Notes

How to use and also maintain wood pellet machine correctly?<br>
Grinding before utilizing

A lot of roller and flat dies in pellet machine are refined by high-heat treatment. After planing, exploration, milling, and also quenching procedure, there are generally numerous cloths inside the die holes, which may influence the pelletizing results and manufacturing. As click over here , before starting a brand-new pellet machine, or after replacing a new die, you need to grind it completely.



We make use of oil combination to refine grind the roller and also flat die. The oil mixture is composed of 20% fine sand, 65% biomass products( like sawdust), 15% waste engine oil. Before feeding wood pellet mill for sale to the pellet machine, you should adjust the clearance between roller as well as level die to 0.1-0.3 mm. The grinding procedure needs to last 15-40 minutes.



For ring die pellet mill, the grinding procedure calls for even more oil combination and also longer time. The quantity of oil mix is 10% that of pellet manufacturing per hr. The grinding time is 30-50 minutes. And the clearance between ring die and the roller is 0.1-0.4 mm.



Pretreatment of basic materials

The appropriate wetness web content of biomass materials must between 14% as well as 20%. Dry materials are upsetting shape, wet products will make the pellets loose. The dimension of the raw products need to be less than the hole dimension of pellet mill dies. Usually, the hole size 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 manufacturing.



The glue pressure figures out the forming rate of the pellets A lot of biomass products consist of lignin, which would thaw under high temperature as well as serve as binder. Yet some products like rice husk has low adhesive pressure. It need to be combined with sawdust or binders to make pellets



The thickness and size of the timber pellets.

The thickness of wood pellets is identified by the opening dimension of the die. The size is established by the slicer. In flat die pellet machine, the slicer is installed under the flat die, while in ring die pellet machine, the slicer is set up outside the ring die. Both of them can be adjusted to achieve various sizes. For your very own usage, it is far better to be short. For transport and selling, it suggest to be a little long.



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



Do not shut down the machine right after making pellets.

When you ended up making pellets, don't close the pellet machine down at the same time. Add some blended oil and also biomass materials to the pellet machine as well as let it compete 1-2 minutes. In this way, we can fill the die openings with oil blend, so that we can straight begin making pellets the following time. With this procedure, we can not only maintain the mold and mildew, but also conserve time. When the pellet machine stops, loosen up the changing screw and also eliminate the left products.



The upkeep of roller, die, shafts and also gearbox

You should eliminate all hard items and also metal blocks in raw materials prior to feeding them right into the pellet machine, or they would cause 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 during procedure. As there is no dirt protector in the pellet machine, so you require to tidy up the bearing every 2-5 hours, as well as oil it with oil. After biomass pellet mill for sale working hours, the major shaft requirement to be fueled oil. The gearbox demand cleansing every half a year. If there is abnormal high warmth in the transmission, you can make use of better gear oil and boost the clearance in between the gears for maintenance. The securing screw in the transmission part additionally need to be replaced frequently.



How to replace roller and die?



When the rollers wears, you can replace the roller shell or the entire collection of roller. If the bearing get loose or locked, you need to change the bearing and even the shaft.



In ring die pellet machine, simply loosen up the hoop chuck, take the old ring die apart as well as change it with a brand-new one. If the ring die is fixed with screws, you need to drink the ring die carefully, and also eliminate the screw with even toughness.



In level die pellet machine, the flat die is mounted with retaining nuts in the keyway. On the 2 sides of the flat die, there are two in proportion screw openings. You can use the screw motorist to push them out, or utilize a magnet to pull them out. During your pressing or drawing, maintain the level die vibrating with a hammer, to ensure that the screw will not embeded the screw hole.



Security of the drive engine

Select the matched power according to the necessary production. If the power is insufficient, the production will certainly be reduced and the pelletizing impact is poor. If the power is also large, it will eat even more power, speed up the weariness, and reduce the life span of roller and also die.



The examination as well as repair service must be accomplished in power off condition. The machine should be positioned near the working area, so regarding decrease the moving time as high as feasible. Shield it from water logging, rain, electrical leakage, fire, and so on.



Only when we use the pellet machine effectively and keep it on a regular basis can we make the most of the pellet machine and also lengthen its functioning life.


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