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Industry Wood Pellet Production Line
Industry Wood Pellet Production Line Introduction
The complete sawdust pellet production line is designed for industrial production and can produce
biomass pellets of any type of agricultural and forestry waste, with a capacity of 1 to 10 tons per
hour. Finished wood pellets are widely used in industrial boilers and large power plants for heating
purposes as well as domestic use to to ease the energy crisis and meet environmental requirements.
A complete sawdust pellet production line for the wood pellets, including:
Raw material preparation, wood crushing (logs and other biomass material diameter more than 5 mm),
sawdust drying (if the raw material moisture is more than 18% water), sawdust pelletizing, sawdust
pellets cooling, biomass pellets packaging.
Detailed Process Of The Wood Pellet Production Line
1. Material Preparation
Sawdust can be made from woodlogs, wood shavings, any forestry waste or biomass straw, straw, etc. Wood chipper is maily to crush the wood logs into wood chips, and the crusher is mainly to crush
the wood chips into sawdust.
2. Sawdust Drying Process
The perfect raw material moisture before pelletizing is 11%-17%, so before the pelletizing, the
sawdust needs drying machine to meet the moisture standard. If the biomass pellet line capacity is
less than 1000KG/H, air flow dryer is a good choice. Because the air flow dryer can process that
capacity with low consumption,usually it can dry the moisture 20%.But if the capacity is more than 1T/H, then it needs the rotary dryer, it can process large capacity and dry the sawdust with long routing. In oerder to save the cost, we have 3 layer rotary dryer, that is the sawdust drying route is 3 times than one layer dryer, so the drying effciency is improved obviously. By this way, the moisture will dry off 40%.
3. Wood Pelletizing Process
The pelletizer is an important part of the sawdust pellet production line with reliable and stable
performance. If the capacity is less than 1T/H, you can choose the flat die pellet machine. And Ring
die wood pellet machine is usually for the capacity from 1T/H to 20T/H.
4. Wood Cooling Process
After pelletizing, the pellet temperature will be within 60-80℃，the moisture is close to 15%. So it
needs the cooler to lower the temperature and the moisture. After this process, the pellets will be
suitable for longtime storing. Usually the industry pellet production line will use the
countercurrent cooler as below photo.
5. Auto Packing Process
The packaging process will keep the wood pellets from moisture. Our automatic wood chip weighing and
packing system adopts PLC control stytem, it’s high weighing accuracy, easy operation.
Zhengzhou Fusmar Machinery Co.,Ltd is a professional fish & animal feed pellet machinery and wood pellet machinery manufacturer. We have our own engineer and sales team to provide best machines and services to our customers worldwide. Our products mainly include floating feed pellet machine,animal feed pellet machine,feed grinding machine, feed mixer,wood crushing machine,wood chippers,hammer mills,pellet coolers, pellet packing machine,conveyors and other spare parts.
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