When using wood pellet mill or other kind of pellet making machines to make pellets, material Binder Issues are what you must concern about.
The material first enters the wood pellet mill machine and comes into contact with the pressing roller.
Some of the material will be compressed under the roller through the die holes. A material, which lacks binder, may struggle to do even this. It may display properties more like dry material, as the material cannot bind together under compression.
Due to the lack of binder, the material may be unable to form a carpet, and again it may display similar properties to dry material, so the quality of pellets made by the wood pellet mill machine will be very poor.
Even with sufficient moisture to give the required pressure and heat, the material may not compress in pellet mill machines. Generally though some compression and binding will take place, but not to the levels required.
If the lack of binder is extreme, the wood pellet machine may not make a pellet at all. In many cases small layers of compressed material will emerge, but not a complete pellet. A short pellet is not detrimental to its purpose, however it should be checked that once the pellets cool they do not crumble into dust too easily. If this occurs, the lack of binder needs to be addressed.
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