Notes

How to use and keep timber pellet machine effectively?<br>
Grinding prior to making use of

Many roller and flat dies in pellet machine are processed by high-heat therapy. After planing, drilling, milling, and also relieving procedure, there are generally many dustcloths inside the die holes, which may affect the pelletizing impacts as well as manufacturing. Therefore, before beginning a brand-new pellet machine, or after changing a new die, you need to grind it completely.




We make use of oil mixture to refine grind the roller and level die. The oil mixture is composed of 20% fine sand, 65% biomass products( like sawdust), 15% waste engine oil. Prior to feeding the oil blend to the pellet machine, you need to adjust the clearance in between roller and flat die to 0.1-0.3 mm. The grinding procedure must last 15-40 min.



For ring die pellet mill, the grinding procedure needs more oil mixture as well as longer time. The amount of oil mixture is 10% that of pellet manufacturing per hr. The grinding time is 30-50 min. And also the clearance between ring die and also the roller is 0.1-0.4 mm.



Pretreatment of basic materials

The ideal moisture material of biomass products need to between 14% as well as 20%. Dry materials are hard to take shape, moist products will make the pellets loose. The dimension of the raw materials must be less than the hole size of pellet mill dies. Usually, the hole size of the pellet mill die is 6mm and also 8mm, and the dimension of raw materials need to be under 5mm, or they may obstruct the holes as well as decrease pellet production.



The sticky force identifies the forming price of the pellets Most biomass materials include lignin, which would thaw under heat and also serve as binder. But some products like rice husk has low glue force. It require to be mixed with sawdust or binders to make pellets



The density and size of the timber pellets.

The density of wood pellets is established by the opening dimension of the die. The size is determined by the slicer. In level die pellet machine, the slicer is mounted under the flat die, while in ring die pellet machine, the slicer is set up outside the ring die. Both of them can be gotten used to achieve different dimensions. For your very own use, it is far better to be brief. For cow dung pellet making machine and marketing, it advise to be a little long.



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



Do not close down the machine right after making pellets.

When you ended up making pellets, do not close the pellet machine down at once. Include some combined oil and biomass materials to the pellet machine and allow it run for 1-2 minutes. In this way, we can fill up the die holes with oil combination, to ensure that we can straight start making pellets the next time. With this procedure, we can not just preserve the mold, but additionally save time. When the pellet machine quits, loosen the readjusting screw and eliminate the left products.



The upkeep of roller, die, shafts and transmission

You ought to remove all tough things and steel blocks in resources prior to feeding them right into the pellet machine, or they would create damage to the roller, die or major shaft. You can mount a tubular magnet on the feed receptacle.



The warmth inside the pelletizing chamber can rise to 80 ℃, and also the roller maintains high pressure throughout procedure. As there is no dirt protector in the pellet machine, so you need to clean up the bearing every 2-5 hrs, and also lubricate it with oil. After homemade pellet maker , the major shaft demand to be oiled. The gearbox need cleaning every half a year. If there is unusual high heat in the transmission, you can utilize far better equipment oil and also raise the clearance in between the gears for maintenance. The fastening screw in the transmission component additionally require to be replaced regularly.



How to replace roller and die?

When the rollers breaks, you can change the roller shell or the whole collection of roller. If the bearing obtain loose or secured, you need to replace the bearing and even the shaft.



In ring die pellet machine, simply loosen the hoop chuck, take the old ring die apart as well as replace it with a brand-new one. If the ring die is fixed with screws, you need to tremble the ring die gently, as well as eliminate the screw with even toughness.




In flat die pellet machine, the flat die is installed with maintaining nuts in the keyway. On the 2 sides of the level die, there are two symmetrical screw holes. You can make use of the screw driver to press them out, or make use of a magnet to pull them out. During your pressing or pulling, maintain the flat die shaking with a hammer, so that the screw will not stuck in the screw opening.



Protection of the drive engine

Choose the matched power according to the necessary production. If the power is insufficient, the production will be low and also the pelletizing effect is poor. If the power is too large, it will certainly consume more power, accelerate the fatigue, and also reduce the service life of roller and also die.



The test and repair work should be executed in power off condition. The machine must be positioned near the working place, so as to reduce the relocating time as long as feasible. Shield it from water logging, rain, electrical leak, fire, and so on.



Just when we use the pellet machine correctly as well as preserve it routinely can we make the most of the pellet machine as well as prolong its functioning life.


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