Continuous water inlet sewage treatment device

The utility model discloses a continuous water inlet sewage treatment device, which relates to the technical field of sewage treatment and comprises a first reaction tank, a second reaction tank, a third reaction tank, a fourth reaction tank, a fifth reaction tank and a sixth reaction tank, a second water inlet pipe and a first return pipe are arranged between the first reaction tank and the SBR reaction tank, a second floating ball and a drain pipe are arranged in the SBR reaction tank, and the drain pipe is used for draining water in the SBR reaction tank; a sludge discharge pipe is arranged between the sludge storage and drying tank and the SBR reaction tank; the control system is electrically connected with the first floating ball and the second floating ball. The treatment device combines the water inlet characteristic of continuous flow and the sewage treatment advantage of the SBR, not only can flexibly adapt to the conditions of cutoff and large fluctuation of water quality and water quantity, but als