CN208296666U - A kind of spiral fin coil and the KL type fin heat exchanger comprising it - Google Patents
A kind of spiral fin coil and the KL type fin heat exchanger comprising it Download PDFInfo
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- CN208296666U CN208296666U CN201820379487.2U CN201820379487U CN208296666U CN 208296666 U CN208296666 U CN 208296666U CN 201820379487 U CN201820379487 U CN 201820379487U CN 208296666 U CN208296666 U CN 208296666U
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- tube body
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- spiral fin
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Abstract
The utility model discloses a kind of spiral fin coil and the KL type fin heat exchanger comprising it, is related to technical field of heat exchange.The finned tube includes: tube body；And the spiral fins on the outside of the tube body are helically wound around, the fin includes bending the bending part extended to form to the body part extended far from the tube body direction, and by one end close to the tube body of the body part；The inner surface of the bending part is fixed in conjunction with the outer surface of the tube body.The finned tube and heat exchanger increase the contact area of fin and tube body, solve the heat exchange bottleneck problem of fin and tube body binding site by the way that fin and tube body binding site are designed to that KL type makes fin and tube body bound fraction even closer.
Description
Technical field
The utility model relates to technical field of heat exchange.More particularly, to a kind of spiral fin coil and include its KL
Type fin heat exchanger.
Background technique
Refrigeration industry reduces energy to improve the heat exchanger effectiveness of heat exchanger to reach raising complete machine heat exchanger effectiveness
The purpose of consumption, various forms of heat exchangers can be taken in the industry, fin heat exchanger is one of heat exchanger.
Since fin heat exchanger is spirally wound on tube body using fin, to increase heat exchange area and reduce whole
Heat exchanger volume improves whole heat exchanger effectiveness, the closeness of contact of current this heat-exchanger fin and tube body and connects
Contacting surface product is the bottleneck place of the heat exchanger.Bottleneck in order to solve this problem generally uses two ways.
One, fin is pressed into advance wavy, during the winding process, fin and tube body contact portion are according to wave-like
Further compressed fold forms fin and winds inner ring, and compressed wave and tube body contact height are exactly fin contacts part face
Product, fin outer ring extend, substantially even up wave.
Two, fin is converted into L-type in advance, wherein L-type fin short side is wound on tube body, in order to coiling shape,
Outer ring fin is ironed, and outer ring fin, which extends to, to be enough to be wrapped on tube body, and this structure is capable of increasing connecing for fin and tube body
Contacting surface product, and winding is close, reduces the influence of fin and tube body contact bottleneck to whole heat exchanger effectiveness.
Above two method all solves the bottleneck problem of heat exchange in varying degrees, but what is solved is not thorough, fin and
Tube body binding site is still the bottleneck place of heat exchange, which is the technical problem in industry, is badly in need of solving.
Utility model content
One of the utility model is designed to provide a kind of spiral fin coil, by setting fin and tube body binding site
Meter l-shaped structure increases the contact area of fin and tube body, solves so that fin and tube body bound fraction are even closer
The heat exchange bottleneck problem of fin and tube body binding site.
Second of the utility model is designed to provide a kind of KL type fin heat exchange comprising above-mentioned spiral fin coil
Device.
The production method that the third of the utility model is designed to provide a kind of KL type fin heat exchanger.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
First purpose according to the present utility model, the utility model provide a kind of spiral fin coil, the finned tube packet
It includes: tube body；And the spiral fins on the outside of the tube body are helically wound around, the fin includes to far from the tube body direction
The body part of extension, and the bending part extended to form is bent by one end close to the tube body of the body part；It is described curved
The inner surface of folding part is fixed in conjunction with the outer surface of the tube body.
Preferably, the outer surface of the tube body is wavy shaped configuration.
Preferably, the wavy shaped configuration of the tube body outer surface is circumferentially arranged along the outer surface of tube body.
Preferably, the inner surface of the bending part is formed with the waveform knot of fitting corresponding with the tube body outer surface
Structure.
Preferably, the inner surface of the bending part was formed with wind between flat construction, and the outer surface of tube body
Channel.
Preferably, the inner surface of the tube body is wavy shaped configuration.
Preferably, the body part includes at least thick close to the equal part of the section thickness of the tube body and section
It spends from the direction close to the tube body to the diminishing part in direction far from the tube body.
Preferably, length of the spacing in two adjacent fin body portions not less than the bending part between two adjacent fins.
Preferably, the spacing in two adjacent fin body portions is equal to the length of the bending part between two adjacent fins.
Second purpose according to the present utility model, the utility model also provide a kind of KL type fin heat exchanger, comprising:
Spiral fin coil as described above, the spiral fin coil are KL type；And the fixation bracket for fixing finned tube.
The beneficial effects of the utility model are as follows:
Spiral fin coil and KL type fin heat exchanger provided by the utility model, tube body outer surface are designed to wave
Shape structure substantially increases the outer surface product of tube body, and the outer surface of tube body and the contact area of fin are consequently increased,
So that finned tube and the heat exchange performance of fin heat exchanger are greatly improved.Meanwhile the utility model by by fin and
The binding site of tube body designs l-shaped fin structure, so that the bound fraction of fin and tube body is even closer, and increases wing
The contact area of piece and tube body, to efficiently solve the bottleneck problem that fin and tube body combine.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows the vertical section structure schematic diagram of the utility model spiral fin coil.
Fig. 2 shows the partial enlarged views at Figure 1A.
Fig. 3 shows the cross-sectional structure schematic diagram of the utility model spiral fin coil.
Fig. 4 shows the structural schematic diagram of the utility model spiral fin coil.
Fig. 5 shows the structural schematic diagram of the utility model helical fin heat exchanger.
Description of symbols: 1, spiral fin coil；11, tube body；111, outer surface；112, inner surface；12, fin；
121, body part；122, bending part；2, fixed bracket.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
The fin of fin heat exchanger and the closeness of contact of tube body and contact area are the bottleneck places of the heat exchanger,
In order to solve this problem, the utility model provides a kind of KL type finned tube and the KL type fin heat exchanger comprising it, pass through by
Fin and tube body binding site are designed to KL type structure so that fin and tube body bound fraction are even closer, increase fin and
The contact area of tube body solves the heat exchange bottleneck problem of fin and tube body binding site.
Specifically, it is described in detail in conjunction with attached drawing.On the one hand, the utility model provides a kind of KL type finned tube first,
As shown in attached drawing 1-4, Fig. 1 shows the vertical section structure schematic diagram of the utility model KL type finned tube；Fig. 2 shows the offices at Figure 1A
Portion's enlarged drawing；Fig. 3 shows the cross-sectional structure schematic diagram of the utility model KL type finned tube；Fig. 4 shows the utility model KL type
The structural schematic diagram of finned tube.
The KL type finned tube 1 is volume layer structure, comprising: tube body 11, the tube body outer surface 111 of the tube body 11 are wave
Shape wave；And it is helically wound around the fin 12 in the outside of tube body 11, the fin 12 includes cooperating L-shaped body part 121 and curved
The side far from the tube body 11 of folding part 122, the body part 121 extends through squeezing, and tranverse sectional thickness is gradually reduced；Institute
Bending part 122 is stated in conjunction with 111 spiral winding of outer surface of tube body 11.
The 11 tube body outer surface 111 of tube body of the utility model is designed to wave-like, substantially increases the pipe of tube body 11
111 area of outer surface of body, the outer surface 111 of 11 tube body of tube body increases therewith with the contact area of fin 12, so that wing
1 heat exchange performance of piece pipe greatly promotes.Meanwhile the utility model is by designing the binding site of 11 tube body of fin 12 and tube body
At KL type fin structure, so that fin 12 and 11 tube body bound fraction of tube body are even closer, and fin 12 and tube body are increased
The contact area of 11 tube bodies, to efficiently solve the bottleneck problem that fin and tube body combine.
On the basis of the above design, it is preferable that the bending part 122 with the shape of 11 contact site of tube body with
Wavy 11 tube body outer surface 111 of tube body matches, i.e. bending part 122 is also designed to 11 contact site of tube body
Waveform can be in close contact and match with wavy 11 tube body outer surface 111 of tube body, further increase the pipe of tube body 11
The outer surface 111 of body and the contact area of fin 12, raising heat exchanging efficiency.In the production process, 12 bending part 122 of fin
Deformation is pressed by the wave of 11 tube body outer surface 111 of tube body with the contact portion of 11 tube body of tube body, is formed and table on the outside of tube body
The identical waveform in face 111.Certainly, the waveform on 12 bending part 122 of fin can also be made up of other methods, herein
Specific limitation is not done.
Further, the tube body inner surface 112 of the tube body 11 is also designed to waveform, table on the inside of wavy tube body
Face can influence the flowing of tube body inner refrigerant.In this preferred embodiment, the waveform of outer surface in the tube body 11
Extend along the axial direction of 11 tube body of tube body, it is this to can be designed so that the refrigerant in tube body 11 was flowed in tubular body
Turbulent flow is formed in the process, so that the heat transfer effect of refrigerant and tube body and fin is further increased, using the fin of the structure
The heat exchange performance for the heat exchanger that pipe 1 makes also is therefore greatly increased.It will be appreciated by persons skilled in the art that manufacturing process
In, usually when processing wavy 11 tube body outer surface 111 of tube body, tube body inner surface 112 while also self-assembling formation phase
The waveform answered can save production cost, simplify production technology.
In order to come into full contact with the bending part 122 of fin 12 closely with 11 tube body outer surface 111 of tube body, it is preferable that phase
Length of the spacing of adjacent 12 body part 121 of fin not less than the bending part 122 between two adjacent fins 12.It is further preferred that
When the spacing of adjacent fins 12 body parts 121 is equal to the length of the bending part 122 between two adjacent fins 12, fin 12 at this time
The outer surface 111 of 11 tube body of tube body is completely covered in bending part 122, does not stay gap, further increases the outer of 11 tube body of tube body
The contact area of side surface 111 and fin 12, raising heat exchanging efficiency.
To enable fin to be helically wound around the outer surface 111 of the tube body, 12 body part 121 of fin must be through
It is spiral-shaped needed for helical buckling to be formed to cross extruding extension.As shown in Fig. 2, 12 body part 121 of fin can be far from institute
The side for stating tube body 11 is extruded extension, also can choose monolithic extruded extension, i.e. 121 tranverse sectional thickness of body part is radially square
It is gradually reduced to from the thoughtful excircle of inner circle.
On the other hand, the utility model also provides a kind of KL type fin heat exchanger, as shown in Fig. 5.Fig. 5 shows this reality
With the structural schematic diagram of novel KL type fin heat exchanger, which includes KL type finned tube 1, Yi Jiyong as described above
In the fixation bracket 2 of fixed finned tube 1, fixed bracket 2 can prevent finned tube 1 from deforming.The heat exchanger is due to using
KL type finned tube provided by the utility model, therefore its heat exchange performance is improved significantly, solve current heat exchange
The heat exchange bottleneck problem of the generally existing fin of device and tube body binding site.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (9)
1. a kind of spiral fin coil, which is characterized in that the finned tube (1) includes:
Tube body (11)；And
The spiral fins (12) being helically wound around on the outside of the tube body (11), the fin (12) include to far from the tube body
(11) body part (121) that direction extends, and prolonged by one end bending close to the tube body (11) of the body part (121)
Stretch the bending part to be formed (122)；The inner surface of the bending part (122) is solid in conjunction with the outer surface of the tube body (11)
It is fixed.
2. spiral fin coil according to claim 1, which is characterized in that the outer surface (111) of the tube body (11) is
Wavy shaped configuration, outer surface (111) of the wavy shaped configuration along tube body (11) are circumferentially arranged.
3. spiral fin coil according to claim 2, which is characterized in that the inner surface of the bending part (122) is formed
There is the wavy shaped configuration of fitting corresponding with the tube body (11) outer surface (111).
4. spiral fin coil according to claim 2, which is characterized in that the inner surface of the bending part (122) is flat
Wind passage is formed between straight structure, and the outer surface (111) of tube body (11).
5. spiral fin coil according to claim 1, which is characterized in that the inner surface (111) of the tube body (11) is
Wavy shaped configuration, inner surface (112) of the wavy shaped configuration along tube body (11) are circumferentially arranged.
6. spiral fin coil according to claim 1, which is characterized in that the body part (121) includes at least close to institute
The equal part and section thickness of section thickness of tube body (11) is stated from the direction close to the tube body (11) to far from described
The diminishing part in direction of tube body (11).
7. spiral fin coil according to claim 1, which is characterized in that between two adjacent fins (12) body part (121)
Away from the length not less than the bending part (122) between two adjacent fins (12).
8. spiral fin coil according to claim 7, which is characterized in that between two adjacent fins (12) body part (121)
Length away from the bending part (122) being equal between two adjacent fins (12).
9. a kind of KL type fin heat exchanger characterized by comprising
Spiral fin coil (1) as described in claim 1, the spiral fin coil (1) are KL type；And for fixing finned tube
(1) fixation bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379487.2U CN208296666U (en) | 2018-03-20 | 2018-03-20 | A kind of spiral fin coil and the KL type fin heat exchanger comprising it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820379487.2U CN208296666U (en) | 2018-03-20 | 2018-03-20 | A kind of spiral fin coil and the KL type fin heat exchanger comprising it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208296666U true CN208296666U (en) | 2018-12-28 |
Family
ID=64696028
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820379487.2U Active CN208296666U (en) | 2018-03-20 | 2018-03-20 | A kind of spiral fin coil and the KL type fin heat exchanger comprising it |
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| Country | Link |
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| CN (1) | CN208296666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534586A (en) * | 2018-03-20 | 2018-09-14 | 河南新科隆电器有限公司 | A kind of spiral fin coil and the KL type fin heat exchangers comprising it |
-
2018
- 2018-03-20 CN CN201820379487.2U patent/CN208296666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534586A (en) * | 2018-03-20 | 2018-09-14 | 河南新科隆电器有限公司 | A kind of spiral fin coil and the KL type fin heat exchangers comprising it |
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