Storing pellets is as crucial as any other part of the pellet production process. Pellets must be stored properly to maintain their strength, low fines and low moisture. If pellets are not stored properly for later usage they can be damaged even to the extent that they cannot be used.
Pellet Breakage
Moving pellets as little as possible keeps the pellets in a better condition, and reduces the percentage of pellet breaking. The more pellets are moved and external forces are applied to them, the higher probability they will break into smaller pieces. Pellets are not extremely fragile, however careful handling of pellet bags for example can reduce the percentage of fines.
Fines
With excessive external forces being applied to the pellets through rough handling, the pellets will break, and as they break, fines will be produced. Fines are small particles that either did not form a pellet in the pellet mill, or have broken off a pellet. Excessive fines affect the combustion process, reducing fuel efficiency and increase the probability and percentage of clinker formations.
Moisture
Keeping pellets in a relatively dry environment is essential. If the pellets are stored in a damp environment the pellets will absorb this moisture and expand. By absorbing the moisture and expanding the pellets lose all their mechanical strength, and crumble, rendering them useless.
How pellets are stored is up to the user, the pellets can be stored in bags, sacks and silos, however best suits their needs. As long as the above criteria are met, the pellets will remain in top condition to give the highest fuel efficiency and lowest maintenance possible.
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