Notes

Exactly how to use and also preserve timber pellet machine appropriately?<br>
Grinding before utilizing

The majority of roller and flat dies in pellet machine are refined by high-heat treatment. After planing, boring, milling, and satiating procedure, there are generally numerous dustcloths inside the die holes, which may affect the pelletizing effects and manufacturing. As a result, before beginning a new pellet machine, or after changing a brand-new die, you require to grind it completely.



We use oil blend to refine grind the roller as well as flat die. The oil mix is composed of 20% great sand, 65% biomass materials( like sawdust), 15% waste engine oil. Before feeding the oil mixture to the pellet machine, you need to change the clearance between roller and also level die to 0.1-0.3 mm. The grinding process should last 15-40 min.



For ring die pellet mill, the grinding procedure needs more oil combination and also longer time. The quantity of oil blend is 10% that of pellet production per hr. The grinding time is 30-50 minutes. And the clearance in between ring die as well as the roller is 0.1-0.4 mm.




Pretreatment of resources

The appropriate wetness web content of biomass products must in between 14% and also 20%. Dry products are upsetting shape, wet products will certainly make the pellets loose. The size of the raw products ought to be less than the hole size of pellet mill dies. Typically, the hole dimension of the pellet mill die is 6mm and also 8mm, and the dimension of resources must be under 5mm, or they might block the holes as well as reduce pellet production.



The sticky force identifies the forming rate of the pellets Most biomass products consist of lignin, which would certainly melt under high temperature and work as binder. However some products like rice husk has low sticky force. It require to be combined with sawdust or binders to make pellets



The thickness and also size of the timber pellets.

The density of timber pellets is figured out by the opening dimension of the die. The size is determined by the slicer. In flat 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 attain different dimensions. For your own use, it is better to be short. For transport and also selling, it recommend 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 down in an open area, or by a counter-flow colder. Quick cooling down can boost the hardness of the wood pellets, and also help with storage as well as transport.



Do not close down the machine right after making pellets.

When you finished making pellets, don't close the pellet machine down at the same time. Include some blended oil as well as biomass materials to the pellet machine as well as allow it run for 1-2 min. This way, we can load the die openings with oil combination, to make sure that we can directly start making pellets the next time. With this process, we can not only keep the mold, but additionally save time. When the pellet machine quits, loosen up the adjusting screw and also eliminate the left materials.



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

You ought to get rid of all hard things as well as metal blocks in raw materials before feeding them right into the pellet machine, or they would create damages to the roller, die or major shaft. You can install 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 operation. As there is no dirt protector in the pellet machine, so you need to clean up the bearing every 2-5 hours, and also lube it with oil. After every 8 functioning hrs, the primary shaft requirement to be oiled. The gearbox need cleaning every half a year. If there is irregular high warmth in the transmission, you can use much better gear oil as well as boost the clearance between the gears for upkeep. industrial wood pellet mill securing screw in the transmission part additionally require to be changed frequently.



Exactly how to replace roller and also die?


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



In ring die pellet machine, simply loosen up the hoop chuck, take the old ring die apart and also change it with a new one. If Richi machine is fixed with screws, you require to drink the ring die carefully, and remove the screw with also strength.



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 use the screw motorist to press them out, or make use of a magnet to pull them out. During your pressing or pulling, keep the flat die shaking with a hammer, to make sure that the screw will not stuck in the screw hole.



Defense of the drive engine

Select the matched power according to the needed production. If the power is inadequate, the manufacturing will certainly be low and the pelletizing impact is poor. If the power is also big, it will certainly consume more power, speed up the weariness, and shorten the service life of roller as well as die.



The examination as well as fixing need to be executed in power off problem. The machine ought to be put near the functioning area, so as to minimize the moving time as long as feasible. Safeguard it from water logging, rainfall, electrical leakage, fire, and so on.



Only when we utilize the pellet machine appropriately as well as keep it frequently can we maximize the pellet machine and lengthen its working life.


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