CN205957778U - Indulge wing finned tube and have heating furnace of this finned tube - Google Patents
Indulge wing finned tube and have heating furnace of this finned tube Download PDFInfo
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- CN205957778U CN205957778U CN201620636080.4U CN201620636080U CN205957778U CN 205957778 U CN205957778 U CN 205957778U CN 201620636080 U CN201620636080 U CN 201620636080U CN 205957778 U CN205957778 U CN 205957778U
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Abstract
The utility model relates to an indirect heating equipment technical field in the trades such as petrochemical, the electric power energy, steel smelting, air conditioner especially relates to one kind and indulges the wing finned tube, including the parent tube of vertical installation with set up in the fin of parent tube outer wall, the main heat -transfer surface of fin is vertical, the fin has the polylith, and the polylith fin is arranged from top to bottom and is staggered in vertical direction, compares with prior art, adopts innovative fin structure, has broken through the conventional thinking in this area simultaneously, and the fin of having abandoned the finned tube all adopted the mode that sets up of conventional shape in the past, can produce the fluid turbulent flow after applied these technological means and improve heat exchange coefficient to keep the heat transfer effect steady in a long -term effective, this application still provides a 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 vertical wing finned tube and the heating furnace with this finned tube.
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, its design and manufacturing process are ripe, safe, are flue gas and steam heat recovery profit in heat transmission equipment
Crucial energy-saving equipment.From structure type can finned tube be divided into spiral winding finned tube based on oblique wing fin and
The big fundamental type of vertical wing finned tube two based on vertical wing fin.
The manufacturing process of spiral winding finned tube is simply efficient, so the application of its enhanced heat exchange is relatively early, also relatively broad, takes
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
The occasion being disposed vertically up and down used in finned tube, the fin plane being originally basically perpendicular to base tube surface has just become close to horizontal plane
Direction, in longtime running, fin is spirality to this structure, the inclination of fin radiating surface (another radiating surface upward
Tilt down) easily accumulate dust formation dirt, is difficult to remove, and forms thermal resistance, impact in pipe between medium and the outer flue gas of pipe
Heat exchange efficiency.
With the development of heat-exchanger rig technology, finned tube is erect installation and is had that floor space is few and upstream and downstream equipment
Connecting tube is short out, medium is smooth, the low advantage of energy loss, and the occasion of use gets more and more, but people are satisfied with
Really, spiral winding finned tube is applied to erect the heat transmission equipment installing finned tube, the medium outside finned tube flows vertically
It is affected by the obstruction of the fin plane perpendicular to base tube surface, pressure drop increases, and medium is difficult to go deep into fin bottom portion contact base
Pipe surface.For a long time, not, also failing to obtain one kind can for the improvement concern of the structure to vertical wing finned tube and its manufacturing process
To be fully solved the finned tube of the problems referred to above.
The fin of vertical wing finned tube is in that geometry piece is block, and wherein two maximum faces of area are referred to as main heat exchange face, and area is relatively
Little face is referred to as side.When vertical wing finned tube is erect and installed and used, the fin of existing vertical wing finned tube is vertically continuous,
When fluid flows through vertically continuous fin, stable laminar flow can be formed outside finned tube, fluid can lead to quickly through finned tube
Heat exchange is insufficient and then affects heat transfer effect, therefore, if not innovated to prevent the problem of original presence to fin structure,
Frequently can lead to heat-exchanger rig and do not reach design effect.
Utility model content
The purpose of the application is to avoid above-mentioned weak point of the prior art and provides one kind can produce fluid turbulence
Improve the vertical wing 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 vertical wing finned tube, including vertically-mounted base tube and the fin being arranged at described base tube outer wall, institute
State the main heat exchange face of fin vertically, described fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers.
Wherein, the upper end of described fin and/or lower end inclination, the upper end of described fin and/or lower end and vertical direction
Angle is more than 0 degree and is less than 45 degree.
Wherein, in the middle of each piece of fin, polylith fin is had to be 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；Two pieces of often adjacent fins, this two pieces of circular arcs between fin and the contact position of base tube
Central angle be referred to as a, central angle a<180 degree, this two pieces of fins are referred to as b toward the intersecting formed angle of extended line in base tube direction,
Then angle b<Central angle a.
Wherein, the main heat exchange face of described fin has the cushion hole for eliminating thermal stress.
Wherein, the main heat exchange face of described fin has the breach of dentation or wave-like.
Wherein, the width of described fin is vertically gradually increased or gradually decreases.
Wherein, the cross section of described base tube is circular, oval or oblate.
Wherein, the cross section of described fin is rectangle, triangle, circle, ellipse, oblate or annular.
A kind of heating furnace, described heating furnace has vertical wing finned tube, and described vertical wing finned tube is to appoint in claim 1 to 8
Vertical wing finned tube described in one.
The beneficial effect of the application：
A kind of vertical wing finned tube of the application, compared with prior art, using innovative fin structure, breaches simultaneously
This area conventional thought, the fin having abandoned finned tube, in the past all using the set-up mode of conventional shape, applies these technology hands
Fluid turbulence can be produced after section and improve the coefficient of heat transfer, thus keeping heat transfer effect effective steadily in the long term.
A kind of heating furnace of the application, using above-mentioned vertical wing finned tube, replaces spiral winding fin of the prior art
Manage so that heat transfer effect gets a promotion, thus keeping heat transfer effect effective steadily in the long term.
Brief description
Using accompanying drawing, the application is described further, but the embodiment in accompanying drawing does not constitute any limit to the application
System, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to the following drawings
Other accompanying drawings.
Fig. 1 is the front view of the first finned tube of embodiment of a kind of vertical wing finned tube of the application.
Fig. 2 is the front view of the second finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 3 is the front view of the third finned tube of embodiment of a kind of vertical wing finned tube of the application.
Fig. 4 is the front view of the 4th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 5 is the front view of the 5th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 6 is the top view of the 6th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 7 is the top view of the 7th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 8 is the front view of the 8th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 9 is the front view of the 9th kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Figure 10 is the front view of the tenth kind of finned tube of the embodiment of a kind of vertical wing finned tube of the application.
Fig. 1 to Figure 10 includes：
1- fin；101- fin；102- fin；103- fin；111- lower end；112- upper end；2- base tube；201- fin；
601- fin；7- fin；701- fin；702- fin；801- fin；901- fin；11- fin.
Specific embodiment
With the following Examples the application is further described.
Embodiment 1
One of specific embodiment of a kind of vertical wing finned tube of the application, 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, and that is, the main heat exchange face of fin 1 and horizontal plane, some
Individual fin 1 is along the outside wall surface cincture vertically spaced apart setting of base tube 2, wherein, fin 1 outer wall with base tube 2 by way of group is welded
Face closely connects.
Specifically, fin 1 in the vertical direction being arranged above and below staggers, and asks for an interview Fig. 1, depicts two row fins 1 in Fig. 1,
Count from top to bottom, between the first row fin 1 and the second row fin 1, there is certain distance, the first row fin 1 as shown in Figure 1 and
Two row fin 1 in the vertical direction staggers, such as the fin 103 in the second row is directed at fin 101 and fin 102 in the first row
Between gap location, that is, the fin 101 in the fin 103 in the second row and the first row, 102 in the vertical directions stagger fin
Which place or the fin 101 that is arranged above and below and the distance between fin 102 size of the 103 above-mentioned gap locations of be aligned, specifically regards
Depending on operating condition and design.Under normal conditions, if the flowing velocity of fluid is relatively low, but longer finned tube need to be passed through, with
It is all continuous toward the fin in longer finned tube and length is longer, the longer fin of length not only easily piles up dust,
And when fluid passes through longer and continuous fin, stable laminar flow outside base tube 2, can be formed, reduce heat transfer effect, and this reality
Apply the fin 1 staggered up and down in example, instead of in the past continuously longer fin, the fin 101 being arranged above and below and fin
There is certain distance (the distance between the first row and the second row in Fig. 1) between 103, carry out forming phantom, between fluid flows through
Then runner direction can be changed during tomography, make fluid produce turbulent flow, and action of turbulent flow makes the heat transfer effect between fluid and fin
More fully and effective, and, during the second row fin 103 side in entering Fig. 1 for the fluid, 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 after side, make fluid produce turbulent flow again, and action of turbulent flow makes the heat biography between fluid and fin 1
Pass effect more abundant and effective, make to be more beneficial for the heat exchange efficiency of raising finned tube.
Embodiment 2
The two of the specific embodiment of a kind of vertical wing 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, and using the explanation in embodiment 1, here is not
Repeated again.The present embodiment is with the difference of embodiment 1：The upper end of fin 1 and/or lower end tilt, the upper end of fin 1
112 and/or lower end 111 be more than 0 degree and less than 45 degree with the angle of vertical direction, specifically, ask for an interview Fig. 2, the lower end of fin 1
111 towards Fig. 2 Left-Tilt, and the implementation of concrete inclination can be integrally formed by mould, or carries out bending by bender,
Ask for an interview Fig. 3, the upper end 112 of fin 1 tilts towards on the right of Fig. 3, the lower end 111 of fin 1 towards Fig. 3 Left-Tilt, wherein in figure 3
The direction of its upper end 112 of fin 1 and lower end 111 inclination is contrary, and certainly, incline direction can also be identical, and, fin 1
Upper end 112 and the angle that lower end 111 tilts can identical it is also possible to different, concrete depending on working condition.This structure
By way of tilting in the upper end 112 of fin 1 and lower end 111, its sloping portion handle will flow through outside base tube 2 vertical wing finned tube
Being changed of the runner direction of fluid, make fluid produce turbulent flow, and action of turbulent flow make the heat transfer between fluid and fin 1
Effect is more fully and effective, thus improving the coefficient of heat transfer, and, in the case that magnitude of inclination is less than 45 degree more than 0 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 thus holding is changed
Thermal effect is effective steadily in the long term, frequent shutdown because remove heat exchanger dust can be reduced or avoided and purge fin ashes
Operation and Maintenance.Wherein, Fig. 2 or Fig. 3 is upper end 112 by fin 1 and lower end 111 tilts to realize fluid and produces turbulent flow, certainly,
Also can go to allow fluid produce turbulent flow by the arrangement mode (as shown in Fig. 4 or Fig. 5) of fin 1 body.
Embodiment 3
The three of the specific embodiment of a kind of vertical wing finned tube of the application, vertical wing 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, here no longer repeated.The present embodiment is with the difference of embodiment 1：Ask for an interview Fig. 6, the cross section of fin 601
For triangle, certainly, the cross section of fin 601 is alternatively rectangle, circle, ellipse, oblate or annular.Ordinary circumstance is come
Say, the medium that this structure is more suitable for outside finned tube is not to come in vertically, that is, the outlet of body of heater or heat exchanger shell with vertically
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) stream
Situation about entering, asks for an interview Fig. 6, and now fin 601 meets the medium of the flowing to above from the lower section of Fig. 6 toward Fig. 6, the fin of the present embodiment
The fin 601 of pipe and the radial direction of base tube 2 have angle, and are more beneficial for the flow direction cooperation with the medium flowing to from side, it is right to reduce
The medium of the stop of air-flow, wherein inflow can contact the main heat exchange face of base tube 2 outer surface and fin 601 in relatively large area, makes stream
Body produces turbulent flow thus improving the coefficient of heat transfer, can obtain more more preferable fluid structure interaction.
Embodiment 4
The four of the specific embodiment of a kind of vertical wing finned tube of the application, vertical wing 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
Explanation in 1, here is no longer repeated.The present embodiment is with the difference of embodiment 1：In the middle of each piece of fin, there is polylith wing
Piece 7 is arranged on sustained height, asks for an interview Fig. 7, and 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 the 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 draw close toward fin 701 this side so that this two pieces of fin 701,702 toward base tube 2 direction extended line phase
Angle b=20 degree formed by friendship<The size of central angle a, other adjacent central angle a corresponding to two pieces of fins 7 also can be with wing
Formed by piece 701,702, the size of central angle a is identical or different, the size of other adjacent angle b corresponding to two pieces of fins 7
Also can be identical or different with the size of angle b formed by fin 701,702, specifically, uniform in base tube 2 outer wall sustained height
Fin 7, the such as counter clockwise direction of Fig. 7, the vertical range at extended line to base tube 2 center of fin 7 is gradually increased.This fin 7
Can be with the flowing of guide properly air-flow, for ordinary circumstance, the medium that this structure is more suitable for outside finned tube is not to enter vertically
Come, that is, 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 flowing to from finned tube entrance side (radial direction of base tube 2), ask for an interview Fig. 7, now fin 7 meet past to the lower section from Fig. 7
The medium of flowing above Fig. 7, the radial direction with base tube 2 of the fin 7 of the finned tube of the present embodiment has angle (lower section of Fig. 7),
It is more beneficial for the flow direction cooperation with the medium flowing to from side, reduce the stop to air-flow, the medium of wherein inflow can larger face
Contact the main heat exchange face of base tube 2 outer surface and fin 7 long-pendingly, making fluid produce turbulent flow thus improving the coefficient of heat transfer, can obtain more
How preferably fluid structure interaction.
Embodiment 5
The five of the specific embodiment of a kind of vertical wing 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, and using the explanation in embodiment 1, here is no longer carried out
Repeat.The present embodiment is with the difference of embodiment 1：The belly of the belly of fin 801 has the buffering for eliminating thermal stress
Hole, asks for an interview 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, both thermal stress can have been played with certain releasing
Put effect, also can cause the turbulent flow of higher row simultaneously, antiscaling effect is more preferable.
Embodiment 6
The six of the specific embodiment of a kind of vertical wing 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, and using the explanation in embodiment 1, here is no longer carried out
Repeat.The present embodiment is with the difference of embodiment 1：The height of fin 901 is vertically gradually increased or gradually decreases.Tool
Body, ask for an interview Fig. 9, the height of the height of fin 1 left end to fin 901 right-hand member is gradually increased, 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
But produce effective limited impact with heat transfer effect.
Embodiment 7
The seven of the specific embodiment of a kind of vertical wing finned tube of the application, shown in Figure 10, the present embodiment main
Technical scheme is same as Example 1, in the present embodiment unaccounted feature, and using the explanation in embodiment 1, here is no longer entered
Row repeats.The present embodiment is with the difference of embodiment 1：Fin 11 has the breach of dentation or wave-like, it is of course also possible to
For the breach of other rules, specifically, ask for an interview Figure 10, the top of fin 11 is profile of tooth.For the wing that fin 11 spacing is larger
Piece pipe, the change of fin top is properly termed as secondary structure, plays further strengthening to the heat transfer effect of a fin structure
Effect, is applied to the heat exchange occasion of requirements at the higher level.But manufacture the secondary structure of fin and adding of group weldering secondary structure fin
Work cost increases.
Embodiment 8
The eight of the specific embodiment of a kind of vertical wing finned tube of the application, shown in Figure 10, the present embodiment main
Technical scheme is same as Example 1, in the present embodiment unaccounted feature, and using the explanation in embodiment 1, here is no longer entered
Row repeats.The present embodiment is with the difference of embodiment 1：The cross section of described base tube 2 is set to Long Circle, oblate 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 (in figure is not drawn into) among heating furnace,
The heating furnace of this structure replaces the heating furnace with spiral fin coil of the prior art so that heat exchange efficiency improves, thus protecting
Hold heat transfer effect steadily in the long term effectively, frequent shutdown because remove heat exchanger dust and purging fin ash can be reduced or avoided
The Operation and Maintenance of cinder.
Finally it should be noted that above example is only in order to illustrating the technical scheme of the application, rather than the application is protected
The restriction of shield scope, although having made to explain to the application with reference to preferred embodiment, those of ordinary skill in the art should
Work as understanding, the technical scheme of the application can be modified or equivalent, without deviating from the reality of technical scheme
Matter and scope.
Claims (9)
1. a kind of vertical wing finned tube, including vertically-mounted base tube and the fin being arranged at described base tube outer wall, described fin
Main heat exchange face vertically it is characterised in that：Described fin has polylith, and polylith fin is arranged above and below and in the vertical direction staggers.
2. a kind of vertical wing finned tube according to claim 1 it is characterised in that：Incline in the upper end of described fin and/or lower end
Tiltedly, the upper end of described fin and/or lower end are more than 0 degree and are less than 45 degree with the angle of vertical direction.
3. a kind of vertical wing finned tube according to claim 1 it is characterised in that：In the middle of each piece of fin, polylith fin is had to set
Put in sustained height, on the cross section of base tube, this polylith fin is rendered as：Every piece of fin is in vertical bar shape；Often adjacent two pieces
Fin, the central angle of this two pieces of circular arcs between fin and the contact position of base tube is referred to as a, central angle a<180 degree, this two pieces of fins
The intersecting formed angle of extended line toward base tube direction is referred to as b, then angle b<Central angle a.
4. a kind of vertical wing finned tube according to claim 1 it is characterised in that：The main heat exchange face of described fin have for
Eliminate the cushion hole of thermal stress.
5. a kind of vertical wing finned tube according to claim 1 it is characterised in that：The main heat exchange face of described fin has dentation
Or the breach of wave-like.
6. a kind of vertical wing finned tube according to claim 1 it is characterised in that：The width of described fin vertically by
Cumulative big or gradually decrease.
7. a kind of vertical wing finned tube according to claim 1 it is characterised in that：The cross section of described base tube is circular, ellipse
Circular or oblate.
8. a kind of vertical wing finned tube according to claim 1 it is characterised in that：The cross section of described fin be rectangle, three
Angular, circular, oval, oblate or annular.
9. a kind of heating furnace it is characterised in that：Described heating furnace has vertical wing finned tube, and described vertical wing finned tube is claim
Vertical wing finned tube any one of 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636080.4U CN205957778U (en) | 2016-06-24 | 2016-06-24 | Indulge wing finned tube and have heating furnace of this finned tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636080.4U CN205957778U (en) | 2016-06-24 | 2016-06-24 | Indulge wing finned tube and have heating furnace of this finned tube |
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| Publication Number | Publication Date |
|---|---|
| CN205957778U true CN205957778U (en) | 2017-02-15 |
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ID=57968524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636080.4U Active CN205957778U (en) | 2016-06-24 | 2016-06-24 | Indulge wing finned tube and have heating furnace of this finned tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN205957778U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973053A (en) * | 2016-06-24 | 2016-09-28 | 茂名重力石化机械制造有限公司 | Longitudinal fin finned tube and heating furnace with finned tube |
-
2016
- 2016-06-24 CN CN201620636080.4U patent/CN205957778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973053A (en) * | 2016-06-24 | 2016-09-28 | 茂名重力石化机械制造有限公司 | Longitudinal fin finned tube and heating furnace with finned tube |
| CN105973053B (en) * | 2016-06-24 | 2018-03-30 | 茂名重力石化装备股份公司 | A kind of longitudinal wings finned tube and the heating furnace with the finned tube |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |