CN205607221U - Novel alternate spiral of variable cross section distortion heat exchange tube - Google Patents
Novel alternate spiral of variable cross section distortion heat exchange tube Download PDFInfo
- Publication number
- CN205607221U CN205607221U CN201620204323.7U CN201620204323U CN205607221U CN 205607221 U CN205607221 U CN 205607221U CN 201620204323 U CN201620204323 U CN 201620204323U CN 205607221 U CN205607221 U CN 205607221U
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- heat exchanger
- exchanger tube
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- 239000000411 inducer Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 7
- 239000012530 fluid Substances 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000000875 corresponding Effects 0.000 description 2
- 210000002421 Cell Wall Anatomy 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 238000005039 chemical industry Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model provides a novel alternate spiral of variable cross section distortion heat exchange tube, this novel alternate spiral of variable cross section distortion heat exchange tube comprise inducer, import variable cross section section, clockwise spiral distortion section, first oval straight tube section, the oval straight tube section of second, anticlockwise spiral distortion section, the oval straight tube section of third, first variable cross section section, circular straight tube section, second variable cross section section, export variable cross section section and export section, the utility model relates to a novel alternate spiral of variable cross section distortion heat exchange tube, working medium have the advantage that the torrent degree is high, heat exchange coefficient is high, be difficult for the scale deposit when intraductal fluid interchange, have better development prospect and extensive practical application to worth.
Description
Technical field
This utility model relates to a kind of alternate helically twisted heat exchanger tube of Novel variable-section, belongs to enhanced heat exchange technical field.
Background technology
Heat exchanger has a wide range of applications in all trades and professions of national economy, it is one of modal equipment in the energy, oil, chemical industry, metallurgy, power, light industry, food or even Aero-Space industry, it is exploitation secondary energy sources, it is achieved the visual plant that the energy dissipates is saved in recuperation of heat；At present, shell-and-tube heat exchanger is widely used owing to its flow is big, droop loss is little and operation pressure is high；The heat exchanger tube of the shell-and-tube heat exchanger in engineer applied all uses light pipe, and working fluid turbulence effects in light pipe is poor, causes heat transfer effect inconspicuous, the shortcoming that heat exchange efficiency is the highest；The general cycle of operation of shell-and-tube heat exchanger is longer, and in fluid, the dirt deposition such as impurity, easily blocks, affect the efficiency of equipment, the heat exchange pipeline fouling of the most large-scale shell-and-tube heat exchanger, blocking can be formed, this not only affects heat transfer effect, and affects the operation of whole technological process.
Utility model content
For problems described above, this utility model provides a kind of alternate helically twisted heat exchanger tube of Novel variable-section, has an advantage in that, working media is when Bottomhole pressure heat exchange, and turbulent extent is high, the coefficient of heat transfer is high, less scaling.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section is made up of inducer [1], import variable cross-section section [2], clock wise spirals distortion section [3], the first oval straight length [12], the second oval straight length [11], counter-clockwise helical distortion section [4], the 3rd oval straight length [10], the first variable cross-section section [5], circular straighttube section [6], the second variable cross-section section [7], outlet variable cross-section section [8] and outlet section [9].
This utility model relates to a kind of alternate helically twisted heat exchanger tube of Novel variable-section, and clock wise spirals distortion section [3] of the alternate helically twisted heat exchanger tube of this Novel variable-section, the first oval straight length [12], counter-clockwise helical distortion section [4], the second oval straight length [11], the 3rd oval straight length [10], the first variable cross-section section [5], circular straighttube section [6] and the second variable cross-section section [7] the most alternately connect.
This utility model relates to a kind of alternate helically twisted heat exchanger tube of Novel variable-section, and the geometric parameter of clock wise spirals distortion section [3] of the alternate helically twisted heat exchanger tube of this Novel variable-section and counter-clockwise helical distortion section [4] is to be determined by distortion length and twist angle.
This utility model relates to a kind of alternate helically twisted heat exchanger tube of Novel variable-section, the basic circle of the alternate helically twisted heat exchanger tube of this Novel variable-section is by oval and circle checker, the geometric parameter of oval basic circle determines according to oval major axis [21] and oval short axle [22], and oval basic circle is corresponding to the first oval straight length [12], the second oval straight length [11] and the 3rd oval straight length [10]；The geometric parameter of circular basic circle determines according to circular radius [31], and circular basic circle is corresponding to circular straighttube section [6].
This utility model relates to a kind of alternate helically twisted heat exchanger tube of Novel variable-section, and import variable cross-section section [2] of the alternate helically twisted heat exchanger tube of this Novel variable-section, outlet variable cross-section section [8], the first variable cross-section section [5] and the second variable cross-section section [7] have the effect smoothly transitted；Import variable cross-section section [2] of the alternate helically twisted heat exchanger tube of this Novel variable-section, outlet variable cross-section section [8], the first variable cross-section section [5] have similar structure with the second variable cross-section section [7], and the geometric parameter of variable cross-section section determines according to length [41] and excessive angle [42] of variable cross-section section.
Accompanying drawing explanation
Fig. 1 is the structural representation of the alternate helically twisted heat exchanger tube of Novel variable-section；
Fig. 2 is the oval basic circle structural representation of the alternate helically twisted heat exchanger tube of Novel variable-section；
Fig. 3 is the circular basic circle structural representation of the alternate helically twisted heat exchanger tube of Novel variable-section；
Fig. 4 is the variable cross-section segment structure schematic diagram of the alternate helically twisted heat exchanger tube of Novel variable-section；
In figure: 1-inducer, 2-import variable cross-section section, 3-clock wise spirals distortion section, 4-counter-clockwise helical distortion section, 5-the first variable cross-section section, 6-circular straighttube section, 7-the second variable cross-section section, 8-exports variable cross-section section, 9-outlet section, the oval straight length of 10-the 3rd, the oval straight length of 11-second, the oval straight length of 12-first, the major axis that 21-is oval, the short axle that 22-is oval, the radius that 31-is circular, the length of 41-variable cross-section section, the excessive angle of 42-.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
Embodiment of the present utility model is as follows: fluid is entered in the alternate helically twisted heat exchanger tube of this Novel variable-section by inducer [1] and import variable cross-section section [2], fluid is through the first oval straight length [12] of the alternate helically twisted heat exchanger tube of this Novel variable-section, clock wise spirals distortion section [3], second oval straight length [11], counter-clockwise helical distortion section [4], 3rd oval straight length [10], first variable cross-section section [5], circular straighttube section [6], the cyclically-varying of the second variable cross-section section [7] creates the helical flow of periodically alternate and periodically adds, slow down the overlapped flowing alternately flowed；Finally, fluid is by exporting variable cross-section section [8] and outlet section [9] flows out the alternate helically twisted heat exchanger tube of this Novel variable-section.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section has two kinds of enhanced heat exchange technology；The first enhanced heat exchange technology is: periodically checker speed；Fluid along with the shape of the first oval straight length [12], the second oval straight length [11], the 3rd oval straight length [10], the first variable cross-section section [5], circular straighttube section [6] and the second variable cross-section section [7] from circle to ellipse again to round periodicity alternate, create the flowing change periodically accelerated and slow down alternately, the speed of periodically-varied pipe interior fluid, adds the turbulence effect of flowing.
The second enhanced heat exchange technology is: periodically checker helical flow；Fluid distorts the periodicity alternate of section [4] along with the clock wise spirals section of distortion [3] and counter-clockwise helical, create the helical flow of alternate, this flowing promotes to define at near-wall to be tangential on the Secondary Flow of flow direction, and this Secondary Flow phenomenon further increases the turbulence effect of fluid.
In a kind of alternate helically twisted heat exchanger tube of Novel variable-section, two kinds of enhanced heat exchange technology achieve superposition, and this convection cell wall boundary region and schmutzband produce the strongest destruction, make the coefficient of heat transfer improve and less scaling；The heat exchanger tube of the alternate helically twisted heat exchanger tube of this Novel variable-section and common tube shell heat exchanger has the strongest versatility, has preferable development prospect and actual application value widely.
Claims (5)
1. the alternate helically twisted heat exchanger tube of Novel variable-section, it is characterised in that: the alternate helically twisted heat exchanger tube of this Novel variable-section is made up of inducer, import variable cross-section section, the first oval straight length, clock wise spirals distortion section, the second oval straight length, counter-clockwise helical distortion section, the 3rd oval straight length, the first variable cross-section section, circular straighttube section, the second variable cross-section section, outlet variable cross-section section and outlet section.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section the most according to claim 1, it is characterised in that: the oval straight length of the first of the alternate helically twisted heat exchanger tube of this Novel variable-section, clock wise spirals distortion section, the second oval straight length, counter-clockwise helical distortion section, the 3rd oval straight length, the first variable cross-section section, circular straighttube section and the second variable cross-section section the most alternately connect.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section the most according to claim 1, it is characterised in that: the clock wise spirals distortion section of the alternate helically twisted heat exchanger tube of this Novel variable-section and the geometric parameter of counter-clockwise helical distortion section are to be determined by distortion length and twist angle.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section the most according to claim 1, it is characterized in that: the basic circle of the alternate helically twisted heat exchanger tube of this Novel variable-section is by oval and circle checker, oval geometric parameter determines according to major axis and short axle, and the geometric parameter of circle determines according to radius.
A kind of alternate helically twisted heat exchanger tube of Novel variable-section the most according to claim 1, it is characterized in that: the import variable cross-section section of the alternate helically twisted heat exchanger tube of this Novel variable-section, outlet variable cross-section section, the first variable cross-section section and the second variable cross-section section have the effect smoothly transitted, the geometric parameter of import variable cross-section section, outlet variable cross-section section, the first variable cross-section section and the second variable cross-section section determines according to length and excessively angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204323.7U CN205607221U (en) | 2016-06-28 | 2016-06-28 | Novel alternate spiral of variable cross section distortion heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204323.7U CN205607221U (en) | 2016-06-28 | 2016-06-28 | Novel alternate spiral of variable cross section distortion heat exchange tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205607221U true CN205607221U (en) | 2016-09-28 |
Family
ID=56963194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620204323.7U Expired - Fee Related CN205607221U (en) | 2016-06-28 | 2016-06-28 | Novel alternate spiral of variable cross section distortion heat exchange tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205607221U (en) |
-
2016
- 2016-06-28 CN CN201620204323.7U patent/CN205607221U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160928 Termination date: 20170628 |