| 摘要 |
PROBLEM TO BE SOLVED: To provide a screw charger not causing abrasion or damage to support parts of feed screws inside a drying means such as a rotary kiln, and preventing deformation of the feed screws not to cause functional deterioration or a stop of the charger. SOLUTION: In this screw charger 1, disks 30 each having a diameter neatly equal to an interval between shaft centers are installed to respective shafts, near tip parts of the feed screws 11 facing the drying means 20, apart from a cover 16.
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