Sawdust constitutes the primary waste product of timber processing. It serves as a high-quality raw material for producing biomass fuel, engineered wood panels, wooden pallets, and similar items. However, sawdust contains a certain amount of moisture, which is detrimental to subsequent processing and storage. Therefore, it is necessary to remove this moisture beforehand. What methods exist for dehumidifying sawdust? Currently, the most commonly employed and efficient approach is mechanical moisture reduction using a sawdust dryer.
Upon activation, the sawdust dryer's integrated heating system utilises coal, gas, electric heating, or other thermal sources to raise air temperature to the required level. This heated air is then introduced into the drying chamber.
Sawdust is conveyed into the drying chamber where it comes into full contact with the heated air, accelerating moisture evaporation. Drying effectiveness can be controlled by adjusting air velocity and humidity levels.
Moisture generated during drying is expelled with the hot air and subsequently separated by dust removal equipment. This maintains clean air within the drying chamber, preventing sawdust from becoming damp or clumping.
The dried sawdust is conveyed via a transport system to a central storage area. This facilitates subsequent processing or utilisation.
The sawdust dryer is engineered for materials such as wood chips, shavings, bamboo shavings, and sawdust. It employs a combined process of primary drying, secondary pulverisation, continuous feeding, and adjustable feed rates. It rapidly dries sawdust to below 12% moisture content. Diverse heat source options include steam, gas, coal, fuel oil, and biomass, adaptable to client preferences and local environmental standards. Flexible dust extraction equipment configuration ensures environmentally sound, efficient, and sustainable operation.
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