CN112146501A - Fin applied to air-cooled condenser and application method - Google Patents
Fin applied to air-cooled condenser and application method Download PDFInfo
- Publication number
- CN112146501A CN112146501A CN202011014110.5A CN202011014110A CN112146501A CN 112146501 A CN112146501 A CN 112146501A CN 202011014110 A CN202011014110 A CN 202011014110A CN 112146501 A CN112146501 A CN 112146501A
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- China
- Prior art keywords
- air
- fin
- disturbing
- fins
- heat exchange
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
Abstract
The fin applied to the air-cooled condenser and the application method are refrigeration device technologies, which solve the problems of other technologies at present, a corrugated structure with the width of 5-15mm is arranged on a thin aluminum fin, a perforation is arranged on the fin with the corrugated structure, the top end in the middle of each corrugation is a disturbing wind convex plane, the width of the disturbing wind convex plane is 1-3mm, and the included angle between the disturbing wind convex plane and two side walls is 5-15 degrees; the diameter of the through hole is 5-15mm, the edge of the through hole is provided with an inner step, and the height of the inner step is 0.5-1.5 mm.
Description
Technical Field
The invention relates to a component of a refrigerating device, in particular to a fin applied to an air-cooled condenser and an application method.
Background
The fins originally applied to the condenser are made of various materials and have different specifications, and meet the refrigeration requirements of enterprises to a certain extent, but the fins have problems in different degrees, and some fins are rusted for a long time; some have low heat exchange efficiency and waste energy.
Disclosure of Invention
The invention aims to provide a fin with higher heat exchange efficiency applied to an air-cooled condenser and an application method, which solve the problems of other prior arts, and the invention aims to realize the purpose that a corrugated structure with the width of 5-15mm is arranged on a thin aluminum fin, a perforation is arranged on the fin with the corrugated structure, the top end in the middle of each corrugation is a disturbing wind convex plane, the width of the disturbing wind convex plane is 1-3mm, and the included angle between the disturbing wind convex plane and two side walls is 5-15 degrees; the diameter of the through hole is 5-15mm, the edge of the through hole is provided with an inner step, and the height of the inner step is 0.5-1.5 mm.
The back of the fin is provided with a plurality of rows of disturbing air grooves corresponding to the disturbing air convex plane on the front, the width of the bottom plane of each disturbing air groove is 1-3mm, each row of the plurality of rows of disturbing air grooves is provided with a row of through holes at intervals, and the through holes on the front are the same; the edge of the through hole is provided with a connecting hole wall, and the height of the connecting hole wall is 1-4 mm.
The perforations on the two adjacent rows of fins are arranged in a staggered manner; the distance between the centers of two adjacent rows of perforations is 20-30mm, and the distance between the centers of every two adjacent rows of perforations is 20-30 mm.
The application method of the invention is that the condenser core comprises a plurality of groups of plate penetrating assemblies, fins are arranged on the plurality of groups of plate penetrating assemblies, a plurality of heat exchange coil pipes are penetrated on the plate penetrating assemblies, the fins with indefinite number are penetrated on the heat exchange coil pipes, and the heat exchange coil pipes are connected and fixed by connecting elbows and are communicated with each other; one end of the air exchange coil pipe is provided with an air inlet pipe assembly, and the other end of the air exchange coil pipe is provided with a liquid outlet pipe assembly; when the refrigerant passes through the heat exchange coil and the fins, the corrugated structure of the fins can play a role in disturbing the wind layers, so that the temperature difference of each wind layer is better reduced, and the heat value contained in unit air volume is greatly increased; under the same heat exchange area, the heat exchange efficiency of the corrugated fins is obviously improved compared with that of the common flat plate.
The invention has the significance that the fin has long service life; the energy is saved; the staggered arrangement mode is adopted, so that the structure is reasonable; the heat exchange coil pipe and the aluminum fins are tightly combined by using the mechanical tube expansion, and the heat exchange efficiency is high.
Drawings
Fig. 1 is a front view of a fin applied to an air-cooled condenser, wherein the fin 1, the fin 2, a perforation 3, an inner step 4, a disturbing wind convex plane 5 and a side wall are shown in the figure.
Fig. 2 is a rear view of a fin applied to an air-cooled condenser, wherein the fin 1, the fin 2, a through hole 6 and a connecting hole wall are shown.
Fig. 3 is a side view of a fin applied to an air-cooled condenser, wherein 1, the fin 6 and a connecting hole wall are shown.
Fig. 4 is a bottom view of a fin applied to the air-cooled condenser, wherein the fin 1, the fin 6, the connecting hole wall 7 and the disturbing air channel are shown.
Fig. 5 is a fin assembly diagram applied to an air-cooled condenser, wherein the fin assembly diagram comprises a fin 1, a fin 8, a core 9, a connecting elbow 10 and a heat exchange coil.
Detailed Description
In the embodiment 1 and the invention, a corrugated structure with the width of 5-15mm is arranged on an aluminum sheet fin 1, a perforation 2 is arranged on the fin 1 with the corrugated structure, the top end in the middle of each corrugation is a disturbing wind convex plane 4, the width of the disturbing wind convex plane 4 is 1-3mm, and the included angle between the disturbing wind convex plane 4 and two side walls 5 is 5-15 degrees; the diameter of the through hole 2 is 5-15mm, the edge of the through hole 2 is provided with an inner step 3, and the height of the inner step 3 is 0.5-1.5 mm.
In embodiment 2, a plurality of rows of disturbing air grooves 7 are formed in the back surface of the fin 1, the disturbing air grooves 7 correspond to the disturbing air convex planes 4 on the front surface, the width of the bottom plane of each disturbing air groove 7 is 1-3mm, a row of perforations 2 are formed at intervals on the plurality of rows of disturbing air grooves 7, and the perforations on the front surface are the same; the edge of the through hole 2 is provided with a connecting hole wall 6, and the height of the connecting hole wall 6 is 1-4 mm.
Example 3, the perforations 2 on the two adjacent rows of fins are staggered; the distance between the centers of two adjacent rows of the perforations 2 is 20-30mm, and the distance between the centers of every two adjacent rows of the perforations 2 is 20-30 mm.
Embodiment 4, the application method of the present invention is that the condenser core 8 includes multiple sets of plate penetrating assemblies, the multiple sets of plate penetrating assemblies have fins 1, the plate penetrating assemblies are penetrated with multiple heat exchange coils 10, the fins 1 with indefinite number are penetrated on the heat exchange coils 10, and the heat exchange coils 10 are connected and fixed by connecting elbows 9 and communicated with each other; one end of the air exchange coil pipe 10 is an air inlet pipe component, and the other end thereof is a liquid outlet pipe component; when the refrigerant passes through the heat exchange coil 10 and the fins 1, the corrugated structure of the fins 1 can play a role in disturbing the wind layers, so that the temperature difference of each wind layer is better reduced, and the calorific value contained in unit air volume is greatly improved; under the same heat exchange area, the heat exchange efficiency of the corrugated fins is obviously improved compared with that of the common flat plate.
Claims (4)
1. The fin applied to the air-cooled condenser is characterized in that: the fin (1) with the corrugated structure is provided with a corrugated structure with the width of 5-15mm, the fin (1) with the corrugated structure is provided with a through hole (2), the top end in the middle of each corrugation is provided with a disturbing wind convex plane (4), the width of the disturbing wind convex plane (4) is 1-3mm, and the included angle between the disturbing wind convex plane (4) and the two side walls (5) is 5-15 degrees; the diameter of the through hole (2) is 5-15mm, an inner step (3) is arranged at the edge of the through hole (2), and the height of the inner step (3) is 0.5-1.5 mm.
2. The fin for an air-cooled condenser as set forth in claim 1, wherein: the fin is characterized in that the back of the fin (1) is provided with a plurality of rows of disturbing air grooves (7), the disturbing air grooves (7) correspond to the disturbing air convex planes (4) on the front, the width of the bottom plane of each disturbing air groove (7) is 1-3mm, every other row of the plurality of rows of disturbing air grooves (7) is provided with a row of through holes (2), and the through holes on the front are the same hole; the edge of the through hole (2) is provided with a connecting hole wall (6), and the height of the connecting hole wall (6) is 1-4 mm.
3. The fin for an air-cooled condenser as set forth in claim 1, wherein: the perforations (2) on the two adjacent rows of fins are arranged in a staggered manner; the distance between the centers of two adjacent rows of perforations (2) is 20-30mm, and the distance between the centers of every two adjacent rows of perforations (2) is 20-30 mm.
4. The method of claim 1 for applying fins to an air-cooled condenser, wherein: the condenser core body (8) comprises a plurality of groups of plate penetrating assemblies, fins (1) are arranged on the plurality of groups of plate penetrating assemblies, a plurality of heat exchange coils (11) are penetrated on the plate penetrating assemblies, the fins (1) with indefinite number are penetrated on the heat exchange coils (11), and the heat exchange coils (11) are connected and fixed through connecting elbows (9) and are communicated with each other; one end of the air exchange coil pipe (11) is provided with an air inlet pipe assembly, and the other end of the air exchange coil pipe is provided with a liquid outlet pipe assembly; when the refrigerant passes through the heat exchange coil (11) and the fins (1), the corrugated structure of the fins (1) can play a role of disturbing the wind layers, so that the temperature difference of each wind layer is better reduced, and the calorific value contained in unit air volume is greatly improved; under the same heat exchange area, the heat exchange efficiency of the corrugated fins is obviously improved compared with that of the common flat plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011014110.5A CN112146501A (en) | 2020-09-24 | 2020-09-24 | Fin applied to air-cooled condenser and application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011014110.5A CN112146501A (en) | 2020-09-24 | 2020-09-24 | Fin applied to air-cooled condenser and application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112146501A true CN112146501A (en) | 2020-12-29 |
Family
ID=73896497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011014110.5A Pending CN112146501A (en) | 2020-09-24 | 2020-09-24 | Fin applied to air-cooled condenser and application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112146501A (en) |
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2020
- 2020-09-24 CN CN202011014110.5A patent/CN112146501A/en active Pending
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