| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a septic tank reduced in a running cost. SOLUTION: The septic tank having a septic chamber 1 is embedded under the ground. The septic chamber 1 is formed from a housing 2 constituting the profile of the chamber 1 and a manhole 3 for closing the opening 2a located on the ground of the housing 2. An air pump 9 for aerating the inside of the chamber 1 is installed in the housing 2. A Peltier element 12 is installed in an exhaust pipe 11, and heat conductive fins 12a and 12b are fitted closely to both surfaces of the Peltier element 12. The Peltier element 12 is connected to a battery 13, and the battery 13 is connected to the air pump 9.</p> |
