FIXED FILLER MULTI-BED-TYPE OXIDATION DITCH FOR TREATING RURAL DOMESTIC SEWAGE

摘要

Disclosed in the present invention is a fixed filler multi-bed-type oxidation ditch for treating rural domestic sewage. The oxidation ditch comprises an annular housing, wherein the annular housing forms an oxidation ditch body, a water intake pipe is arranged on the annular housing, mounting holes are provided at intervals along the circumference of the annular housing, liftable placing barrels are inserted in the mounting holes, fillers and/or aeration devices fill the liftable placing barrels, several water passing holes are provided in the surfaces of the liftable placing barrels, a water output drum is inserted into one mounting hole, the water output drum is provided with a water intake pipe and a water output pipe, the aeration device is in communication with an aeration pipeline, and the aeration pipeline is connected to a fan. The oxidation ditch is safe and convenient to maintain, and enhances the efficiency of organic matter removal, biological nitrogen removal and phosphorus removal.