| 摘要 |
Sectionally built aerator for concentrating machines and for waste water treatment, whereby the aerator incorporates a number of sections of through-shaped elements (2) arranged at a distance above each other, and which are arranged to communicate via a number of tubular members (5, 6) acting as injectors, with slots provided between trough-shaped elements and injectors, and where a conduit (13) is connected to the lower trough-shaped element for supply of pressurized air from below, whereby the entire aerator (1) is submersed in a mass of liquid, which shall be subjected to ventilation. |
