Notes

How to utilize and also maintain timber pellet machine correctly?<br>
Grinding prior to making use of

Many roller and also level dies in pellet machine are refined by high-heat treatment. After planing, boring, milling, as well as appeasing procedure, there are usually lots of dustcloths inside the die openings, which might influence the pelletizing impacts as well as manufacturing. For that reason, prior to beginning a new pellet machine, or after replacing a new die, you require to grind it extensively.



We utilize oil mixture to refine grind the roller and also level die. The oil blend is made up of 20% fine sand, 65% biomass products( like sawdust), 15% waste engine oil. Before feeding the oil mix to the pellet machine, you should readjust the clearance between roller and level die to 0.1-0.3 mm. The grinding process ought to last 15-40 min.



For ring die pellet mill, the grinding procedure needs even more oil combination and longer time. The amount of oil combination is 10% that of pellet production per hour. The grinding time is 30-50 min. As well as the clearance between ring die and the roller is 0.1-0.4 mm.



Pretreatment of resources

The ideal wetness web content of biomass products ought to in between 14% and 20%. hand crank wood pellet mill are upsetting shape, wet products will certainly make the pellets loose. The dimension of the raw products ought to be less than the hole dimension of pellet mill dies. Typically, machine that makes wood pellets of the pellet mill die is 6mm and also 8mm, as well as the dimension of resources ought to be under 5mm, or they may obstruct the holes and minimize pellet manufacturing.



The sticky pressure figures out the forming price of the pellets Many biomass products have lignin, which would thaw under heat and serve as binder. But some materials like rice husk has reduced glue force. It need to be combined with sawdust or binders to make pellets



The density as well as size of the timber pellets.

The thickness of timber pellets is established by the opening dimension of the die. The length is determined by the slicer. In level die pellet machine, the slicer is set up under the flat die, while in ring die pellet machine, the slicer is set up outside the ring die. Both of them can be adapted to accomplish various sizes. For your own usage, it is better to be short. For transportation and selling, it suggest to be a little long.



After the wood pellets come out from the pellet machine, they are warm with some steams. They can be dried out and cooled down in an open field, or by a counter-flow colder. Quick cooling down can boost the hardness of the timber pellets, as well as help with storage space and transport.



Don't shut down the machine right after making pellets.

When you finished making pellets, don't close the pellet machine down at once. Include some combined oil and biomass products to the pellet machine as well as allow it compete 1-2 min. This way, we can load the die holes with oil blend, so that we can straight start making pellets the following time. With this process, we can not just maintain the mold, however additionally save time. When the pellet machine quits, loosen the changing screw as well as eliminate the left products.



The maintenance of roller, die, shafts and also gearbox

You must eliminate all hard items and steel blocks in resources before feeding them right into the pellet machine, or they would cause damage to the roller, die or primary shaft. You can set up a tubular magnet on the feed receptacle.




The warmth inside the pelletizing chamber can rise to 80 ℃, and also the roller sustains high pressure during operation. As there is no dirt protector in the pellet machine, so you need to clean up the bearing every 2-5 hours, as well as lubricate it with oil. After every 8 working hours, the primary shaft need to be oiled. The gearbox requirement cleansing every half a year. If there is unusual high warm in the transmission, you can make use of better gear oil as well as boost the clearance between the equipments for maintenance. The fastening screw in the transmission part additionally need to be changed consistently.



How to replace roller and die?

When the rollers wears out, you can replace the roller covering or the entire collection of roller. If the bearing get loosened or secured, you need to change the bearing as well as also the shaft.




In ring die pellet machine, just loosen the hoop chuck, take the old ring die apart and replace it with a new one. If the ring die is repaired with screws, you require to shake the ring die delicately, and get rid of the screw with even toughness.



In level die pellet machine, the level die is installed with preserving nuts in the keyway. On the 2 sides of the level die, there are 2 symmetrical screw openings. You can make use of the screw vehicle driver to push them out, or utilize a magnet to pull them out. Throughout your pushing or drawing, maintain the level die vibrating with a hammer, to ensure that the screw will not embeded the screw opening.



Security of the drive engine

Pick the matched power according to the necessary manufacturing. If the power is not enough, the production will be reduced and the pelletizing effect is poor. If the power is as well large, it will certainly consume even more power, accelerate the fatigue, and shorten the service life of roller and die.



The examination and repair work should be accomplished in power off condition. The machine ought to be put near the working area, so as to lower the relocating time as much as feasible. Shield it from water logging, rainfall, electric leakage, fire, and so on.



Only when we use the pellet machine appropriately as well as maintain it on a regular basis can we take full advantages of the pellet machine and prolong its working life.


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