CN203704745U - Heat exchange tube for evaporative condenser - Google Patents
Heat exchange tube for evaporative condenser Download PDFInfo
- Publication number
- CN203704745U CN203704745U CN201420081126.1U CN201420081126U CN203704745U CN 203704745 U CN203704745 U CN 203704745U CN 201420081126 U CN201420081126 U CN 201420081126U CN 203704745 U CN203704745 U CN 203704745U
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- Prior art keywords
- tube
- inner tube
- heat exchange
- outer tube
- lower inner
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Abstract
The utility model discloses a heat exchange tube for an evaporative condenser, belongs to the field of the parts for a condenser of a refrigerating system, and provides a heat exchange tube, which is high in heat transfer efficiency and used for exchanging heat for a gaseous-state refrigerant and a liquid-state refrigerant in the heat exchange tube, respectively, for the evaporative condenser. The heat exchange tube for the evaporative condenser comprises an outer tube of which the cross section is elliptically shaped, and also an upper inner tube and a lower inner tube; the upper inner tube is arranged at the upper part of the inner cavity of the outer tube, while the lower inner tube is arranged at the lower part of the inner cavity of the outer tube, and the diameter of the upper inner tube is greater than that of the lower inner tube. Due to the arranged upper inner tube and the lower inner tube, heat exchange can be realized even inside the outer tube, and therefore, the heat exchange efficiency is improved; meanwhile, the upper inner tube mainly aims at exchanging heat with the gaseous-state refrigerant at the upper part of the inner cavity of the outer tube, while the lower inner tube mainly aims at exchanging heat with the liquid-state refrigerant at the lower part of the inner cavity of the outer tube, and therefore, separate heat exchange of the gaseous-state refrigerant and the liquid-state refrigerant is realized, and consequently, the heat exchange efficiency is further improved.
Description
Technical field
The utility model belongs to the part field of refrigeration system condenser, relates in particular to a kind of heat exchanger tube for evaporative condenser.
Background technology
The heat exchanger tube that evaporative condenser adopts at present only has a single tube conventionally, and its shortcoming is as follows:
1. the moisture film outside heat exchanger tube has become the main thermal resistance of heat exchange, and the heat of tube refrigerant can not be delivered to external environment fast, makes overall heat transfer coefficient low, causes the heat transfer efficiency of whole condenser low.
2. the cold-producing medium in heat exchanger tube, along with the reduction of temperature, the condensation of refrigerant of part gaseous state be after liquid state in pipe bottom mobile, due to cold-producing medium gaseous state and when liquid and the heat transfer coefficient difference of heat exchanger tube very large, add that gaseous state and liquid entrained heat difference are also very large, and adopt the heat exchanger tube of common single tube form, and the heat exchange of gaseous state and liquid refrigerant is not had to specific aim, cause heat transfer efficiency low.
Utility model content
The technical problem that the utility model solves is to provide a kind of high heat exchanger tube for evaporative condenser of heat transfer efficiency that carries out respectively heat exchange for gaseous state in heat exchanger tube and liquid refrigerant.
The utility model solves the technical scheme that its technical problem adopts: for the heat exchanger tube of evaporative condenser, comprise outer tube, the shape of cross section of described outer tube is oval; Also comprise inner tube and lower inner tube, described upper inner tube is arranged on the top of outer tube bore, and described lower inner tube is arranged on the bottom of outer tube bore, and the caliber of upper inner tube is greater than the caliber of lower inner tube.
Further: the outer wall of the inwall of described outer tube and described upper inner tube and lower inner tube adopts the micro-rib structure of circular arc corrugated.
Further: described upper inner tube and lower inner tube adopt copper material to make, and described outer tube adopts galvanizing steel pipe.
The beneficial effects of the utility model are: by inner tube and lower inner tube are set in shape of cross section is oval-shaped outer tube, make portion within the outer tube also can carry out heat exchange, improved heat transfer efficiency; Go up simultaneously inner tube within the outer tube the top cold-producing medium main and gaseous state in chamber carry out heat exchange, lower the inner tube within the outer tube main and liquid cold-producing medium in bottom in chamber is carried out heat exchange, realize and carry out respectively heat exchange for gaseous state and liquid cold-producing medium, and consider that the required heat exchange amount of gaseous refrigerant is greater than the required heat exchange amount of liquid refrigerant conventionally, therefore the caliber of upper inner tube is made to the caliber that is greater than lower inner tube, make the exchange capability of heat of inner tube be greater than the exchange capability of heat of lower inner tube, so more meet heat exchanger tube real work situation, further improve heat transfer efficiency.
Accompanying drawing explanation
Fig. 1 is the cross section view of the heat exchanger tube for evaporative condenser described in the utility model;
In figure, be labeled as: outer tube 1, upper inner tube 2, lower inner tube 3, the micro-rib 4 of circular arc corrugated.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further illustrated.But the claimed technical scheme of the utility model is not limited in the following stated embodiment.
As shown in Figure 1, the utility model, comprises outer tube 1, and the shape of cross section of described outer tube 1 is oval; Also comprise inner tube 2 and lower inner tube 3, described upper inner tube 2 is arranged on the top of outer tube 1 inner chamber, and described lower inner tube 3 is arranged on the bottom of outer tube 1 inner chamber, and the caliber of upper inner tube 2 is greater than the caliber of lower inner tube 3.The shape of cross section of described outer tube 1 is oval, and its effect is rocking of the upper inner tube 2 of restriction and lower inner tube 3, and outer tube 1 adopts the ellipsoidal structure can be higher than the heat transfer efficiency that adopts circular configuration simultaneously; And the evaporative condenser that adopts the outer tube 1 of ellipsoidal structure to make, can reduce the head-on windage of heat exchanger tube entirety, and then reduce the power consumption that is equipped with blower fan.
In working order time, the major axis of the oval cross section of outer tube 1 should be at vertical direction, minor axis should be in the horizontal direction, will be at the interior condensed liquid refrigerant of outer tube 1 like this that the bottom of outer tube 1 inner chamber is main carries out heat exchange with lower inner tube 3, the cold-producing medium of gaseous state is in the top of outer tube 1 inner chamber and mainly carries out heat exchange with upper inner tube 2, realize and carry out respectively heat exchange for gaseous state and liquid cold-producing medium, consider that in real work situation, the required heat exchange amount of gaseous refrigerant is greater than the required heat exchange amount of liquid refrigerant conventionally, therefore the caliber of upper inner tube 2 is made to the caliber that is greater than lower inner tube 3, make the exchange capability of heat of inner tube 2 be greater than the exchange capability of heat of lower inner tube 3.The flow that can also go up the cooling water in inner tube 2 or lower inner tube 3 by adjusting is in addition the heat transfer of regulation and control and gaseous state or liquid refrigerant respectively.
Upper inner tube 2 and the position relationship of lower inner tube 3 in outer tube 1 inner chamber should be followed aforesaid way, simultaneously its size should meet not only convenient be assembled in outer tube 1 but also be unlikely to assembling after each other excesssive gap cause inner tube 2 and lower inner tube 3 excessive in outer tube 1 inside shaking amount.Upper inner tube 2 and lower inner tube 3 are directly placed on outer tube 1 inside conventionally, and three is in contact with one another by wall the restriction that realizes position each other.
The outer wall of the inwall of outer tube 1 and upper inner tube 2 and lower inner tube 3 adopts micro-rib 4 structures of circular arc corrugated, can further increase like this overall heat exchange area, improves heat transfer efficiency.
Consider the impact of material heat transfer coefficient on heat transfer efficiency, upper inner tube 2 and lower inner tube 3 select to adopt copper material to make, and outer tube 1 adopts galvanizing steel pipe, can make like this heat exchanger tube entirety have higher heat transfer efficiency and good resistance to corrosion.
Further describe the heat transfer process of the utility model in working order time below:
In oval outer tube 1, pass into the cold-producing medium that needs heat exchange, in upper inner tube 2 and lower inner tube 3, pass into cooling water, spray cooling water in the outside of outer tube 1 simultaneously, cold-producing medium in outer tube 1 both can be by having carried out heat exchange with the cooling water of outside sprinkling like this, also can by with upper inner tube 2 and lower inner tube 3 in cooling water carry out heat exchange, simultaneously the gaseous refrigerant in outer tube 1 and liquid refrigerant can also be respectively main with upper inner tube 2 and lower inner tube 3 in cooling water carry out heat exchange.
Claims (3)
1. for the heat exchanger tube of evaporative condenser, comprise outer tube (1), the shape of cross section of described outer tube (1) is oval, it is characterized in that: also comprise inner tube (2) and lower inner tube (3), described upper inner tube (2) is arranged on the top of outer tube (1) inner chamber, described lower inner tube (3) is arranged on the bottom of outer tube (1) inner chamber, and the caliber of upper inner tube (2) is greater than the caliber of lower inner tube (3).
2. the heat exchanger tube for evaporative condenser as claimed in claim 1, is characterized in that: the outer wall of the inwall of described outer tube (1) and described upper inner tube (2) and lower inner tube (3) adopts the micro-rib of circular arc corrugated (4) structure.
3. the heat exchanger tube for evaporative condenser as claimed in claim 1 or 2, is characterized in that: described upper inner tube (2) and lower inner tube (3) adopt copper material to make, and described outer tube (1) adopts galvanizing steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081126.1U CN203704745U (en) | 2014-02-25 | 2014-02-25 | Heat exchange tube for evaporative condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420081126.1U CN203704745U (en) | 2014-02-25 | 2014-02-25 | Heat exchange tube for evaporative condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203704745U true CN203704745U (en) | 2014-07-09 |
Family
ID=51055169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420081126.1U Expired - Fee Related CN203704745U (en) | 2014-02-25 | 2014-02-25 | Heat exchange tube for evaporative condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203704745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489296A (en) * | 2018-06-11 | 2018-09-04 | 湖南元亨科技股份有限公司 | A kind of multiple cooling type backflow-type closed tower of shell-tube type |
-
2014
- 2014-02-25 CN CN201420081126.1U patent/CN203704745U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489296A (en) * | 2018-06-11 | 2018-09-04 | 湖南元亨科技股份有限公司 | A kind of multiple cooling type backflow-type closed tower of shell-tube type |
| CN108489296B (en) * | 2018-06-11 | 2024-04-16 | 湖南元亨科技股份有限公司 | Shell-and-tube type multiple cooling type countercurrent closed tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20170225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |