| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a sewage treatment device that can detect the failure of a diffused aeration tube. SOLUTION: This sewage treatment device is provided with a sewage treatment tank which treats sewage and the diffused aeration tubes of one or more systems which spray the air supplied by a blower into the sewage in the sewage treatment tank. In addition, pressure sensors of one or more systems which detect an abnormality in pressure at the inlets of the diffused aeration tubes of one or more systems are provided.</p> |
