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CN108426479A - A kind of interior finned tube - Google Patents

A kind of interior finned tube Download PDF

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Publication number
CN108426479A
CN108426479A CN201810339560.8A CN201810339560A CN108426479A CN 108426479 A CN108426479 A CN 108426479A CN 201810339560 A CN201810339560 A CN 201810339560A CN 108426479 A CN108426479 A CN 108426479A
Authority
CN
China
Prior art keywords
fin
heat exchanger
exchanger channels
finned tube
interior
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.)
Withdrawn
Application number
CN201810339560.8A
Other languages
Chinese (zh)
Inventor
张国强
虞红进
缪露杰
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.)
Hangzhou Fin Tube Pipe Industrial Co Ltd
Original Assignee
Hangzhou Fin Tube Pipe Industrial 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 Hangzhou Fin Tube Pipe Industrial Co Ltd filed Critical Hangzhou Fin Tube Pipe Industrial Co Ltd
Priority to CN201810339560.8A priority Critical patent/CN108426479A/en
Publication of CN108426479A publication Critical patent/CN108426479A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a kind of interior finned tubes, for heat transmission equipment in the industries such as energy petrochemical industry power light industry aerospace.The contact area of interior finned tube in the prior art, fin and flow media in pipe is small, and heat exchange area is small, and then causes thermal coefficient relatively low.The present invention includes interior finned tube ontology, fin and heat exchanger channels, fin and heat exchanger channels are arranged in interior finned tube ontology, fin includes left fin and right fin, heat exchanger channels include left heat exchanger channels, right heat exchanger channels, upper heat exchanger channels, lower heat exchanger channels and heat exchanger channels ontology, left fin and right fin are arranged in same level, left heat exchanger channels, right heat exchanger channels, upper heat exchanger channels and lower heat exchanger channels are connected to heat exchanger channels ontology, and left fin, right fin, upper heat exchanger channels and lower heat exchanger channels are both provided with heat exchange fin.Heat exchange area is increased, heat transfer effect is enhanced, incoagulable gas boundary layer thickness can effectively be thinned, increases the interior finned tube of cooling energy recovery.

Description

A kind of interior finned tube
Technical field
The present invention relates to a kind of interior finned tubes, are set for exchanging heat in the industries such as energy petrochemical industry power light industry aerospace It is standby.
Background technology
The contact area of interior finned tube in the prior art, fin and flow media in pipe is small, and heat exchange area is small, and then leads Cause thermal coefficient relatively low, heat exchange it is less efficient, and interior finned tube in the prior art processing is complex, processing cost compared with Height is often corroded.
In view of this, disclosing a kind of boiler in the patent document application No. is CN201510877364.2 in novel Finned tube belongs to heat-exchanger rig component technology field.The interior finned tube includes cylinder type hollow outer tube, and it is embedding that aluminium is embedded in outer tube Part, the inserts are made of two semi circular shells pectinate textures, small fin are also equipped on broach surface, on the broach Pipe is radially not contour fin to small fin outside, and the broach of two semi circular shells pectinate textures is staggered, two semi circular shells The both ends of pectinate texture are connected with each other, from entrance to export direction broach in the radially progressively longer or progressively longer of outer tube It is remained unchanged after to certain length.Above-mentioned documents are there are the contact area of fin and flow media in pipe is small, heat-transfer surface The shortcomings of product is small.
In view of this, disclosing a kind of heat and mass transfer enhancement in the patent document application No. is CN200710188421.1 Integral inner finned tube heat exchange unit structure, from main body main pipe and in the inside of main body main pipe along centerline axis to symmetrically and evenly dividing It is furnished with not contour fin to constitute, the wing top of not contour fin is semi-cylindrical, and fin both sides and wing top are tangent, and fin root is circular arc It is tangent.There are the disadvantages such as heat exchange efficiency is low for above-mentioned documents.
Invention content
It is an object of the invention to overcome above-mentioned deficiency existing in the prior art, and provide a kind of reasonable in design , it is effectively prevent sour corrosion and oxygen corrosion, thermal coefficient is high, and processability is good, at low cost, cost-effective, increases heat-transfer surface Product, enhances heat transfer effect, incoagulable gas boundary layer thickness can effectively be thinned, increase the interior finned tube of cooling energy recovery.
Technical solution is used by the present invention solves the above problems:The interior finned tube, design feature are:Including interior wing Tube body, fin and heat exchanger channels, the fin and heat exchanger channels are arranged in interior finned tube ontology, and the fin includes left wing Piece and right fin, the heat exchanger channels include left heat exchanger channels, right heat exchanger channels, upper heat exchanger channels, lower heat exchanger channels and heat exchange Channel body, the left fin and the setting of right fin in same level, the quantity of the left fin and right fin be it is multiple, And the quantity of left fin and right fin is equal, the left heat exchange of inner left wall composition of two neighboring left fin and interior finned tube ontology is logical The right side inner wall in road, two neighboring right fin and interior finned tube ontology forms right heat exchanger channels, is located at interior finned tube ontology internal upper part The upper heat exchanger channels of upper inside walls composition of left fin and right fin and interior finned tube ontology, are located at the left wing of lower part in interior finned tube ontology The lower heat exchanger channels of downside inner wall composition of piece and right fin and interior finned tube ontology, the left heat exchanger channels, right heat exchanger channels, on change The passage of heat and lower heat exchanger channels are connected to heat exchanger channels ontology, and the left fin, right fin, upper heat exchanger channels and lower heat exchange are logical Road is both provided with heat exchange fin.Heat exchange area is increased, heat transfer effect is enhanced, incoagulable gas boundary thickness can effectively be thinned Degree, increases the interior finned tube of cooling energy recovery.
Further, the heat exchange fin is ripple struction, triangular structure, square structure or polymorphic structure.It increases Heat exchange area.
Further, the left heat exchanger channels and right heat exchanger channels are symmetrical arranged about the longitudinal section of interior finned tube ontology, institute The cross section that heat exchanger channels and lower heat exchanger channels are stated about interior finned tube ontology is symmetrical arranged.Enhance heat transfer effect.
Further, the left fin includes left wing top and left fin root, and the right fin includes right wing top and right fin root, more A left wing top is arranged at same left perpendicular, and multiple left fin roots are connect with the inner left wall of interior finned tube ontology, multiple right sides Wing top is arranged at same right perpendicular, and multiple right fin roots are connect with the right side inner wall of interior finned tube ontology.Increase condensation to change Hot coefficient.
Further, the sectional area summation of the fin and heat exchange fin is less than the sectional area of heat exchanger channels.It increases and changes Hot area.
Further, the material of the interior finned tube is aluminium, aluminium alloy, copper, copper alloy, stainless steel, carbon steel or titanium.Prevent acidity Corrosion and oxygen corrosion;Thermal coefficient is high.
Further, which passes through integrated extrusion forming.Manufacture craft is simple, and intensity improves.
Further, it being set with multiple tube outside the interior finned tube, the interior finned tube for being set with multiple tube is known as interior wing multiple tube, Interior wing multiple tube is that multiple tube is sleeved on outside interior finned tube to draw.The erosion-resisting characteristic of steel has been used, has improved and uses the longevity Life;It has selected aluminium as heat exchange basic material, has reduced cost;Play the characteristic of aluminium enhanced heat exchange.
Further, the outer wall of the multiple tube needs that helical fin can be provided with according to heat exchange.It significantly increases Heat exchange area is 5 times or more of common light pipe.
Further, the material of the multiple tube and helical fin is stainless steel or carbon steel.By the rigidity of steel, add Consolidate the intensity of multiple tube is used so as to fit in the environment for having a certain pressure.
Compared with prior art, the present invention has the following advantages:
1, using integrated extrusion forming, manufacture craft is simple, and intensity improves.
2, aluminium can effectively prevent sour corrosion and oxygen corrosion, and aluminium thermal coefficient is high, has selected aluminium as basic material, has added Work is good, at low cost, cost-effective.
3, fin structure significantly increases heat exchange area in ripple, is 5 times or more of common light pipe.
4, heat exchange fin is ripple struction, has upset the flue gas stream stablized in pipe, forms flue gas turbulent flow, makes medium in pipe In strong turbulent condition, heat transfer effect is enhanced, improves heat exchange efficiency.
5, for condensing phase-change heat-exchange occasion, incoagulable gas boundary layer thickness can effectively be thinned, increase condensing heat-exchange system Number.
Description of the drawings
Fig. 1 is the cross-sectional view of the interior finned tube of the embodiment of the present invention.
Fig. 2 is the cross-sectional view of the multiple tube of the embodiment of the present invention.
Fig. 3 is the cross-sectional view of the interior wing multiple tube of the embodiment of the present invention.
In figure:Interior finned tube ontology 1, fin 2, heat exchange fin 3, heat exchanger channels 4, multiple tube 5, interior wing multiple tube 6, left fin 21, right fin 22, left heat exchanger channels 41, right heat exchanger channels 42, upper heat exchanger channels 43, lower heat exchanger channels 44, heat exchanger channels ontology 45。
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is to this hair Bright explanation and the invention is not limited in following embodiments.
Embodiment.
Shown in Fig. 1 to Fig. 3, it should however be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings are only used To coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can The qualifications of implementation, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill In the range of art content can cover.Meanwhile if in this specification with reference as "upper", "lower", "left", "right", " centre " and The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
Interior finned tube in the present embodiment, including interior finned tube ontology 1, fin 2 and heat exchanger channels 4, fin 2 and heat exchanger channels 4 Be arranged in interior finned tube ontology 1, fin 2 include left fin 21 and right fin 22, heat exchanger channels 4 include left heat exchanger channels 41, Right heat exchanger channels 42, upper heat exchanger channels 43, lower heat exchanger channels 44 and heat exchanger channels ontology 45, left fin 21 and right fin 22 are arranged In same level, the quantity of left fin 21 and right fin 22 is multiple, and left fin 21 is equal with the quantity of right fin 22, The inner left wall of two neighboring left fin 21 and interior finned tube ontology 1 forms left heat exchanger channels 41, two neighboring right fin 22 with it is interior The right side inner wall of finned tube ontology 1 forms right heat exchanger channels 42, is located at the left fin 21 and right fin 22 of interior 1 internal upper part of finned tube ontology With the upper heat exchanger channels 43 of upper inside walls composition of interior finned tube ontology 1, it is located at the left fin 21 and right wing of lower part in interior finned tube ontology 1 The lower heat exchanger channels 44 of downside inner wall composition of piece 22 and interior finned tube ontology 1, left heat exchanger channels 41, right heat exchanger channels 42, upper heat exchange Channel 43 and lower heat exchanger channels 44 are connected to heat exchanger channels ontology 45, left fin 21, right fin 22, upper heat exchanger channels 43 and under Heat exchanger channels 44 are both provided with heat exchange fin 3.
Heat exchange fin 3 in the present embodiment is ripple struction, triangular structure, square structure or polymorphic structure;Left heat exchange Channel 41 and right heat exchanger channels 42 are symmetrical arranged about the longitudinal section of interior finned tube ontology 1, upper heat exchanger channels 43 and lower heat exchanger channels 44 about interior finned tube ontology 1 cross section be symmetrical arranged.
Left fin 21 in the present embodiment includes left wing top and left fin root, and right fin 22 includes right wing top and right fin root, more A left wing top is arranged at same left perpendicular, and multiple left fin roots are connect with the inner left wall of interior finned tube ontology 1, multiple right sides Wing top is arranged at same right perpendicular, and multiple right fin roots are connect with the right side inner wall of interior finned tube ontology 1.
The sectional area summation of fin 2 and heat exchange fin 3 in the present embodiment is less than the sectional area of heat exchanger channels 4;The interior wing The material of pipe is aluminium, aluminium alloy, copper, copper alloy, stainless steel, carbon steel or titanium;The interior finned tube passes through integrated extrusion forming.
It is set with multiple tube 5 outside interior finned tube in the present embodiment, the interior finned tube for being set with multiple tube 5 is known as interior wing multiple tube 6, interior wing multiple tube 6 is that multiple tube 5 is sleeved on outside interior finned tube to draw;The outer wall of multiple tube 5 is needed according to heat exchange can be with It is provided with helical fin;The material of multiple tube 5 and helical fin is stainless steel or carbon steel.
Interior finned tube in the present embodiment, using integrated extrusion forming, manufacture craft is simple, and intensity improves;Aluminium can effectively be prevented Only sour corrosion and oxygen corrosion, aluminium thermal coefficient is high, has selected aluminium as basic material, processability is good, at low cost, cost performance It is high;Ripple struction significantly increases heat exchange area, is 5 times or more of common light pipe, and ripple struction makes medium in pipe be in strong Strong turbulent condition, enhances heat transfer effect;For condensing phase-change heat-exchange occasion, incoagulable gas boundary thickness can effectively be thinned Degree increases cooling energy recovery.
Interior finned tube multiple tube 6 in the present embodiment has used the erosion-resisting characteristic of steel, improves service life, passes through steel The rigidity of material, the intensity for strengthening multiple tube 5 are used so as to fit in the environment for having certain pressure, have selected aluminium as heat Basic material is exchanged, cost is reduced, plays the characteristic of aluminium enhanced heat exchange;Ripple struction significantly increases heat exchange area, It it is 5 times or more of common light pipe, ripple struction has upset the flue gas stream stablized in pipe, forms flue gas turbulent flow, increases heat exchange Efficiency;Sufficient heat exchange reduces the discharge of nitrogen oxides and carbon dioxide;Height heat exchange ratio, reduces the use cost of fuel.
Interior finned tube in the present embodiment, would be heated to a degree of aluminium ingot in process, be squeezed into prior system The cavity performed, hot extrusion molding.
All orientation in the present embodiment describe on the basis of Fig. 1.
Furthermore, it is necessary to illustrate, the specific embodiment described in this specification, the shape of parts and components is named Claiming etc. can be different, described in this specification above content is only to structure of the invention example explanation.It is all according to The equivalence changes or simple change done according to the structure, feature and principle described in inventional idea of the present invention, are included in this hair In the protection domain of bright patent.Those skilled in the art can do described specific embodiment various The modify or supplement or adopt similar mode of various kinds substitutes, and without departing from structure of the invention or surmounts present claims Range defined in book, is within the scope of protection of the invention.

Claims (10)

1. a kind of interior finned tube, it is characterised in that:Including interior finned tube ontology, fin and heat exchanger channels, the fin and heat exchanger channels It is arranged in interior finned tube ontology, the fin includes left fin and right fin, and the heat exchanger channels include left heat exchanger channels, the right side Heat exchanger channels, upper heat exchanger channels, lower heat exchanger channels and heat exchanger channels ontology, the left fin and right fin are arranged in same level The quantity of face, the left fin and right fin is multiple, and the quantity of left fin and right fin is equal, two neighboring left fin Left heat exchanger channels are formed with the inner left wall of interior finned tube ontology, the right side inner wall of two neighboring right fin and interior finned tube ontology forms Right heat exchanger channels are formed positioned at the upper inside walls of the left fin of interior finned tube ontology internal upper part and right fin and interior finned tube ontology and are changed The passage of heat, the lower heat exchange of downside inner wall composition for being located at the left fin and right fin with interior finned tube ontology of lower part in interior finned tube ontology are logical Road, the left heat exchanger channels, right heat exchanger channels, upper heat exchanger channels and lower heat exchanger channels are connected to heat exchanger channels ontology, described Left fin, right fin, upper heat exchanger channels and lower heat exchanger channels are both provided with heat exchange fin.
2. interior finned tube according to claim 1, it is characterised in that:The heat exchange fin be ripple struction, triangular structure, Square structure or polymorphic structure.
3. interior finned tube according to claim 1, it is characterised in that:The left heat exchanger channels and right heat exchanger channels are about interior wing The longitudinal section of tube body is symmetrical arranged, and the upper heat exchanger channels and lower heat exchanger channels are symmetrically set about the cross section of interior finned tube ontology It sets.
4. interior finned tube according to claim 1, it is characterised in that:The left fin includes left wing top and left fin root, described Right fin includes right wing top and right fin root, and multiple left wing tops are arranged at same left perpendicular, multiple left fin roots with interior wing The inner left wall of tube body connects, and multiple right wing tops are arranged at same right perpendicular, multiple right fin roots with interior finned tube sheet The right side inner wall connection of body.
5. interior finned tube according to claim 1, it is characterised in that:The sectional area summation of the fin and heat exchange fin is less than The sectional area of heat exchanger channels.
6. interior finned tube according to claim 1, it is characterised in that:The material of the interior finned tube is aluminium, aluminium alloy, copper, copper conjunction Gold, stainless steel, carbon steel or titanium.
7. interior finned tube according to claim 1, it is characterised in that:The interior finned tube passes through integrated extrusion forming.
8. interior finned tube according to claim 7, it is characterised in that:It is set with multiple tube outside the interior finned tube, is set with multiple The interior finned tube for closing pipe is known as interior wing multiple tube, and interior wing multiple tube is that multiple tube is sleeved on outside interior finned tube to draw.
9. interior finned tube according to claim 8, it is characterised in that:The outer wall of the multiple tube is provided with helical fin.
10. interior finned tube according to claim 9, it is characterised in that:The material of the multiple tube and helical fin is not Become rusty steel or carbon steel.
CN201810339560.8A 2018-04-16 2018-04-16 A kind of interior finned tube Withdrawn CN108426479A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810339560.8A CN108426479A (en) 2018-04-16 2018-04-16 A kind of interior finned tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810339560.8A CN108426479A (en) 2018-04-16 2018-04-16 A kind of interior finned tube

Publications (1)

Publication Number Publication Date
CN108426479A true CN108426479A (en) 2018-08-21

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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678364A (en) * 2020-06-30 2020-09-18 贵州民族大学 A microchannel heat exchanger
CN114562741A (en) * 2022-03-10 2022-05-31 陕西科源优创能源设备有限公司 Coaxial conjugate anisotropic enhanced heat exchange tubular element and heat exchange device
CN120008409A (en) * 2025-04-18 2025-05-16 上海方快锅炉有限公司 A multi-stage inner fin high-efficiency heat exchange element

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101201228A (en) * 2007-11-30 2008-06-18 西安交通大学 A monolithic inner-finned tube structure for enhanced convective heat and mass transfer
CN201277831Y (en) * 2008-08-29 2009-07-22 登达普(北京)资源节能科技有限公司 Heat exchanger with inner fins
CN104613805A (en) * 2015-01-26 2015-05-13 西安交通大学 Axisymmetric comb-shaped inner fin structure and fin tube thereof
CN105444602A (en) * 2015-12-04 2016-03-30 安阳方快锅炉有限公司 Novel inner finned pipe for boiler
CN208205903U (en) * 2018-04-16 2018-12-07 杭州菲德博管业有限公司 Interior finned tube

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101201228A (en) * 2007-11-30 2008-06-18 西安交通大学 A monolithic inner-finned tube structure for enhanced convective heat and mass transfer
CN201277831Y (en) * 2008-08-29 2009-07-22 登达普(北京)资源节能科技有限公司 Heat exchanger with inner fins
CN104613805A (en) * 2015-01-26 2015-05-13 西安交通大学 Axisymmetric comb-shaped inner fin structure and fin tube thereof
CN105444602A (en) * 2015-12-04 2016-03-30 安阳方快锅炉有限公司 Novel inner finned pipe for boiler
CN208205903U (en) * 2018-04-16 2018-12-07 杭州菲德博管业有限公司 Interior finned tube

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678364A (en) * 2020-06-30 2020-09-18 贵州民族大学 A microchannel heat exchanger
CN114562741A (en) * 2022-03-10 2022-05-31 陕西科源优创能源设备有限公司 Coaxial conjugate anisotropic enhanced heat exchange tubular element and heat exchange device
CN114562741B (en) * 2022-03-10 2025-10-28 陕西科源优创能源设备有限公司 A coaxial conjugate anisotropic enhanced heat exchange tubular element and heat exchange device
CN120008409A (en) * 2025-04-18 2025-05-16 上海方快锅炉有限公司 A multi-stage inner fin high-efficiency heat exchange element

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Application publication date: 20180821

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