Product details
The core of the bellows heat exchanger lies in its bellows. The structure of this tube changes periodically, causing disturbances when the fluid flows in the tube, thereby enhancing the heat transfer effect. In addition, the contraction and expansion characteristics of the bellows give it the ability to compensate, adapt to the expansion and contraction of the tube caused by temperature changes, avoid damage to other parts of the heat exchanger, and this "expansion and contraction" also helps prevent scaling.
Design of bellows heat exchange tube
Corrugated structure
The outer wall of the heat exchange tube is spirally corrugated (such as U-shaped and Ω-shaped corrugations), which increases the heat exchange area by 30%-50% compared to the bare tube, while destroying the fluid boundary layer and reducing the tendency of scaling.
Flexible compensation
The elastic structure of the bellows can automatically compensate for thermal expansion (deformation of the tube shell caused by temperature difference), without the need for additional expansion joints, simplifying the structure and reducing the risk of leakage.
Flow channel optimization
Turbulence enhancement
The corrugated structure forces the fluid to generate turbulence, and the heat transfer coefficient is 20%-40% higher than that of the light tube heat exchanger, which is especially suitable for high viscosity media (such as heavy oil and syrup).
Self-cleaning ability
The fluid forms a flushing effect in the corrugated gap, reducing the deposition of solid particles or colloids and reducing the cleaning frequency.
Compact structure
With the same heat exchange area, the volume of the bellows heat exchanger is 15%-30% smaller than that of the traditional shell and tube heat exchanger, which saves installation space and is suitable for space-constrained scenarios.
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