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The Categories of Sawdust Dryer

Jul 14 2014

Sawdust dryer is a kind of important equipment in biomass energy industry. It is widely used in straw briquette fuel, charcoal machinery, wood pellet fuel, sawdust briquettes, agriculture and other industries. This article will introduce you the categories of sawdust dryer. There are three big categories of sawdust dryer on the market now: pneumatic sawdust dryer, rotary sawdust dryer, and sleeve sawdust dryer.

Pneumatic sawdust dryer

Pneumatic sawdust dryer is a little type drying machine. Wet materials enter into the dryer though spiral conveyer, then they are dried in the moving hot gas stream, and then the died materials and wet hot gas are separated by rotating separator, so that dies materials are gotten. This kind of sawdust dryer is mainly composed of air heater, feeder, air drying tube, cyclones, fans and other components.

Rotary sawdust dryer

Rotary sawdust dryer has a large production capacity and simple operating system. It is generally used for drying granular materials, and can also be used for drying sticky paste materials and materials with high moisture by adding some other materials. The main part of this type sawdust dryer is a slightly inclined rotary drum. Materials enter into the dryer from its upside, then materials are dried by hot gas when then move thought the drum, and they are collected at the bottom of the dryer. However, materials and dried materials are discharged at the same port, so materials’ drying effect is poor.

Sleeve sawdust dryer

Sleeve sawdust dryer is a type of indirect heating dryer, and it uses heat pipe to pass heat on wet materials. This type sawdust dryer has a simple operating system and low energy consumption. It is widely used for drying wood chips, sawdust and other powder materials.

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