CN204718464U - A kind of plate fin heat-exchanging element and welding mechanism thereof - Google Patents
A kind of plate fin heat-exchanging element and welding mechanism thereof Download PDFInfo
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- CN204718464U CN204718464U CN201520364651.9U CN201520364651U CN204718464U CN 204718464 U CN204718464 U CN 204718464U CN 201520364651 U CN201520364651 U CN 201520364651U CN 204718464 U CN204718464 U CN 204718464U
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Abstract
A kind of plate fin heat-exchanging element of the utility model and welding mechanism thereof, this plate fin heat-exchanging element is made up of base tube and the some laminate wings be welded on base tube, each laminate wing, by the spaced 30 ° of layouts of plate wing of 12 pieces of two kinds or of the same race height specifications, makes this heat exchange element cross section edge profile be regular hexagon or dodecagon; This plate fin heat-exchanging element welding mechanism is primarily of welding hand, stepping electric rotating machine and fin servo control mechanism composition; This plate fin heat-exchanging element not only can realize the parallel baffled of flue gas, and structure is simple, and enormously simplify welding processing process, welding efficiency significantly improves, and meanwhile, plate-fin extended surface greatly enhances heat transfer effect; Be specifically designed to the welder of this plate fin heat-exchanging element of processing, its structure is simple, with low cost, reliable, realizes the high efficiency welding of this kind of plate fin heat-exchanging element.
Description
Technical field
The utility model relates to a kind of heat exchange element and welder thereof, is specifically related to a kind of plate fin heat-exchanging element and welding mechanism thereof.
Background technology
Augmentation of heat transfer mainly contains three kinds of methods: increase mean temperature difference with augmentation of heat transfer, to increase in unit volume heat transfer area with augmentation of heat transfer with improve convection transfer rate with augmentation of heat transfer.The method wherein increasing mean temperature difference realizes mainly through the mode changing cold and hot medium temperature, but this method not easily realizes due to the restriction of production requirement and economy usually, so increasing heat transfer area in unit volume is the main direction of studying of augmentation of heat transfer with improving convection transfer rate.
At present, in order to increase heat transfer area and raising convection transfer rate in unit volume, propose numerous heat exchange element with augmentation of heat transfer effect, as Needle fin tube, spiral fin coil, H type finned tube etc., above-mentioned cast not only all adds the heat transfer area in unit volume by extended surface, and improves convection transfer rate by the disturbance of strengthening flue gas.But wherein, spiral fin coil and H type finned tube all can only be applied to the transversal flow of flue gas, only have Needle fin tube to be both applicable to transversal flow, be applicable to flue gas parallel baffled again.Therefore, Needle fin tube is widely used in the heat exchange occasion by flue gas transversal flow and parallel baffled in boiler.But, Needle fin tube is due to its special structure, namely many long and short round bar shape pin wings are had outside base tube, circumferentially interlock or order arrangement with longitudinal equally spacedly, and in inclination angle or be vertically welded on base tube, cause its actual welding processing process extremely complicated, speed of welding is low, and welding efficiency is comparatively low.
Summary of the invention
In order to overcome the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of plate fin heat-exchanging element and welding mechanism thereof, this plate fin heat-exchanging element allows flue gas parallel baffled, extended surface is formed by plate wing being radially welded on base tube surface, thus effectively increase heat transfer area in unit volume, and by the plate wing being welded on base tube radial direction, strong disturbance is caused to flue gas, effectively increase the turbulence degree washing away flue gas, thus improve convection transfer rate; On the other hand, the plate fin structure being different from pin wing enormously simplify actual welding process, combines the Novel welding mechanism being specifically designed to this plate fin heat-exchanging element of welding simultaneously, the welding efficiency of this plate fin heat-exchanging element is improved greatly.
In order to achieve the above object, the technical scheme that the utility model adopts is:
A kind of plate fin heat-exchanging element, comprises base tube 4 and is welded on the some laminate wings 3 on base tube 4; The wing plane of described plate wing 3 is radially distributed by the axis of described base tube 4; The plate wing 3 of every one deck is evenly arranged by the fin of 12 pieces two kinds height specifications is spaced, this heat exchange element cross-sectional profiles is made to be regular hexagon, or the plate wing 3 of every one deck is uniformly distributed along base tube 4 circumference by the fin of 12 pieces of height specifications of the same race, make this heat exchange element cross-sectional profiles be dodecagon, multiple heat exchange element is placed among smoke pipe and forms the interior wing enhanced tube group that base tube is water pipe.
The arrangement mode of the plate wing 3 of different layers is in-line arrangement or is staggered in arrangement.
Described plate wing 3 surface is light face or with the irregular surface along the longitudinal groove of base tube 4 axis, rib or columnar projections.
The height of described plate wing 3 changes to adapt to different temperature levels between 25mm ~ 45mm, length changes to adapt to different sizes and welding efficiency requirement between 40mm ~ 100mm, and wall thickness changes to adapt to different base tubes and the requirement of plate wing contact area between 2mm ~ 10mm.
Described plate wing 3 processes some zigzag edges 8, to increase contact resistance during welding with the face of base tube 4 contact weld.
The welding mechanism of plate fin heat-exchanging element described above, comprise and be clamped in described base tube 4 one end drive base tube 4 by certain angle rotation and the stepping electric rotating machine 5 carrying out forward and backward athletic performance along guide rail 9, on welding base tube 4, the left fin of the plate wing on the left side welds hand 1 and left fin servo control mechanism 2, the right fin welding the plate wing on the right relative with the plate wing on the left side welds hand 6 and right fin servo control mechanism 7, and described left fin servo control mechanism 2 and right fin servo control mechanism 7 apply the pressure of welding needs respectively by left fin welding hand 1 and right fin welding hand 6.
Described left fin welding hand 1 and right fin welding hand 6 need to carry out water cooling, to keep the continuous duty of welding because of heating power and sweating heat transmission.
During welded plate wing 3, base tube 4 is horizontal placement.
Compared to the prior art comparatively, beneficial effect is the utility model:
1) processing speed of this plate fin heat-exchanging element comparatively Needle fin tube had and significantly promoted.Compared to the face of the point slowly welding processing process of Needle fin tube, plate-fin fast line face Welding Structure is simple, enormously simplify welding processing process.Weld the tubing of same length, the linear welding times of plate-fin, well below the pointwise welding times of pin wing formula, makes greatly shorten weld interval, greatly improves welding production efficiency and labor productivity.
2) this plate fin heat-exchanging element has superior heat transfer property.The extended surface of plate wing considerably increases heat exchange area, and effectively destroys the boundary layer washing away light pipe surface fluid, increases the turbulivity of fluid, greatly improves the coefficient of heat transfer of plate wing side, enhance heat transfer effect.
3) this plate fin heat-exchanging element can realize the parallel baffled of flue gas at base tube outside plate wing.
4) the welding mechanism structure of this plate fin heat-exchanging element is simple, and with low cost, reliable, welding efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the structure diagram of a kind of preferred embodiment of a kind of plate fin heat-exchanging of the utility model element.
Fig. 2 is the profile (edge profile is regular hexagon) of a kind of preferred embodiment of a kind of plate fin heat-exchanging of the utility model element.
Fig. 3 is the profile (edge profile is dodecagon) of a kind of preferred embodiment of a kind of plate fin heat-exchanging of the utility model element.
Fig. 4 is the structure diagram of a kind of preferred embodiment of a kind of plate fin heat-exchanging of the utility model element welding mechanism.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, a kind of plate fin heat-exchanging element of the utility model, comprises base tube 4 and is welded on the some laminate wings 3 on base tube 4; The wing plane of described plate wing 3 is radially distributed by the axis of described base tube 4.As shown in Figure 2, the plate wing 3 of every one deck is evenly arranged by the fin of 12 pieces two kinds height specifications is spaced, and make this heat exchange element cross-sectional profiles be regular hexagon, multiple heat exchange element is combined and formed water pipe tube bank; Or as shown in Figure 3, the plate wing 3 of every one deck is uniformly distributed along base tube 4 circumference by the fin of 12 pieces of height specifications of the same race, makes this heat exchange element cross-sectional profiles be dodecagon, can be placed among smoke pipe and form the interior wing enhanced tube group that base tube is water pipe.
The arrangement mode of the plate wing 3 of different layers can be in-line arrangement, also can for being staggered in arrangement.
Described plate wing 3 surface can be light face or with the irregular surface along the longitudinal groove of base tube axis, rib or columnar projections, irregular surface is to obtain surface heat transfer strengthening.
Plate wing plane included angle between described plate wing 3 adjacent panels wing is 30 degree.
The height of described plate wing 3 changes to adapt to different temperature levels between 25mm ~ 45mm, length changes to adapt to different sizes and welding efficiency requirement between 40mm ~ 100mm, and wall thickness changes to adapt to different base tubes and the requirement of plate wing contact area between 2mm ~ 10mm.
Described plate wing 3 processes some zigzag edges 8, to increase contact resistance during welding with the face of base tube 4 contact weld.
As shown in Figure 4, a kind of plate fin heat-exchanging element welding mechanism, comprise and be clamped in described base tube 4 one end drive base tube 4 by certain angle rotation and the stepping electric rotating machine 5 carrying out forward and backward athletic performance along guide rail 9, on welding base tube 4, the left fin of the plate wing on the left side welds hand 1 and left fin servo control mechanism 2, the right fin welding the plate wing on the right relative with the plate wing on the left side welds hand 6 and right fin servo control mechanism 7, and described left fin servo control mechanism 2 and right fin servo control mechanism 7 apply the pressure of welding needs respectively by left fin welding hand 1 and right fin welding hand 6.
During welded plate wing 3, base tube 4 is horizontal placement.
Described left fin welding hand 1 and right fin welding hand 6 need to carry out water cooling, to keep the continuous duty of welding because of heating power and sweating heat transmission.
A kind of plate fin heat-exchanging element of the utility model welding mechanism course of work is as follows:
Stepping electric rotating machine 5 swivel head clamps one end of described base tube 4, and base tube 4 is delivered to assigned address to be welded, then carries out following steps:
Plate fin heat-exchanging element for having two kinds of height specification fins:
1. manufactured high fin is passed described left fin welding hand 1 and right fin welding hand 6 by left fin servo control mechanism 2 described in and right fin servo control mechanism 7 separately respectively;
2. left fin welding hand 1 and right fin welding hand 6 clamp respective high fin respectively, complete simultaneously once weld and return original position at base tube 4;
3. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5;
4. manufactured short fin is passed described left fin welding hand 1 and right fin welding hand 6 by left fin servo control mechanism 2 described in and right fin servo control mechanism 7 separately respectively;
5. left fin welding hand 1 and right fin welding hand 6 clamp respective short fin respectively, complete simultaneously once weld and return original position at base tube 4;
6. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 5 step;
7. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 5 step;
8. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, and drive base tube 4 to advance certain distance along guide rail 9;
Repeat above 1 ~ 8 step.
Plate fin heat-exchanging element for having height specification fin of the same race:
1. manufactured fin is passed described left fin welding hand 1 and right fin welding hand 6 by left fin servo control mechanism 2 described in and right fin servo control mechanism 7 separately respectively;
2. left fin welding hand 1 and right fin welding hand 6 clamp respective fin respectively, complete simultaneously once weld and return original position at base tube 4;
3. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 2 step;
4. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 2 step;
5. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 2 step;
6. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 2 step;
7. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, repeat above 1 ~ 2 step;
8. drive base tube 4 to turn clockwise 30 degree by stepping electric rotating machine 5, and drive base tube 4 to advance certain distance along guide rail 9;
Repeat above 1 ~ 8 step.
Claims (6)
1. a plate fin heat-exchanging element, is characterized in that: comprise base tube (4) and be welded on the some laminate wings (3) on base tube (4); The wing plane of described plate wing (3) is radially distributed by the axis of described base tube (4); The plate wing (3) of every one deck is evenly arranged by the fin of 12 pieces two kinds height specifications is spaced, this heat exchange element cross-sectional profiles is made to be regular hexagon, or the plate wing (3) of every one deck is uniformly distributed along base tube (4) circumference by the fin of 12 pieces of height specifications of the same race, make this heat exchange element cross-sectional profiles be dodecagon, multiple heat exchange element is placed among smoke pipe and forms the interior wing enhanced tube group that base tube is water pipe.
2. a kind of plate fin heat-exchanging element according to claim 1, is characterized in that: the arrangement mode of the plate wing (3) of different layers is in-line arrangement or is staggered in arrangement.
3. a kind of plate fin heat-exchanging element according to claim 1, is characterized in that: described plate wing (3) surface is for light face or with the irregular surface along axial longitudinal groove, rib or the columnar projections of base tube (4).
4. a kind of plate fin heat-exchanging element according to claim 1, it is characterized in that: the height of described plate wing (3) changes to adapt to different temperature levels between 25mm ~ 45mm, length changes to adapt to different sizes and welding efficiency requirement between 40mm ~ 100mm, and wall thickness changes to adapt to different base tubes and the requirement of plate wing contact area between 2mm ~ 10mm.
5. a kind of plate fin heat-exchanging element according to claim 1, is characterized in that: described plate wing (3) processes some zigzag edges (8), to increase contact resistance during welding with the face of base tube (4) contact weld.
6. the welding mechanism of plate fin heat-exchanging element described in claim 1, it is characterized in that: comprise and be clamped in described base tube (4) one end drive base tube (4) by certain angle rotation and before carrying out along guide rail (9), the stepping electric rotating machine (5) of rear athletic performance, left fin welding hand (1) of the plate wing on the upper left side of welding base tube (4) and left fin servo control mechanism (2), the right fin welding the plate wing on the right relative with the plate wing on the left side welds hand (6) and right fin servo control mechanism (7), described left fin servo control mechanism (2) and right fin servo control mechanism (7) apply the pressure of welding needs respectively by left fin welding hand (1) and right fin welding hand (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520364651.9U CN204718464U (en) | 2015-05-29 | 2015-05-29 | A kind of plate fin heat-exchanging element and welding mechanism thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520364651.9U CN204718464U (en) | 2015-05-29 | 2015-05-29 | A kind of plate fin heat-exchanging element and welding mechanism thereof |
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| CN204718464U true CN204718464U (en) | 2015-10-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN105758245A (en) * | 2016-01-11 | 2016-07-13 | 上海核工程研究设计院 | Non-continuous outer trapezoid longitudinal rib tube |
-
2015
- 2015-05-29 CN CN201520364651.9U patent/CN204718464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN105758245A (en) * | 2016-01-11 | 2016-07-13 | 上海核工程研究设计院 | Non-continuous outer trapezoid longitudinal rib tube |
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