Notes

How to utilize and keep wood pellet machine effectively?<br>
Grinding prior to making use of

Most roller as well as flat dies in pellet machine are processed by high-heat therapy. After planing, exploration, milling, and relieving process, there are typically lots of cloths inside the die openings, which might affect the pelletizing impacts as well as manufacturing. As a result, before beginning a brand-new pellet machine, or after replacing a brand-new die, you need to grind it thoroughly.



We make use of oil combination to refine grind the roller as well as level die. The oil blend is composed of 20% great sand, 65% biomass products( like sawdust), 15% waste engine oil. Before feeding the oil mix to the pellet machine, you need to adjust the clearance between roller and flat die to 0.1-0.3 mm. richi pellet grinding process must last 15-40 min.



For ring die pellet mill, the grinding process needs even more oil blend as well as longer time. The quantity of oil mixture is 10% that of pellet manufacturing per hr. The grinding time is 30-50 minutes. And the clearance in between ring die and also the roller is 0.1-0.4 mm.




Pretreatment of raw materials

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




The adhesive force establishes the forming price of the pellets Most biomass materials contain lignin, which would certainly thaw under heat as well as serve as binder. Yet some products like rice husk has low glue force. It need to be mixed with sawdust or binders to make pellets



The density as well as size of the timber pellets.

The density of timber pellets is figured out by the hole dimension of the die. The length is established by the slicer. In level die pellet machine, the slicer is installed under the level die, while in ring die pellet machine, the slicer is set up outside the ring die. Both of them can be adapted to achieve various dimensions. For your own usage, it is much better to be brief. For transportation and selling, it advise to be a little lengthy.



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



Do not shut down the machine right after making pellets.

When you finished making pellets, do not shut the pellet machine down at once. Add some blended oil and biomass materials to the pellet machine as well as let it run for 1-2 min. This way, we can fill up the die openings with oil mix, to make sure that we can straight start making pellets the next time. With this process, we can not only keep the mold and mildew, however also save time. When the pellet machine quits, loosen up the changing screw as well as remove the left materials.



The upkeep of roller, die, shafts and transmission

You should eliminate all tough objects and steel blocks in resources before feeding them right into the pellet machine, or they would trigger damage to the roller, die or main shaft. You can install a tubular magnet on the feed hopper.



The warm inside the pelletizing chamber can rise to 80 ℃, as well as the roller sustains high pressure during operation. As there is pan pelletizer in the pellet machine, so you need to tidy up the bearing every 2-5 hours, and lubricate it with oil. After every 8 functioning hours, the main shaft requirement to be oiled. The gearbox requirement cleansing every half a year. If there is unusual high warmth in the transmission, you can make use of better equipment oil and increase the clearance between the equipments for maintenance. The fastening screw in the transmission part additionally require to be changed consistently.



How to change roller as well as die?

When the rollers wears out, you can replace the roller covering or the entire collection of roller. If the bearing obtain loose or secured, you require to replace the bearing as well as 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 new one. If the ring die is fixed with screws, you need to tremble the ring die delicately, as well as get rid of the screw with even stamina.



In flat die pellet machine, the level die is installed with retaining nuts in the keyway. On the 2 sides of the flat die, there are 2 balanced screw holes. You can utilize the screw motorist to push them out, or utilize a magnet to pull them out. During your pushing or pulling, maintain the flat die shaking with a hammer, to make sure that the screw won't stuck in the screw hole.



Protection of the drive engine

Select the matched power according to the needed manufacturing. If food pellet machine is insufficient, the production will be reduced and the pelletizing effect is poor. If the power is as well large, it will certainly eat even more power, increase the fatigue, as well as shorten the service life of roller and die.



The examination as well as fixing should be executed in power off problem. The machine must be placed near the working location, so as to minimize the relocating time as much as feasible. Protect it from water logging, rainfall, electrical leakage, fire, and so on.



Just when we utilize the pellet machine properly and also keep it regularly can we take full advantages of the pellet machine and also prolong its functioning life.


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