Notes

How to use and maintain wood pellet machine properly
How to make use of and preserve wood pellet machine appropriately?


Grinding prior to utilizing
A lot of roller and also flat dies in pellet machine are refined by high-heat therapy. After planing, exploration, milling, and also quenching process, there are generally many dustcloths inside the die openings, which might influence the pelletizing impacts as well as manufacturing. For that reason, before starting a brand-new pellet machine, or after replacing a brand-new die, you need to grind it completely.

We make use of oil blend to process grind the roller and also level die. The oil combination is made up of 20% fine sand, 65% biomass materials( like sawdust), 15% waste engine oil. Before feeding the oil combination to the pellet machine, you ought to adjust the clearance in between roller and also 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 also longer time. The amount of oil blend is 10% that of pellet production per hour. The 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 ideal wetness material of biomass products must between 14% as well as 20%. Dry products are upsetting shape, wet materials will certainly make the pellets loose. The size of the raw materials ought to be less than the hole size of pellet mill dies. Usually, the hole size of the pellet mill die is 6mm as well as 8mm, and the size of raw materials must be under 5mm, or they might obstruct the holes and reduce pellet production.

The adhesive pressure establishes the developing rate of the pellets Most biomass materials consist of lignin, which would certainly melt under high temperature and serve as binder. But some materials like rice husk has reduced glue pressure. It require to be combined with sawdust or binders to make pellets

The density and also size of the timber pellets.
The density of timber pellets is determined by the hole size of the die. The size is figured out 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 mounted outside the ring die. Both of them can be adapted to achieve various sizes. For small electric fish feed extruder machine , it is better to be brief. For chicken feed pellet making machine and also marketing, it recommend to be a little long.

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

Do not shut down the machine right after making pellets.
When you ended up making pellets, do not shut the pellet machine down at the same time. Add some blended oil as well as biomass materials to the pellet machine and let it run for 1-2 minutes. By doing this, we can fill the die holes with oil combination, so that we can straight start making pellets the following time. With this procedure, we can not only keep the mold and mildew, however also save time. When the pellet machine stops, loosen the changing screw and remove the left materials.

The upkeep of roller, die, shafts and transmission
You need to eliminate all hard items as well as steel blocks in basic materials prior to feeding them into the pellet machine, or they would cause damages to the roller, die or major shaft. You can install a tubular magnet on the feed receptacle.

The heat inside the pelletizing chamber can reach up to 80 ℃, and the roller maintains high pressure during operation. As there is no dust guard in the pellet machine, so you need to clean up the bearing every 2-5 hours, and also oil it with oil. After every 8 functioning hrs, the major shaft demand to be oiled. The transmission need cleansing every half a year. If there is uncommon high warmth in the gearbox, you can use much better equipment oil and boost the clearance between the equipments for upkeep. The securing screw in the transmission component additionally need to be replaced on a regular basis.

Just how to change roller as well as die?
When the rollers wears out, you can replace the roller shell or the whole collection of roller. If the bearing obtain loose or secured, you require to change the bearing and also also the shaft.

In ring die pellet machine, just loosen up the hoop chuck, take the old ring die apart as well as replace it with a brand-new one. If the ring die is taken care of with screws, you require to drink the ring die gently, and also remove the screw with also strength.

In flat die pellet machine, the flat die is mounted with preserving nuts in the keyway. On the 2 sides of the flat die, there are two balanced screw openings. You can make use of the screw motorist to push them out, or use a magnet to pull them out. During your pressing or drawing, keep the level die shaking with a hammer, to ensure 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 not nearly enough, the manufacturing will be low and the pelletizing result is poor. If the power is as well huge, it will consume more power, speed up the fatigue, and also reduce the service life of roller and also die.

The exam and also repair ought to be carried out in power off condition. The machine needs to be put near the functioning location, so as to reduce the relocating time as much as feasible. Safeguard it from water logging, rainfall, electric leakage, fire, and so on.

Just when we make use of the pellet machine properly and also keep it frequently can we make the most of the pellet machine as well as lengthen its working life.


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