CN206540456U - A kind of ellipsoid pit heat-transfer pipe - Google Patents
A kind of ellipsoid pit heat-transfer pipe Download PDFInfo
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- CN206540456U CN206540456U CN201720109234.9U CN201720109234U CN206540456U CN 206540456 U CN206540456 U CN 206540456U CN 201720109234 U CN201720109234 U CN 201720109234U CN 206540456 U CN206540456 U CN 206540456U
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- ellipsoid
- pit
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- pipe
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Abstract
The utility model is related to heat transfer technical field, discloses a kind of ellipsoid pit heat-transfer pipe.Including circular light pipe, it is characterised in that：There is the circular light tube outer surface N to arrange ellipsoid pit, wherein 1≤N≤10, often row's ellipsoid pit is linearly distributed or Spiral distribution along caliber axis direction, the ellipsoid pit is raised in circular light inside pipe wall formation ellipsoid.The span of above-mentioned parameter is to carry out calculating selection according to the diameter of circular light pipe, pass through the setting of inner chamber wall configuration, heat exchanging fluid is set to form turbulent flow in pipeline, strengthen the scouring effect to tube wall, inwall is difficult to fouling, it is to avoid as use time increase causes fouling to reduce the situation of heat transfer efficiency.
Description
Technical field
The utility model is related to heat transfer technical field, particularly a kind of ellipsoid pit heat-transfer pipe.
Background technology
Heat transfer is a kind of very universal natural phenomena, is power, nuclear energy, electronics, traffic, refrigeration, chemical industry, oil, boat
Usual process in the industry such as empty space flight.Due to limited energy on the earth, energy crisis is increasingly serious, and environmental problem is further tight
It is high, heat transmission equipment efficiency is improved, reduction energy resource consumption turns into industrial theme.At present, heat transmission equipment efficiency master is improved
To use heat transfer enhancement technology.Heat transfer enhancement technology can be divided into two classes, i.e., active augmentation of heat transfer and passive augmentation of heat transfer, so-called to have
Source strength, which refers to heat transmission equipment and need to inputted by external energy, reach the purpose of augmentation of heat transfer, such as vibrating enhanced, electrostatic field reinforcing,
Mechanical enhancer etc.；Passive reinforcing refers to without outside input energy, only by changing tube surface structure or using reinforced element
To improve heat exchange property, such as spinning disk, tie, around filigree, artificial rough pipe, shape tube, extended surface tube etc..Due to passive
Reinforcement technique need not consume additional energy, and technology maturation, simple to operate, therefore passive reinforcement technique is led in heat transfer enhancement technology
Domain occupies critical role.
Traditional light pipe is to improve having for heat transfer technology by shape tube：Bellows, shaped telescopic tube, spiral grooved tube, band groove
Pipe etc..The mechanism of its augmentation of heat transfer is mainly by destruction or thinned boundary layer, and induction flow changes and fluid is produced whirlpool
Stream, and then add cold fluid and hot fluid mixing, so as to improve heat transfer property.But commonly light pipe heat transfer efficiency is low, anti-dirt poor performance.
And pit heat-transfer pipe is as a kind of new and effective augmentation of heat transfer pipe, compared to common light pipe, ellipsoid pit heat-transfer pipe
With following features：(1) when fluid flows through pit surface, due to the centrifugation in boundary layer, tubulence energy increase, fluid is recessed
Vortex is formed behind hole, vortex is moved to tube hub once being formed and gradually expanded, and forms vortex, and vortex is increased in boundary layer
The mixing of fluid and perturbation action, greatly improve heat transfer coefficient；(2) pit heat-transfer pipe is due to the scaling throttling action of pit,
Pit heat-transfer pipe fouling resistance is set to be better than common light pipe；(3) pit heat-transfer pipe makes pit heat-transfer pipe due to the effect of pit
Thermal stress resistance can more common light pipe it is strong；(4) pit heat-transfer pipe adds heat transfer area, improves pit pipe heat transfer property；(5)
Due to the arrangement form of pit pipe pit, fluid pressure loss can be reduced, and then can select small-power pump.
Utility model content
Goal of the invention of the present utility model is：The problem of to solve low common light pipe heat transfer efficiency, anti-dirt poor performance,
There is provided a kind of ellipsoid pit heat-transfer pipe.
The technical solution adopted in the utility model is such：A kind of ellipsoid pit heat-transfer pipe, including circular light pipe, it is special
Levy and be：There is the circular light tube outer surface N to arrange ellipsoid pit, wherein 1≤N≤10, the ellipsoid pit of often arranging is along pipe
Footpath axis direction is linearly distributed or Spiral distribution, and the ellipsoid pit is raised in circular light inside pipe wall formation ellipsoid.
As further technical scheme, the raised edge of the ellipsoid is in rounding with circular light pipe internal surface joining place
Shape.
As further technical scheme, a diameter of 20 ~ 80mm of the circular light pipe.
As further technical scheme, the ellipsoid major cross-sectional axis of the ellipsoid pit are 20 ~ 8mm, and short axle is 15 ~ 5mm.
As further technical scheme, the depth of the ellipsoid pit is 3 ~ 10mm.
As further technical scheme, it is described often row ellipsoid pit along caliber axis direction be linearly distributed when, institute
The axial spacing for stating ellipsoid pit is 10 ~ 60mm；It is described often row ellipsoid pit along caliber axis direction it is in spiral distribution when, institute
The axial pitch for stating ellipsoid pit is 10 ~ 60mm.
As further technical scheme, a diameter of 35mm of the circular light pipe, the ellipsoid section of the ellipsoid pit
Major axis is 14mm, and short axle is 8mm, and the depth of the ellipsoid pit is 8mm, and the axial spacing of the ellipsoid pit is 50mm.
As further technical scheme, cross section of the ellipsoid pit along the ellipsoid of long axis direction and circular light pipe
Axis angle is 0 ° ~ 180 °.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：（1）This programme is changed
The hot more existing heat exchange pipe of area is significantly increased, and can effectively improve heat exchange efficiency；（2）This programme inner chamber wall configuration causes to change
Hot fluid forms turbulent flow in pipeline, inwall is difficult to fouling to the scouring effect of tube wall substantially, it is to avoid as use time increases
Plus cause fouling to reduce the situation of heat transfer efficiency；（3）The pressure loss of ellipsoid pit heat transfer tube fluid is small, can reduce small work(
Rate pump, so as to reduce additional energy source consumption.
Brief description of the drawings
Fig. 1 is single linear distributing ellipsoid pit heat-transfer pipe schematic diagram.
Fig. 2 is multiple rows of linear distributing ellipsoid pit heat-transfer pipe schematic diagram.
Fig. 3 is single ellipsoid pit heat-transfer pipe schematic diagram in spiral distribution.
Fig. 4 is multiple rows of ellipsoid pit heat-transfer pipe schematic diagram in spiral distribution.
Fig. 5 is multiple rows of oblique ellipsoid pit heat-transfer pipe schematic diagram in spiral distribution.
Fig. 6 is ellipsoid pit short axle a, major axis b, spacing P schematic diagrames.
Fig. 7 is ellipsoid pit depth H schematic diagrames at heat-transfer pipe section A-A.
Reference, 1- circle light pipes, 2- ellipsoid pits, 3- ellipsoids are raised, and 4- roundings are angular, 11- circle light pipes, 22-
Ellipsoid pit, 222- ellipsoid pits.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in Figure 1-2, a kind of ellipsoid pit heat-transfer pipe, including circular light pipe 1, it is characterised in that：The circular light pipe 1
Make outer surface that there is N to arrange ellipsoid pit 2 by extrusion forming, wherein 1≤N≤10, the ellipsoid pit 2 of often arranging is along caliber axle
Line direction is linearly distributed as shown in figure 1, the ellipsoid pit 2 is in circular light inside pipe wall formation ellipsoid projection 3.The ellipsoid is convex
Heat exchange area can be significantly increased by playing 3, effectively improve heat exchange efficiency.
As shown in Figure 3-4, a kind of ellipsoid pit heat-transfer pipe, including circular light pipe 11, it is characterised in that：The circular light pipe
11 make outer surface that there is N to arrange ellipsoid pit 22 by extrusion forming, wherein 1≤N≤10, the ellipsoid pit 22 of often arranging is along pipe
Footpath axis direction is in spiral distribution as shown in figure 4, the major cross-sectional axis of ellipsoid pit 22 are parallel with axis direction, as shown in figure 5,
The major cross-sectional axis of ellipsoid pit 222 can also have angle with axis direction, and the ellipsoid pit 22 and ellipsoid pit 222 exist
Circular light inside pipe wall formation ellipsoid projection 3.The ellipsoid projection 3 can significantly increase heat exchange area, effectively improve heat exchange efficiency.
The raised edge of the ellipsoid and circular light pipe internal surface joining place are in rounding angular 4, are arranged to rounding angular 4 and keep away
Exempting from the raised edge of ellipsoid has corner angle, easily causes encrustation.
20 ~ 80mm of the circular light pipe 1 or circular light pipe 11.As shown in fig. 6, the ellipsoid section of the ellipsoid pit
Major axis a is 20 ~ 8mm, and short axle b is 15 ~ 5mm.The depth H of the ellipsoid pit is 3 ~ 10mm.The often row ellipsoid pit 2 along
Caliber axis direction is linearly distributed, and the axial spacing P of the ellipsoid pit is 10 ~ 60mm；The often row ellipsoid pit 22 or
Person's ellipsoid pit 222 is in spiral distribution along caliber axis direction, the axial spiral shell of the ellipsoid pit 22 or ellipsoid pit 222
Away from for 10 ~ 60mm.The axis angle of cross section of the ellipsoid pit along the ellipsoid of long axis direction and circular light pipe for 0 ° ~
180°.The span of above-mentioned parameter is to carry out calculating selection according to the diameter of circular light pipe, passes through setting for inner chamber wall configuration
Put, heat exchanging fluid is formed turbulent flow in pipeline, strengthen the scouring effect to tube wall, inwall is difficult to fouling, it is to avoid with making
Being increased with the time causes fouling to reduce the situation of heat transfer efficiency.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (8)
1. a kind of ellipsoid pit heat-transfer pipe, including circular light pipe, it is characterised in that：The circular light tube outer surface has N rows ellipse
Ball impression is cheated, wherein 1≤N≤10, often row's ellipsoid pit is linearly distributed or Spiral distribution along caliber axis direction, it is described
Ellipsoid pit is raised in circular light inside pipe wall formation ellipsoid.
2. ellipsoid pit heat-transfer pipe as claimed in claim 1, it is characterised in that：The raised edge of the ellipsoid and circular light pipe
Inner surface joining place is angular in rounding.
3. ellipsoid pit heat-transfer pipe as claimed in claim 2, it is characterised in that：A diameter of 20 ~ 80mm of the circular light pipe.
4. ellipsoid pit heat-transfer pipe as claimed in claim 3, it is characterised in that：The ellipsoid major cross-sectional axis of the ellipsoid pit are
20 ~ 8mm, short axle is 15 ~ 5mm.
5. ellipsoid pit heat-transfer pipe as claimed in claim 4, it is characterised in that：The depth of the ellipsoid pit is 3 ~ 10mm.
6. ellipsoid pit heat-transfer pipe as claimed in claim 5, it is characterised in that：The ellipsoid pit of often arranging is along caliber axis
When direction is linearly distributed, the axial spacing P of the ellipsoid pit is 10 ~ 60mm；The ellipsoid pit of often arranging is along caliber axle
When line direction is in spiral distribution, the axial pitch of the ellipsoid pit is 10 ~ 60mm.
7. ellipsoid pit heat-transfer pipe as claimed in claim 6, it is characterised in that：A diameter of 35mm of the circular light pipe, institute
The ellipsoid major cross-sectional axis for stating ellipsoid pit are 14mm, and short axle is 8mm, and the depth of the ellipsoid pit is 8mm, the ellipsoid pit
Axial spacing be 50mm.
8. ellipsoid pit heat-transfer pipe as claimed in claim 7, it is characterised in that：The cross section of the ellipsoid of the ellipsoid pit with
The axis angle of circular light pipe is 0 ° ~ 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720109234.9U CN206540456U (en) | 2017-02-06 | 2017-02-06 | A kind of ellipsoid pit heat-transfer pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720109234.9U CN206540456U (en) | 2017-02-06 | 2017-02-06 | A kind of ellipsoid pit heat-transfer pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206540456U true CN206540456U (en) | 2017-10-03 |
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ID=59940552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720109234.9U Active CN206540456U (en) | 2017-02-06 | 2017-02-06 | A kind of ellipsoid pit heat-transfer pipe |
Country Status (1)
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| CN (1) | CN206540456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906999A (en) * | 2017-11-29 | 2018-04-13 | 西南石油大学 | A kind of large deformation fourth born of the same parents' heat-transfer pipe |
| CN110081763A (en) * | 2019-06-10 | 2019-08-02 | 陈卫华 | Interior micro- rib fourth born of the same parents' compound strengthened processing pipe and its manufacturing method |
-
2017
- 2017-02-06 CN CN201720109234.9U patent/CN206540456U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906999A (en) * | 2017-11-29 | 2018-04-13 | 西南石油大学 | A kind of large deformation fourth born of the same parents' heat-transfer pipe |
| CN110081763A (en) * | 2019-06-10 | 2019-08-02 | 陈卫华 | Interior micro- rib fourth born of the same parents' compound strengthened processing pipe and its manufacturing method |
| CN110081763B (en) * | 2019-06-10 | 2024-02-06 | 中化节能技术(北京)有限公司 | Inner micro-ribbed composite reinforced heat exchange tube and manufacturing method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190703 Address after: 610000 No. 188 Chuanguo Road, Jintang County Industrial Park, Chengdu City, Sichuan Province Patentee after: Sichuan Chuanguo Boiler Co., Ltd. Address before: 610400 Chuanguo Road, Zhaozhen, Jintang County, Chengdu City, Sichuan Province, 188 good (in Jintang Industrial Park) Patentee before: Sichuan TEDA, kawanabe Energy Technology Co. Ltd |