CN209166211U - A kind of perforation diaphragm pipe - Google Patents
A kind of perforation diaphragm pipe Download PDFInfo
- Publication number
- CN209166211U CN209166211U CN201821776038.8U CN201821776038U CN209166211U CN 209166211 U CN209166211 U CN 209166211U CN 201821776038 U CN201821776038 U CN 201821776038U CN 209166211 U CN209166211 U CN 209166211U
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- CN
- China
- Prior art keywords
- tube
- heat exchanger
- ring
- shell
- base 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.)
- Expired - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of perforation diaphragm pipes, it include base tube, the periphery wall of the base tube is uniformly provided with several ring-shaped grooves along the length direction of the base tube, ring film is connected in the ring-shaped groove, several through-holes are along the circumferential direction evenly arranged on the ring film, the periphery of the through-hole is zigzag, the utility model increases the heat transfer area of heat exchanger tube, through-hole and its laciniation increase fluid turbulent degree on diaphragm, improve the coefficient of heat transfer of heat exchanger tube, simultaneously, when applied to heat exchanger, heat exchanger tube can form self-supporting by diaphragm, shell-side fluid is changed to longitudinal flow from lateral flow, it can be by design of heat exchanger at pure countercurrent flow, increase heat transfer temperature difference, improve the total coefficient of heat transfer of heat exchanger, the utility model is suitable for the small shell-and-tube heat exchanger of shell-side heat transfer coefficient.
Description
Technical field
The utility model belongs to heat-transfer equipment field, is related to a kind of heat exchanger tube in shell-and-tube heat exchanger.
Background technique
Heat exchanger tube used in heat exchange equipment is largely smooth tube at present, and there are also augmentation of heat transfer pipes, for example contract
Put pipe, band pipe, bellows tube etc., the shortcomings that smooth tube is that convection transfer rate is small, and shaped telescopic tube, band pipe, bellows tube etc. are strong
Though the convective heat-transfer coefficient for changing heat-transfer pipe is improved, resistance also increases, and is easy fouling, and be situated between respectively for different heat transfers
Matter, when fluid flows in shell-and-tube heat exchanger, the length direction flow direction along base tube is longitudinal, perpendicular to the stream of base tube central axes
To for laterally, traditional shell-and-tube heat exchanger is more due to the reason of the structural elements such as baffle plate when fluid flows in shell
For lateral flow, cause existing heat exchanger shell pass heat transfer coefficient small, resistance increases.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of perforation diaphragm pipe, will can effectively change
The shell-side fluid of hot device is changed to longitudinal flow from lateral flow, while can improve shell-side heat transfer coefficient, increase heat transfer temperature difference, reduce
The heat exchanger tube of heat transmission resistance.
The solution that the utility model solves its technical problem is: a kind of perforation diaphragm pipe, includes base tube, the base
The periphery wall of pipe is uniformly provided with several ring-shaped grooves along the length direction of the base tube, and cooperation connects in the ring-shaped groove
It is connected to ring film, several through-holes are along the circumferential direction evenly arranged on the ring film, the periphery of the through-hole is saw
Dentation.
The utility model provides a kind of perforation diaphragm pipe, includes base tube, the length direction of the periphery wall of base tube along base tube
Several ring-shaped grooves are uniformly provided with, ring film is connected in ring-shaped groove, ring film and base tube are seamlessly connected,
It can ensure that the heat of base tube is conducted to ring film, ring film is peripherally disposed several through-holes, the periphery of through-hole
For broached-tooth design, ring film increases the heat transfer area in unit volume, and through-hole is increased with its laciniation on diaphragm
Fluid turbulent degree, when fluid washes away tube bank along the axial direction of heat exchanger tube, fluid via through holes realize a degree of mixing, through-hole and
Its laciniation constantly updates the boundary layer of heat exchange surface, is thinned laminar sublayer thickness, to improve the coefficient of heat transfer.
As a further improvement of the above technical scheme, between two adjacent ring films distance be 10mm~
50mm。
As a further improvement of the above technical scheme, the ring film with a thickness of 1mm~3mm.
As a further improvement of the above technical scheme, the outer diameter ratio of the outside diameter of the ring film and the base tube
For (1.25~1.5): 1.
As a further improvement of the above technical scheme, the ring film 2 and the company of welding at ring-shaped groove of base tube 1
It connects.
As a further improvement of the above technical scheme, the diameter of the through-hole is 3mm~6mm.
Beneficial effect using above-mentioned further scheme is: increasing heat exchanger shell pass fluid turbulent degree, improves shell side stream
The body coefficient of heat transfer reduces shell-side fluid flow resistance, enhances the stability of tube bank, improves the total heat transfer property of heat exchanger.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the single base tube side view of the utility model.
Fig. 2 is the single base tube front view of the utility model.
Fig. 3 is the tube bank side view of the utility model.
Fig. 4 is the example structure schematic diagram that the utility model is applied to shell-and-tube heat exchanger.
In figure: 1- base tube, 2- ring film, 3- through-hole, 4- tube sheet, 5- rear head, the outlet of 6- tube side, the import of 7- shell side,
8- shell, the import of 9- tube side, 10- front head, 11- shell-side outlet, 12- connection rubber base.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific implementation feelings
Condition, by adding or reducing connection auxiliary, Lai Zucheng more preferably connection structure.Each technical characteristic in the invention,
It can be with combination of interactions under the premise of not conflicting conflict.
Referring to Fig.1, Fig. 2, Fig. 3, a kind of perforation diaphragm pipe include base tube 1, and the periphery wall of the base tube 1 is along the base
The length direction of pipe 1 is uniformly provided with several ring-shaped grooves, and ring film 2, institute are connected in the ring-shaped groove
It states and is along the circumferential direction evenly arranged with several through-holes 3 on ring film 2, the periphery of the through-hole 3 is zigzag.
It can be seen from the above, the utility model provides a kind of perforation diaphragm pipe, it include base tube 1, the periphery wall of base tube 1 is along base
The length direction of pipe 1 is uniformly provided with several ring-shaped grooves, and ring film 2, ring film 2 are connected in ring-shaped groove
It is seamlessly connected with base tube 2, it can be ensured that the heat of base tube 1 is conducted to ring film 2, is along the circumferential direction uniformly set on ring film 2
Several through-holes 3 are equipped with, the periphery of through-hole 3 is broached-tooth design, and ring film 2 increases the heat transfer area in unit volume, is led to
Hole 3 and its laciniation increase fluid turbulent degree, when fluid washes away tube bank along the axial direction of heat exchanger tube, fluid via through holes 3
Realize a degree of mixing, through-hole 3 and laciniation constantly update the boundary layer of heat exchange surface, be thinned laminar sublayer
Thickness, to improve the coefficient of heat transfer.
It is further used as preferred embodiment, distance is 10mm~50mm between the ring film 2 of adjacent two,
Heat exchanger tube is longer, and spacing is bigger.
Be further used as preferred embodiment, the ring film 2 with a thickness of 1mm~3mm, can be according to overall structure
Depending on size, 1 diameter of base tube is bigger, and the thickness setting of ring film 2 is bigger.
It is further used as preferred embodiment, the outside diameter of the ring film 2 and the outer diameter ratio of the base tube 1 are
(1.25~1.5): 1, can be depending on heat exchanger structure size, 1 diameter of base tube is bigger, the outside diameter setting of ring film 2
It is bigger.
It is further used as preferred embodiment, the ring film 2 is welded to connect at ring-shaped groove with base tube 1.
It is further used as preferred embodiment, the diameter of the through-hole 3 is 3mm~6mm, 2 outer circle of ring film
Diameter is bigger, and the diameter of the through-hole 3 is bigger.
The perforation diaphragm pipe of above structure can be applied in shell-and-tube heat exchanger, as shown in figure 4, specific embodiment technology
Scheme is as follows: including shell 8, the both ends of shell 8 are provided with front head 10 and rear head 5, front head 10, rear head 5 and shell
The junction of body 8 is provided with tube sheet 4, several perforation diaphragm pipes is fixedly connected between tube sheet 4, front head 10 is far from shell 8
One end be provided with tube side import 9, rear head 5 is provided with tube side outlet 6 far from one end of shell 8, and shell 8 is close to front head 10
One end top side be provided with shell-side outlet 11, shell 8 is provided with shell-side outlet 11 close to one end of rear head 5, and fluid is from shell side
Enter at import 7, flowed out from shell-side outlet 11, refrigerant flows into from tube side import 9, flows out from tube side outlet 6, any two
Neighbouring ring film 2 mutually abuts, and the adjacent ring film 2 of any two or so mutually abuts, and utilizes ring film 2
Between mutual support, instead of baffle plate exchange heat pipe support, without special supporter, ring film 2 increases list
Heat transfer area in the volume of position, meanwhile, fluid can flow through from through-hole 3, can also from four ring films mutually abutted 2 it
Between middle section flow through so that the complete longitudinal flow of the fluid in shell 8, can be designed to the heat exchanger of pure adverse current, heat transfer
The temperature difference increases, and increases the rate of heat transfer of heat exchanger.
Preferably, the outer periphery of ring film 2 is symmetrically arranged with 4 connection rubber bases 12 up and down, connection rubber base 12
Two sides are symmetrically arranged with slot, ring film 2 are inserted into the slot of connection rubber base 12, when a plurality of perforation diaphragm pipe mutually abuts shape
When at self supporting structure, connection rubber base 12 is arranged at the abutting between ring film 2, prevents two adjacent up and down rings
It misplaces between shape diaphragm 2, while buffer function is played in the vibration that fluid flush pipe beam when generates, connection rubber base 12 can make
Use heat-proof silica gel.
The better embodiment of the utility model is illustrated above, but the invention be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of perforation diaphragm pipe includes base tube (1), it is characterised in that: the periphery wall of the base tube (1) is along the base tube
(1) length direction is uniformly provided with several ring-shaped grooves, and ring film (2) are connected in the ring-shaped groove,
Several through-holes (3) are along the circumferential direction evenly arranged on the ring film (2), the circumference of the through-hole (3) is zigzag.
2. a kind of perforation diaphragm pipe according to claim 1, it is characterised in that: the ring film (2) of adjacent two
Between distance be 10mm~50mm.
3. a kind of perforation diaphragm pipe according to claim 1, it is characterised in that: the ring film (2) with a thickness of 1mm
~3mm.
4. a kind of perforation diaphragm pipe according to claim 1, it is characterised in that: the outside diameter of the ring film (2)
Outer diameter ratio with the base tube (1) is (1.25~1.5): 1.
5. a kind of perforation diaphragm pipe according to claim 1, it is characterised in that: the ring film (2) and base tube (1) exist
It is welded to connect at ring-shaped groove.
6. a kind of perforation diaphragm pipe according to claim 1, it is characterised in that: the diameter of the through-hole is 3mm~6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821776038.8U CN209166211U (en) | 2018-10-30 | 2018-10-30 | A kind of perforation diaphragm pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821776038.8U CN209166211U (en) | 2018-10-30 | 2018-10-30 | A kind of perforation diaphragm pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209166211U true CN209166211U (en) | 2019-07-26 |
Family
ID=67335894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821776038.8U Expired - Fee Related CN209166211U (en) | 2018-10-30 | 2018-10-30 | A kind of perforation diaphragm pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209166211U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323613A (en) * | 2018-10-30 | 2019-02-12 | 佛山科学技术学院 | A kind of perforation diaphragm pipe |
-
2018
- 2018-10-30 CN CN201821776038.8U patent/CN209166211U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323613A (en) * | 2018-10-30 | 2019-02-12 | 佛山科学技术学院 | A kind of perforation diaphragm pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20211030 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |