HE Finned Tube
Introduction
Winding finned tube is a kind of finned tube with simple manufacturing process. It relies on mechanical force to wrap the steel strip directly around the steel tube, with the spacing between 3.2 and 8.0.
Usually, the base tube of the finned tube is seamless steel tube or stainless steel tube, and the material of the steel strip is also carbon steel or stainless steel.
Advantages
The steel strip near the base tube has a distinct wrinkle, which allows the steel strip to stand tightly on the base tube by mechanical tension without collapsing, and the wrinkled steel strip also allows the gas outside the penetrating tube to produce an impact turbulence, which promotes heat transfer.
The winding finned tube is convenient to take materials, low processing difficulty, and light manufacturing cost.
Disadvantages
The base tube and the steel strip are only in close contact by tension, so the contact heat resistance is relatively large.
Application
It's mainly used in the petrochemical, electric power, paper making, tobacco, building heating and other industries air cooler, air heater and food industry vegetable protein powder, starch and other spray drying system air heater.
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