Wood chips rotary dryers are used for drying granular or powdery wood chips. Wet materials are continuously fed into the drum via a screw conveyor, then separated and propelled by high-speed hot air streams. During this process, moisture in the wet materials is removed, resulting in dried powdery or granular materials. Wood chip dryers are widely applied to the drying of various fibrous materials such as straw blocks, charcoal, wooden pellet fuel, wood chip blocks, corn straw, soybean straw, cotton stalks, wheat straw, sorghum stalks, and wood chips.Wood chip dryers are an important part of biomass fuel production equipment. By drying wood chips, they can be further pressed into pellets to produce combustible biomass fuel. Wood chip dryers play a crucial role in the recycling and utilization of biomass fuel, which is of great significance for promoting economic development and environmental protection.

The biomass wood chips dryer consists of a heating furnace, feed inlet, rotating drum, filter drum, conveying pipe, cooling drum, and discharge outlet. The new type of wood chip rotary dryer is a horizontally inclined rotating cylindrical structure. Wet wood chips enter from the feed inlet and are discharged from the discharge outlet. Wood chips are thoroughly dried in the rotating drum, then separated again before entering the conveying pipe for further drying. Baffles can block impurities outside the conveying pipe, ensuring the high quality of the dried wood chips. Through the synergistic operation of the rotating drum and spray tube, the wet material is fluidized and fully contacted with the hot air flow, resulting in excellent drying effect.

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