Notes

How to make use of as well as keep timber pellet machine properly?<br>
Grinding before using

A lot of roller as well as flat dies in pellet machine are processed by high-heat treatment. After planing, small feed pellet machine price , milling, and also relieving procedure, there are normally many cloths inside the die holes, which may affect the pelletizing effects and also production. Consequently, before beginning a new pellet machine, or after changing a new die, you need to grind it extensively.



We use oil mixture to process grind the roller and flat die. The oil mixture is composed of 20% fine sand, 65% biomass products( like sawdust), 15% waste engine oil. Before feeding the oil mix to the pellet machine, you must adjust the clearance between roller and also level die to 0.1-0.3 mm. The grinding procedure should last 15-40 min.




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



Pretreatment of resources

The ideal moisture content of biomass materials need to between 14% and also 20%. Dry materials are hard to take form, wet products will certainly make the pellets loose. The size of the raw materials must be less than the hole dimension of pellet mill dies. Generally, the hole size of the pellet mill die is 6mm and 8mm, as well as the size of raw materials must be under 5mm, or they might obstruct the holes and minimize pellet production.



The glue pressure establishes the developing rate of the pellets A lot of biomass products contain lignin, which would melt under high temperature and also work as binder. Yet some materials like rice husk has low adhesive pressure. It require to be mixed with sawdust or binders to make pellets



The density and length of the wood pellets.

The density of wood pellets is determined by the opening dimension of the die. The length is identified by the slicer. In level die pellet machine, the slicer is set up under the level 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 selling, it suggest to be a little lengthy.



After the timber pellets appear from the pellet machine, they are hot with some heavy steams. They can be dried out and also cooled in an open area, or by a counter-flow colder. Quick cooling down can boost coco pellet making machine of the wood pellets, and also assist in storage as well as transportation.



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

When you ended up making pellets, don't close the pellet machine down simultaneously. Include some blended oil and biomass products to the pellet machine and let it run for 1-2 min. In this way, we can fill the die holes with oil mix, to ensure that we can straight begin making pellets the following time. With this process, we can not just preserve the mold and mildew, but likewise conserve time. When the pellet machine quits, loosen the adjusting screw and eliminate the left materials.



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

You should eliminate all hard objects as well as metal blocks in resources prior to feeding them right into the pellet machine, or they would certainly create damages to the roller, die or major shaft. You can set up a tubular magnet on the feed receptacle.



The heat inside the pelletizing chamber can reach up to 80 ℃, and the roller sustains 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 oil it with oil. After every 8 working hrs, the main shaft demand to be oiled. The gearbox demand cleaning every half a year. If there is unusual high heat in the gearbox, you can use better gear oil and boost the clearance between the gears for upkeep. The fastening screw in the transmission part also require to be replaced routinely.



How to replace roller and die?

When the rollers breaks, you can replace the roller shell or the whole set of roller. If the bearing get loose or locked, you need to replace the bearing as well as even the shaft.



In ring die pellet machine, simply loosen the hoop chuck, take the old ring die apart as well as change it with a brand-new one. If the ring die is taken care of with screws, you require to drink the ring die gently, as well as remove the screw with even stamina.



In flat die pellet machine, the flat die is mounted with keeping nuts in the keyway. On the 2 sides of the flat die, there are 2 balanced screw holes. You can use the screw motorist to push them out, or make use of a magnet to draw them out. During your pushing or drawing, keep the flat die shaking with a hammer, to ensure that the screw will not stuck in the screw opening.



Security of the drive engine

Choose the matched power according to the required manufacturing. If the power is inadequate, the manufacturing will certainly be low and the pelletizing result is poor. If the power is also large, it will eat more power, accelerate the exhaustion, as well as reduce the service life of roller and die.



The examination as well as fixing ought to be carried out in power off condition. The machine must be placed near the working place, so as to lower the moving time as high as possible. Protect it from water logging, rainfall, electric leak, fire, etc.



Just when we utilize the pellet machine correctly and also keep it consistently can we make the most of the pellet machine and also extend its working life.



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