Aluminum Extruded Fin Tubes: Advanced Thermal Solution for Wool Drying Applications

Aluminum extruded fin tubes increase wool drying efficiency by 20%-30% with the rapid heat conduction of aluminum and the stable support of steel, while uniform heat dissipation ensures quality. This innovative combination not only reduces energy consumption by 15%-20%, but also helps enterprises to produce efficiently and energy-saving with high cost performance.

1. Aluminum extruded fin tubes The efficient heat conduction of aluminum accelerates heat transfer

Rapid heating shortens drying time: Aluminum has excellent thermal conductivity and can quickly absorb heat from the heat source and quickly transfer it to the surrounding environment. In the oven used to dry wool, the aluminum fins in the aluminum extruded fin tubes can dissipate heat into the oven space in a short time, allowing the oven to heat up quickly.

Compared with traditional single-material fin tubes, the oven using aluminum extruded fin tubes can shorten the time to reach the set drying temperature by 20%-30%, greatly improving the drying efficiency of wool, reducing the overall drying time, and improving production efficiency.

Uniform heat dissipation ensures wool quality: aluminum fins not only conduct heat quickly, but also achieve relatively uniform heat transfer.

In the oven, uniform heat distribution can avoid local overheating or uneven heating of wool. Wool fibers are sensitive to temperature. If the local temperature is too high, it is easy to cause wool fiber damage, yellowing or even burning, affecting the quality and subsequent processing performance of wool.

The aluminum fins of the aluminum extruded fin tube can evenly distribute heat to every corner of the oven, so that the wool can be dried in a mild and uniform temperature environment, effectively ensuring the quality of the wool and reducing the defective rate.

2. The aluminum extruded fin tube adopts a steel-aluminum combination structure to enhance practicality

Steel ensures structural strength: In the aluminum extruded fin tube, the steel part provides solid support for the entire structure.

During the operation of the oven, the interior will be in a high temperature environment and may be accompanied by a certain airflow pressure. Steel has high strength and good high temperature resistance, can withstand the complex working conditions in the oven, and ensure that the fin tube will not be deformed or damaged during long-term use.

Optimize the combination to reduce costs: Combining aluminum and steel, while ensuring performance, it reduces costs. Aluminum is relatively cheap and lightweight. The extensive use of aluminum fins can reduce material costs and overall equipment weight while meeting the requirements of efficient heat conduction.

Steel is used for key supporting structural parts to ensure the reliability of finned tubes. This combination of steel and aluminum makes aluminum extruded finned tubes more cost-effective in the application of drying wool in ovens, saving production costs for enterprises.

3. Significant drying effect of aluminum extruded finned tubes in actual applications

Improve production efficiency: In actual wool drying production, ovens using aluminum extruded finned tubes can achieve higher production efficiency, and enterprises can complete order tasks in a shorter time, meet market demand, and enhance the competitiveness of enterprises.

Energy-saving and environmental protection advantages: Since steel-aluminum composite finned tubes can transfer heat quickly and evenly, the time required for the oven to reach the set temperature is shortened, and energy consumption is also reduced accordingly.

The efficient drying process avoids energy waste caused by repeated drying or incomplete local drying. Compared with traditional ovens, ovens using aluminum extruded fin tubes can reduce energy consumption by 15% – 20%. While achieving efficient drying, it also complies with the development trend of energy conservation and environmental protection.

What are Aluminum Extruded Fin Tubes?

The aluminum extruded fin tube represents a breakthrough in thermal engineering, combining aluminum’s superior thermal conductivity (237 W/m·K) with steel’s structural integrity to optimize wool drying processes. This composite design achieves 20-30% faster drying cycles while reducing energy consumption by 15-20% compared to conventional systems.

Manufacturing Process

1. Material Preparation
   • Base tube: Carbon steel (OD 25-50mm, thickness 2-3mm)
   • Aluminum sleeve: Pure aluminum (99.5% Al) extruded over steel tube
2. Extrusion Process
   • Hydraulic press applies 800-1200 tons force at 450-500°C
   • Aluminum flows through dies to form integrated fins (height 12-20mm, thickness 1-1.5mm)
3. Finishing
   • Air cooling to room temperature
   • Surface anodization (optional) for corrosion resistance

Performance Parameters

ParameterValue RangeMeasurement UnitThermal Conductivity180-210W/m·KFin Density200-350fins/meterWorking Temperature≤350°CHeat Transfer Coefficient45-65W/m²·KPressure Resistance≤2.5MPa

Operational Advantages in Wool Drying

• Uniform Heat Distribution: ±2°C temperature variation across drying chamber prevents wool fiber damage
• Energy Efficiency: 15-20% reduction in steam consumption compared to smooth tubes
• Structural Stability: Steel core maintains dimensional accuracy at continuous 300°C operation

Conclusion

The aluminum extruded fin tube technology demonstrates exceptional performance in wool drying applications, achieving the dual objectives of production efficiency and energy conservation. Its optimized heat transfer characteristics and robust construction make it ideal for industrial-scale textile processing.