CN202993942U - Heat transfer tube with external three-dimensional fins - Google Patents
Heat transfer tube with external three-dimensional fins Download PDFInfo
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- CN202993942U CN202993942U CN 201220620582 CN201220620582U CN202993942U CN 202993942 U CN202993942 U CN 202993942U CN 201220620582 CN201220620582 CN 201220620582 CN 201220620582 U CN201220620582 U CN 201220620582U CN 202993942 U CN202993942 U CN 202993942U
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- heat transfer
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- fins
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Abstract
The utility model discloses a heat transfer tube with three-dimensional external fins. The heat transfer tube with the three-dimensional external outer fins comprises a base tube (1) and the fins (2), wherein a plurality of rows of the fins (2) are evenly arranged on the outside surface of the base tube (1) in a stagger mode, and the fins (2) are in a pin-fin shape. The base tube and the pin fins are formed in one, so that the metallic thermal contact resistance can be eliminated, and the fins enlarge the surface heat transfer area of the heat transfer tube. Due to the three-dimensional structural design of the pin fins, fluid media passing by the outer surface of the tube can be in a turbulent state to prevent the formation of a fluid boundary layer, the reinforced heat transfer is achieved, goals of being high-efficiency, energy-saving and material-saving are achieved, and the simple structure and low cost can be achieved.
Description
Technical field
The utility model relates to a kind of heat-transfer pipe, particularly a kind of three-D external-rib fin heat transfer pipe.
Background technology
1, in the market shell-and-tube heat exchanger is widely used in every profession and trade, and the energy consumption of its application accounts for 40% of total energy consumption, and heat exchanger heat transfer efficient low directly determining energy-conservation level.Heat-transfer pipe is the core component of shell-and-tube heat exchanger, and the performance of heat exchanger is mainly determined by the performance of heat-transfer pipe.Therefore, use the augmentation of heat transfer technology in the heat-transfer pipe design and in making, be the emphasis of heat exchanger research always.The application of augmentation of heat transfer new technology can make the more conventional reduction of heat exchanger energy consumption more than 20%, both can save metal pipe material and reduce cost of equipment, can improve significantly utilization efficiency of heat energy again, reduces energy consumption.Smooth passage or the plain tube of the first generation successively experienced in the development of heat-transfer pipe, and the two-dimentional roughness element of the second generation or two-dimentional fin, both ubiquities the shortcomings such as efficient is low, energy consumption is high, volume is large, the material consumption is many.
2, the three-dimensional intensify heat transfer pipe that has at present a three-dimensional structure is compared first and second intensify heat transfer pipe performance in generation and is greatly improved, three-dimensional intensify heat transfer pipe can be summed up as two large classes industrial: a class is that fin and parent tube are processed respectively, then the intensify heat transfer pipe that utilizes some special processing methods that both are combined, as cold rolling embedding finned tube, high-frequency welding finned tube etc., such finned tube ubiquity thermal contact resistance is excessive, fin easily comes off, can not increase the shortcoming of condensation or convective heat-transfer coefficient; Another kind of is the monolithic devices intensify heat transfer pipe of fin and parent tube one, does not have thermal contact resistance between fin and parent tube, and both compatibilities are good, long service life.But the process technologies such as traditional rolling, cutting are adopted in the manufacturing of monolithic devices three-dimension fin intensify heat transfer pipe, production technology is long, production efficiency is restricted, the parent tube consumable quantity of heat-transfer pipe processing use is large, there is the high shortcoming of serious cost, and the heat-transfer pipe outer surface expansion heat transfer area after processing only improves 10% left and right than two-dimentional finned tube, and whole power consumption is still higher.How to make the three-dimension integrally finned tube reach efficiently, economize the purpose of material, consumption reduction, put on new research course to improving heat exchanger efficiency and energy utilization rate.
The utility model content
It is high that the technical problems to be solved in the utility model is to provide a kind of fin strength, difficult drop-off can greatly be expanded the heat transfer area of heat-transfer pipe outer surface, realizes augmentation of heat transfer, can reduce significantly the consumption of basepipe materials again, the three-D external-rib fin heat transfer pipe of reach efficient, economizing material, consumption reduction.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of three-D external-rib fin heat transfer pipe, the rib fin that comprises parent tube and be arranged on the parent tube outer surface, described parent tube outer surface are provided with some row rib fins, and the stagger arrangement of described rib fin is distributed in the parent tube outer surface, and described rib fin is the pin rib shape.
As further improvement in the technical proposal:
Described rib fin and parent tube axis angle are: 60 °～90 °; The circumferential every number of turns amount of rib fin of described parent tube outer surface is: 10～50; Described rib fin height is: 1 mm～10mm; Described rib fin width is: 1 mm～5mm; Described rib fin thickness is: 0.2 mm～1.0mm; Described rib spacing of fin is: 1 mm～10mm.
The rib fin of described pin rib shape is for having Three Dimensions Structure.
Described basepipe materials is for having good ductile metal material.
The rib fin employing of described parent tube outer surface pin rib shape is carved cutting processing method and is made.
The rib fin of described parent tube outer surface pin rib shape adopts the broaching processing method to make.
The rib fin of described parent tube outer surface pin rib shape adopts the planing operation method to make.
The utlity model has following advantage:
1, the pin rib shape fin that has a Three Dimensions Structure has enlarged 3～10 times of the appearance heat transfer areas of heat-transfer pipe.2, fin and parent tube are that one is processed to form, and have eliminated the thermal contact resistance of metal.3, pin rib shape fin has the fluid media (medium) that makes through tube outer surface and is in the flow-disturbing state, has stoped the formation of fluid boundary layer, has realized augmentation of heat transfer, has reached the purpose of energy-efficient province material.4, pin rib fin strong shock resistance after work hardening, and fin difficult drop-off, the appearance neat appearance.5, this three-D external-rib finned tube has uniquely in the deashing function, is difficult for the deposition dirt, greatly reduces the maintenance cost of heat exchanger.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is the cross section structure schematic diagram of the utility model embodiment parent tube.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention are made more explicit defining.
As depicted in figs. 1 and 2, the rib fin 2 that the three-D external-rib fin heat transfer pipe of the present embodiment comprises parent tube 1 and is arranged on parent tube 1 outer surface, described parent tube 1 outer surface is provided with some row rib fins 2, described rib fin 2 stagger arrangement are distributed in parent tube 1 outer surface, and described rib fin 2 is the pin rib shape.the present embodiment product is that the outer surface at parent tube 1 processes the rib fin 2 that some quantity are the pin rib shape, the rib fin 2 of pin rib shape stagger arrangement equably is distributed in parent tube 1 outer surface, the parent tube 1 of rib fin 2 is to adopt the metal material with good extension property to make, for example: copper, copper alloy, aluminium, aluminium alloy, stainless steel, the metal materials such as carbon steel, this is that metal material is because itself has extensibility, adopt to carve when the rib fin 2 of machined needles rib shape and cut or broach or the simple processing method of planing etc. can be made into, and Ke Qie or cut to make the rib fin 2 that takes are the features with three-dimensional structure,
Rib fin and the parent tube axis angle of the three-D external-rib fin heat transfer pipe described in the present embodiment are: 60 °～90 °; The circumferential every number of turns amount of rib fin of described parent tube outer surface is: 10～50; Described rib fin height is: 1 mm～10mm; Described rib fin width is: 1 mm～5mm; Described rib fin thickness is: 0.2 mm～1.0mm; Described rib spacing of fin is: 1 mm～10mm.The above-mentioned numerical value that uses is the radix of general use, in the spacing of the height of practical operation middle rib fin 2, thickness, width, fin, angle, circumferentially the quantity etc. of the number of turns and every circle can be regulated by the numerically controlled processing equipment of special use according to the real work situation.
The course of work and the usefulness of this product are illustrated as:
Because the rib fin stagger arrangement of pin rib shape is distributed in tube outer surface, destroyed the formation of fluid in heat-transfer pipe outer surface boundary layer, be conducive to fluid and form the flow-disturbing state at the heat-transfer pipe outer surface, make fluid media (medium) can reach rib fin root and accelerate to turbulence state between the rib fin, having realized augmentation of heat transfer.Rib fin and parent tube are one in addition, have eliminated thermal contact resistance, and the rib fin is rib shape, have realized the effect of augmentation of heat transfer.10～50, the circumferential every circle of rib number of fins, rib fin height 1 mm～10mm, rib fin width 1 mm～5mm, rib fin thickness 0.2 mm～1.0mm, rib spacing of fin 1 mm～10mm, improvement as above-mentioned radix also can visual practical operation be expanded 3～10 times of radixes on the basis of former radix, greatly expanded the rib fin of pin rib shape at the outer surface heat transfer area of heat-transfer pipe.Realized the augmentation of heat transfer of this product from above-mentioned description, improved the heat transfer efficiency of heat exchanger, its coefficient of heat transfer is 3～8 times of old-fashioned plain tube, and boiling heat transfer coefficient can reach 3～8 times of old-fashioned plain tube, and the condensation heat transfer coefficient can reach 3～6 times of old-fashioned plain tube.
The utility model compared with prior art, the rib fin has significant Three Dimensions Structure, rib fin and parent tube are whole, heat-transfer pipe outer surface heat transfer area ratio enlarges, rib fin parameter can be adjusted according to actual condition, rib fin strong shock resistance after work hardening, and rib fin difficult drop-off, the appearance neat appearance.The three-D external-rib finned tube has uniquely in the deashing function in addition, is difficult for the deposition dirt, greatly reduces the maintenance cost of heat exchanger.The three-D external-rib finned tube of this product is applied in heat exchanger, can realize the product technology qualitative leap.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme that belongs to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, some improvements and modifications of carrying out under the prerequisite that does not break away from principle of the present utility model, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. three-D external-rib fin heat transfer pipe, the rib fin (2) that comprises parent tube (1) and be arranged on parent tube (1) outer surface, it is characterized in that: described parent tube (1) outer surface is provided with some row rib fins (2), described rib fin (2) stagger arrangement is distributed in parent tube (1) outer surface, and described rib fin (2) is the pin rib shape.
2. three-D external-rib fin heat transfer pipe according to claim 1 is characterized in that: described rib fin (2) with parent tube (1) axis angle is: 60 °～90 °; The circumferential every number of turns amount of rib fin (2) of described parent tube (1) outer surface is: 10～50; Described rib fin (2) is highly: 1 mm～10mm; Described rib fin (2) width is: 1 mm～5mm; Described rib fin (2) thickness is: 0.2 mm～1.0mm; Described rib fin (2) spacing is: 1 mm～10mm.
3. three-D external-rib fin heat transfer pipe according to claim 1, it is characterized in that: the rib fin (2) of described pin rib shape is for having Three Dimensions Structure.
4. three-D external-rib fin heat transfer pipe according to claim 1, it is characterized in that: described parent tube (1) material is for having good ductile metal material.
5. three-D external-rib fin heat transfer pipe according to claim 1 is characterized in that: the rib fin (2) of described parent tube (1) outer surface pin rib shape adopts to be carved cutting processing method and makes.
6. three-D external-rib fin heat transfer pipe according to claim 1 is characterized in that: the rib fin (2) of described parent tube (1) outer surface pin rib shape adopts the broaching processing method to make.
7. three-D external-rib fin heat transfer pipe according to claim 1 is characterized in that: the rib fin (2) of described parent tube (1) outer surface pin rib shape adopts the planing operation method to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620582 CN202993942U (en) | 2012-11-21 | 2012-11-21 | Heat transfer tube with external three-dimensional fins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220620582 CN202993942U (en) | 2012-11-21 | 2012-11-21 | Heat transfer tube with external three-dimensional fins |
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| Publication Number | Publication Date |
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| CN202993942U true CN202993942U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220620582 Expired - Fee Related CN202993942U (en) | 2012-11-21 | 2012-11-21 | Heat transfer tube with external three-dimensional fins |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266499A (en) * | 2014-10-17 | 2015-01-07 | 中冶赛迪工程技术股份有限公司 | Scrap steel preheating electric furnace flue gas waste heat recovery device |
| CN106028764A (en) * | 2016-07-29 | 2016-10-12 | 全椒赛德利机械有限公司 | Heat pipe type radiator and production process thereof |
| CN106288539A (en) * | 2015-05-28 | 2017-01-04 | 苏州三星电子有限公司 | A kind of idle call tubular type subcooler |
| CN106767006A (en) * | 2017-01-25 | 2017-05-31 | 吉林大学 | A kind of radiator core structure |
| CN108562179A (en) * | 2018-04-28 | 2018-09-21 | 中冶焦耐(大连)工程技术有限公司 | A kind of spiral jet double-tube heat exchanger and its working method |
| CN109150097A (en) * | 2018-08-21 | 2019-01-04 | 河海大学常州校区 | A kind of cooling collecting system of photovoltaic module |
| CN111023882A (en) * | 2019-12-24 | 2020-04-17 | 重庆大学 | Three-dimensional ribbed tube with two-way memory effect and processing method |
-
2012
- 2012-11-21 CN CN 201220620582 patent/CN202993942U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266499A (en) * | 2014-10-17 | 2015-01-07 | 中冶赛迪工程技术股份有限公司 | Scrap steel preheating electric furnace flue gas waste heat recovery device |
| CN106288539A (en) * | 2015-05-28 | 2017-01-04 | 苏州三星电子有限公司 | A kind of idle call tubular type subcooler |
| CN106028764A (en) * | 2016-07-29 | 2016-10-12 | 全椒赛德利机械有限公司 | Heat pipe type radiator and production process thereof |
| CN106767006A (en) * | 2017-01-25 | 2017-05-31 | 吉林大学 | A kind of radiator core structure |
| CN108562179A (en) * | 2018-04-28 | 2018-09-21 | 中冶焦耐(大连)工程技术有限公司 | A kind of spiral jet double-tube heat exchanger and its working method |
| CN108562179B (en) * | 2018-04-28 | 2024-04-23 | 中冶焦耐(大连)工程技术有限公司 | Spiral jet flow sleeve heat exchanger and working method thereof |
| CN109150097A (en) * | 2018-08-21 | 2019-01-04 | 河海大学常州校区 | A kind of cooling collecting system of photovoltaic module |
| CN111023882A (en) * | 2019-12-24 | 2020-04-17 | 重庆大学 | Three-dimensional ribbed tube with two-way memory effect and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190118 Address after: 528225 No. 13 Workshop of Foshan Escu Foam Plastic Industry Co., Ltd., Tangbian Industrial Zone, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Foshan Yonghuaxin Heat Exchanger Equipment Co., Ltd. Address before: 528012 Room 602, Block 6, Xinfeng Road, Chancheng District, Foshan City, Guangdong Province Patentee before: Wang Zhenyong |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |