| 摘要 |
<p>PROBLEM TO BE SOLVED: To alarm a user by a method in which when a cleaning agent for a toilet, etc., are mixed into drainage in a treatment tank, and when drainage is aerated and bubbles are generated in the treatment tank, a sensor set in the treatment tank detects the generation of bubbles, and a controller controls an alarm by the output of the sensor. SOLUTION: An apparatus is equipped with a treatment tank 18 having an inflow port into which drainage flows, an aerator for aerating the drainage in the treatment tank 18, an exhaust cylinder having an exhaust fan 11 for discharging gas, etc., in the treatment tank 18, a sensor 31 which is set in the treatment tank 18 and detects the generation of bubbles, and a controller 32 for controlling an alarm 33 by the output of the sensor 31.</p> |
