The invention discloses a
sewage treatment device. The device comprises a filtering
precipitation chamber, the inside of the filtering
precipitation chamber is separated into a
filtration chamber and a
precipitation chamber through a first filter screen, a central position at the top of the filtering precipitation chamber is provided with a
sewage inlet
pipe, a first telescopic motor is fixedly arranged on a side wall of the
filtration chamber, the output end of the first telescopic motor is connected to a first telescopic rod, and one end of the first telescopic rod far from the first telescopic motor is inserted into the
filtration chamber. According to the
sewage treatment device provided by the invention, sewage can enter from the sewage inlet
pipe, passes through the filtration chamber, the precipitation chamber, an
anaerobic chamber, an aerobic chamber, a PH regulating chamber and a sterilization chamber in order, and clean
purified water with moderate pH value can be obtained by a
purified water outlet
pipe, then the follow-up
purified water is utilized, thus achieving the purpose of
sewage treatment. At the same time, the
sewage treatment device is convenient for cleaning and replacement of parts in the equipment, has no need for shutdown, greatly improves the
sewage treatment efficiency, and saves the cost.