Sewage treatment rotating cage formula rotating biological disk device

The utility model discloses a sewage treatment rotating cage formula rotating biological disk device, including equalizing basin, anaerobic reaction zone and double oxygen reaction zone, the equalizing basin is connected with the inlet tube, equalizing basin and anaerobic reaction zone intercommunication, and anaerobic reaction zone communicates with the oxygen reaction zone of holding concurrently, and the oxygen reaction zone of holding concurrently is connected with the outlet pipe, and the equalizing basin is used for deposiing and gets rid of the sewage residue, is provided with the rotating biological disk structure in the oxygen reaction zone of holding concurrently, and the rotating biological disk structure includes pivot, rotating cage and biofilm carrier, the rotating cage is a plurality of, the concentric setting in the pivot of just establishing ties, biofilm carrier sets up in the rotating cage. The utility model discloses sewage treatment is efficient, and consumption of power is few, packs and changes the convenience, and whole equipment need not the time -out.