| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an operation method of digester, capable of maintaining agitation efficiency of a mechanic agitator for agitating sludge in a digester, without making the digester empty.SOLUTION: The operation method for a digester 100 having a digester body 1 and a mechanic agitator 2 attached to the digester body 1, is provided. At least one of a vibration value of the mechanic agitator 2 and a current value of a motor 2c installed outside of a tub of the mechanic agitator 2, is measured, and when the measured value rises to a predetermined value, the mechanic agitator 2 is rotated reverse.</p> |
