Notes

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

Many roller and flat dies in pellet machine are refined by high-heat therapy. After planing, boring, milling, and quenching procedure, there are generally numerous cloths inside the die holes, which may affect the pelletizing results as well as production. As a result, before starting a brand-new pellet machine, or after replacing a new die, you require to grind it thoroughly.



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



For ring die pellet mill, the grinding procedure needs even more oil blend as well as longer time. The quantity of oil combination is 10% that of pellet production per hour. The grinding time is 30-50 min. And the clearance in between ring die as well as the roller is 0.1-0.4 mm.



Pretreatment of resources

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



The glue pressure establishes the forming price of the pellets Most biomass materials contain lignin, which would thaw under heat and work as binder. But some products like rice husk has low adhesive force. It require to be blended with sawdust or binders to make pellets



The density as well as length of the timber pellets.

The thickness of timber pellets is established by the hole dimension of the die. The length is figured out by the slicer. In flat die pellet machine, the slicer is mounted under the level die, while in ring die pellet machine, the slicer is mounted outside the ring die. Both of them can be gotten used to accomplish different sizes. For your own use, it is much better to be brief. For transportation and also selling, it recommend to be a little long.



After the timber pellets appear from the pellet machine, they are hot with some steams. They can be dried and cooled in an open area, or by a counter-flow colder. Quick cooling down can enhance hop pellet mill for sale of the wood pellets, as well as facilitate storage space and transportation.



Do not shut down the machine right after making pellets.

When you finished making pellets, do not close the pellet machine down at once. Include some combined oil and biomass products to the pellet machine and let it compete 1-2 min. This way, we can fill the die holes with oil mix, to make sure that we can straight begin making pellets the following time. With this procedure, we can not just keep the mold and mildew, however likewise save time. When the pellet machine quits, loosen the readjusting screw as well as clear away the left products.





The maintenance of roller, die, shafts and also gearbox

You need to eliminate all hard objects as well as steel blocks in raw materials prior to feeding them into the pellet machine, or they would create damages to the roller, die or primary shaft. salmatec pellet press can mount a tubular magnet on the feed hopper.



The heat inside the pelletizing chamber can rise to 80 ℃, as well as the roller maintains high pressure during operation. As there is no dirt guard in the pellet machine, so you need to tidy up the bearing every 2-5 hours, as well as oil it with oil. After every 8 working hrs, the major shaft demand to be fueled oil. The transmission demand cleaning every half a year. If there is abnormal high heat in the gearbox, you can make use of better equipment oil and boost the clearance in between the equipments for maintenance. The attaching screw in the transmission part also require to be replaced on a regular basis.



Exactly how to replace roller as well as die?

When the rollers breaks, you can change the roller covering or the entire collection of roller. If the bearing get loosened or locked, you need 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 replace it with a brand-new one. If the ring die is taken care of with screws, you need to tremble the ring die gently, and remove the screw with also stamina.



In flat die pellet machine, the flat die is mounted with maintaining nuts in the keyway. On the 2 sides of the level die, there are 2 balanced screw holes. You can utilize the screw vehicle driver to press them out, or utilize a magnet to draw them out. During your pushing or drawing, maintain the level die vibrating with a hammer, so that the screw will not embeded the screw hole.



Protection of the drive engine

Choose the matched power according to the necessary manufacturing. If the power is not enough, the manufacturing will be low as well as the pelletizing result is poor. If the power is as well big, it will certainly eat more power, speed up the exhaustion, and also shorten the life span of roller as well as die.



The test as well as repair ought to be performed in power off condition. The machine needs to be placed near the functioning location, so regarding minimize the moving time as high as feasible. Shield it from water logging, rainfall, electrical leakage, fire, etc.



Only when we utilize the pellet machine effectively and preserve it consistently can we make the most of the pellet machine and also extend its working life.


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