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The airflow sawdust dryer, also called pipe dryer or flash dryer for sawdust , is professionally designed for drying materials like sawdust, rice hull, wood chips, wood shaving, wheat straw, and corn stalks, paddy straw , etc. Moisture in the raw materials of less than 40% can be drying one time to meet the requirement for wood pellets production. In addition, airflow sawdust dryer is considered as the most inexpensive sawdust dryer, which is highly recommended for bio-pellets production capacity less than 1000kg per hour.
Airflow sawdust dryer is widely used in wood pellet fuel, straw briquette fuel, charcoal machinery, sawdust briquettes, and agricultural engineering industries. For example, the drying of agricultural fiber materials such as corn straw, soybean straw, cotton stalks, wheat straw, sorghum stalks, sawdust , wood shavings, ginkgo leaves, mulberry leaves, etc.
The whole wood drying machine mainly consists of hot wind stove, material feeder, drying pipe, dying cyclone, cyclone separator and controlling system. When the sawdust pass through the pipeline, the wet moisture will be removed from the material and the dried sawdust is discharged from the cyclone separator. This drying machine adopts two time circulate heating system, strengthening the heat and mass transfer rate, material moisture at 50% can be dried into the requirement of making wood pellets/briquettes at one time, greatly save the labor. We have two types of sawdust dryer for the customer choose.
The dryer on the markets generally adopts coal, firewood as heating source, high labor intensity and cost, thermal efficiency loss is large, heat utilization is less than 30%, moisture content 35% materials need to drying 3-4 times. Compared with the current dyer, our new type pipe drying machine can make the moisture content 35% of the raw material dry all at once, it can save 75% electricity to low the cost. The combustible gas of pipe dryer is methane which is can be in the carbonized kiln.
|Model||HGJ-4||HGJ-6||HGJ-8 ( double –stove)|
|material diameter||< 3mm& < 5mm||< 3mm& < 5mm||< 3mm& < 5mm|
|Size of the machine||10*1.0*2.0m||15*1.0*2.0m||21*1.2*2.5m|
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