Notes

How to use and maintain wood pellet machine effectively?<br>
Grinding prior to utilizing

A lot of roller and also flat dies in pellet machine are processed by high-heat treatment. After planing, drilling, milling, and also relieving procedure, there are typically numerous rags inside the die openings, which might affect the pelletizing effects and production. Consequently, prior to beginning a new pellet machine, or after changing a brand-new die, you need to grind it extensively.



We utilize oil combination to process grind the roller and also flat die. The oil blend is composed of 20% great sand, 65% biomass materials( like sawdust), 15% waste engine oil. Before feeding the oil mix to the pellet machine, you should change the clearance between roller and also flat die to 0.1-0.3 mm. The grinding procedure needs to last 15-40 minutes.



For ring die pellet mill, the grinding process calls for even more oil mix and also longer time. The quantity of oil mix is 10% that of pellet manufacturing per hour. manual pellet machine price grinding time is 30-50 min. And also the clearance in between ring die and the roller is 0.1-0.4 mm.



Pretreatment of resources

The suitable moisture web content of biomass products should in between 14% and 20%. Dry materials are hard to take form, wet materials will make the pellets loose. The size of the raw materials need to be less than the hole dimension of pellet mill dies. Normally, the hole size of the pellet mill die is 6mm as well as 8mm, and the size of basic materials ought to be under 5mm, or they might obstruct the holes and also lower pellet manufacturing.



The adhesive pressure identifies the creating price of the pellets Many biomass materials contain lignin, which would melt under heat and act as binder. Yet some materials like rice husk has low glue pressure. It require to be mixed with sawdust or binders to make pellets



The density and size of the wood pellets.

The density of timber pellets is figured out by the hole dimension of the die. The length is determined by the slicer. In elf pellet mills , the slicer is set up under the level die, while in ring die pellet machine, the slicer is mounted outside the ring die. Both of them can be gotten used to achieve various sizes. For your very own usage, it is better to be short. For transportation as well as selling, it recommend to be a little long.



After the timber pellets come out from the pellet machine, they are hot with some heavy steams. They can be dried out and also cooled down in an open field, or by a counter-flow colder. Quick cooling down can improve the firmness of the wood pellets, as well as promote storage and also transportation.



Do not shut down the machine right after making pellets.

When you finished making pellets, don't shut the pellet machine down simultaneously. 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 openings with oil mixture, so that we can directly start making pellets the following time. With this process, we can not just preserve the mold and mildew, however likewise conserve time. When the pellet machine quits, loosen the changing screw and also clear away the left materials.



The maintenance of roller, die, shafts as well as transmission


You should remove all difficult objects and steel blocks in resources prior to feeding them right into the pellet machine, or they would certainly trigger damages to the roller, die or major shaft. You can set up a tubular magnet on the feed hopper.



The warmth inside the pelletizing chamber can reach up to 80 ℃, and also the roller sustains high pressure during procedure. As there is no dirt protector in the pellet machine, so you need to clean up the bearing every 2-5 hours, and oil it with oil. After every 8 working hrs, the major shaft requirement to be oiled. The gearbox need cleansing every half a year. If there is irregular high heat in the gearbox, you can use far better equipment oil as well as raise the clearance in between the equipments for upkeep. The attaching screw in the transmission component likewise need to be changed routinely.



How to replace roller and die?

When the rollers wears out, you can change the roller shell or the whole set of roller. If the bearing get loose or secured, you need to replace the bearing and also even the shaft.



In ring die pellet machine, just loosen up the hoop chuck, take the old ring die apart and also replace it with a new one. If the ring die is taken care of with screws, you need to shake the ring die gently, as well as eliminate the screw with also toughness.



In flat die pellet machine, the flat die is installed with retaining nuts in the keyway. On the 2 sides of the level die, there are two balanced screw holes. You can utilize the screw motorist to push them out, or utilize a magnet to pull them out. During your pushing or pulling, maintain the flat die vibrating with a hammer, to make sure that the screw will not stuck in the screw hole.



Protection of the drive engine

Choose the matched power according to the necessary production. If the power is insufficient, the production will certainly be reduced and the pelletizing effect is poor. If the power is also huge, it will certainly consume even more power, increase the weariness, and reduce the life span of roller and also die.



The exam as well as repair work must be executed in power off problem. The machine should be put near the working place, so regarding reduce the relocating time as long as possible. Protect it from water logging, rainfall, electrical leakage, fire, etc.




Just when we use the pellet machine properly and also preserve it frequently can we take full advantages of the pellet machine and prolong its working life.


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