Drying drum

Rotary drum, also named rotary dryer, is a machine for drying process, which people call rotary drying. It’s a special kiln that usually co-works with burning system, like coal burner or oil burner. The heat goes through its inner cylinder, dehydrating the material inside. The materials can be added in and withdrawn during the drying process, so it can work continuously.

The rotary dryer can be adopted in different kinds of machines that need drying process.

Classifications

The rotary drying contains single-cylinder drying drum, twin-cylinder drying drum and multiple cylinder drying drum.

Working principle
Picture of the shovelling plates in the rotary dryer

Material goes in from one side of the rotary dryer, and goes out from the other side. And the hot air (heat) generated by burner passes through the dryer to raise the inner temperature. The inner cylinder has many shoveling plates, which scoop up the materials for a sufficient contact with the hot air. Meanwhile the plates push the material to move forward.

Applications

Scope of applications: chemical industry, mining industry, metallurgy, agriculture, forage and fertilizer production etc. For example, clay, ore, coal, metal powder, straws, leaves, fish meal, dregs of a decoction, sludge, waste material and so on

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See also
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