CN208765534U - Finned heat exchanger - Google Patents
Finned heat exchanger Download PDFInfo
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- CN208765534U CN208765534U CN201820838402.2U CN201820838402U CN208765534U CN 208765534 U CN208765534 U CN 208765534U CN 201820838402 U CN201820838402 U CN 201820838402U CN 208765534 U CN208765534 U CN 208765534U
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- level
- heat
- fin
- heat exchanger
- heat exchange
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Abstract
The utility model relates to a kind of finned heat exchangers, comprising: level-one heat-exchanging tube bundle, including multiple rows of first heat exchanger tube；Secondary heat exchange tube bank, including multiple rows of second heat exchanger tube are separated with pre-determined distance between the secondary heat exchange tube bank and the level-one heat-exchanging tube bundle；Multiple level-one fins corresponding to the level-one heat-exchanging tube bundle, the level-one fin are sheathed on the level-one heat-exchanging tube bundle, and a pitch of fins is preset at adjacent level-one fin interval first；And multiple second level fins corresponding to secondary heat exchange tube bank, the second level fin are sheathed on the secondary heat exchange tube bank, a pitch of fins is preset at adjacent second level fin interval second.Above-mentioned finned heat exchanger divides heat-exchanging tube bundle to two-stage design, two-stage heat-exchanging tube bundle caliber and a fin pitch of fins can according to need and be adjusted, there are distances not to contact for two-stage heat-exchanging tube bundle, can prevent heat from conducting in this way, heat exchanger can be allowed to reach ideal heat transfer effect under different operating conditions.
Description
Technical field
The utility model relates to technical field of heat exchangers, more particularly to a kind of finned heat exchanger.
Background technique
The advantages that finned heat exchanger is small, compact-sized, easy to operate, heat transfer efficiency is high with its occupied area is answered extensively
For industries such as air-conditioning, electronic device heat exchange, HVAC, refrigeration, with social environment consciousness enhancing and the energy it is gradually in short supply,
The requirement of the utilization rate of heat exchanging device is also higher and higher.And in order to improve heat exchange property, the mode of our usual enhanced heat exchanges
It exactly improves the coefficient of heat transfer, increase heat exchange area, the suitable air side of selection and refrigerant side mean temperature difference.
Finned heat exchanger conventional design is that each heat-exchanging tube bundle caliber is identical and designs for townhouse, a fin pitch of fins at present
It is identical.In order to adapt to different operating conditions or temperature, it usually needs improve exchange capability of heat, only take and improve the coefficient of heat transfer, increase heat exchange
The methods of area, the suitable air side of selection and refrigerant side mean temperature difference cost is too high, results in waste of resources, only simply changes
The requirement of exchange capability of heat is then not achieved in heat exchange copper tube or a pitch of fins.
Utility model content
Based on this, it is necessary to only be taken for existing finned heat exchanger and improve the coefficient of heat transfer, increase heat exchange area, choosing
It is too high to select the methods of suitable air side and refrigerant side mean temperature difference cost, results in waste of resources, only simply changes heat exchange copper
The problem of requirement of exchange capability of heat is then not achieved in pipe or a pitch of fins, provide a kind of finned heat exchanger.
A kind of finned heat exchanger, comprising:
Level-one heat-exchanging tube bundle, including multiple rows of first heat exchanger tube；
Secondary heat exchange tube bank, including multiple rows of second heat exchanger tube, between the secondary heat exchange tube bank and the level-one heat-exchanging tube bundle
It is separated with pre-determined distance；
Multiple level-one fins corresponding to the level-one heat-exchanging tube bundle, the level-one fin are sheathed on the level-one heat exchanger tube
A pitch of fins is preset at beam, adjacent level-one fin interval first；And
Multiple second level fins corresponding to secondary heat exchange tube bank, the second level fin are sheathed on the secondary heat exchange pipe
A pitch of fins is preset at beam, adjacent second level fin interval second.
The heat exchanger tube number of rows that the level-one heat-exchanging tube bundle is restrained with secondary heat exchange in one of the embodiments, is different, institute
State that the heat exchange tube diameter that level-one heat-exchanging tube bundle and secondary heat exchange are restrained is identical, a fin pitch of fins for the level-one fin and second level fin
It is different.
The heat exchanger tube number of rows that the level-one heat-exchanging tube bundle is restrained with secondary heat exchange in one of the embodiments, is different, institute
It is different to state the heat exchange tube diameter that level-one heat-exchanging tube bundle and secondary heat exchange are restrained, a fin pitch of fins for the level-one fin and second level fin
It is identical.
The heat exchanger tube number of rows that the level-one heat-exchanging tube bundle is restrained with secondary heat exchange in one of the embodiments, is different, institute
It is different to state the heat exchange tube diameter that level-one heat-exchanging tube bundle and secondary heat exchange are restrained, a fin pitch of fins for the level-one fin and second level fin
It is different.
The heat exchanger tube number of rows that the level-one heat-exchanging tube bundle and secondary heat exchange are restrained in one of the embodiments, is identical, institute
It is different to state the heat exchange tube diameter that level-one heat-exchanging tube bundle and secondary heat exchange are restrained, a fin pitch of fins for the level-one fin and second level fin
It is different.
The finned heat exchanger further includes shell in one of the embodiments, and the level-one heat-exchanging tube bundle, second level are changed
Heat pipe bundle, level-one fin and second level fin are all set in shell.
The shell is sheet metal component in one of the embodiments,.
First heat exchanger tube and/or second heat exchanger tube are copper pipe in one of the embodiments,.
First heat exchanger tube and/or second heat exchanger tube are U-tube in one of the embodiments,.
The level-one fin and/or the second level fin are plain fin in one of the embodiments,.
Above-mentioned finned heat exchanger divides heat-exchanging tube bundle to two-stage design, and two-stage heat-exchanging tube bundle caliber and a fin pitch of fins can roots
According to needing to be adjusted, there are distances not to contact for two-stage heat-exchanging tube bundle, can prevent heat from conducting in this way, heat exchanger can be allowed to exist
Reach ideal heat transfer effect under different operating conditions.
Detailed description of the invention
Fig. 1 is the side view of the finned heat exchanger of the embodiments of the present invention；
Fig. 2 is the top view of the finned heat exchanger of the embodiments of the present invention.
Specific embodiment
It is the side view of the finned heat exchanger of the embodiments of the present invention, Fig. 2 also referring to Fig. 1 and Fig. 2, Fig. 1
For the top view of the shell-and-tube heat exchanger of the embodiments of the present invention.
In the present embodiment, the finned heat exchanger include level-one heat-exchanging tube bundle 11, secondary heat exchange tube bank 12, it is multiple right
The level-one fin 13 of level-one heat-exchanging tube bundle 11 described in Ying Yu and multiple second level fins 14 corresponding to secondary heat exchange tube bank 12.
Specifically, the level-one heat-exchanging tube bundle 11 includes multiple rows of first heat exchanger tube, and the secondary heat exchange tube bank 12 includes more
It ranked second heat exchanger tube, be separated with pre-determined distance between the secondary heat exchange tube bank 12 and the level-one heat-exchanging tube bundle 11.The level-one is changed
There are distances not to contact between heat pipe bundle 11 and secondary heat exchange tube bank 12, can prevent heat from conducting in this way, pass through air successively
Reach preference temperature after crossing level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12, while heat exchanger can be allowed to assign in different operating conditions
To ideal heat transfer effect.The level-one heat-exchanging tube bundle 11 and the parameter of secondary heat exchange tube bank 12 can be adjusted with actual needs
It is whole.In the present embodiment, the level-one heat-exchanging tube bundle 11 and the parameter of secondary heat exchange tube bank 12 include the level-one heat-exchanging tube bundle
11 and secondary heat exchange tube bank 12 heat exchanger tube number of rows and heat exchange tube diameter.The heat exchange caliber of the level-one heat-exchanging tube bundle 11 and heat exchange
Pipe number of rows, the heat exchange caliber of secondary heat exchange tube bank 12 and heat exchanger tube number of rows can be adjusted according to actual needs.Other
In embodiment, the spacing distance between the level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12 can carry out according to actual needs
Adjustment.
In other embodiments, the level-one heat-exchanging tube bundle 11 may include multiple groups heat-exchanging tube bundle, heat exchanger tube described in multiple groups
Beam divides multilevel design.In other embodiments, the secondary heat exchange tube bank 12 may include multiple groups heat-exchanging tube bundle, change described in multiple groups
Heat pipe bundle divides multilevel design.
Specifically, the level-one fin 13 is sheathed on the level-one heat-exchanging tube bundle 11, and the level-one fin 13 includes multiple
First fin, multiple first fins are axially successively sheathed on the level-one heat-exchanging tube bundle along the level-one heat-exchanging tube bundle 11
11, a first default pitch of fins is spaced between adjacent first fin.The second level fin 14 is sheathed on the secondary heat exchange pipe
Beam 12, the second level fin 14 include multiple second fins, and multiple second fins are axial along secondary heat exchange tube bank 12
It is successively sheathed on the secondary heat exchange tube bank 12, is spaced a second default pitch of fins between adjacent second fin.In this implementation
In example, a fin pitch of fins for the level-one fin 13 and second level fin 14 can be adjusted according to actual needs.In the present embodiment
In, the level-one fin 13 and second level fin 14 are plain fin.In other embodiments, the level-one fin 13 and second level wing
Piece 14 can be the other types of fins such as louvered fin, corrugated fin.
In one of the embodiments, the level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12 heat exchanger tube number of rows not
Together, the level-one heat-exchanging tube bundle 11 is identical with the heat exchange tube diameter of secondary heat exchange tube bank 12, the level-one fin 13 and second level wing
A fin pitch of fins for piece 14 is different.Specifically, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 is restrained greater than the secondary heat exchange
12 heat exchanger tube number of rows, a fin pitch of fins for the level-one fin 13 are greater than a fin pitch of fins for the second level fin 14.It is appreciated that
In other embodiments, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 can be less than the heat exchange of secondary heat exchange tube bank 12
Pipe number of rows, a fin pitch of fins for the level-one fin 13 can be less than a fin pitch of fins for the second level fin 14.
In one of the embodiments, the level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12 heat exchanger tube number of rows not
Together, the level-one heat-exchanging tube bundle 11 is different with the heat exchange tube diameter of secondary heat exchange tube bank 12, the level-one fin 13 and second level wing
A fin pitch of fins for piece 14 is identical.Specifically, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 is restrained greater than the secondary heat exchange
12 heat exchanger tube number of rows, the heat exchange tube diameter of the level-one heat-exchanging tube bundle 11 are greater than the heat exchange tube of secondary heat exchange tube bank 12
Diameter.It is appreciated that in other embodiments, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 can be less than the secondary heat exchange
The heat exchange tube diameter of the heat exchanger tube number of rows of tube bank 12, the level-one heat-exchanging tube bundle 11 can be less than secondary heat exchange tube bank 12
Heat exchange tube diameter.
In one of the embodiments, the level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12 heat exchanger tube number of rows not
Together, the level-one heat-exchanging tube bundle 11 is different with the heat exchange tube diameter of secondary heat exchange tube bank 12, the level-one fin 13 and second level wing
A fin pitch of fins for piece 14 is different.Specifically, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 is restrained greater than the secondary heat exchange
12 heat exchanger tube number of rows, the heat exchange tube diameter of the level-one heat-exchanging tube bundle 11 are greater than the heat exchange tube of secondary heat exchange tube bank 12
Diameter, a fin pitch of fins for the level-one fin 13 are greater than a fin pitch of fins for the second level fin 14.It is appreciated that in other embodiments
In, the heat exchanger tube number of rows of the level-one heat-exchanging tube bundle 11 can be less than the heat exchanger tube number of rows of secondary heat exchange tube bank 12, described
The heat exchange tube diameter of level-one heat-exchanging tube bundle 11 can be less than the heat exchange tube diameter of secondary heat exchange tube bank 12, the level-one fin
A 13 fin pitch of fins can be less than a fin pitch of fins for the second level fin 14.
The heat exchanger tube number of rows phase of the level-one heat-exchanging tube bundle 11 and secondary heat exchange tube bank 12 in one of the embodiments,
Together, the level-one heat-exchanging tube bundle 11 is different with the heat exchange tube diameter of secondary heat exchange tube bank 12, the level-one fin 13 and second level wing
A fin pitch of fins for piece 14 is different.Specifically, the heat exchange tube diameter of the level-one heat-exchanging tube bundle 11 is restrained greater than the secondary heat exchange
12 heat exchange tube diameter, a fin pitch of fins for the level-one fin 13 are greater than a fin pitch of fins for the second level fin 14.It is appreciated that
In other embodiments, the heat exchange tube diameter of the level-one heat-exchanging tube bundle 11 can be less than the heat exchange of secondary heat exchange tube bank 12
Pipe caliber, a fin pitch of fins for the level-one fin 13 can be less than a fin pitch of fins for the second level fin 14.
In the above-described embodiments, by changing the heat exchange caliber of the level-one heat-exchanging tube bundle 11, heat exchanger tube number of rows and described
A fin pitch of fins for level-one fin 13 and second level fin 14 can achieve the effect for changing the finned heat exchanger exchange capability of heat,
So that the finned heat exchanger is adjusted according to actual exchange capability of heat demand, ideal heat exchange is reached under different operating conditions
Effect economizes on resources, and reduces the wasting of resources.
In the present embodiment, first heat exchanger tube and the second heat exchanger tube are copper pipe.In other embodiments, described first
Heat exchanger tube and the second heat exchanger tube can be the heat exchanger tube of the other materials such as steel pipe.
In the present embodiment, first heat exchanger tube and the second heat exchanger tube are U-tube.In other embodiments, described
One heat exchanger tube and the second heat exchanger tube can be the other shapes of heat exchanger tubes such as straight tube.
In the present embodiment, the finned heat exchanger further includes shell 15, the level-one heat-exchanging tube bundle 11, secondary heat exchange
Tube bank 12, level-one fin 13 and second level fin 14 are all set in shell 15, and the shell 15 is sheet metal component.
It is appreciated that the finned heat exchanger can also include the devices such as pipeline fitting, partition, deflector, herein no longer
It repeats.
Above-mentioned finned heat exchanger divides heat-exchanging tube bundle to two-stage design, and two-stage heat-exchanging tube bundle caliber and a fin pitch of fins can roots
According to needing to be adjusted, there are distances not to contact for two-stage heat-exchanging tube bundle, can prevent heat from conducting in this way, heat exchanger can be allowed to exist
Reach ideal heat transfer effect under different operating conditions, economize on resources, reduces the wasting of resources.The finned heat exchanger can be super simultaneously
Refrigeration under low-temperature environment heating, expands the applicable working condition of heat exchanger.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of finned heat exchanger characterized by comprising
Level-one heat-exchanging tube bundle, including multiple rows of first heat exchanger tube；
Secondary heat exchange tube bank, including multiple rows of second heat exchanger tube are separated between the secondary heat exchange tube bank and the level-one heat-exchanging tube bundle
Pre-determined distance；
Multiple level-one fins corresponding to the level-one heat-exchanging tube bundle, the level-one fin are sheathed on the level-one heat-exchanging tube bundle,
Preset a pitch of fins in adjacent level-one fin interval first；And
Multiple second level fins corresponding to secondary heat exchange tube bank, the second level fin are sheathed on the secondary heat exchange tube bank,
Preset a pitch of fins in adjacent second level fin interval second.
2. finned heat exchanger according to claim 1, which is characterized in that the level-one heat-exchanging tube bundle and secondary heat exchange pipe
The heat exchanger tube number of rows of beam is different, and the heat exchange tube diameter that the level-one heat-exchanging tube bundle and secondary heat exchange are restrained is identical, the level-one wing
Piece is different with a fin pitch of fins for second level fin.
3. finned heat exchanger according to claim 1, which is characterized in that the level-one heat-exchanging tube bundle and secondary heat exchange pipe
The heat exchanger tube number of rows of beam is different, and the heat exchange tube diameter that the level-one heat-exchanging tube bundle and secondary heat exchange are restrained is different, the level-one wing
Piece is identical with a fin pitch of fins for second level fin.
4. finned heat exchanger according to claim 1, which is characterized in that the level-one heat-exchanging tube bundle and secondary heat exchange pipe
The heat exchanger tube number of rows of beam is different, and the heat exchange tube diameter that the level-one heat-exchanging tube bundle and secondary heat exchange are restrained is different, the level-one wing
Piece is different with a fin pitch of fins for second level fin.
5. finned heat exchanger according to claim 1, which is characterized in that the level-one heat-exchanging tube bundle and secondary heat exchange pipe
The heat exchanger tube number of rows of beam is identical, and the heat exchange tube diameter that the level-one heat-exchanging tube bundle and secondary heat exchange are restrained is different, the level-one wing
Piece is different with a fin pitch of fins for second level fin.
6. finned heat exchanger according to claim 1, which is characterized in that the finned heat exchanger further includes shell,
The level-one heat-exchanging tube bundle, secondary heat exchange tube bank, level-one fin and second level fin are all set in shell.
7. finned heat exchanger according to claim 6, which is characterized in that the shell is sheet metal component.
8. finned heat exchanger according to claim 1, which is characterized in that first heat exchanger tube and/or described second
Heat exchanger tube is copper pipe.
9. finned heat exchanger according to claim 1, which is characterized in that first heat exchanger tube and/or described second
Heat exchanger tube is U-tube.
10. finned heat exchanger according to claim 1, which is characterized in that the level-one fin and/or the second level wing
Piece is plain fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838402.2U CN208765534U (en) | 2018-05-31 | 2018-05-31 | Finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820838402.2U CN208765534U (en) | 2018-05-31 | 2018-05-31 | Finned heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765534U true CN208765534U (en) | 2019-04-19 |
Family
ID=66126482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820838402.2U Expired - Fee Related CN208765534U (en) | 2018-05-31 | 2018-05-31 | Finned heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208765534U (en) |
-
2018
- 2018-05-31 CN CN201820838402.2U patent/CN208765534U/en not_active Expired - Fee Related
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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: 20190419 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |