Sawdust dryer product features and drying reason analysis!

The sawdust dryer is a powdered wet sawdust, which is continuously added to the drying tube using a screw conveyor. In the transport and dispersion of the high-speed hot gas flow, the moisture in the wet material is evaporated to obtain a powdery or granular dry product. Mainly by the air heater, feeder, air drying tube, cyclone separator, fan and other components.
(1) Product Features of Sawdust Dryer:

1. Drying strength is high. Since the materials are highly dispersed in the air stream, the entire surface of the particles is actively dry and effective.
2, drying time is short.

3, air dryer has a simple structure, small footprint, easy to build and repair.
4, a large amount of processing, high thermal efficiency. When drying unbound water, the thermal efficiency can reach 60%.

5, the dryer achieves zero horizontal thrust, greatly reducing the wear of the retaining wheel, and the cylinder is running smoothly and reliably.
6. Dryer adopts “aligning roller bearing device” to make the contact between the roller and the roller always be in linear contact, which greatly reduces wear and power loss.

(2) The raw materials in a sawdust drying process can not be dried at a time. Reasons: The dryer is too small; the wind network pressure and flow calculation are incorrect; the dryer is used improperly.

Solution: increase the temperature of the dryer, but this method is easy to cause fire in the dryer, the best way is to replace or re-adjust the drying equipment , require the dryer manufacturer to re-calculate the wind pressure, flow and then provide design based on the actual situation Change the program and negotiate with the dryer manufacturer to obtain the equipment instructions and learn the correct method of use.
(3) The raw material is on fire during drying of sawdust

Reasons: Improper use of dryer equipment, drying equipment is too small to achieve the drying effect and forced heating to cause a fire, dryer equipment design principles have problems.
Solution: Negotiate with the manufacturer to obtain equipment instructions Learn the correct use of the dryer, replace or modify the dryer equipment, require manufacturers to replace or modify the dryer equipment, check whether the dryer equipment is installed correctly, whether air leakage or increase Wind pressure.


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