Notes

Exactly how to make use of as well as maintain timber pellet machine correctly?<br>
Grinding before using


Many roller as well as flat dies in pellet machine are refined by high-heat treatment. After planing, drilling, milling, and also appeasing process, there are normally several cloths inside the die holes, which may affect the pelletizing results and production. For that reason, prior to beginning a new pellet machine, or after replacing a brand-new die, you need to grind it completely.



We make use of oil mix to refine grind the roller and flat die. The oil combination is made up of 20% fine sand, 65% biomass materials( like sawdust), 15% waste engine oil. Prior to feeding the oil mixture to the pellet machine, you should adjust the clearance between roller and flat die to 0.1-0.3 mm. The grinding process needs to last 15-40 min.



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



Pretreatment of resources

The ideal wetness content of biomass materials should between 14% and 20%. Dry products are upsetting form, moist materials will certainly make the pellets loose. The dimension of the raw materials must be less than the hole dimension of pellet mill dies. Normally, the hole dimension of the pellet mill die is 6mm and also 8mm, and the dimension of raw materials should be under 5mm, or they may block the holes as well as reduce pellet manufacturing.



The adhesive force figures out the creating rate of the pellets The majority of biomass products contain lignin, which would certainly melt under heat and also work as binder. Yet some products like rice husk has reduced adhesive force. It need to be blended with sawdust or binders to make pellets



The thickness and also size of the timber pellets.

The thickness of timber pellets is determined by the opening dimension of the die. The size is determined by the slicer. In granule extruder , the slicer is set up under the level die, while in ring die pellet machine, the slicer is set up outside the ring die. animal feed pellet machine of them can be adapted to accomplish different sizes. For your own use, it is much better to be brief. For transportation and also selling, it advise 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 as well as cooled in an open field, or by a counter-flow colder. Quick cooling can boost the firmness of the wood pellets, and help with storage space and also transportation.



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

When you completed making pellets, do not shut the pellet machine down at the same time. Include some mixed oil and also biomass materials to the pellet machine as well as allow it run for 1-2 min. In this way, we can fill up the die holes with oil mixture, to ensure that we can directly start making pellets the next time. With this procedure, we can not only maintain the mold, but additionally save time. When the pellet machine quits, loosen up the adjusting screw as well as clear away the left products.



The upkeep of roller, die, shafts and also gearbox

You ought to remove all hard things as well as steel blocks in basic materials before feeding them right into the pellet machine, or they would certainly create damages to the roller, die or primary shaft. You can mount a tubular magnet on the feed hopper.



The warm inside the pelletizing chamber can rise to 80 ℃, as well as the roller maintains high pressure during operation. As there is no dirt guard in the pellet machine, so you require to tidy up the bearing every 2-5 hrs, as well as lubricate it with oil. After every 8 functioning hrs, the major shaft requirement to be oiled. The transmission need cleansing every half a year. If there is uncommon high warm in the transmission, you can make use of better equipment oil as well as enhance the clearance between the gears for maintenance. The attaching screw in the transmission part additionally need to be replaced regularly.



Just how to change roller as well as die?

When the rollers wears, you can replace the roller covering or the entire set of roller. If the bearing obtain loosened or locked, you require to replace 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 brand-new one. If the ring die is repaired with screws, you require to tremble the ring die delicately, and also eliminate the screw with even stamina.



In flat die pellet machine, the level die is installed with keeping nuts in the keyway. On the 2 sides of the level die, there are two in proportion screw holes. You can use the screw vehicle driver to press them out, or make use of a magnet to draw them out. Throughout your pushing or drawing, keep the level die shaking with a hammer, so that the screw will not embeded the screw opening.



Protection of the drive engine

Choose the matched power according to the necessary production. If the power is inadequate, the manufacturing will certainly be reduced and also the pelletizing result is poor. If the power is too large, it will certainly eat even more power, increase the weariness, as well as shorten the service life of roller and die.




The exam and also repair service should be carried out in power off condition. The machine should be put near the working place, so as to minimize the relocating time as long as possible. Shield it from water logging, rainfall, electrical leak, fire, and so on.



Just when we use the pellet machine properly and also preserve it on a regular basis can we maximize the pellet machine and lengthen its functioning life.


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