CN203518710U - Spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs - Google Patents
Spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs Download PDFInfo
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- CN203518710U CN203518710U CN201320585083.6U CN201320585083U CN203518710U CN 203518710 U CN203518710 U CN 203518710U CN 201320585083 U CN201320585083 U CN 201320585083U CN 203518710 U CN203518710 U CN 203518710U
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- heat exchanger
- heat exchange
- exchanger tube
- shell
- spiral
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- 230000002411 adverse Effects 0.000 claims description 14
- 238000010030 laminating Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs. The spiral countercurrent flow heat exchange device aims to solve the problem of heat exchange tubes in the prior art are low in heat exchange coefficient. The spiral countercurrent flow heat exchange device comprises a precooler shell, the heat exchange tubes arranged in the shell, and air inlet-outlets located at two ends of the shell. The two ends of each heat exchange tube are located on perforated plates in the shell respectively, and a spiral baffle plate is arranged between the two perforated plates. The spiral countercurrent flow heat exchange device is characterized in that the heat exchange tubes are of an inward-protruded rib structure. The spiral countercurrent flow heat exchange device reduces heat resistance, improves the condensation heat transfer coefficient, reduces the thickness of the boundary retention bottom layers of compressed air, enhances the heat transfer effect of one-phase fluid in the tubes, and enhances the structural strength of the heat exchange tubes.
Description
Technical field
The utility model relates to heat-exchange apparatus technical field, and especially a kind of have an interior fin heat exchanger tube spiral adverse current heat exchanger.
Background technology
In the prior art, during heat-exchanger rig operation, the compressed air from air inlet enters freeze drier and is dried, enters in forecooler, be the refluence effect by arc deflector, in housing one side, current downflow and heat exchanger tube side compressed air carry out following current heat exchange.Although arc deflector has been realized the function of drainage, in heat transfer process, exist choked flow and pressure drop large, have the mean temperature difference of the stagnant dead band of flowing, easily fouling, heat transfer little, the easy defect such as inefficacy under vibration condition.And spiral adverse current has application to be only limited to the application of heat exchanger tube self, a kind of double-thread spiral pipe reverse flow heat exchanger proposing for CN201715899U as patent announcement number, comprise housing and the cold fluid intake chamber and the water-supplying chamber that by the upper and lower two ends of housing end socket, are formed, in housing, reverse acting spiral is coiling double cut heat exchanger tube mutually, the two ends of heat exchanger tube are fixed on lower perforated plate, tube sheet is fixed on housing, cold fluid and hot fluid is imported and exported the two ends up and down that lay respectively at housing, and the import and export axis angle at upper and lower two ends is between 90-120 degree.The heat-exchanging tube bundle of this structure coils outside core pipe, and adjacent layer is around on the contrary, and core pipe is positioned at housing center, by two ends core pipe holder, is fixed.The volume that it just reduces heat exchanger increases the heat exchange area of unit volume.In countercurrent flow technology, also exist the heat exchange copper tube coefficient of heat transfer low, in heat exchanger, need to guarantee good heat transfer effect with a large amount of heat exchange copper tubes.
Summary of the invention
The purpose of this utility model is to have in order to solve prior art the problem that the heat exchanger tube coefficient of heat transfer is low, provide a kind of and carry out heat exchanger tube outboard diversion at the spiral deflection plate of heat exchanger tube arranged outside, and heat exchanger tube there is the interior fin heat exchanger tube of having of larger heat exchange area spiral adverse current heat exchanger.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of have an interior fin heat exchanger tube spiral adverse current heat exchanger, comprise forecooler housing, be arranged on the heat exchanger tube in housing, be positioned at the air inlet/outlet at housing two ends, heat exchanger tube two ends are positioned at respectively on the colored orifice plate that is positioned at housing, between two colored orifice plates, be provided with helical baffles, it is characterized in that described heat exchanger tube has interior rib structures.The design of helical baffles, makes to manage side compressed air and the reverse flow of case side compressed air, and it is mobile that this helical structure is spinned medium continuous and stable in housing, and the serious pressure loss of having avoided horizontal baffling to produce, has the low feature of obvious pressure drop.And the rotation direction structure of helical baffles is advanced along housing stroke medium direction spiral, on radial section, can produce a velocity gradient, form radially turbulent flow, the phenomenon of heat exchanger tube surface detention bottom is reduced, be conducive to improve film heat transfer coefficient.The interior rib structures design of heat exchanger tube self, at heat exchanger tube inner surface, form fin, outer surface formation groove, compressed air and heat exchanger tube contact area have been increased, and form stronger turbulent flow, and the smooth pipe outer wall of traditional heat exchanger tube has adhering to of condensate liquid, affects the coefficient of heat transfer, the outer wall energy of channel shaped pipe is accelerated the eliminating of condensate liquid, condensate film attenuate, thus thermal resistance reduced, improve condensation heat transfer coefficient.
As preferably, described interior fin and heat exchanger tube are integral formula structure, at the outer surface of heat exchanger tube, relatively in convex rib position have corresponding groove.When making heat exchanger tube, the rib of interior fin, groove disposal molding, cost of manufacture is low.
As preferably, between described interior fin and heat exchanger tube tube wall, be equipped with arc-shaped transitional surface.In pipe, arc-shaped transitional surface can reduce gas flow resistance, and tube outer surface circular arc is conducive to assembly and the eliminating of condensate liquid.
As preferably, the height point position of described interior fin is arc surface vertically.Self intensity that not only strengthens body reduces gas flow resistance simultaneously.
As preferably, one end of described housing is radially provided with pipe side-inlet and shell-side gas outlet, and wherein shell-side gas outlet is positioned at the inner side of colored orifice plate, and pipe side-inlet is positioned at the outside of colored orifice plate.Pipe side-inlet and pipe side gas outlet are after evaporimeter cooling gas-water separation, and air enters forecooler and manages side flow and the mobile air inversion heat exchanger channels of case side.
As preferably, the other end of described housing is radially provided with shell-side air inlet and pipe side gas outlet, and wherein shell-side air inlet is positioned at the inner side of colored orifice plate, and pipe side gas outlet is positioned at the outside of colored orifice plate.Shell-side air inlet is that untreated air enters forecooler, in case side, carries out helical flow, then from shell-side gas outlet, flows out to evaporimeter cooling and gas-water separation.
As preferably, the two ends of described helical baffles are between shell-side air inlet and shell-side gas outlet.Untreated air one-in-and-one-out is smooth and easy without hindrance, and internal resistance is minimum.The two-port of helical baffles lays respectively at the port position of shell-side air inlet and shell-side gas outlet.Guarantee import and exit point position radial pressure loss reduction.
As preferably, described helical baffles inner side and heat exchange pipe external surface laminating.Because heat exchange pipe external surface shows groove, helical baffles is as long as fit with the outer first type surface of heat exchanger tube, to reduce the details difficulty of processing of helical baffles.
Effective effect of the present utility model is: the groove of heat exchanger tube outer wall has been accelerated the eliminating of condensate liquid, makes condensate film attenuate, thereby reduces thermal resistance, improves condensation heat transfer coefficient; The fin that heat exchanger tube inner surface forms, the segment fluid flow of close body wall can rotate to form stronger turbulent flow, makes compressed air border be detained underlayer thickness attenuate; When another part fluid flows vertically along wall, fin makes fluid produce periodic disturbance, thus the heat transfer of monophasic fluid in enhanced tube; Strengthened the structural strength of heat exchanger tube itself.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the right TV structure schematic diagram of the utility model Fig. 1.
Fig. 3 is a kind of heat exchange tube structure schematic diagram of the present utility model.
In figure: 1. housing, 2. shell-side air inlet, 3. spends orifice plate, 4. helical baffles, 5. heat exchanger tube, 51. interior fins, 6. shell-side gas outlet, 7. pipe side-inlet, 8. pipe side gas outlet.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Referring to Fig. 1, Fig. 2, a kind of spiral adverse current heat exchanger of the present embodiment, designs a cylindrical shape forecooler housing 1, in forecooler housing 1, is positioned at forecooler housing 1 two ends and establishes respectively between 3, two colored orifice plates of a colored orifice plate and fill 31 heat exchanger tubes 5.At forecooler housing 1 two ends radially, and the outside that is positioned at colored orifice plate 3 establish respectively pipe side-inlet 7 and pipe side gas outlet 8; At forecooler housing 1 two ends radially, shell-side air inlet 2 and shell-side gas outlet 6 are established respectively in the inner side that is positioned at colored orifice plate 3.Between two colored orifice plates 3 and be positioned at shell-side air inlet 2 and helical baffles 4 is established in 6 inner sides, shell-side gas outlet, during making, the two-port of helical baffles 4 is pressed close to the port position of shell-side air inlet 2 and shell-side gas outlet 6 respectively.
During work, untreated air enters forecooler from shell-side air inlet 2, in case side, along helical baffles 4, carries out helical flow, then from shell-side gas outlet 6, flows out to that evaporimeter is lowered the temperature and carry out gas-water separation.
And gas after evaporimeter cooling gas-water separation, from side-inlet 7, enter forecooler and manage side flow and the mobile air inversion heat exchange of case side, from pipe side gas outlet 8, flow out afterwards, in this process, gas is by being provided with the heat exchanger tube 5 of interior fin 51, thereby increase the contact area of compressed air and heat exchanger tube, and the stronger turbulent flow of formation, the groove of tube outer surface also can be accelerated the eliminating of condensate liquid, make condensate film attenuate, the fin of inner surface, forward fin rotation of segment fluid flow near wall, form stronger turbulent flow, make boudary portion be detained the gas thickness attenuate of bottom, also make fluid produce periodic disturbance, thereby strengthened the heat transfer of monophasic fluid in pipe.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any structure after simple transformation of the present utility model is all belonged to protection domain of the present utility model.
Claims (8)
1. one kind has interior fin heat exchanger tube spiral adverse current heat exchanger, comprise forecooler housing (1), be arranged on the heat exchanger tube (5) in housing, be positioned at the air inlet/outlet at housing two ends, heat exchanger tube two ends are positioned at respectively on the colored orifice plate (3) that is positioned at housing, between two colored orifice plates, be provided with helical baffles (4), it is characterized in that described heat exchanger tube (5) has interior fin (51) structure.
2. a kind of interior fin heat exchanger tube spiral adverse current heat exchanger that has according to claim 1, is characterized in that described interior fin (51) and heat exchanger tube (5) are integral formula structure, and at the outer surface of heat exchanger tube, there is corresponding groove relatively interior convex rib position.
3. a kind of interior fin heat exchanger tube spiral adverse current heat exchanger that has according to claim 1 and 2, is characterized in that being equipped with arc-shaped transitional surface between described interior fin (51) and heat exchanger tube (5) tube wall.
4. a kind of interior fin heat exchanger tube spiral adverse current heat exchanger that has according to claim 1 and 2, the height point position that it is characterized in that described interior fin (51) is arc surface vertically.
5. a kind of interior fin heat exchanger tube spiral adverse current heat exchanger that has according to claim 1, it is characterized in that, one end of housing is radially provided with pipe side-inlet (7) and shell-side gas outlet (6), wherein shell-side gas outlet (6) are positioned at the inner side of colored orifice plate (3), and pipe side-inlet is positioned at the outside of colored orifice plate.
6. according to a kind of described in claim 1 or 2 or 5, there is interior fin heat exchanger tube spiral adverse current heat exchanger, it is characterized in that, the other end of described housing is radially provided with shell-side air inlet (2) and pipe side gas outlet (8), wherein shell-side air inlet is positioned at the inner side of colored orifice plate (3), and pipe side gas outlet is positioned at the outside of colored orifice plate.
7. according to a kind of described in claim 1 or 2 or 5, there is interior fin heat exchanger tube spiral adverse current heat exchanger, it is characterized in that the two ends of described helical baffles (4) are positioned between shell-side air inlet (2) and shell-side gas outlet (6).
8. a kind of interior fin heat exchanger tube spiral adverse current heat exchanger that has according to claim 1 and 2, is characterized in that described helical baffles (4) inner side and heat exchange pipe external surface laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585083.6U CN203518710U (en) | 2013-09-23 | 2013-09-23 | Spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320585083.6U CN203518710U (en) | 2013-09-23 | 2013-09-23 | Spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs |
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| Publication Number | Publication Date |
|---|---|
| CN203518710U true CN203518710U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320585083.6U Expired - Fee Related CN203518710U (en) | 2013-09-23 | 2013-09-23 | Spiral countercurrent flow heat exchange device provided with heat exchange tubes with inward-protruded ribs |
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| Country | Link |
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| CN (1) | CN203518710U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192390A (en) * | 2018-08-09 | 2019-01-11 | 贵州林东生电子科技有限公司 | Data line processes cooling device |
| CN110284957A (en) * | 2019-06-05 | 2019-09-27 | 贵州凯宏汇达冷却系统有限公司 | A kind of turbocharger intercooler |
| CN110975544A (en) * | 2019-12-17 | 2020-04-10 | 江阴市尚时环境工程有限公司 | Low-energy-consumption high-efficiency flue gas desulfurization and denitrification system for coal-fired power plant boiler |
| US20220412664A1 (en) * | 2019-12-24 | 2022-12-29 | Global Cooling Technology Group, Llc | Micro-channel pulsating heat pipe |
-
2013
- 2013-09-23 CN CN201320585083.6U patent/CN203518710U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192390A (en) * | 2018-08-09 | 2019-01-11 | 贵州林东生电子科技有限公司 | Data line processes cooling device |
| CN109192390B (en) * | 2018-08-09 | 2023-11-03 | 昆山羿冠电子科技有限公司 | Data line processing heat sink |
| CN110284957A (en) * | 2019-06-05 | 2019-09-27 | 贵州凯宏汇达冷却系统有限公司 | A kind of turbocharger intercooler |
| CN110975544A (en) * | 2019-12-17 | 2020-04-10 | 江阴市尚时环境工程有限公司 | Low-energy-consumption high-efficiency flue gas desulfurization and denitrification system for coal-fired power plant boiler |
| US20220412664A1 (en) * | 2019-12-24 | 2022-12-29 | Global Cooling Technology Group, Llc | Micro-channel pulsating heat pipe |
| US11920868B2 (en) * | 2019-12-24 | 2024-03-05 | Global Cooling Technology Group, Llc | Micro-channel pulsating heat pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 311100 no.38-2, Zhoujiaba, Tangbei village, Tangqi Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Yida Energy Saving Technology Co.,Ltd. Address before: 311107 No. 5-1, zhazhuang village bridge, Renhe Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU ESQUEL ELECTRICAL MANUFACTURING CO.,LTD. |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 313300 Building 3, Intelligent Manufacturing Industrial Park, No. 888, Tianhuangping North Road, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Yida Energy Saving Technology Co.,Ltd. Address before: 311100 no.38-2, Zhoujiaba, Tangbei village, Tangqi Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Zhejiang Yida Energy Saving Technology Co.,Ltd. |
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| 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: 20140402 |