CN105973053B - A kind of longitudinal wings finned tube and the heating furnace with the finned tube - Google Patents
A kind of longitudinal wings finned tube and the heating furnace with the finned tube Download PDFInfo
- Publication number
- CN105973053B CN105973053B CN201610467828.7A CN201610467828A CN105973053B CN 105973053 B CN105973053 B CN 105973053B CN 201610467828 A CN201610467828 A CN 201610467828A CN 105973053 B CN105973053 B CN 105973053B
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- Prior art keywords
- fin
- finned tube
- longitudinal wings
- tube
- base tube
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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
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/08—Fins with openings, e.g. louvers
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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 application is related to petrochemical industry, electric power energy, smelting iron and steel, technical field of heat exchange equipment in the industries such as air-conditioning, more particularly to a kind of longitudinal wings finned tube, including vertically-mounted base tube and the fin for being arranged at the base tube outer wall, the main heat exchange face of the fin is vertical, the fin has polylith, polylith fin is arranged above and below and in the vertical direction staggers, compared with prior art, using innovative fin structure, breach this area conventional thought simultaneously, the fin for having abandoned finned tube used the set-up mode of conventional shape in the past, the coefficient of heat transfer is improved using fluid turbulence can be produced after these technological means, so as to keep heat transfer effect effective steadily in the long term, the application also provides a kind of heating furnace.
Description
Technical field
The application is related to the technical field of heat exchange equipment in the industries such as petrochemical industry, electric power energy, smelting iron and steel, air-conditioning,
More particularly to a kind of longitudinal wings finned tube and with the finned tube heating furnace.
Background technology
Finned tube exchanger includes various heating furnaces, finned tube preheater, heat collector and air cooler etc., is widely used
One of heat exchanger, it is designed and manufacturing process is ripe, safe, is flue gas and steam heat recovery profit in heat transmission equipment
Crucial energy-saving equipment.Finned tube can be divided into from structure type spiral winding finned tube based on oblique wing fin and
Two big fundamental type of longitudinal wings finned tube based on longitudinal wings fin.
The manufacturing process of spiral winding finned tube is simply efficient, so its enhanced heat exchange application is more early, it is also relatively broad, take
Obtained obvious effect.Spiral winding fin of the prior art is typically only used in the occasion of fin water tube placing flat, if made
Used in the finned tube occasion that is disposed vertically up and down, the fin plane on base tube surface originally is basically perpendicular to just into close to horizontal plane
Direction, for this structure in longtime running, fin is spiral shape, radiating surface (another radiating surface of the inclination of fin upward
Tilt down) easily accumulate dust to form dirt, it is difficult to remove, thermal resistance is formed between medium and the outer flue gas of pipe in pipe, is influenceed
Heat exchange efficiency.
With the development of heat-exchanger rig technology, finned tube setting installation has floor space few and upstream and downstream equipment
The advantages such as connecting tube is short out, medium is smooth, energy loss is low, the occasion used is more and more, but people be satisfied with it is existing into
Fruit, is applied to spiral winding finned tube the heat transmission equipment for erectting installation finned tube, and the medium outside finned tube flows vertically
It is to be hindered by the fin plane perpendicular to base tube surface, pressure drop increase, and medium is difficult to go deep into fin bottom portion contact base
Pipe surface.For a long time, the improvement concern of the structure to longitudinal wings finned tube and its manufacturing process is inadequate, and also failing to obtain one kind can
To be fully solved the finned tube of above mentioned problem.
The fin of longitudinal wings finned tube is block in geometry piece, and wherein two maximum faces of area are referred to as main heat exchange face, area compared with
Small face is referred to as side.When longitudinal wings finned tube, which is erect, to be installed and used, the fin of existing longitudinal wings finned tube be it is vertical continuous,
When fluid flows through vertical continuous fin, stable laminar flow can be formed outside finned tube, fluid can cause quickly through finned tube
Exchange heat insufficient and then influence heat transfer effect, therefore, if do not innovated to fin structure to prevent original the problem of existing,
It frequently can lead to heat-exchanger rig and do not reach design effect.
The content of the invention
The purpose of the application is to avoid above-mentioned weak point of the prior art and fluid turbulence can be produced by providing one kind
Improve the longitudinal wings finned tube of the coefficient of heat transfer；A kind of heating furnace of good effect of heat exchange is also provided.
The purpose of the application is achieved through the following technical solutions：
Provide a kind of longitudinal wings finned tube, including vertically-mounted base tube and the fin for being arranged at the base tube outer wall, institute
It is vertical to state the main heat exchange face of fin, the fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers.
Wherein, the upper end of the fin and/or lower end tilt, the upper end and/or lower end of the fin and vertical direction
Angle is more than 0 degree and less than 45 degree.
Wherein, among each piece of fin, polylith fin is arranged on sustained height, on the cross section of base tube, this polylith wing
Piece is rendered as：Every piece of fin is in vertical bar shape；Per two pieces of adjacent fins, the circular arc between this two pieces of fins and the contact position of base tube
Central angle be referred to as a, central angle a<180 degree, the intersecting formed angle of extended line of this two pieces of fins toward base tube direction are referred to as b,
Then angle b<Central angle a.
Wherein, the main heat exchange face of the fin is provided with the cushion hole for eliminating thermal stress.
Wherein, the main heat exchange face of the fin is provided with the breach of dentation or wave-like.
Wherein, the width of the fin vertically gradually increases or gradually decreased.
Wherein, the cross section of the base tube is circular, ellipse or oblate.
Wherein, the cross section of the fin is rectangle, triangle, circle, ellipse, oblateness or annular.
A kind of heating furnace, the heating furnace have longitudinal wings finned tube, and the longitudinal wings finned tube is to appoint in claim 1 to 8
Longitudinal wings finned tube described in one.
The beneficial effect of the application：
A kind of longitudinal wings finned tube of the application, compared with prior art, using innovative fin structure, is breached simultaneously
This area conventional thought, the fin for having abandoned finned tube used the set-up mode of conventional shape in the past, using these technology hands
Fluid turbulence can be produced after section and improves the coefficient of heat transfer, so as to keep heat transfer effect effective steadily in the long term.
A kind of heating furnace of the application, using above-mentioned longitudinal wings finned tube, substitute spiral winding fin of the prior art
Pipe so that heat transfer effect gets a promotion, so as to keep heat transfer effect effective steadily in the long term.
Brief description of the drawings
The application is described further using accompanying drawing, but the embodiment in accompanying drawing does not form any limit to the application
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is a kind of front view of the first finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 2 is a kind of front view of second of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 3 is a kind of front view of the third finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 4 is a kind of front view of the 4th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 5 is a kind of front view of the 5th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 6 is a kind of top view of the 6th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 7 is a kind of top view of the 7th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 8 is a kind of front view of the 8th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Fig. 9 is a kind of front view of the 9th kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Figure 10 is a kind of front view of the tenth kind of finned tube of the embodiment of longitudinal wings finned tube of the application.
Include in Fig. 1 into Figure 10：
1- fins；101- fins；102- fins；103- fins；111- lower ends；112- upper ends；2- base tubes；201- fins；
601- fins；7- fins；701- fins；702- fins；801- fins；901- fins；11- fins.
Embodiment
The application is further described with the following Examples.
Embodiment 1
A kind of one of embodiment of longitudinal wings finned tube of the application, it is shown in Figure 1, include base tube 2 and
Several fins 1, wherein, the main heat exchange face system of fin 1 is vertically arranged, i.e. the main heat exchange face of fin 1 and horizontal plane, some
Outside wall surface of the individual fin 1 along base tube 2 is vertically spaced apart around setting, wherein, outer wall of the fin 1 by way of group weldering with base tube 2
Face closely connects.
Specifically, the in the vertical direction of fin 1 being arranged above and below staggers, see Fig. 1, two row fins 1 are depicted in Fig. 1,
Count from top to bottom, certain distance, the first row fin 1 as shown in Figure 1 and between the row fin 1 of the first row fin 1 and second be present
The in the vertical direction of two row fin 1 staggers, such as the fin 103 in the second row is directed at the fin 101 and fin 102 in the first row
Between gap location, i.e. fin 103 in the second row and the fin 101 in the first row, 102 in the vertical directions stagger fin
The distance between which place or the fin 101 being arranged above and below and fin 102 of the 103 above-mentioned gap locations of alignment size, is specifically regarded
Depending on operating condition and design.Under normal conditions, if the flowing velocity of fluid is relatively low, but need to by longer finned tube, with
All it is that continuous and length is longer toward the fin in longer finned tube, the longer fin of length not only easily accumulates dust,
And stable laminar flow can be formed when fluid is by longer and continuous fin, outside base tube 2, reduce heat transfer effect, and this reality
The upper and lower staggered fin 1 in example is applied, instead of continuous longer fin in the past, the fin 101 and fin being arranged above and below
Certain distance (the distance between the first row and the second row in Fig. 1) between 103 be present, carry out forming phantom, between fluid flows through
Runner direction can then be changed during tomography, fluid is produced turbulent flow, and action of turbulent flow makes the heat transfer effect between fluid and fin
It is more fully and effective, moreover, during the side of the second row fin 103 of the fluid in entrance Fig. 1, due to the first row fin
101 and second the fin 103 of row fin 102 and the second row be that in the vertical direction staggers, fluid flows into the second row fin 103
The change of runner can occur behind side, fluid is produced turbulent flow again, and action of turbulent flow makes the heat biography between fluid and fin 1
Pass effect more fully and effectively, make to be more beneficial for the heat exchange efficiency for improving finned tube.
Embodiment 2
The two of the embodiment of a kind of longitudinal wings finned tube of the application, referring to shown in Fig. 2 or Fig. 3, the present embodiment
Main technical schemes are same as Example 1, in the present embodiment unaccounted feature, using the explanation in embodiment 1, herein not
Repeated again.The present embodiment and the difference of embodiment 1 are：The upper end of fin 1 and/or lower end tilt, the upper end of fin 1
112 and/or the angle of lower end 111 and vertical direction be more than 0 degree and be less than 45 degree, specifically, see Fig. 2, the lower end of fin 1
111 can be integrally formed towards Fig. 2 Left-Tilts, specifically inclined implementation by mould, or carry out bending by bender,
See Fig. 3, the upper end 112 of fin 1 is towards tilting on the right of Fig. 3, and the lower end 111 of fin 1 is towards Fig. 3 Left-Tilts, wherein in figure 3
Its upper end 112 of fin 1 and 111 inclined direction of lower end are opposite, and certainly, incline direction can also be identical, moreover, fin 1
Upper end 112 and 111 inclined angle of lower end can be with identical, can also be different, specifically depending on working condition.This structure
Longitudinal wings finned tube in 111 inclined mode of the upper end 112 of fin 1 and lower end, its sloping portion handle by that will flow through outside base tube 2
The runner direction of fluid be changed, fluid is produced turbulent flow, and action of turbulent flow makes the heat transfer between fluid and fin 1
Effect is more fully and effective, so as to improve the coefficient of heat transfer, moreover, in the case where magnitude of inclination is more than 0 degree less than 45 degree, ash
Dirt is washed away by the turbulent flow of fluid, will not form the accumulation of flue gas ashes or dirt in air so that antiscaling effect is good so as to keeping changing
Thermal effect is effective steadily in the long term, and the frequent shutdown because removing heat exchanger dust can be reduced or avoided and purge fin ashes
Operation and Maintenance.Wherein, Fig. 2 or Fig. 3 is to tilt to realize that fluid produces turbulent flow by the upper end 112 of fin 1 and lower end 111, certainly,
Also can go to allow fluid to produce turbulent flow (as shown in Fig. 4 or Fig. 5) by the arrangement mode of the body of fin 1.
Embodiment 3
The three of the embodiment of a kind of longitudinal wings finned tube of the application, longitudinal wings finned tube shown in Figure 6 is transversal
Face figure, the main technical schemes of the present embodiment are same as Example 1, in the present embodiment unaccounted feature, using embodiment 1
In explanation, no longer repeated herein.The present embodiment and the difference of embodiment 1 are：See Fig. 6, the cross section of fin 601
For triangle, certainly, the cross section of fin 601 is alternatively rectangle, circle, ellipse, oblateness or annular.Ordinary circumstance is come
Say, the medium that the structure is more suitable for outside finned tube is not to come in vertically, i.e., the outlet of body of heater or heat exchanger shell with it is vertical
Base tube 2 be to be vertically arranged, the medium of flowing flows out from above-mentioned outlet, and from finned tube entrance side (radial direction of base tube 2) flow
Situation about entering, see Fig. 6, now fin 601 meets the medium flowed to above from Fig. 6 lower section toward Fig. 6, the fin of the present embodiment
The radial direction of the fin 601 and base tube 2 of pipe has angle, and the flow direction for being more beneficial for the medium with being flowed into from side coordinates, reduction pair
The stop of air-flow, wherein the medium flowed into can contact the outer surface of base tube 2 and the main heat exchange face of fin 601 in relatively large area, make stream
Body produces turbulent flow so as to improve the coefficient of heat transfer, can obtain more more preferable fluid structure interactions.
Embodiment 4
The four of the embodiment of a kind of longitudinal wings finned tube of the application, longitudinal wings finned tube shown in Figure 7 is transversal
Face figure, the main technical schemes of the present embodiment are same as Example 1, in the present embodiment unaccounted feature, using embodiment 1
In explanation, no longer repeated herein.The present embodiment and the difference of embodiment 1 are：Among each piece of fin, there is polylith fin
7 are arranged on sustained height, and see Fig. 7, on the cross section of base tube 2, this polylith fin 7 is rendered as：Every piece of fin 7 is in vertical bar
Shape；The central angle a=30 degree of circular arc between adjacent two pieces of fins 701,702 and the contact position of base tube 2, can from Fig. 7
Go out, the end of fin 702 is drawn close toward this side of fin 701 so that extended line phase of this two pieces of fin 701,702 toward the direction of base tube 2
Angle b=20 degree formed by friendship<Central angle a, the size of the central angle a corresponding to other two pieces of adjacent fins 7 also can be with wing
Central angle a size is identical or different formed by piece 701,702, the size of the angle b corresponding to other two pieces of adjacent fins 7
Also can be identical or different with the size of angle b formed by fin 701,702, specifically, uniform in the outer wall sustained height of base tube 2
Fin 7, such as Fig. 7 counter clockwise direction, the extended line of fin 7 gradually increases to the vertical range at the center of base tube 2.This fin 7
Can be with the flowing of guide properly air-flow, for ordinary circumstance, the medium that the structure is more suitable for outside finned tube is not to enter vertically
Coming, i.e. the outlet of body of heater or heat exchanger shell is to intersect setting with vertical base tube 2, and the medium of flowing flows out from above-mentioned outlet,
And situation about being flowed into from finned tube entrance side (radial direction of base tube 2), see Fig. 7, now fin 7 is met past to the lower section from Fig. 7
The medium of flowing above Fig. 7, the fin 7 of the finned tube of the present embodiment have angle (Fig. 7 lower section) with the radial direction of base tube 2,
The flow direction for being more beneficial for the medium with being flowed into from side coordinates, and reduces the stop to air-flow, wherein the medium flowed into can larger face
The outer surface of base tube 2 and the main heat exchange face of fin 7 are contacted long-pendingly, fluid is produced turbulent flow so as to improve the coefficient of heat transfer, can be obtained more
More more preferable fluid structure interaction.
Embodiment 5
The five of the embodiment of a kind of longitudinal wings finned tube of the application, shown in Figure 8, the main skill of the present embodiment
Art scheme is same as Example 1, in the present embodiment unaccounted feature, using the explanation in embodiment 1, no longer carries out herein
Repeat.The present embodiment and the difference of embodiment 1 are：The belly of the belly of fin 801 is provided with the buffering for eliminating thermal stress
Hole, see Fig. 8.For the fin material that sensitiveness of expanding with heat and contract with cold is larger, welding or operating thermal stress may cause fin
Irregular deformation is even ftractureed, and the belly perforate of fin 801 falls within secondary structure, certain release can be both played to thermal stress
The effect of putting, while can also cause the turbulent flow of stronger row, antiscaling effect is more preferable.
Embodiment 6
The six of the embodiment of a kind of longitudinal wings finned tube of the application, shown in Figure 9, the main skill of the present embodiment
Art scheme is same as Example 1, in the present embodiment unaccounted feature, using the explanation in embodiment 1, no longer carries out herein
Repeat.The present embodiment and the difference of embodiment 1 are：The height of fin 901 vertically gradually increases or gradually decreased.Tool
Body, see Fig. 9, height to the height of the right-hand member of fin 901 of the left end of fin 1 gradually increases, in close structure and gas
The occasion that stream thermal expansion changes greatly, the fin of Volume Changes can adjust the circulation area of runner to a certain extent, to flow velocity
Effective but limited influence is produced with heat transfer effect.
Embodiment 7
The seven of the embodiment of a kind of longitudinal wings finned tube of the application, it is shown in Figure 10, the present embodiment it is main
Technical scheme is same as Example 1, in the present embodiment unaccounted feature, using the explanation in embodiment 1, no longer enters herein
Row repeats.The present embodiment and the difference of embodiment 1 are：Fin 11 is provided with the breach of dentation or wave-like, it is of course also possible to
For the breach of other rule, specifically, see Figure 10, the top of fin 11 is tooth form.For the wing that the spacing of fin 11 is larger
Piece pipe, the change of fin top are properly termed as secondary structure, and further reinforcing is played to the heat transfer effect of a fin structure
Effect, the heat exchange occasion applied to requirements at the higher level.But the secondary structure of manufacture fin and adding for group weldering secondary structure fin
Work cost increases.
Embodiment 8
The eight of the embodiment of a kind of longitudinal wings finned tube of the application, it is shown in Figure 10, the present embodiment it is main
Technical scheme is same as Example 1, in the present embodiment unaccounted feature, using the explanation in embodiment 1, no longer enters herein
Row repeats.The present embodiment and the difference of embodiment 1 are：The cross section of the base tube 2 is arranged to Long Circle, oblateness and olive
One of which in shape.In addition, base tube 2 may be arranged as warp architecture.
It should be noted that the finned tube of any of the above-described embodiment is all applied to (be not drawn into figure) among heating furnace,
The heating furnace of the structure substitutes the heating furnace of the prior art with spiral fin coil so that heat exchange efficiency improves, so as to protect
Hold that heat transfer effect is effective steadily in the long term, frequent shutdown and purging fin ash because removing heat exchanger dust can be reduced or avoided
The Operation and Maintenance of cinder.
Finally it should be noted that above example is only to illustrate the technical scheme of the application, rather than the application is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the application, one of ordinary skill in the art should
Work as understanding, the technical scheme of the application can be modified or equivalent substitution, without departing from the reality of technical scheme
Matter and scope.
Claims (7)
1. a kind of longitudinal wings finned tube, including vertically-mounted base tube and the fin for being arranged at the base tube outer wall, the fin
Main heat exchange face is vertical, and the fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers；Among each piece of fin,
There is polylith fin to be arranged on sustained height, on the cross section of base tube, this polylith fin is rendered as：Every piece of fin is in vertical bar shape；
It is characterized in that：Per two pieces of adjacent fins, the central angle of the circular arc between this two pieces of fins and the contact position of base tube is referred to as a,
Central angle a<180 degree, the intersecting formed angle of extended line of this two pieces of fins toward base tube direction are referred to as b, then angle b<Central angle
a；Angle b's is of different sizes formed by every group of adjacent fin.
A kind of 2. longitudinal wings finned tube according to claim 1, it is characterised in that：The main heat exchange face of the fin, which is provided with, to be used for
Eliminate the cushion hole of thermal stress.
A kind of 3. longitudinal wings finned tube according to claim 1, it is characterised in that：The main heat exchange face of the fin is provided with dentation
Or the breach of wave-like.
A kind of 4. longitudinal wings finned tube according to claim 1, it is characterised in that：The width of the fin vertically by
It is cumulative big or gradually decrease.
A kind of 5. longitudinal wings finned tube according to claim 1, it is characterised in that：The cross section of the base tube is circular, ellipse
It is circular or oblate.
A kind of 6. longitudinal wings finned tube according to claim 1, it is characterised in that：The cross section of the fin is rectangle, three
It is angular, circular, oval, oblate or annular.
A kind of 7. heating furnace, it is characterised in that：The heating furnace has longitudinal wings finned tube, and the longitudinal wings finned tube is claim
Longitudinal wings finned tube any one of 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467828.7A CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610467828.7A CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
Publications (2)
| Publication Number | Publication Date |
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| CN105973053A CN105973053A (en) | 2016-09-28 |
| CN105973053B true CN105973053B (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610467828.7A Active CN105973053B (en) | 2016-06-24 | 2016-06-24 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827042B (en) * | 2018-05-10 | 2020-04-07 | 中国石油大学(北京) | Finned tube fluidized bed heat collector |
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|---|---|---|---|---|
| DE724762C (en) * | 1940-02-20 | 1942-09-05 | Linde Eismasch Ag | Radiator with ribs |
| US3330336A (en) * | 1964-03-24 | 1967-07-11 | Gobel Gerhard | Heat exchanger tubes with longitudinal ribs |
| CN201262529Y (en) * | 2008-09-04 | 2009-06-24 | 山东北辰集团有限公司 | Longitudinally welded fin heat exchange tube |
| CN103939979A (en) * | 2014-04-14 | 2014-07-23 | 中北大学 | Heat radiator and combined heat and power generation system including same |
| CN104406443A (en) * | 2014-11-24 | 2015-03-11 | 无锡鸿声铝业有限公司 | Aluminum finned tube |
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN205957778U (en) * | 2016-06-24 | 2017-02-15 | 茂名重力石化机械制造有限公司 | Indulge wing finned tube and have heating furnace of this finned tube |
-
2016
- 2016-06-24 CN CN201610467828.7A patent/CN105973053B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE724762C (en) * | 1940-02-20 | 1942-09-05 | Linde Eismasch Ag | Radiator with ribs |
| US3330336A (en) * | 1964-03-24 | 1967-07-11 | Gobel Gerhard | Heat exchanger tubes with longitudinal ribs |
| CN201262529Y (en) * | 2008-09-04 | 2009-06-24 | 山东北辰集团有限公司 | Longitudinally welded fin heat exchange tube |
| CN103939979A (en) * | 2014-04-14 | 2014-07-23 | 中北大学 | Heat radiator and combined heat and power generation system including same |
| CN104406443A (en) * | 2014-11-24 | 2015-03-11 | 无锡鸿声铝业有限公司 | Aluminum finned tube |
| CN104864759A (en) * | 2015-05-29 | 2015-08-26 | 西安交通大学 | Plate-fin heat exchange component and welding device thereof |
| CN205957778U (en) * | 2016-06-24 | 2017-02-15 | 茂名重力石化机械制造有限公司 | Indulge wing finned tube and have heating furnace of this finned tube |
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| Publication number | Publication date |
|---|---|
| CN105973053A (en) | 2016-09-28 |
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