pressing circle through high-frequency welding by an oval pipe.
Embodiment 2:
In conjunction with Fig. 3, the basic structure of present embodiment is identical with embodiment 1, and difference is to be connected with bend loss 4 at an end of straight length 3, and the other end of bend loss 4 connects rounded head section 5, and bend loss 4 is a semi-round ring shape.
Embodiment 3:
In conjunction with Fig. 4, the basic structure of present embodiment is identical with embodiment 1, and difference is the equal bridge piece section 4 at the two ends of straight length 3, and the other end of bend loss 4 all connects rounded head section 5, and bend loss 4 is semi-round ring shape.
Embodiment 4:
In conjunction with Fig. 5, the basic structure of present embodiment is identical with embodiment 1, and difference is to be connected with bend loss 4 at an end of straight length 3, and bend loss 4 is a curved pipe, and the other end of bend loss 4 connects rounded head section 5.The radius of curvature R of bend loss 4 is 100mm, and bent angle alpha is 90 °.
Embodiment 5:
In conjunction with Fig. 6, the basic structure of present embodiment is identical with embodiment 1, and difference is that the two ends at straight length 3 all are connected with the bend loss 4 of curved pipe, all connects rounded head section 5 at the other end of two bend loss 4.
Claims (7)
1. oval high frequency welding spiral fin tube, it is characterized in that it comprises oval parent tube (1) and fin (2), oval parent tube (1) comprises straight length (3) and rounded head section (5), the surface high frequency welding fin (2) of straight length (3), and rounded head section (5) is arranged at straight length (3) two ends, oval parent tube (1) major axis A is 26-220mm, minor axis B is 18-150mm, and wall thickness S is 2-10mm, and the high H of fin (2) is 8-30mm, the thick δ of fin (2) is 0.8-4mm, and pitch t is 6-40mm.
2. oval high frequency welding spiral fin tube according to claim 1 is characterized in that being provided with bend loss (4) between described straight length (3) one ends and the rounded head section (5).
3. oval high frequency welding spiral fin tube according to claim 1 is characterized in that being provided with bend loss (4) between described straight length (3) two ends and the rounded head section (5).
4. according to claim 2 or 3 described oval high frequency welding spiral fin tubes, it is characterized in that described bend loss (4) is semi-round ring shape.
5. according to claim 2 or 3 described oval high frequency welding spiral fin tubes, it is characterized in that the curved pipe of described bend loss (4).
6. oval high frequency welding spiral fin tube according to claim 5, the radius of curvature R that it is characterized in that described bend loss (4) is 32-200mm, bent angle alpha＜180 °.
7. according to claim 1 or 2 or 3 described oval high frequency welding spiral fin tubes, the length that it is characterized in that described rounded head section (5) is 20-100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201164837U CN201050957Y (en) | 2007-06-27 | 2007-06-27 | Ellipse high-frequency welding spiral wing tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201164837U CN201050957Y (en) | 2007-06-27 | 2007-06-27 | Ellipse high-frequency welding spiral wing tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201050957Y true CN201050957Y (en) | 2008-04-23 |
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ID=39337447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201164837U Expired - Fee Related CN201050957Y (en) | 2007-06-27 | 2007-06-27 | Ellipse high-frequency welding spiral wing tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201050957Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693230B (en) * | 2009-10-20 | 2011-11-30 | 绍兴京昇光信息科技有限公司 | Coating machine heat recovery utilization energy-saving device |
| CN104823012A (en) * | 2012-11-30 | 2015-08-05 | S·C·克萨达 | Tubing element for heat exchanger means |
| CN105234624A (en) * | 2015-11-06 | 2016-01-13 | 福建省晋江市佶龙机械工业有限公司 | Elliptical rolling type radiating pipe and machining device thereof |
-
2007
- 2007-06-27 CN CNU2007201164837U patent/CN201050957Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693230B (en) * | 2009-10-20 | 2011-11-30 | 绍兴京昇光信息科技有限公司 | Coating machine heat recovery utilization energy-saving device |
| CN104823012A (en) * | 2012-11-30 | 2015-08-05 | S·C·克萨达 | Tubing element for heat exchanger means |
| CN104823012B (en) * | 2012-11-30 | 2018-08-21 | S·C·克萨达 | Tube element for heat exchanger |
| CN105234624A (en) * | 2015-11-06 | 2016-01-13 | 福建省晋江市佶龙机械工业有限公司 | Elliptical rolling type radiating pipe and machining device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20100627 |