Elliptic finned tubes, also known as elliptic finned tubes, are highly efficient heat transfer elements that are widely used in various industrial fields. The following is a detailed introduction to the elliptical fin tube:
I. Definition and structure
The elliptic fin tube is a heat exchange element composed of an elliptic tube and an outer fin. Its section is elliptical, and this shape makes the finned tube have higher structural strength and compressive resistance while maintaining good heat transfer performance. Common types of elliptic finned tubes include elliptic rectangular finned tubes, elliptic elliptic finned tubes, elliptic circular finned tubes, spiral elliptic flat tubes and elliptic H-shaped finned tubes.
2. Advantages and characteristics
Compact arrangement: The elliptical fin tube is easier to achieve a compact arrangement, so that the overall volume of the entire heat exchanger is reduced, thus reducing the footprint.
Small resistance: Due to the shape characteristics of the elliptical fin tube, the air side resistance is small, and the heat transfer coefficient between the fluids is increased; The thermal resistance in the tube is relatively small, which increases the heat transfer of the fluid in the tube.
High heat transfer efficiency: the heat transfer area of the elliptical fin tube is greater than that of the circular tube with the same cross-sectional area, because the heat transfer perimeter of the elliptical tube is longer under the same cross-sectional area. In addition, the presence of fins allows heat to be transferred more quickly from the pipe to the surrounding air, improving the thermal efficiency of the heating system.
High structural strength: The elliptic fin tube has high structural strength and pressure resistance, and can withstand high pressure and temperature changes.
Strong adaptability: The elliptical fin tube can be customized according to the requirements of the heating system, including pipe size, fin density, material selection, etc., thus ensuring the match with the heating system and improving the efficiency and performance of the system.
3. Application fields
Elliptical fin tubes have been widely used in ethylene, oil refining and other industrial fields, as well as hot water pipes and steam pipes in heating systems. Its high heat transfer efficiency can play a role in energy saving and emission reduction in heating systems, while providing uniform heat distribution and improving the uniformity and comfort of indoor temperature.
Fourth, production technology and development trend
Elliptic finned tube is a kind of finned tube with elliptic section made by special processing technology on the basis of ordinary round tube. With the continuous development of industrial technology and people's increasing attention to energy efficiency, elliptical fin tube as a high efficiency and energy saving heat transfer element has broad application prospects. In the future, with the continuous emergence of new materials and new processes and the continuous expansion of application fields, elliptical fin tubes will play their unique advantages in more fields and make greater contributions to the efficient and stable operation of industrial production.
To sum up, elliptic finned tubes play an important role in industrial fields and heating systems with their unique structure and excellent performance. With the continuous progress of technology and the continuous expansion of application fields, the application prospects of elliptical fin tubes will be more broad.
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Specification
| Type | Description | Base tube | Base tube | Fin specification | |||||
| O.D. (mm) | O.D. (inch) | Fin pitch(mm) | Fin pitch(FPI) | Fin height(mm) | Fin height(inch) | Fin thick(mm) | Fin thick(inch) | ||
| Embedded | G Type Embedded/ Grooved Fin Tube | 14-51 | 0.5-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 |
| L Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| LL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| KL Type Embedded/Wrap Around Fin Tube | 10-51 | 0.4-2 | 2--6 | 3--14 FPI | 7--17 | 0.27--0.669 | 0.35--2 | 0.0137-0.0787 | |
| Extruded | Carbon base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 |
| Stainless base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Copper base tube | 15.88--50.8 | 0.625--2 | 1.8-8 | 3--14 FPI | 5--16 | 0.2--0.63 | 0.3-1.2 | 0.012--0.047 | |
| Low Fin Tubes ( Integral Fin Tube ) | Carbon Steel, stainless steel, titanium, copper, brass, nickel alloy. | 6.35--38 | 0.25--1.5 | 2.8--12.7 | 2--9FPI | 0.38--1.27 | 0.015 --0.050 | ||
| High Frequency Welding Fin tube | Solid Helical Fin Tubes | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 |
| Serrated Helical Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | 1--3 | 0.0393--0.1181 | |
| H/HH Type Rectangular Fin tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | <219 | <8 | 1--3 | 0.0393--0.1181 | |
| Studded Fin Tube | 15.88--273.1 | 0.625--10 | 3--25 | 0.118--1 | 5--30 | 0.196--11.811 | φ5-20 | ||
| Elliptical/Oval Fin tube | Hot dipped galvanized | 36*14 | 2.5--3 | 0.0984--0.118 | 55*26 | 0.25 | 0.0098 | ||
| Laser Fin tube | Copper,Brass,nickel | 10--45 | 0.393--1.771 | 2--10 | 0.0787-0.3937 | 5--23 | 0.196--0.905 | 0.3-1.2 | 0.011--0.047 |
