CN206488679U - A kind of pin wing fin tube structure of axial clamp plate type - Google Patents
A kind of pin wing fin tube structure of axial clamp plate type Download PDFInfo
- Publication number
- CN206488679U CN206488679U CN201621446886.3U CN201621446886U CN206488679U CN 206488679 U CN206488679 U CN 206488679U CN 201621446886 U CN201621446886 U CN 201621446886U CN 206488679 U CN206488679 U CN 206488679U
- Authority
- CN
- China
- Prior art keywords
- pin
- group
- clamp
- tube
- fin tube
- 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.)
- Active
Links
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A kind of pin wing fin tube structure of axial clamp plate type, including base tube, pin-fin tube group and clamp group；The pin-fin tube group is constituted by left and right two groups, and every group regularly arranged according to certain pitch, along the axially in parallel arrangement of base tube outer wall；The clamp group is made up of left and right two groups of identicals rectangle clamp；The pin-fin tube group, by hole, is connected with clamp group in the way of cutting ferrule or welding；Pin wing finned tube in the utility model can effectively eliminate dust stratification sintering, hence it is evident that reduce the flowing stagnation region of finned tube leeward side, greatly reduce fin side and the base tube dust stratification of flowing stagnation areas；The heat-transfer effect of pin wing finned tube in operation is effectively improved simultaneously；The clamp with holes of the utility model can be obtained by punch forming, it is easy to accomplish automated production.
Description
Technical field
The utility model is related to a kind of pin wing finned tube, the pin wing finned tube knot of more particularly to a kind of axial clamp plate type
Structure, its various types of heat exchange for being applied to the industries such as power, oil, chemical industry, refrigeration, metallurgy and firing equipment.
Background technology
With the sustained and rapid development of China's economy, energy supply anxiety problem becomes increasingly conspicuous, and energy-conservation, emission reduction, consumption reduction are
Inevitable requirement as China's economy and social development.Heat exchanger as power, oil, chemical industry, refrigeration, metallurgy or even aviation/
The important component of the industrial process such as rocket, its safe and highly efficient operation is significant.In various heat transmission equipments, pass through wing
Piece increase heat exchange area is common augmentation of heat transfer mode.
Pin wing finned tube exchanger is one kind of shell and tube exchanger, and Needle fin tube is a kind of discontinuous finned tube, and it is
Burn-on a series of small columns, gained the name because of the cylinder such as needle-like that base tube surface is welded on base tube surface.Study and put into practice table
Bright, pin wing finned tube can dramatically increase heat exchange area, increase flue gas flow area, and reduction cigarette speed reduces dust stratification and abrasion.
Although but it has good anti-dust stratification ability and abrasionproof performance, under containing grey air-flow, due to the viscous effect of fluid in itself
With the presence of adverse pressure gradient, flowing is necessarily separated, and in finned tube leeward side formation vortex stagnation region, so that containing grey gas
Ash particle in stream is constantly accumulated in leeward side, causes local a large amount of dust stratifications, has a strong impact on finned tube heat transfer efficiency and heat exchanger
Safe and highly efficient operation.Pass through the structural analysis to pin wing finned tube, it has been found that passing through pin wing fin containing grey air-flow
Guan Shi, the local space between every group of relative pin fin is almost disturbed without gas, and the gas flowing of the local space is approximate
In plane flowing, ash particle is difficult to flow between different fins, has been further exacerbated by the formation of dust stratification.Therefore, by the way that take must
The structure optimization wanted, reduces vortex stagnation region area to reduce dust stratification, is a kind of effective method.
The content of the invention
In order to solve the above problems, the purpose of this utility model is the pin wing finned tube for providing a kind of axial clamp plate type
Structure, installs clamp additional by overall, reduces flow separation, reduces vortex stagnation region area, so as to mitigate the pin wing finned tube back of the body
Wind side dust stratification, improves the running situation of heat exchanger.
The utility model to achieve the above object, the technical scheme used for：
A kind of pin wing fin tube structure of axial clamp plate type, including base tube 1, pin-fin tube group 3 and clamp group 4；The pin
Nail pipe group 3 is constituted by left and right two groups, and every group arranges including multiple row according to preset pitch, along the axially in parallel arrangement of the outer wall of base tube 1
Pin wing finned tube；The clamp group 4 is made up of left and right two groups of identicals rectangle clamp, positioned at the leeward side of pin-fin tube group 3；
The pin-fin tube group 3, by hole 2, is connected with clamp group 4 in the way of cutting ferrule or welding.
Described base tube 1 is any one in pipe, elliptical tube and oval pipe.
The clamp group 4 is according to the pitch of pin-fin tube group 3 on base tube 1 to be provided with hole 2 at its edge along its length, or
Its in the width direction in the middle of according to pin-fin tube group 3 on base tube 1 pitch perforate 2, one-shot forming is realized in hole 2 by punching press；
The hole 2 being provided with one side edge of clamp group 4 along its length according to the pitch of pin-fin tube group 3 on base tube 1 is shaped as agreeing with pin
The semicircle or half H-shaped of the shape of pipe group 3 are followed closely, is provided with the both sides edge of clamp group 4 according to the pitch of pin-fin tube group 3 on base tube 1
Hole 2 be shaped as agreeing with the semicircle of the shape of pin-fin tube group 3, clamp group 4 in the width direction in the middle of according to pin on base tube 1
The hole 2 that the pitch of pipe group 3 is provided with is shaped as agreeing with the circle of the shape of pin-fin tube group 3；Opened if clamp group 4 is above middle in the width direction
Hole 2, its unilateral edge is provided with semi-circular recesses or not slotted.
The type of attachment of the clamp group 4 and pin-fin tube group 3 is fastened in along base tube for the clamp of two one side edge perforate 2
On same row's pin wing finned tube of 1 axial direction；Or the clamp of both sides edge perforate 2 is stuck in two rows along the axial direction of base tube 1
Between pin wing finned tube；Or the clamp of central aperture 2 is directly fastened in same row's pin wing finned tube along the axial direction of base tube 1
On.
If the clamp of both sides edge perforate 2 is stuck in along between two row's pin-fin tubes of the axial direction of base tube 1, flowed with flue gas
Direction is positive apparent direction, and institute's card position is between the second from the bottom of pin-fin tube group 3, three pin wing finned tubes, or in pin-fin tube
Between 3 last of group, two pin wing finned tubes, as long as that is, 4 card positions of clamp group are no more than base tube 1 and direction of flow
Vertical Central Symmetry position.
The area of perforate 2 is more than pin wing fin tube section, and both coordinate for gap；For the clamp group 4, with institute
The straight line parallel with the axial line of base tube 1 is as clamp reference direction at cutting ferrule pin-fin tube group 3, and its incline direction is with gas come the side of stream
To the angle of attack be 10 °~80 °.
Left and right two groups of the clamp group 4 are one or more sides for being arranged in flue gas outflow, according to each group of clamp
Number, form double card plate pin wing finned tube and many clamp pin wing finned tubes.
The arrangement mode of described pin-fin tube group 3 is divided into in-line arrangement, along the axial direction of base tube 1 or perpendicular to the axial direction of base tube 1 mistake
Row are arranged and arranged along the Unequal distance on flow of flue gas direction.
Described clamp group 4 and pin-fin tube group 3 is in a symmetrical arrangement on base tube 1.
Using flue gas direction of flow as positive apparent direction, when there is viscous ash deposit, the pin-fin tube group 3 and flue gas direction of flow
Left and right two groups of near-end between be welded with along the axially placed rectangular slab 5 of base tube 1, to prevent from producing containing grey airflow scouring front
Raw dust stratification, wherein rectangular slab 5 are welded on several supports 6, and the base of rectangular slab 5 and the surface clear distance of base tube 1 are more than
5mm, support is directly with complete penetraction and fusion in welding structure welding on base tube 1.
The pin wing fin tube structure of axial clamp plate type.
Compared with prior art, the utility model has the following advantages that：
(1) the utility model is by installing clamp additional, and fin surface can only be subordinated to by breaching traditional long direction eddy generator
Thinking is limited, and this clamp is located at finned tube leeward side, and to internal recessing, rather than the generally longitudinally outside arrangement of eddy generator,
It so can effectively eliminate dust stratification sintering, hence it is evident that reduce the flowing stagnation region of finned tube leeward side, and it is stagnant to greatly reduce flowing
Only region fin side and base tube dust stratification.
(2) the utility model can effectively strengthen the heat-transfer effect of pin wing finned tube, relative to traditional pin wing wing
Piece pipe, its heat transfer coefficient can improve more than 20%.
(3) the utility model carries out structure innovation to original pin wing fin, and pin wing finned tube is realized by clamp
Leeward side is vortexed the improvement of stagnation region.This pin wing fins set described in the utility model, can be quick by punch forming
Obtain, it is easy to accomplish automated production.
(4) the utility model combination industrial practice, proposes bilateral fluting, and the processing and assembling that flue gas outflow side is installed are thought
Road, is on the one hand in order at the consideration to practical set, the direction for making fin be installed when being welded with base tube without the concern for fin
Property；On the other hand this flue gas, which flows into side opening, can form flowing and boundary layer interruption, restart boundary layer flow, so that side
Interlayer is thinned, Local Condensing Heat Transfer Coefficients increase, reaches the purpose of augmentation of heat transfer.
In summary, the utility model structure and with good heat transfer and anti-dust stratification characteristic, while easy to process, it is easy to
Batch production is realized, is contacted closely with industrial production, with extremely strong industrial application value.
Brief description of the drawings
Fig. 1 is the signal of the pin wing finned tube in clamp single edges open semicircle shape hole in embodiment one of the present utility model
Figure.
Fig. 2 is the pin wing finned tube and conventional needle in clamp single edges open semicircle shape hole in embodiment one of the present utility model
The gas flow schematic diagram of wing finned tube, wherein：Fig. 2 a are the gas flow schematic diagram of conventional needle wing finned tube, and Fig. 2 b are
The gas flow schematic diagram of the pin wing finned tube in clamp single edges open semicircle shape hole in embodiment one of the present utility model.
Fig. 3 is the pin wing finned tube with rectangle clamp under different base tube forms in embodiment two of the present utility model
Overall structure diagram, wherein Fig. 3 a are elliptical tube, and Fig. 3 b are oval pipe.
Fig. 4 is the unilateral edge perforate shape of different clamps under identical pin pipe surface shape in embodiment three of the present utility model
The structural representation of shape, wherein, Fig. 4 a are the three-dimensional signals for the pin wing finned tube that the unilateral edge hole shape of clamp is half H-shaped
Figure, Fig. 4 b are the front views that the unilateral edge hole shape of clamp is half H-shaped clamp.
Fig. 5 illustrates to be used for the clamp structure of existing pin wing finned tube Overall Reconstruction in example IV of the present utility model
Figure, Fig. 5 a are the clamp schematic perspective views of unilateral edge not open semicircle connected in star central aperture, Fig. 5 b be the unilateral edge of clamp not
The schematic perspective view of the pin wing finned tube of open semicircle connected in star central aperture, Fig. 5 c are in the middle of unilateral edge open semicircle connected in star
The clamp schematic perspective view of perforate, Fig. 5 d are the vertical of the pin wing finned tube of the unilateral edge open semicircle connected in star central aperture of clamp
Body schematic diagram.
Fig. 6 is the structural representation of double card plate pin wing finned tube in embodiment five of the present utility model, and wherein Fig. 6 a are
Double card plate pin wing finned tube schematic perspective view, Fig. 6 b are the front views of double card plate pin wing finned tube.
Fig. 7 is stuck in the structural representation between two pin-fin tubes for clamp in embodiment six of the present utility model, wherein, figure
7a is that, using flue gas direction of flow as positive apparent direction, the clamp in both sides edge open semicircle hole is stuck in the pin wing fin between pin-fin tube
The schematic perspective view of pin wing finned tube of the pipe clamp between the second from the bottom of pin-fin tube, three pipes, Fig. 7 b are flowed with flue gas
Direction is positive apparent direction, and the pin wing finned tube that the clamp in both sides edge open semicircle hole is stuck between pin-fin tube is stuck in pin-fin tube
The schematic perspective view of the pin wing finned tube of pin wing finned tube between last, two pipes.
Fig. 8 be embodiment six of the present utility model on base tube flue gas direction of flow increase rectangular slab schematic diagram, its
Middle Fig. 8 a are schematic perspective view, and Fig. 8 b are front view.
Embodiment
The utility model is described in more detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
Fig. 1 is the signal of the pin wing finned tube in clamp single edges open semicircle shape hole in embodiment one of the present utility model
Figure.
The structure includes base tube 1, pin-fin tube group 3 and clamp group 4；The pin-fin tube group 3 is constituted by left and right two groups, and often
Group is regularly arranged according to certain pitch, along the axially in parallel arrangement of base tube outer wall；The clamp group 4 is by left and right two groups of identical squares
Shape clamp is constituted；The pin-fin tube group 3, by hole 2, is connected with clamp group 4 in the way of cutting ferrule or welding.
The hole shape being provided with clamp one side edge according to the pitch of pin-fin tube on base tube 1 can be to agree with pin tube shape
Semicircle.For the clamp group 4, the straight line parallel with the axial line of base tube is used as clamp using at institute's cutting ferrule pin wing finned tube
The angle of attack of reference direction, its incline direction and gas direction of flow is 10 °~80 °.
In clamp group 4 perforated area be slightly larger than pin wing fin tube section, both be gap coordinate, pin wing finned tube and
Butt welding is realized by hole between clamp, and fixes both to form entirety by local spot welding.
Fig. 2 is the pin wing finned tube and conventional needle in clamp single edges open semicircle shape hole in embodiment one of the present utility model
The gas flow schematic diagram of wing finned tube, wherein：Fig. 2 a are clamp single edges open semicircle in embodiment one of the present utility model
The gas flow schematic diagram of the pin wing finned tube in shape hole, Fig. 2 b are the gas flow schematic diagram of conventional needle wing finned tube.
As shown in Figure 2 a, under containing grey airflow scouring, due to the presence of the viscous effect and adverse pressure gradient of fluid in itself, stream
It is dynamic necessarily to separate, and in finned tube leeward side formation vortex stagnation region, and gas flow rate is very low in stagnation region, gas can not
Continue to carry ash particle motion, therefore stagnation region can be considered as to dust stratification area substantially.Therefore, containing the ash particle in grey air-flow in the back of the body
Wind side is constantly accumulated, and causes local a large amount of dust stratifications, seriously reduces the heat-transfer effect of pin wing finned tube.As shown in Figure 2 b, exist
Add axially through clamp after, partial fume is guided to base tube leeward side by clamp, makes the reduction of dust stratification area area, so as to improve
Dust stratification situation.
Embodiment two
Fig. 3 is the pin wing finned tube with rectangle clamp under different base tube forms in embodiment two of the present utility model
Overall structure diagram.In the present embodiment, for the identical structure of embodiment one, give identical symbol, and omit phase
Same explanation.
As shown in Fig. 3 a and Fig. 3 b in Fig. 3, base tube 1 is also not limited to the pipe described in embodiment one, can also be
Any one in elliptical tube or oval pipe.
Embodiment three
Fig. 4 is the unilateral edge perforate shape of different clamps under identical pin pipe surface shape in embodiment three of the present utility model
The structural representation of shape.Wherein, Fig. 4 a are the three-dimensional signals for the pin wing finned tube that the unilateral edge hole shape of clamp is half H-shaped
Figure, Fig. 4 b are the schematic perspective views that the unilateral edge hole shape of clamp is half H-shaped clamp.In the present embodiment, for implementation
The identical structure of example one, gives identical symbol, and omit identical explanation.
As shown in figure 4, its unilateral edge of the pin wing fin tube structure of axial clamp plate type involved by the utility model is opened
Hole is not limited to semicircle, or half H-shaped.For the clamp that the unilateral edge hole shape of clamp is half H-shaped, its inclination side
It it is 10 °~80 ° to the angle of attack of gas direction of flow.It should be strongly noted that the design of half H-shaped clamp is it is enclosed on pin
The H-shaped finned tube of a deformation is being partially formed after on wing finned tube, finned tube pin portion so can be further prevented
Dust stratification, augmentation of heat transfer.Rectangle clamp mentality of designing with circular arc is similar with half H-shaped clamp.
Example IV
Fig. 5 illustrates to be used for the clamp structure of existing pin wing finned tube Overall Reconstruction in example IV of the present utility model
Figure, Fig. 5 a are the clamp schematic perspective views of unilateral edge not open semicircle connected in star central aperture, Fig. 5 b be the unilateral edge of clamp not
The schematic perspective view of the pin wing finned tube of open semicircle connected in star central aperture, Fig. 5 c are in the middle of unilateral edge open semicircle connected in star
The clamp schematic perspective view of perforate, Fig. 5 d are the vertical of the pin wing finned tube of the unilateral edge open semicircle connected in star central aperture of clamp
Body schematic diagram.In the present embodiment, for the identical structure of embodiment one, give identical symbol, and omit identical and say
It is bright.
In order to be able to directly be transformed on the basis of existing pin wing finned tube, the utility model is given such as Fig. 5 institutes
The settling mode shown, i.e., it is clamp is middle according to the pin-fin tube section size and phase on existing pin wing finned tube in the width direction
Pitch between adjacent fin, along its length perforate then on direct cutting ferrule to pin wing finned tube, is fixed by spot welding.
Embodiment five
Fig. 6 is the structural representation of double card plate pin wing finned tube in embodiment five of the present utility model.Wherein Fig. 6 a are
Double card plate pin wing finned tube schematic perspective view, Fig. 6 b are the front views of double card plate pin wing finned tube.In the present embodiment, it is right
In with the identical structure of embodiment one, give identical symbol, and omit identical explanation.
As shown in Figure 6, the clamp in pin-fin tube group 3 multipair can be arranged, according to the number of every group of clamp, can form double card
Plate pin wing finned tube and many clamp pin wing finned tubes.
Embodiment six
Fig. 7 is stuck in the structural representation between two pin-fin tubes for clamp in embodiment six of the present utility model.Wherein, scheme
7a is that, using flue gas direction of flow as positive apparent direction, the clamp in both sides edge open semicircle hole is stuck in the pin wing fin between pin-fin tube
The schematic perspective view of pin wing finned tube of the pipe clamp between the second from the bottom of pin-fin tube, three pipes, Fig. 7 b are flowed with flue gas
Direction is positive apparent direction, and the pin wing finned tube that the clamp in both sides edge open semicircle hole is stuck between pin-fin tube is stuck in pin-fin tube
The schematic perspective view of the pin wing finned tube of pin wing finned tube between last, two pipes.In the present embodiment, for
With the identical structure of embodiment one, identical symbol is given, and omit identical explanation.
As shown in Fig. 7 a and Fig. 7 b in Fig. 7, if the clamp of both sides edge perforate is stuck between two pin-fin tubes,
Using flue gas direction of flow as positive apparent direction, institute's card position can be between the second from the bottom of pin-fin tube group 3, three pipes, can also
Between the last of pin-fin tube group 3, two pipes, as long as that is, clamp institute card position is vertical with direction of flow no more than base tube 1
Central Symmetry position.
Embodiment seven
Fig. 8 is that seven kinds of embodiment of the present utility model flue gas direction of flow on base tube increases the schematic diagram of rectangular slab, its
Middle Fig. 8 a are schematic perspective view, and Fig. 8 b are front view.
As shown in Fig. 8 a and Fig. 8 b in Fig. 8, using flue gas direction of flow as positive apparent direction, when there is viscous ash deposit, institute
One piece of rectangular slab need to be welded by stating the front portion of pin-fin tube, with prevent containing grey airflow scouring front produce dust stratification, rectangular slab base and
Base tube surface clear distance is preferably greater than 5mm, and wherein rectangular slab is welded on several supports, and support is directly welded with complete penetraction and fusion in welding structure
It is connected on base tube.
Claims (10)
1. a kind of pin wing fin tube structure of axial clamp plate type, it is characterised in that：Including base tube (1), pin-fin tube group (3) and card
Plate group (4)；The pin-fin tube group (3) is constituted by left and right two groups, and every group arranges including multiple row according to preset pitch, along base tube
(1) the pin wing finned tube of the axially in parallel arrangement of outer wall；The clamp group (4) is made up of left and right two groups of identicals rectangle clamp,
Positioned at pin-fin tube group (3) leeward side；The pin-fin tube group (3) and clamp group (4) are by hole (2), in the way of cutting ferrule or welding
It is connected.
2. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：Described base
It is any one in pipe, elliptical tube and oval pipe to manage (1).
3. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：The clamp
Group (4) is according to the pitch of pin-fin tube group (3) on base tube (1) to be provided with hole (2) at its edge along its length, or at it along width
The pitch perforate (2) according to pin-fin tube group (3) on base tube (1) in the middle of on direction is spent, hole (2) realize one-shot forming by punching press；
Hole (2) shape being provided with one side edge of clamp group (4) along its length according to the pitch of pin-fin tube group (3) on base tube (1)
To agree with the semicircle or half H-shaped of pin-fin tube group (3) shape, at clamp group (4) both sides edge according to pin-fin tube on base tube (1)
The hole (2) that the pitch of group (3) is provided with is shaped as agreeing with the semicircle of pin-fin tube group (3) shape, in clamp group (4) in the width direction
The hole (2) that upper centre is provided with according to the pitch of pin-fin tube group (3) on base tube (1) is shaped as agreeing with the circle of pin-fin tube group (3) shape
Shape；If clamp group (4) goes up central aperture (2) in the width direction, its unilateral edge is provided with semi-circular recesses or not slotted.
4. a kind of pin wing fin tube structure of axial clamp plate type according to claim 3, it is characterised in that：The clamp
The type of attachment of group (4) and pin-fin tube group (3) is fastened in along base tube (1) axial direction for the clamp of two one side edge perforate (2)
On same row's pin wing finned tube；Or the clamp of both sides edge perforate (2) is stuck in two row's pin wings along base tube (1) axial direction
Between type finned tube；Or the clamp of central aperture (2) is directly fastened in same row's pin wing fin along base tube (1) axial direction
Guan Shang.
5. a kind of pin wing fin tube structure of axial clamp plate type according to claim 4, it is characterised in that：If by one
The clamp of both sides edge perforate (2) be stuck in along base tube (1) axial direction two row's pin wing finned tubes between, using flue gas direction of flow as
Positive apparent direction, institute's card position is between the second from the bottom of pin-fin tube group (3), three pin wing finned tubes, or in pin-fin tube group (3)
Last, two pin wing finned tubes between, i.e., clamp group (4) as long as institute's card position no more than base tube (1) with come the side of stream
To vertical Central Symmetry position.
6. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：The hole
(2) area is more than pin wing fin tube section, and both coordinate for gap；For the clamp group (4), with institute's cutting ferrule pin-fin tube group
(3) place's straight line parallel with the axial line of base tube (1) is used as clamp reference direction, its incline direction and the angle of attack of gas direction of flow
For 10 °~80 °.
7. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：The clamp
Left and right two groups of group (4) are one or more sides for being arranged in flue gas outflow, according to the number of each group of clamp, form double
Clamp pin wing finned tube and many clamp pin wing finned tubes.
The pin wing fin tube structure of the axial clamp plate type of the pin wing fin tube structure of axial clamp plate type
8. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：Described pin
Nail pipe group (3) arrangement mode be divided into in-line arrangement, along base tube (1) axially or perpendicular to base tube (1) axially be staggered in arrangement and
Along the Unequal distance arrangement on flow of flue gas direction.
9. a kind of pin wing fin tube structure of axial clamp plate type according to any one of claim 1 to 8, its feature exists
In：Described clamp group (4) and pin-fin tube group (3) is in a symmetrical arrangement on base tube (1).
10. a kind of pin wing fin tube structure of axial clamp plate type according to claim 1, it is characterised in that：With flue gas
Direction of flow is positive apparent direction, when there is viscous ash deposit, a left side for the near-end of the pin-fin tube group (3) and flue gas direction of flow,
It is welded between right two groups along the axially placed rectangular slab (5) of base tube (1), to prevent the dust stratification containing the generation of grey airflow scouring front,
Wherein rectangular slab (5) is welded on several supports (6), and rectangular slab (5) base and base tube (1) surface clear distance are more than 5mm,
Support is directly with complete penetraction and fusion in welding structure welding on base tube (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446886.3U CN206488679U (en) | 2016-12-27 | 2016-12-27 | A kind of pin wing fin tube structure of axial clamp plate type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621446886.3U CN206488679U (en) | 2016-12-27 | 2016-12-27 | A kind of pin wing fin tube structure of axial clamp plate type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206488679U true CN206488679U (en) | 2017-09-12 |
Family
ID=59769821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621446886.3U Active CN206488679U (en) | 2016-12-27 | 2016-12-27 | A kind of pin wing fin tube structure of axial clamp plate type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206488679U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705731A (en) * | 2016-12-27 | 2017-05-24 | 西安交通大学 | Axial locking plate type pin-fin type finned tube |
-
2016
- 2016-12-27 CN CN201621446886.3U patent/CN206488679U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705731A (en) * | 2016-12-27 | 2017-05-24 | 西安交通大学 | Axial locking plate type pin-fin type finned tube |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106091782A (en) | A kind of axially through H type finned tube and heat-exchanging tube bundle | |
| WO2022205765A1 (en) | Compact heat exchanger and asymmetric airfoil heat exchange plate thereof | |
| JP6200598B2 (en) | Pre-set streamline wayby fin for finned tube heat exchanger | |
| CN101245974A (en) | Finned heat exchanger | |
| CN101086434A (en) | Heat exchanger and its making method | |
| CN108151571B (en) | A kind of spiral venetian blind type rectangle internally finned tube | |
| CN106705731A (en) | Axial locking plate type pin-fin type finned tube | |
| WO2023173880A1 (en) | Heat exchanger based on gd type hybrid minimal curved surface disturbance structure | |
| CN104034194B (en) | Rectangle turns round tooth finned tube and rectangle turns round tooth finned tube heat-exchanging tube bundle | |
| CN206488679U (en) | A kind of pin wing fin tube structure of axial clamp plate type | |
| CN105716448B (en) | A kind of blinds shape baffle plate fixed tube-sheet exchanger and processing installation method | |
| CN202255028U (en) | Enhanced heat exchange fin | |
| CN105987540A (en) | Tube-fin type parallel flow heat exchanger | |
| CN206709671U (en) | A kind of heat exchanger tube and heat exchanger with inner fin | |
| CN106440882B (en) | The trapezoidal inclined baffle shell-and-tube heat exchanger of class | |
| CN102141353B (en) | Combined type circular pipe pipe-fin heat exchanger | |
| CN108731534A (en) | A kind of surface emissivity shape cracks H-type finned tube | |
| CN203561262U (en) | Heat exchanger | |
| CN102121798A (en) | Flat tube-fin heat exchanger with double-side vortex generator | |
| CN102435087A (en) | E-shaped axially-symmetrical strengthened heat-exchanging element | |
| CN104165534A (en) | Tubular heat exchanger with twisted strips in relaxation fit with protruding tubes | |
| CN208091292U (en) | Crack H-type finned tube for a kind of surface | |
| CN101539384A (en) | Fins for serial fin type heat exchanger | |
| CN201277832Y (en) | Asymmetrical fins for reinforced heat transferring | |
| CN202393282U (en) | Fin-tube type fin heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |