CN107270744A - Efficient coaxial sleeve heat exchanger - Google Patents

Efficient coaxial sleeve heat exchanger Download PDF

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Publication number
CN107270744A
CN107270744A CN201710375552.4A CN201710375552A CN107270744A CN 107270744 A CN107270744 A CN 107270744A CN 201710375552 A CN201710375552 A CN 201710375552A CN 107270744 A CN107270744 A CN 107270744A
Authority
CN
China
Prior art keywords
tube
heat exchanger
flow cavity
pipe
flowing
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.)
Pending
Application number
CN201710375552.4A
Other languages
Chinese (zh)
Inventor
方彦
孙郑保
孙其松
郑阳
陈亿明
方燕仪
方越
张建芳
廖新当
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.)
Zhejiang Spring Heat Exchanger Co Ltd
Original Assignee
Zhejiang Spring Heat Exchanger Co Ltd
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 Zhejiang Spring Heat Exchanger Co Ltd filed Critical Zhejiang Spring Heat Exchanger Co Ltd
Priority to CN201710375552.4A priority Critical patent/CN107270744A/en
Publication of CN107270744A publication Critical patent/CN107270744A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/02Tubular elements of cross-section which is non-circular
    • F28F1/06Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section

Abstract

The present invention relates to a kind of heat exchanger, more particularly, to a kind of efficient coaxial sleeve heat exchanger.The efficient coaxial sleeve heat exchanger, including staving and heat exchanger tube, the two ends of described heat exchanger tube are provided with connector, heat exchanger tube includes top tube and down tube, top tube and down tube are arranged side by side and surround the coiling of identical axis, the end of top tube and down tube is connected on same connector, upper pipe includes outer tube, the inner tube positioned at outer tube and the core pipe positioned at internal tube, the first flow cavity is provided between outer tube and inner tube, the second flow cavity is provided between inner tube and core pipe, top tube and down tube structure is identical.The present invention have can increase heat exchange contact area, improve heat exchange efficiency, ensure to exchange heat everywhere it is uniform, avoid the beneficial effects such as staving internal contamination.

Description

Efficient coaxial sleeve heat exchanger
Technical field
The present invention relates to a kind of heat exchanger, more particularly, to a kind of efficient coaxial sleeve heat exchanger.
Background technology
Existing heat exchanger is generally exchanged heat using spiral coil, and spiral coil is single layer hollow structure, spiral coil Inside and outside between occur heat transmission realize exchanging for heat.When spiral coil ruptures, inside and outside spiral coil Medium is mixed, and easily causes whole staving internal contamination.And the media for heat exchange efficiency high in staving at spiral coil, And it is low away from the media for heat exchange efficiency at spiral coil, the media for heat exchange efficiency being easily caused in whole staving is uneven.
The content of the invention
The present invention can increase heat exchange contact area there is provided one kind primarily directed to above mentioned problem, improve heat exchange efficiency, guarantor Demonstrate,prove the efficient coaxial sleeve heat exchanger that is uniform, avoiding staving internal contamination that exchanges heat everywhere.
The purpose of the present invention is mainly what is be achieved by following proposal:A kind of efficient coaxial sleeve heat exchanger, including Staving and heat exchanger tube, the two ends of described heat exchanger tube are provided with connector, and heat exchanger tube includes top tube and down tube, top tube and down tube It is arranged side by side and surrounds the coiling of identical axis, the end of top tube and down tube is connected on same connector, and upper pipe includes outer Pipe, the inner tube positioned at outer tube and the core pipe positioned at internal tube, are provided with the first flow cavity between outer tube and inner tube, interior The second flow cavity is provided between pipe and core pipe, top tube and down tube structure is identical.Heat exchanger tube is side by side up and down by top tube and down tube Mode surround the duplex coil that is coiled to form of identical axis, one end of top tube and down tube is connected on same connector, The other end is connected on another identical connector.Upper pipe includes outer tube, inner tube and core pipe, and the is formed between outer tube and inner tube One flow cavity, forms the second flow cavity, i.e. the first flow cavity between inner tube and core pipe and the second flowing intracavitary can be for flowing It can also be flowed inside media flow, and core pipe for flow media, temperature is realized by the tube wall between outer tube, inner tube and core pipe Degree transmission, reaches the effect of heat exchange.First flow cavity and the second flow cavity are distributed around the axis of upper pipe, it is ensured that heat exchange is uniform. The structure of down tube is identical with the structure of upper pipe, i.e., the structure of down tube is also sandwich construction, is further ensured that the uniformity coefficient of heat exchange.
Preferably, described inner tube outer surface has been radially arranged several heat exchanger fins, heat exchanger fin is evenly around inner tube Axis is distributed, and the part between two heat exchanger fins of arbitrary neighborhood is the first flow cavity.Inner tube outer surface has been radially arranged several Inner tube, is spaced apart by heat exchanger fin using heat exchanger fin with outer tube, i.e., the part between two heat exchanger fins of arbitrary neighborhood is the first flowing Chamber, heat exchanger fin can not only realize the support between inner tube and outer tube, and can improve the efficiency of temperature transmission, and heat exchanger fin is equal The even axis around inner tube is distributed, it is ensured that heat exchanger fin heat exchange is uniform.
Preferably, described inner tube inner surface setting has several flowing grooves, flowing groove is around inner tube axis spiral point Cloth, core pipe outer surface is provided with splicing groove corresponding with flowing groove, and splicing groove connects to form the second flow cavity with flowing groove.Inner tube Inner surface setting flowing groove, core pipe outer surface forms the second complete flowing after setting splicing groove, flowing groove corresponding with splicing groove Chamber, because flowing groove surrounds inner tube axis Spiral distribution, after flowing groove is with splicing groove splicing, makes the second flow cavity helically divide Cloth, when the second flowing intracavitary is filled with fluid media (medium), fluid media (medium) surrounds the axis helical flow of core pipe along the second flow cavity, Ensure that heat exchange is uniform.
Preferably, the section of flowing groove includes segmental arc portion and the spoiler being connected with segmental arc portion, spoiler is " U "-shaped, One end of spoiler connects with the inner surface of inner tube, the other end is connected with segmental arc portion, the one end of segmental arc portion away from spoiler with it is interior The inner surface of pipe connects;Splice groove centrosymmetric structure identical and for flowing groove with flowing slot structure.When medium passes through segmental arc During portion, segmental arc portion is oriented to medium, medium is flowed towards spoiler, is made medium second using the spoiler of " u "-shaped structure Flow-disturbing is realized in flow cavity, the media roll of outer wall is will be close to the middle part of the second flow cavity, then by Jie in the middle part of the second flow cavity Matter is directed to close to the position of outer wall, makes the medium formation rolling outside the second flowing intracavitary, uniform heat exchange.
Preferably, the first described flow cavity and the two ends of the second flow cavity are connected with connector.First flow cavity Connected with the two ends of the second flow cavity by connector, fluid is filled with to the first flow cavity and the second flow cavity using connector is situated between Matter, i.e., can make first-class dynamic chamber and the fluid media (medium) of the second flowing intracavitary flowing identical using connector, can also be different.
Preferably, described core pipe is bellows.
Therefore, efficient coaxial sleeve heat exchanger of the invention possesses following advantages:Upper pipe includes outer tube, inner tube and core pipe, The first flow cavity is formed between outer tube and inner tube, the second flow cavity, i.e. the first flow cavity and second are formed between inner tube and core pipe It can be flowed in flow cavity for flow media, realize that temperature is transmitted by the tube wall between outer tube, inner tube and core pipe, reach and change The effect of heat.First flow cavity and the second flow cavity are distributed around the axis of upper pipe, it is ensured that heat exchange is uniform.The structure of down tube with it is upper The structure of pipe is identical, i.e., the structure of down tube is also sandwich construction, is further ensured that the uniformity coefficient of heat exchange.
Brief description of the drawings
Accompanying drawing 1 is a kind of structural representation of heat exchanger tube in the present invention;
Accompanying drawing 2 is the cross-section cutaway view of upper pipe in the present invention;
Accompanying drawing 3 is the cross-section cutaway view of inner tube in the present invention;
Accompanying drawing 4 is the cross-section cutaway view of core pipe of the present invention.
Illustrate:Managed on 1-, 2- down tubes, 3- connectors, 4- outer tubes, 5- inner tubes, 6- core pipes, the flow cavities of 7- first, 8- Second flow cavity, 9- heat exchanger fins, 10- flowing grooves, 11- splicing grooves.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1:As shown in Figure 1,2,3, 4, a kind of efficient coaxial sleeve heat exchanger, including staving and heat exchanger tube, heat exchange The two ends of pipe are provided with connector 3, and heat exchanger tube includes upper pipe 1 and down tube 2, and top tube and down tube are arranged side by side and surround identical Axis is coiled, and the end of top tube and down tube is connected on same connector, and upper pipe includes outer tube 4, in outer tube Pipe 5 and the core pipe 6 positioned at internal tube, are provided with the first flow cavity 7 between outer tube and inner tube, set between inner tube and core pipe There is the second flow cavity 8, top tube and down tube structure is identical.Inner tube outer surface has been radially arranged several heat exchanger fins 9, and heat exchanger fin is uniform Axis around inner tube is distributed, and the part between two heat exchanger fins of arbitrary neighborhood is the first flow cavity.Inner tube inner surface setting has Several flowing grooves 10, flowing groove surrounds inner tube axis Spiral distribution, and core pipe outer surface is provided with splicing corresponding with flowing groove Groove 11, splicing groove connects to form the second flow cavity with flowing groove.The two ends of first flow cavity and the second flow cavity are and connector It is connected.Core pipe is bellows.The section of flowing groove includes segmental arc portion and the spoiler being connected with segmental arc portion, and spoiler is " U "-shaped, One end of spoiler connects with the inner surface of inner tube, the other end is connected with segmental arc portion, the one end of segmental arc portion away from spoiler with it is interior The inner surface of pipe connects;Splice groove centrosymmetric structure identical and for flowing groove with flowing slot structure.
Heat exchanger tube is to surround the duplex coil that identical axis is coiled to form by top tube and down tube mode side by side up and down, on One end of pipe and down tube is connected on same connector, and the other end is connected on another identical connector.Upper pipe includes Outer tube, inner tube and core pipe, form the first flow cavity between outer tube and inner tube, the second flow cavity is formed between inner tube and core pipe, i.e., First flow cavity and the second flowing intracavitary can flow for flow media, and can also be for flow media stream inside core pipe It is dynamic, realize that temperature is transmitted by the tube wall between outer tube, inner tube and core pipe, reach the effect of heat exchange.First flow cavity and second Flow cavity is distributed around the axis of upper pipe, it is ensured that heat exchange is uniform.The structure of down tube is identical with the structure of upper pipe, i.e. the structure of down tube Also it is sandwich construction, is further ensured that the uniformity coefficient of heat exchange.Inner tube outer surface has been radially arranged several heat exchanger fins, using changing Inner tube is spaced apart by backing with outer tube, i.e., the part between two heat exchanger fins of arbitrary neighborhood is the first flow cavity, and heat exchanger fin is not only The support between inner tube and outer tube can be realized, and the efficiency of temperature transmission can be improved, heat exchanger fin is evenly around inner tube Axis is distributed, it is ensured that heat exchanger fin heat exchange is uniform.Inner tube inner surface setting flowing groove, core pipe outer surface sets splicing groove, flowing groove Form the second complete flow cavity after corresponding with splicing groove, because flowing groove surrounds inner tube axis Spiral distribution, when flowing groove and Splice groove splicing after, make the second flow cavity in spiral distribution, when second flowing intracavitary be filled with fluid media (medium) when, fluid media (medium) along Second flow cavity surrounds the axis helical flow of core pipe, it is ensured that heat exchange is uniform.The two ends of first flow cavity and the second flow cavity lead to Cross connector connection, fluid media (medium) is filled with to the first flow cavity and the second flow cavity using connector, i.e., can be with using connector Make the first flow cavity and the fluid media (medium) of the second flowing intracavitary flowing identical, can also be different.
It should be understood that the embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that Read after the content of the invention lectured, those skilled in the art can make various changes or modifications to the present invention, these etc. Valency form equally falls within the application appended claims limited range.

Claims (6)

1. a kind of efficient coaxial sleeve heat exchanger, including staving and heat exchanger tube, it is characterised in that the two ends of described heat exchanger tube are equal Connector is provided with, heat exchanger tube includes top tube and down tube, and top tube and down tube are arranged side by side and surround the coiling of identical axis, upper pipe It is connected to the end of down tube on same connector, upper pipe includes outer tube, the inner tube positioned at outer tube and positioned at inner tube Internal core pipe, is provided with the first flow cavity, the second flow cavity, upper pipe is provided between inner tube and core pipe between outer tube and inner tube It is identical with lower tubular construction.
2. efficient coaxial sleeve heat exchanger according to claim 1, it is characterised in that described inner tube outer surface is radially set Several heat exchanger fins are equipped with, heat exchanger fin is distributed evenly around the axis of inner tube, and the part between two heat exchanger fins of arbitrary neighborhood is First flow cavity.
3. efficient coaxial sleeve heat exchanger according to claim 1, it is characterised in that described inner tube inner surface setting has Several flowing grooves, flowing groove surrounds inner tube axis Spiral distribution, and core pipe outer surface is provided with splicing groove corresponding with flowing groove, Splicing groove connects to form the second flow cavity with flowing groove.
4. efficient coaxial sleeve heat exchanger according to claim 3, it is characterised in that the section of flowing groove includes segmental arc portion The spoiler being connected with segmental arc portion, spoiler is " U "-shaped, one end of spoiler connects with the inner surface of inner tube, the other end with Segmental arc portion is connected, and the one end of segmental arc portion away from spoiler connects with the inner surface of inner tube;Splice groove identical simultaneously with flowing slot structure For the centrosymmetric structure of flowing groove.
5. the efficient coaxial sleeve heat exchanger according to claim 1 or 2 or 3, it is characterised in that the first described flow cavity It is connected with the two ends of the second flow cavity with connector.
6. the efficient coaxial sleeve heat exchanger according to claim 1 or 2 or 3, it is characterised in that described core pipe is ripple Pipe.
CN201710375552.4A 2017-05-24 2017-05-24 Efficient coaxial sleeve heat exchanger Pending CN107270744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710375552.4A CN107270744A (en) 2017-05-24 2017-05-24 Efficient coaxial sleeve heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710375552.4A CN107270744A (en) 2017-05-24 2017-05-24 Efficient coaxial sleeve heat exchanger

Publications (1)

Publication Number Publication Date
CN107270744A true CN107270744A (en) 2017-10-20

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Family Applications (1)

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CN201710375552.4A Pending CN107270744A (en) 2017-05-24 2017-05-24 Efficient coaxial sleeve heat exchanger

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965986A (en) * 2017-11-23 2018-04-27 南宁众创空间科技有限公司 A kind of energy-saving heat cycle formula Chinese medicinal material drying equipment for drying
CN108800997A (en) * 2018-06-01 2018-11-13 三峡大学 A kind of helical structure heat exchanger and its cleaning method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201218676Y (en) * 2008-05-23 2009-04-08 英特换热设备(浙江)有限公司 Double-walled domestic hot water coaxial sleeve heat exchanger
US20090159248A1 (en) * 2007-12-21 2009-06-25 Mimitz Sr Timothy E Heat exchanger, heat exchanger tube and methods of making and using same
CN102032827A (en) * 2010-11-30 2011-04-27 上海科米钢管有限公司 Process for processing heating jacket of heat exchange pipe
CN201876162U (en) * 2010-11-01 2011-06-22 广州柯兰特热能科技有限公司 Coaxial spiral tubes heat exchanger
CN103403488A (en) * 2011-03-01 2013-11-20 达纳加拿大公司 Coaxial gas-liquid heat exchanger with thermal expansion connector
CN103411452A (en) * 2013-07-25 2013-11-27 黎超 Improved structure of titanium coaxial double-pipe heat exchanger
CN203772073U (en) * 2014-03-04 2014-08-13 北京奥太华制冷设备有限公司 Coaxial casing pipe type heat exchanger
CN206094995U (en) * 2016-09-27 2017-04-12 英特换热设备(浙江)有限公司 Coaxial double pipe heat exchanger's coil pipe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090159248A1 (en) * 2007-12-21 2009-06-25 Mimitz Sr Timothy E Heat exchanger, heat exchanger tube and methods of making and using same
CN201218676Y (en) * 2008-05-23 2009-04-08 英特换热设备(浙江)有限公司 Double-walled domestic hot water coaxial sleeve heat exchanger
CN201876162U (en) * 2010-11-01 2011-06-22 广州柯兰特热能科技有限公司 Coaxial spiral tubes heat exchanger
CN102032827A (en) * 2010-11-30 2011-04-27 上海科米钢管有限公司 Process for processing heating jacket of heat exchange pipe
CN103403488A (en) * 2011-03-01 2013-11-20 达纳加拿大公司 Coaxial gas-liquid heat exchanger with thermal expansion connector
CN103411452A (en) * 2013-07-25 2013-11-27 黎超 Improved structure of titanium coaxial double-pipe heat exchanger
CN203772073U (en) * 2014-03-04 2014-08-13 北京奥太华制冷设备有限公司 Coaxial casing pipe type heat exchanger
CN206094995U (en) * 2016-09-27 2017-04-12 英特换热设备(浙江)有限公司 Coaxial double pipe heat exchanger's coil pipe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107965986A (en) * 2017-11-23 2018-04-27 南宁众创空间科技有限公司 A kind of energy-saving heat cycle formula Chinese medicinal material drying equipment for drying
CN107965986B (en) * 2017-11-23 2019-10-01 广州一品红制药有限公司 A kind of energy-saving heat cycle formula Chinese medicinal material drying equipment for drying
CN108800997A (en) * 2018-06-01 2018-11-13 三峡大学 A kind of helical structure heat exchanger and its cleaning method
CN108800997B (en) * 2018-06-01 2021-11-02 三峡大学 Spiral-structure heat exchanger and cleaning method thereof

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Application publication date: 20171020