Microorganism -purification sewage treatment device

The utility model discloses a microorganism -purification sewage treatment device relates to sewage treatment device technical field for solve conventional activated sludge technology dispose of sewage the play water quality of water that obtains not high with handle after the direct technical problem who causes the wasting of resources that discharges of sewage, the utility model discloses a AO reaction tank and sand filtration room, AO reaction tank are passed through the baffle and are separated into 6 reacting chambers, it divide into upper reaches district and dirty district with the reacting chamber to be equipped with the baffling board in the reacting chamber, the reacting chamber includes 2 hypoxia response rooms, 2 aerobic reaction rooms and 2 drip chambers, the drip chamber tailend is equipped with the delivery port to be connected through pipeline and elevator pump and sand filtration room. The utility model discloses combine AO technology and physics sand filtration, improved water quality of wat