CN107270763A - A kind of inner-finned-tube heat exchanger - Google Patents
A kind of inner-finned-tube heat exchanger Download PDFInfo
- Publication number
- CN107270763A CN107270763A CN201710176114.5A CN201710176114A CN107270763A CN 107270763 A CN107270763 A CN 107270763A CN 201710176114 A CN201710176114 A CN 201710176114A CN 107270763 A CN107270763 A CN 107270763A
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- China
- Prior art keywords
- heat
- heat exchange
- exchanging chamber
- heat exchanging
- micro
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
A kind of inner-finned-tube heat exchanger, including heat exchange outer tube；Inner fin is provided with described heat exchange outer tube wall；Vortex generating means are additionally provided with described heat exchange outer tube wall；Described vortex generating means are made up of six groups of micro- blade assemblies；Described inner fin connection is on center shaft；Heat exchange cavity is formed between described central shaft and inner fin and heat exchange outer tube；Described heat exchange cavity includes 4 heat exchanging chambers, respectively the first heat exchanging chamber, the second heat exchanging chamber, the 3rd heat exchanging chamber and the 4th heat exchanging chamber；So that the persistent loop of the cold fluid and hot fluid between heat exchange outer tube wall, heat transferring medium and main flow medium is exchanged, the heat transfer property of heat exchanger is added, heat exchange efficiency is improved, resource is saved.
Description
Technical field
The present invention relates to heat exchange technical field of heat exchangers, there are vortex generating means in particular to one kind, save
Tubing, improves the thermal efficiency, saves the inner-finned-tube heat exchanger of substantial amounts of fuel.
Background technology
With the further development of global industry process, energy conservation and environmental protection has been increasingly subject to the pass of countries in the world
Note；The energy conservation and environmental protection existed for current heating furnace, develops high efficiency shortened process industrial heating device, employs condensation
Formula flue gas waste heat recovery technology effectively improves industrial heating furnace, gas fuel boiler thermal output, saves substantial amounts of fuel, produces weight
Big energy-saving benefit；Wherein heat exchanger, is widely applicable finned tube exchanger, area of dissipation can be expanded by fin at present,
Enhancing heat transfer effect, but the setting of the heat exchanger types of finned tube, shape and finned tube parameter all influencer's radiating effects
Quality, and at present in the case of energy crisis, urgent need will save the energy, meet the sustainable development of society, therefore need
A kind of new finned tube is developed, while needing to optimize the structure of finned tube, maximum heat exchange efficiency is reached, with
The energy is saved, the purpose of environmental protection and energy saving is reached；In order to shorten the flow of furnace tubing convection section, it is necessary to improve convection current in boiler tube
Heat transfer property, it is therefore desirable to which a kind of new heat exchanger solves above technical problem.
The content of the invention
There are vortex generating means it is an object of the present invention to provide one kind, tubing has been saved, the thermal efficiency is improved, save big
The inner-finned-tube heat exchanger of fuel is measured, above technical problem is solved.
In order to realize above-mentioned technical purpose, above-mentioned technical requirements are reached, the technical solution adopted in the present invention is：It is a kind of
Inner-finned-tube heat exchanger, including heat exchange outer tube；Inner fin is provided with described heat exchange outer tube wall；It is characterized in that：It is described
Heat exchange outer tube wall on be additionally provided with vortex generating means；Described inner fin connection is on center shaft；Described central shaft
Heat exchange cavity is formed between inner fin and heat exchange outer tube；Described heat exchange cavity includes 4 heat exchanging chambers, the respectively first heat exchange
Chamber, the second heat exchanging chamber, the 3rd heat exchanging chamber and the 4th heat exchanging chamber.
It is used as preferred technical scheme：Described vortex generating means are made up of six groups of micro- blade assemblies；Described micro- leaf
Piece component is uniform with one heart on heat exchange outer tube wall circumferencial direction or staggers uniform.
It is used as preferred technical scheme：The first conical opening is formed between described micro- blade assembly；The first described taper
The big end of mouth is positioned close to inner fin exit.
It is used as preferred technical scheme：Described micro- blade assembly includes first micro- blade and second micro- blade；Described
The second conical opening is formed between first micro- blade and second micro- blade；The second described conical opening small end is positioned close to inner fin
Exit.
It is used as preferred technical scheme：Described first micro- blade and second micro- blade construction is identical；Described first is micro-
Blade is triangular structure.
It is used as preferred technical scheme：Described triangular structure bottom is towards inner fin exit.
It is used as preferred technical scheme：Size a, b, c on described micro- blade assembly be respectively equal to 3.75h, 0.625h,
6.525h。
It is used as preferred technical scheme：Distributed dimension d of the described vortex generating means in heat exchange outer tube is equal to interior wing
Distributed dimension e of the piece in heat exchange outer tube half.
It is used as preferred technical scheme：The first described heat exchanging chamber and the 3rd heat exchange cavity configuration are identical；Described second is changed
Hot chamber and the 4th heat exchange cavity configuration are identical；Described the first heat exchanging chamber, the second heat exchanging chamber, the 3rd heat exchanging chamber and the 4th heat exchanging chamber it
Between for " ten " font distribution.
It is used as preferred technical scheme：The first described heat exchanging chamber and the second heat exchanging chamber are sector structure；Described first
The area of heat exchanging chamber is more than the area of the second heat exchanging chamber.
The beneficial effects of the invention are as follows：A kind of inner-finned-tube heat exchanger, is provided with vortex generating means and heat exchange cavity；Institute
Tentatively exchanged heat in the heat exchange cavity stated, heat exchange cavity is made up of 4 heat exchanging chambers, and contact area is big, heat transferring medium distribution is equal
It is even；Described vortex generating means produce vortex with forming convection current at heat exchange cavity exit, realize heat exchange outer tube wall, heat exchange
The persistent loop of cold fluid and hot fluid between medium and main flow medium is exchanged, and adds the heat transfer property of heat exchanger, improves heat exchange
Efficiency, saves resource.
Brief description of the drawings
Fig. 1 is first embodiment of the invention front view；
Fig. 2 is the micro- blade assembly of first embodiment of the invention concentric uniform broken section on heat exchange outer tube wall circumferencial direction
Figure；
Fig. 3 is micro- blade assembly graphics of the invention；
Fig. 4 is the micro- blade assembly of second embodiment of the invention in the uniform broken section that staggers on outer tube wall circumferencial direction that exchanges heat
Figure；
In figure：1. heat exchange outer tube, 2. inner fins, 3. vortex generating means, 4. central shafts, 5. heat exchange cavitys, 501. first are changed
Hot chamber, 502. second heat exchanging chambers, 503. the 3rd heat exchanging chambers, 504. the 4th heat exchanging chambers, 301. micro- blade assemblies, 302. first tapers
Mouth, 303. first micro- blades, 304. second micro- blades, 305. second conical openings.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings；
In the accompanying drawings：A kind of inner-finned-tube heat exchanger, including heat exchange outer tube 1；Interior wing is provided with the described inwall of heat exchange outer tube 1
Piece 2；Vortex generating means 3 are additionally provided with the described inwall of heat exchange outer tube 1；Described vortex generating means 3 and heat exchange cavity 5
Exit forms convection current, produces vortex, realizes the friendship of the cold fluid and hot fluid between heat exchange outer tube wall, heat transferring medium and main flow medium
Change, add the heat transfer property of heat exchanger；Described inner fin 2 is connected on central shaft 4；Described central shaft 4 and inner fin 2
Heat exchange cavity 5 is formed between heat exchange outer tube 1；Described heat exchange cavity 5 includes 4 heat exchanging chambers, respectively the first heat exchanging chamber
501st, the second heat exchanging chamber 502, the 3rd heat exchanging chamber 503 and the 4th heat exchanging chamber 504, the distribution of " ten " font, heat transferring medium contact area
Greatly, heat transferring medium is evenly distributed, and is conducive to vortex, improves heat exchange efficiency.
In Fig. 1：First embodiment：Described micro- blade assembly 301 is equal with one heart on the heat exchange inwall circumferencial direction of outer tube 1
Cloth, forms convection current with heat exchange cavity 5 exit, produces vortex, realizes between heat exchange outer tube wall, heat transferring medium and main flow medium
Cold fluid and hot fluid exchange.
In Fig. 4：Second embodiment：Described micro- blade assembly 301 staggers on the heat exchange inwall circumferencial direction of outer tube 1
Convection current is formed at cloth, with the heat exchange exit of cavity 5 and staggered positions, vortex is produced, heat exchange outer tube wall, heat transferring medium is realized
Cold fluid and hot fluid between main flow medium is exchanged.
In Fig. 1, Fig. 4：Described vortex generating means 3 are made up of six groups of micro- blade assemblies 301；Described micro- blade group
The first conical opening 302 is formed between part 301；The first described end greatly of conical opening 302 is positioned close to the exit of inner fin 2；Institute
The micro- blade assembly 301 stated includes the first micro- blade 304 of micro- blade 303 and second；First described micro- blade 303 and second is micro-
The second conical opening 305 is formed between blade 304；The described small end of the second conical opening 305 is positioned close to the exit of inner fin 2；
First described micro- blade 303 is identical with second micro- structure of blade 304；First described micro- blade 303 is triangular structure；Institute
The triangular structure bottom stated is towards the exit of inner fin 2；Distribution chi of the described vortex generating means 3 in heat exchange outer tube 1
Very little d is equal to distributed dimension e of the inner fin 2 in heat exchange outer tube 1 half；The first described conical opening 302 and the second conical opening
305 big osculums are in opposite direction；At the big mouth of the first described conical opening 302 so that heat transferring medium smoothly enters, and is flowed by osculum
It is squeezed, stops that heat transferring medium backflow in part forms vortex when going out；At the described osculum of the second conical opening 305, heat exchange is situated between
Mass flow enters, and because mouth is small, is squeezed, stops at osculum, and part heat transferring medium flows back to form vortex, extends heat transferring medium
Residence time so that the lasting cycle heat exchange of cold fluid and hot fluid between heat exchange outer tube 1 wall, heat transferring medium and main flow medium,
Coordinate with the first conical opening 302, improve heat exchange efficiency.
In figure 3：Size a, b, c on described micro- blade assembly 301 are respectively equal to 3.75h, 0.625h, 6.525h,
Different applying working conditions, selects different specifications.
In Fig. 1：The first described heat exchanging chamber 501 is identical with the structure of the 3rd heat exchanging chamber 503；The second described heat exchanging chamber
502 is identical with the structure of the 4th heat exchanging chamber 504；Described the first heat exchanging chamber 501, the second heat exchanging chamber 502, the and of the 3rd heat exchanging chamber 503
It is distributed between 4th heat exchanging chamber 504 for " ten " font, contact area is big, and heat transferring medium is evenly distributed, and improves changing for inner fin 2
The thermal efficiency, due to being 4 heat exchanging chambers, impacts mutually between the heat exchange exit heat transferring medium of cavity 5, is conducive in heat exchange cavity 5
Vortex is formed at exit, vortex generating means 3；The first described heat exchanging chamber 501 and the second heat exchanging chamber 502 are sector structure；
The area of the first described heat exchanging chamber 501 is more than the area of the second heat exchanging chamber 502, and area is different, and the flow velocity of heat transferring medium is just not
Together, impacted mutually between heat transferring medium, be conducive to forming vortex at vortex generating means 3 so that heat exchange outer tube 1 wall, changed
The lasting cycle heat exchange of cold fluid and hot fluid between thermal medium and main flow medium, improves heat exchange efficiency.
Above-described embodiment is only intended to clearly illustrate the description made of the present invention, and the not restriction to embodiment,
To those of ordinary skill in the art, other various forms of changes or change can also be made on the basis of the above description
Dynamic, there is no necessity and possibility to exhaust all the enbodiments, and the obvious change or change thus amplified out
Among moving still in protection scope of the present invention.
Claims (10)
1. a kind of inner-finned-tube heat exchanger, including heat exchange outer tube（1）；Described heat exchange outer tube（1）Inner fin is provided with inwall
（2）；It is characterized in that：Described heat exchange outer tube（1）Vortex generating means are additionally provided with inwall（3）；Described inner fin（2）
It is connected to central shaft（4）On；Described central shaft（4）With inner fin（2）With heat exchange outer tube（1）Between formed heat exchange cavity（5）；
Described heat exchange cavity（5）Including 4 heat exchanging chambers, respectively the first heat exchanging chamber（501）, the second heat exchanging chamber（502）, the 3rd heat exchange
Chamber（503）With the 4th heat exchanging chamber（504）.
2. a kind of inner-finned-tube heat exchanger according to claim 1, it is characterised in that：Described vortex generating means（3）
By six groups of micro- blade assemblies（301）Composition；Described micro- blade assembly（301）In heat exchange outer tube（1）It is same on inwall circumferencial direction
The heart is uniform or staggers uniform.
3. a kind of inner-finned-tube heat exchanger according to claim 2, it is characterised in that：Described micro- blade assembly（301）
Between form the first conical opening（302）；The first described conical opening（302）Big end is positioned close to inner fin（2）Exit.
4. a kind of inner-finned-tube heat exchanger according to claim 2, it is characterised in that：Described micro- blade assembly（301）
Including first micro- blade（303）With second micro- blade（304）；First described micro- blade（303）With second micro- blade（304）It
Between form the second conical opening（305）；The second described conical opening（305）Small end is positioned close to inner fin（2）Exit.
5. a kind of inner-finned-tube heat exchanger according to claim 4, it is characterised in that：First described micro- blade（303）
With second micro- blade（304）Structure is identical；First described micro- blade（303）For triangular structure.
6. a kind of inner-finned-tube heat exchanger according to claim 5, it is characterised in that：Described triangular structure bottom court
To inner fin（2）Exit.
7. a kind of inner-finned-tube heat exchanger according to claim 2, it is characterised in that：Described micro- blade assembly（301）
On size a, b, c be respectively equal to 3.75h, 0.625h, 6.525h.
8. a kind of inner-finned-tube heat exchanger according to claim 2, it is characterised in that：Described vortex generating means（3）
In heat exchange outer tube（1）Interior distributed dimension d is equal to inner fin（2）In heat exchange outer tube（1）Interior distributed dimension e half.
9. a kind of inner-finned-tube heat exchanger according to claim 1, it is characterised in that：The first described heat exchanging chamber（501）
With the 3rd heat exchanging chamber（503）Structure is identical；The second described heat exchanging chamber（502）With the 4th heat exchanging chamber（504）Structure is identical；It is described
The first heat exchanging chamber（501）, the second heat exchanging chamber（502）, the 3rd heat exchanging chamber（503）With the 4th heat exchanging chamber（504）Between be " ten "
Font is distributed.
10. a kind of inner-finned-tube heat exchanger according to claim 9, it is characterised in that：The first described heat exchanging chamber（501）
With the second heat exchanging chamber（502）For sector structure；The first described heat exchanging chamber（501）Area be more than the second heat exchanging chamber（502）'s
Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176114.5A CN107270763B (en) | 2017-03-23 | 2017-03-23 | Inner fin tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710176114.5A CN107270763B (en) | 2017-03-23 | 2017-03-23 | Inner fin tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107270763A true CN107270763A (en) | 2017-10-20 |
| CN107270763B CN107270763B (en) | 2023-09-05 |
Family
ID=60073625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710176114.5A Active CN107270763B (en) | 2017-03-23 | 2017-03-23 | Inner fin tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107270763B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199414A1 (en) * | 2019-04-02 | 2020-10-08 | 青岛海尔空调器有限总公司 | Fluid pipe, heat exchange device and temperature regulation device |
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|---|---|---|---|---|
| CN1451937A (en) * | 2003-05-10 | 2003-10-29 | 清华大学 | Non-continuous double diagonal internal rib reinforced heat exchange tube |
| CN201293590Y (en) * | 2008-11-18 | 2009-08-19 | 高宁 | Bottom waviness heat exchange tube |
| CN102889813A (en) * | 2012-10-19 | 2013-01-23 | 合肥通用机械研究院 | Double-finned tube combined heat exchange component for high efficiency vaporizer |
| CN103175429A (en) * | 2013-04-18 | 2013-06-26 | 南京工业大学 | Multidirectional corrugated inner finned tube |
| CN206755963U (en) * | 2017-03-23 | 2017-12-15 | 托普工业(江苏)有限公司 | Inner-finned-tube heat exchanger |
| CN110174009A (en) * | 2019-06-12 | 2019-08-27 | 珠海格力电器股份有限公司 | Double-tube heat exchanger with fin |
-
2017
- 2017-03-23 CN CN201710176114.5A patent/CN107270763B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1451937A (en) * | 2003-05-10 | 2003-10-29 | 清华大学 | Non-continuous double diagonal internal rib reinforced heat exchange tube |
| CN201293590Y (en) * | 2008-11-18 | 2009-08-19 | 高宁 | Bottom waviness heat exchange tube |
| CN102889813A (en) * | 2012-10-19 | 2013-01-23 | 合肥通用机械研究院 | Double-finned tube combined heat exchange component for high efficiency vaporizer |
| CN103175429A (en) * | 2013-04-18 | 2013-06-26 | 南京工业大学 | Multidirectional corrugated inner finned tube |
| CN206755963U (en) * | 2017-03-23 | 2017-12-15 | 托普工业(江苏)有限公司 | Inner-finned-tube heat exchanger |
| CN110174009A (en) * | 2019-06-12 | 2019-08-27 | 珠海格力电器股份有限公司 | Double-tube heat exchanger with fin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199414A1 (en) * | 2019-04-02 | 2020-10-08 | 青岛海尔空调器有限总公司 | Fluid pipe, heat exchange device and temperature regulation device |
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| Publication number | Publication date |
|---|---|
| CN107270763B (en) | 2023-09-05 |
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