Energy saving and consumption reduction rotating biological disk device

The utility model relates to an energy saving and consumption reduction rotating biological disk device, including anaerobism pond, biochemical pond, install in biochemical pond carousel mechanism andfor the pivoted drive arrangement of drive turntable mechanism, the delivery port in anaerobism pond and the water inlet in biochemical pond intercommunication still include the counter -flow vat, the water inlet of counter -flow vat with the delivery port intercommunication in biochemical pond still includes the trachea, is arranged in air supply and the back flow of setting in the counter -flowvat to the trachea air feed, and the end of intaking of back flow stretches into below the liquid level of counter -flow vat, and the play water end (W. E. ) of back flow is connected to the anaerobism pond, the exit end and the tracheal inlet connection of air supply, the well lower part of back flow is located to tracheal exit end. The utility model discloses need not to use the backwash pump,the backwash pump can not a