Sewage filter

The utility model discloses a sewage filter, filtering component in filter housing and casing, filtering component is by first round platform, second round platform and three filtering medium layer cooperate the constitution from top to bottom to be equipped with the filter screen on the round platform, be equipped with the disk body and the aqueduct intercommunication that runs through the casing bottom in filtering medium layer lower part, be equipped with outlet of sewer pipeline, sewage circulation pipeline and backwash water pipe way in the casing bottom the utility model provides a simple structure, convenient operation, filtration efficiency is high, need not often change the filtering medium layer, can realize that the single filters, and filtration equipment is synthesized to the high efficiency of loop filter and backwash, has wide application prospect