CN206073761U - Groove heat exchange tube - Google Patents

Groove heat exchange tube Download PDF

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Publication number
CN206073761U
CN206073761U CN201620929659.XU CN201620929659U CN206073761U CN 206073761 U CN206073761 U CN 206073761U CN 201620929659 U CN201620929659 U CN 201620929659U CN 206073761 U CN206073761 U CN 206073761U
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CN
China
Prior art keywords
tube
groove
external groove
heat exchange
fin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620929659.XU
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Chinese (zh)
Inventor
黄德斌
黄华健
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan University
Original Assignee
Foshan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan University filed Critical Foshan University
Priority to CN201620929659.XU priority Critical patent/CN206073761U/en
Application granted granted Critical
Publication of CN206073761U publication Critical patent/CN206073761U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of groove heat exchange tube, including body, the outer surface of tube body is provided with several external grooves with body diameter parallel, it is outer fin between two neighboring external groove, inner surface of tube body is provided with interior fin corresponding with the external groove and outer fin quantity respectively and inner groovy, and external groove is to be extruded from type by base tube Jing of straight tube.The heat exchanger tube that this utility model is provided, external groove is provided with circumferentially in the outer surface of body, the interior fin corresponding with body external groove is formed in body, in the case of identical actual internal area, heat transfer area increase, the interior fin of body gos deep into tube hub area, enhance the heat exchange of center fluid in body, but on-way resistance amplification is less, easy cleaning and simple production process, cost is relatively low, can be widely used for the heat transmission equipments such as vaporizer and heat exchanger.

Description

Groove heat exchange tube
Technical field
This utility model is related to technical field of heat exchange equipment, more particularly to a kind of groove heat exchange tube for heat exchanger.
Background technology
Heat exchanger tube major part used in heat transmission equipment is the little plain tube of convection transfer rate at present, also has some to change Hot equipment adopts augmentation of heat transfer pipe, such as shaped telescopic tube, band pipe and bellows tube etc., and shaped telescopic tube, band pipe, bellows tube etc. are strengthened Though the convective heat-transfer coefficient of heat-transfer pipe is improved, while also increasing flow resistance, in pipe, easily fouling is difficult to clean, and respectively From for different heat transfer mediums, narrow application range.
Utility model content
The purpose of this utility model is to provide one kind suitable for multiple fluid, the little easy cleaning of flow resistance and heat-transfer effect is good Groove heat exchange tube solving the deficiencies in the prior art.
This utility model is achieved through the following technical solutions utility model purpose:
A kind of groove heat exchange tube, including body, it is outer recessed with body diameter parallel that the outer surface of tube body is provided with several Groove, is outer fin between two neighboring external groove, and inner surface of tube body is provided with relative with the external groove and outer fin quantity respectively The interior fin answered and inner groovy.Outer surface of tube body is provided with axial external groove, so in the case of identical actual internal area, heat transfer Area increases, while fin stretches into center in body in pipe, enhances the heat exchange of center fluid in pipe, can improve convection current and change Hot coefficient and as external groove is axially arranged along body, the amplification of fluid on-way resistance is little.
Further, the cross circular section arc of the external groove, fluid resistance are little and less scaling.
Further, the external groove and interior fin quantity are 2~6, along body circumference to being uniformly distributed, external groove with Interior fin quantity determines that mainly according to the size of pipe diameter quantity is very few effectively can not to be increased heat transfer area and improve right The stream coefficient of heat transfer, arranges the amplification of excessively meeting larger fluid on-way resistance.
Further, the external groove is connected with one section of outer surface of tube body junction arc transition, fluid resistance it is little and It is less scaling.
Further, the external groove is to be extruded from type by base tube Jing of straight tube, and simple production process, cost are relatively low.
Further, the interior fin and the distance of body axis are the 1/2~3/4 of base tube radius.Interior fin stretches into pipe Center, can make the heat exchange of center fluid in body more abundant in vivo.
The groove heat exchange tube that this utility model is provided has advantages below:
1st, the outer surface in body is circumferentially provided with external groove, is formed in corresponding with body external groove in body Fin, in the case of identical actual internal area, heat transfer area increase.
2nd, the interior fin of body gos deep into tube hub area, enhances the heat exchange of center fluid in body, and this kind of structure can be compared with Increase substantially convection transfer rate but on-way resistance amplification is little.
3rd, the external groove of outer surface of tube body can be extruded from various metals material, and simple production process, cost are relatively low, and The intensity and toughness of tubing are improve, the heat transmission equipments such as vaporizer, heat exchanger are can be widely used for.
Description of the drawings
Fig. 1 is a kind of structural representation of embodiment of this utility model;
Fig. 2 is the generalized section at A-A in Fig. 1;
Wherein:1-body, 2-external groove, 3-outer fin, 4-interior fin, 5-inner groovy, 6-circular arc, 7-body Axis.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described in further detail.Wherein, accompanying drawing is only used for Exemplary illustration, expression is only schematic diagram, rather than pictorial diagram, it is impossible to be interpreted as the restriction to this patent;In order to preferably say Bright embodiment of the present utility model, accompanying drawing some parts have omission, zoom in or out, and do not represent the size of actual product; It will be understood by those skilled in the art that some known features and its possible omission of explanation will be understood by accompanying drawing.
As shown in figure 1, a kind of groove heat exchange tube, including body 1, it is flat with body axis 7 that 1 outer surface of body is provided with several Capable external groove 2, in the present embodiment, external groove 2 and 4 quantity of interior fin are 4, can be with according to the setting of the actual diameter of body 1 Into 2,3,5 or 6, external groove 2 and interior fin 4 are along 1 circumference of body to being uniformly distributed.Wherein, external groove 2 is transversal Face is circular arc or cone triangle, and circular arc is designed as in the present embodiment.External groove 2 is with smooth straight as base tube, smooth The method that extruding is extended axially through on the outer surface of straight tube body forms external groove 2, this letter of body production technology with external groove 2 Single, cost is relatively low.Be outer fin 3 between two neighboring external groove 2,1 inner surface of body be provided with respectively with external groove 2 and outer fin The corresponding interior fin 4 of 3 quantity and inner groovy 5, in the case of circulation identical, the setting of external groove 2 increased fluid and change Hot area, interior fin 4 can then strengthen the heat transfer effect of core flow in body 1.
Additionally, external groove 2 is connected with one section of 1 outer surface junction of body, 6 transition of circular arc.In order that interior fin 4 is stretched into In body 1, center makes the heat exchange of center fluid in body 1 more abundant, and interior fin 4 is base tube half with the distance of body axis 7 The 3/4 of footpath.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art, On the premise of design being created without departing from this utility model, can also make some deformations and improvement, these belong to practical New protection domain.

Claims (6)

1. a kind of groove heat exchange tube, it is characterised in that:Including body, it is flat with body axis that the outer surface of tube body is provided with several Capable external groove, is outer fin between two neighboring external groove, inner surface of tube body be provided with respectively with the external groove and outer fin The corresponding interior fin of quantity and inner groovy.
2. groove heat exchange tube according to claim 1, it is characterised in that:The cross section of the external groove is in circular arc.
3. groove heat exchange tube according to claim 1, it is characterised in that:The external groove is 2 ~ 6 with interior fin quantity, Along body circumference to being uniformly distributed.
4. groove heat exchange tube according to claim 2, it is characterised in that:The external groove and outer surface of tube body junction Jing One section of arc transition connection.
5. groove heat exchange tube according to claim 1, it is characterised in that:The external groove is extruded by base tube Jing of straight tube And molding.
6. groove heat exchange tube according to claim 5, it is characterised in that:The interior fin is base with the distance of body axis The 1/2 ~ 3/4 of pipe radius.
CN201620929659.XU 2016-08-24 2016-08-24 Groove heat exchange tube Expired - Fee Related CN206073761U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620929659.XU CN206073761U (en) 2016-08-24 2016-08-24 Groove heat exchange tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620929659.XU CN206073761U (en) 2016-08-24 2016-08-24 Groove heat exchange tube

Publications (1)

Publication Number Publication Date
CN206073761U true CN206073761U (en) 2017-04-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620929659.XU Expired - Fee Related CN206073761U (en) 2016-08-24 2016-08-24 Groove heat exchange tube

Country Status (1)

Country Link
CN (1) CN206073761U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143886A (en) * 2017-06-27 2017-09-08 杨全瑞 Single tube and its processing method and connection method of a kind of hot blast from liter type combustion chamber
CN107178797A (en) * 2017-06-27 2017-09-19 杨全瑞 A kind of improved multitube radiating stove
CN107178796A (en) * 2017-06-27 2017-09-19 杨全瑞 A kind of radiating stove radiating combustion chamber of heat from wind
CN108295679A (en) * 2018-04-20 2018-07-20 张家港市清源水处理有限公司 A kind of the configuration system and its configuration method of water process polyacrylamide
CN108332583A (en) * 2018-02-11 2018-07-27 佛山科学技术学院 A kind of axial notch heat exchanger tube double pipe heat exchanger
CN109297183A (en) * 2018-11-08 2019-02-01 王泽宇 A kind of indoor heating system of heat storage water tank coupling submersible type heat dump

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107143886A (en) * 2017-06-27 2017-09-08 杨全瑞 Single tube and its processing method and connection method of a kind of hot blast from liter type combustion chamber
CN107178797A (en) * 2017-06-27 2017-09-19 杨全瑞 A kind of improved multitube radiating stove
CN107178796A (en) * 2017-06-27 2017-09-19 杨全瑞 A kind of radiating stove radiating combustion chamber of heat from wind
CN108332583A (en) * 2018-02-11 2018-07-27 佛山科学技术学院 A kind of axial notch heat exchanger tube double pipe heat exchanger
CN108295679A (en) * 2018-04-20 2018-07-20 张家港市清源水处理有限公司 A kind of the configuration system and its configuration method of water process polyacrylamide
CN108295679B (en) * 2018-04-20 2024-04-05 张家港市清源水处理有限公司 Configuration system and configuration method of polyacrylamide for water treatment
CN109297183A (en) * 2018-11-08 2019-02-01 王泽宇 A kind of indoor heating system of heat storage water tank coupling submersible type heat dump

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GR01 Patent grant
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: 20170405

Termination date: 20170824