| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a fermentation drier which has a simple device constitution and is easily applicable to a small-sized compost treatment system, a fermentation drying system and a fermentation drying method. SOLUTION: A fermentation drier 5 which allows sludge the fermentation drying and the generation of compost is provided with a rotatable drum-like main body 51 in which the rotation shaft is disposed nearly in a horizontal direction, an outer blade 52 which is spirally disposed on the outer peripheral side inside the main body 51 and an inner blade 53 which is spirally disposed by a support member 54 which intersects with the outer blade 52 on the inner peripheral side of the outer blade 52.</p> |
