Notes

Just how to use and also maintain wood pellet machine appropriately?<br>
Grinding before using

Most roller and also level dies in pellet machine are processed by high-heat treatment. After planing, exploration, milling, as well as quenching procedure, there are normally many cloths inside the die holes, which might influence the pelletizing impacts as well as manufacturing. Consequently, prior to starting a brand-new pellet machine, or after changing a brand-new die, you need to grind it thoroughly.



We utilize oil blend to refine grind the roller and flat die. The oil mixture is composed of 20% great sand, 65% biomass materials( like sawdust), 15% waste engine oil. Before feeding the oil blend to the pellet machine, you should read just the clearance in between roller as well as level die to 0.1-0.3 mm. The grinding procedure needs to last 15-40 min.



For ring die pellet mill, the grinding process requires even more oil mixture and also longer time. The quantity of oil combination is 10% that of pellet production per hour. The grinding time is 30-50 min. And also the clearance in between ring die and also the roller is 0.1-0.4 mm.



Pretreatment of basic materials

The appropriate wetness content of biomass materials need to between 14% as well as 20%. Dry materials are hard to take shape, moist materials will certainly make the pellets loose. The size of the raw materials ought to be less than the hole size of pellet mill dies. Usually, the hole size of the pellet mill die is 6mm and also 8mm, and also the dimension of resources must be under 5mm, or they might obstruct the holes and also reduce pellet manufacturing.



The sticky pressure figures out the developing rate of the pellets Many biomass materials include lignin, which would certainly thaw under heat and function as binder. But some materials like rice husk has reduced adhesive force. It require to be combined with sawdust or binders to make pellets



The density as well as size of the wood pellets.

The density of timber pellets is identified by the opening size of the die. The size is figured out by the slicer. In level die pellet machine, the slicer is mounted under the level die, while in ring die pellet machine, the slicer is installed outside the ring die. Both of them can be adapted to accomplish various dimensions. For your own usage, it is much better to be short. For transportation and selling, it suggest to be a little long.



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



Do not close down the machine right after making pellets.

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



The maintenance of roller, die, shafts and transmission

You need to eliminate all difficult items as well as steel blocks in basic materials before feeding them right into the pellet machine, or they would certainly 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 during procedure. As there is no dust protector in the pellet machine, so you need to clean up the bearing every 2-5 hours, and also lube it with oil. After every 8 working hrs, the major shaft demand to be oiled. animal feed pellet mill machine cleansing every half a year. If there is abnormal high heat in the transmission, you can make use of much better equipment oil as well as increase the clearance between the equipments for upkeep. The attaching screw in the transmission part additionally require to be replaced frequently.



Just how to replace roller and also die?

When the rollers wears out, you can replace the roller shell or the whole set of roller. If the bearing obtain loosened or secured, you require to change the bearing and also the shaft.



In ring die pellet machine, simply loosen the hoop chuck, take the old ring die apart and replace it with a new one. If the ring die is taken care of with screws, you need to drink the ring die gently, and also remove the screw with even strength.





In level die pellet machine, the level die is set up with keeping nuts in the keyway. On the 2 sides of the flat die, there are 2 symmetrical screw holes. You can utilize the screw chauffeur to push them out, or use a magnet to pull them out. During your pressing or drawing, keep the flat die vibrating with a hammer, to ensure that the screw won't embeded the screw hole.



Defense of the drive engine

Select the matched power according to the needed production. If the power is insufficient, the production will be reduced and the pelletizing effect is poor. If the power is as well big, it will certainly eat more power, speed up the exhaustion, as well as shorten the life span of roller and die.



The exam as well as fixing must be accomplished in power off problem. The machine should be positioned near the functioning place, so as to lower the moving time as long as feasible. Protect it from water logging, rainfall, electric leak, fire, and so on.



Only when we use the pellet machine correctly as well as preserve it regularly can we maximize the pellet machine as well as prolong its working life.


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