Sewage purification treatment device for municipal sewage pipe network

The utility model discloses a sewage purification treatment device for municipal sewage pipe network, including the trunk line, the top through connections of trunk line has wastewater branch pipe, the right side of trunk line is equipped with first gunbarrel, the right side of first gunbarrel is equipped with the second gunbarrel, the right side of second gunbarrel is equipped with filters the jar, the right side of filtering the jar is equipped with clean water tank. This sewage purification treatment device for municipal sewage pipe network, through first gunbarrel, second gunbarrel and the cooperation of filtering jar, the coarse efficiency filtering screen of sewage in first gunbarrel carries out double filtration and dual sediment with the net of the secondary filter in the second gunbarrel, deposits sewage after back and the prefilter and passes through the third conveyer pipe and discharge to the cartridge filter in, strains tin through filter core and biology and carries out thorough filtering to sew