Notes

Exactly how to use and maintain timber pellet machine appropriately?<br>
Grinding before utilizing

The majority of roller and also flat dies in pellet machine are processed by high-heat treatment. After planing, boring, milling, and relieving wood pellet press , there are typically lots of rags inside the die openings, which may affect the pelletizing impacts and also manufacturing. Therefore, before beginning a brand-new pellet machine, or after replacing a brand-new die, you require to grind it completely.



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



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




Pretreatment of raw materials

The appropriate wetness web content of biomass materials must between 14% and also 20%. Dry products are upsetting shape, wet products will make the pellets loose. The dimension of the raw materials must be less than the hole dimension of pellet mill dies. Typically, the hole dimension of the pellet mill die is 6mm and also 8mm, as well as the size of raw materials ought to be under 5mm, or they might obstruct the holes and also lower pellet manufacturing.



The adhesive force identifies the forming price of the pellets Most biomass materials consist of lignin, which would thaw under heat and also serve as binder. But some products like rice husk has reduced sticky force. It need to be combined with sawdust or binders to make pellets



The density and size of the timber pellets.

The density of timber pellets is determined by the hole dimension of the die. The length is figured out by the slicer. In flat die pellet machine, the slicer is set up under the level die, while in ring die pellet machine, the slicer is installed outside the ring die. Richi machinery of them can be gotten used to attain different dimensions. For your very own usage, it is better to be short. For transportation and also selling, it recommend to be a little long.



After the wood pellets appear from the pellet machine, they are warm with some heavy steams. They can be dried out and cooled in an open field, or by a counter-flow colder. Quick cooling can boost the hardness of the wood pellets, and also help with storage and transport.



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

When you completed making pellets, don't close the pellet machine down simultaneously. Include some blended oil as well as biomass materials to the pellet machine and also let it compete 1-2 minutes. In this way, we can fill the die holes with oil mixture, so that we can directly begin making pellets the next time. With this process, we can not only maintain the mold and mildew, however additionally save time. When the pellet machine stops, loosen the adjusting screw and clear away the left materials.



The upkeep of roller, die, shafts and also gearbox

You should get rid of all difficult items and also 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 warm inside the pelletizing chamber can rise to 80 ℃, as well as the roller sustains high pressure throughout operation. As there is no dust guard in the pellet machine, so you require to tidy up the bearing every 2-5 hrs, and oil it with oil. After every 8 functioning hrs, the major shaft demand to be oiled. The transmission need cleaning every half a year. If there is irregular high heat in the gearbox, you can utilize much better equipment oil as well as boost the clearance between the equipments for upkeep. The fastening screw in the transmission component also require to be changed regularly.



Just how to replace roller and also die?

When the rollers wears out, you can change the roller covering or the whole set of roller. If the bearing get loose or secured, you need to change the bearing as well as even the shaft.



In ring die pellet machine, simply loosen up the hoop chuck, take the old ring die apart as well as replace it with a brand-new one. If the ring die is taken care of with screws, you need to shake the ring die delicately, as well as remove 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 level die, there are two in proportion screw holes. You can make use of the screw motorist to press them out, or use a magnet to pull them out. Throughout your pressing or drawing, keep the level die shaking with a hammer, to make sure that the screw will not embeded the screw opening.



Defense of the drive engine

Select the matched power according to the necessary manufacturing. If the power is not nearly enough, the production will be low and the pelletizing result is poor. If the power is also huge, it will eat more power, speed up the weariness, and also shorten the service life of roller as well as die.




The test and also repair work need to be carried out in power off problem. The machine must be put near the working location, so as to decrease the relocating time as long as feasible. Safeguard it from water logging, rainfall, electric leakage, fire, and so on.



Just when we use the pellet machine effectively as well as keep it routinely can we maximize the pellet machine and also extend its functioning life.


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