| 摘要 |
The present utility model discloses a nestable anaerobic filter-type septic tank comprising a main chamber, an inlet pipe to receive wastewater from a sewage drain pipe into said main chamber, a perforated filter chamber internally arranged at the upper middle portion of the main chamber, a plurality of media filters contained in said perforated filter chamber, and an outlet pipe for discharging the digested water to a drainage system. The peripheral wall of the main chamber being tapered from a larger upper end cross section to a smaller lower end cross section to allow nesting thereof. |
