Key Points for Pellet Mill Feeding, Impurity Cleaning & Air Pipe Maintenance
For the pellet mill feeder: Keep the material layer thin (controlled by an insert plate) to improve operation stability. A thick layer causes uneven material distribution (some areas with more/less material), leading to unstable ammeter (large fluctuation) and high motor temperature. Increase feeding volume via frequency conversion.
Thoroughly clean impurities in materials: Sieve out large impurities (e.g., wood blocks, stones) before use; add iron-removing devices (e.g., strong magnets, magnetic plates, magnetic separators) and clean iron residues on these devices timely (to avoid failure). Clean at least once per shift, or more frequently if there is excessive iron impurity.
Ensure air pipes are well-sealed; check regularly to prevent air leakage. Leakage will cause delayed dust/steam discharge or poor motor cooling (leading to motor burnout from overheating). Use thin iron pipes (similar to stove chimneys) for dust-removal pipes to avoid burning by high-temperature hot air drawn from the pelletizing chamber.
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