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rotary dryerThe dryer machine is an indispensable equipment in biomass pellet plant process, especially for wood and sawdust that have a high moisture level. Usually the best moisture content for wood or sawdust pellet production is 12% to 18%. If the raw material is too wet, the pellets made out will be easy to break. (Also, if the raw material is too dry, pellets won’t form. in this case we should add water into it.)
The dryer machine we use is Rotary Drum Dryer, which consists of shell, lifting flight, drive assembly, support system and seal.
How does the Rotary Drum Dryer work?The rotary dryer consists of feeding system, main body, Ducting System and Collector System. It need match stove.
Smoke and air with high temperature produced by the stove are the heat source medium. When material enters the drum through the feeder, heat exchange between material and the hot air begins. Material will move along the bent plat on the wall of the drum by the effect of rolling and introduced air, which is called the concurrent flow drying technology.
Specifications of Rotary Sawdust Dryer
|Air fan power||15kw||22kw||30kw||45kw||45kw||45kw|
|Temperature of inlet air||180-350℃||180-350℃||180-350℃||180-350℃||180-350℃||180-350℃|
|Temperature of outlet air||90-100℃||90-100℃||90-100℃||90-100℃||90-100℃||90-100℃|
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