Notes

Just how to use and also keep wood pellet machine correctly?<br>
Grinding prior to utilizing

Most roller and flat dies in pellet machine are processed by high-heat treatment. After planing, boring, milling, as well as quenching procedure, there are usually lots of cloths inside the die openings, which may affect the pelletizing results and manufacturing. Therefore, before beginning a new pellet machine, or after replacing a new die, you need to grind it thoroughly.



We use oil blend to refine grind the roller as well as level die. The oil blend is made up of 20% fine sand, 65% biomass products( like sawdust), 15% waste engine oil. Prior to feeding the oil mixture to the pellet machine, you must readjust the clearance between roller as well as flat die to 0.1-0.3 mm. sawdust pellet machine for sale grinding process needs to last 15-40 minutes.



For ring die pellet mill, the grinding process requires more oil blend and also longer time. The amount of oil mixture is 10% that of pellet production per hour. The grinding time is 30-50 min. As well as the clearance between ring die and the roller is 0.1-0.4 mm.



Pretreatment of raw materials

The appropriate moisture content of biomass materials should in between 14% as well as 20%. Dry materials are hard to take shape, moist products will certainly make the pellets loose. The size of the raw products must be less than the hole size of pellet mill dies. Normally, the hole size of the pellet mill die is 6mm and 8mm, and the size of raw materials need to be under 5mm, or they might block the holes and also decrease pellet production.



The adhesive force establishes the developing price of the pellets The majority of biomass products include lignin, which would certainly thaw under heat as well as act as binder. But some materials like rice husk has low glue pressure. It require to be combined with sawdust or binders to make pellets



The thickness and size of the wood pellets.

The density of wood pellets is identified by the opening size of the die. The size is determined by the slicer. In flat die pellet machine, 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 adjusted to achieve various sizes. For your very own use, it is better to be brief. For transport as well as marketing, it suggest to be a little lengthy.



After the wood pellets come out from the pellet machine, they are warm with some vapors. They can be dried and cooled in an open field, or by a counter-flow cooler. Quick cooling can boost the solidity of the timber pellets, and also facilitate storage as well as transport.




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

When you completed making pellets, don't shut the pellet machine down simultaneously. Include some mixed oil as well as biomass products to the pellet machine as well as let it compete 1-2 min. By doing this, we can load the die openings with oil mix, to make sure that we can directly begin making pellets the next time. With this procedure, we can not only preserve the mold, but also conserve time. When Visit Your URL quits, loosen the changing screw and also clear away the left materials.




The upkeep of roller, die, shafts and also gearbox

You must remove all tough things and steel blocks in resources before feeding them 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 receptacle.



The warm inside the pelletizing chamber can reach up to 80 ℃, and the roller maintains high pressure throughout operation. As there is no dust guard in the pellet machine, so you need to clean up the bearing every 2-5 hrs, and also lube it with oil. After every 8 functioning hrs, the main shaft need to be fueled oil. The gearbox requirement cleansing every half a year. If there is unusual high warm in the transmission, you can use much better equipment oil and enhance the clearance between the equipments for maintenance. The fastening screw in the transmission part likewise require to be changed routinely.



How to replace roller and die?

When the rollers breaks, you can change the roller shell or the entire set of roller. If the bearing get loosened or locked, you require to change the bearing and also 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 taken care of with screws, you need to tremble the ring die carefully, as well as get rid of the screw with also stamina.



In level die pellet machine, the flat die is installed with keeping nuts in the keyway. On the 2 sides of the level die, there are two in proportion screw openings. You can make use of the screw driver to push them out, or make use of a magnet to pull them out. During your pressing or pulling, keep the level 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 required manufacturing. If the power is inadequate, the manufacturing will be reduced and also the pelletizing impact is poor. If the power is too huge, it will certainly consume more power, accelerate the fatigue, and also reduce the life span of roller and die.



The exam and fixing need to be carried out in power off problem. The machine needs to be placed near the working location, so regarding minimize the moving time as long as feasible. Shield it from water logging, rainfall, electrical leakage, fire, etc.



Only when we use the pellet machine effectively and maintain it routinely can we take full advantages of the pellet machine as well as extend its working life.


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