| 摘要 |
<p>The method and device comprise two different ventilation systems, where first ventilation system is the type of surface ventilator in a vivification reactor and is bypassed with pure oxygen entry and the second ventilation system is the type of beam- or ejector aerator. The both ventilation systems are controlled after each loading of the fluid to be aerated through valves so that they are filled with pure oxygen or air oxygen. The vivification reactor is divided into three sections such as an inflow area, a cascade area (2) and a pump sump. The method and device comprise two different ventilation systems, where first ventilation system is the type of surface ventilator in a vivification reactor and is bypassed with pure oxygen entry and the second ventilation system is the type of beam- or ejector aerator. The both ventilation systems are controlled after each loading of the fluid to be aerated through valves so that they are filled with pure oxygen or air oxygen. The vivification reactor is divided into three sections such as an inflow area, a cascade area (2) and a pump sump. The inflow area possesses slit nozzles at the circumference, where the slit nozzles are transversely arranged and exist itself under the water surface approximately at 30-50 cm into which the fluid to be aerated enters. The fluid running uniformly through the slit nozzle arrives itself to a rotatable fluid distributor that mixes the fluid with oxygen through its building type of construction and circularly delivers into the upper cascade area. The fluid distributor is mounted on a drive shaft (8), which connects the pure water pump by motor drive. The cascade area possesses a large diameter as the inflow area based on the increased retention time of the fluid to be aerated and includes cascade sieves (12) in order to increase the retention time. The pure water pump has 80% efficiency. A uniform water level is present in the pump sump and in the vivification reactor through pumping the fluid in the pressure area (6). The fluid is delivered from the pressure area to the radiation pump. The pressure area is circularly or straightly formed according to the geometry of the vivification reactor. The fluid passing in the vivification reactor is cleaned through sieves, which are mounted on the large cascade area in ring-shaped manner. The sieves are formed so that it does not allow passages about plus-minus 20 cm around the fluid mirror in order to work against fat residues. The motor drive of pure water pump (14) is mounted on the cover of the vivification reactor.</p> |
