To produce well-formed, high-density, and non-scattering biomass pellets, a rotary drum dryer is an indispensable component of the entire production line.

Fresh raw materials such as straw, sawdust, branches, and bamboo shavings generally have a high moisture content, mostly between 30% and 60%. Feeding them directly into the pellet mill easily leads to die clogging, slippage, and loose, poorly formed pellets. It also significantly wears down the ring die and pressure rollers, shortening the equipment's lifespan.

The dryer uses hot air circulation for continuous dehydration, precisely controlling the raw material's moisture content within the optimal pelleting range of 10%–15%. After drying, the material has a uniform texture, smooth extrusion, and produces pellets with high hardness, stable calorific value, and resistance to cracking.

It is suitable for various agricultural and forestry wastes, including sawdust, straw, bark, and fruit shells. Used in conjunction with a crusher and pellet mill, it controls raw material quality from the source, reduces wear on vulnerable parts, and improves finished product yield and production efficiency. It is an irreplaceable key piece of equipment in biomass pellet processing lines.

Many people encounter problems with loose material and die clogging when making pellets; the root cause is improper control of the raw material's moisture content! As a crucial component of the pelleting production line, the dryer is specifically designed to process high-moisture sawdust and straw, reducing the moisture content to a standard range. Drying the raw materials ensures smooth pelleting, resulting in finished products with high hardness and good appearance. It also reduces wear and tear on easily damaged parts of the pellet mill, stabilizing the overall production line's capacity!