| Message: | The single metal finned tube is of a wound type, and the fins are inverted Y-shaped. It is to fix the base pipe on a 360° rotating drive winding device, and then select different types of fixtures according to different sheet height and chip spacing. The fins are strip-shaped, and the initial molding passes through the jig by mechanical tension to wrap the fins on the base pipe at a time.
Single metal finned tube features:
1. The sheet distance is relatively large, from 3.2-8mm, the sheet thickness is generally 0.2-0.5mm, the unit heat exchange area is small, and the contact thermal resistance is relatively large.
2. Since the single metal finned tube is standing on the base pipe evenly by the bottom wrinkle, the bottom wrinkle can play a certain turbulence effect on the air outside the pipe, which is beneficial to heat transfer enhancement. At the same time, the bottom wrinkles also increase the gas side resistance, and it is easy to produce ash accumulation in the wrinkles, which makes it difficult for the condensate to be removed and the dust to be cleaned.
3. The single metal finned tube also has the characteristics of convenient material selection, low processing difficulty and light manufacturing cost. The fins of the single metal finned tube do not completely cover the base pipe, and the base pipe is exposed to the air and is prone to corrosion. url:http://www.acreemetal.com |
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