The sawdust dryer is mainly composed of the heat furnace, feeding inlet, rotating cylinder, filter cylinder, material handling pipes, cooling tube and the discharging port. The rotating cylinder is on the main roller, which is driven by the motor and the decelerating drive. The feeding inlet is located between the heat furnace and the rotating cylinder. The rotating cylinder has a fry blade and there is a piece of dam-board on the joint point of the rotating cylinder and filter cylinder. The baffle has one hole, which makes that the filter cylinder connects with the rotating cylinder on the one end and it is connected to the material handling pipe on the other end.
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Due to the above structure, the sawdust in the rotation cylinder can be sufficiently dried, and the sawdust will disperse fully again before entering the conveying duct, so that the water evaporates fast. And the baffle can stop the impurities in the sawdust to guarantee the material quality in the conveying duct.
1, its drying intensity is strong; the material is highly dispersed in the gas stream, the entire surface of the particle is the effective area;
2, the drying time is short;
3, it has simple structure, small floor space and it is easy to develop and maintain;
4, the handling capacity is large, the thermal efficiency is high. When it is used to dry the unbound water, the thermal efficiency can be up to 60%.