Building construction wastewater treatment device

The invention discloses a building construction wastewater treatment device, and relates to the technical field of wastewater treatment, the building construction wastewater treatment device comprises a barrel body, a spiral conveyor, a water outlet pipe, a water inlet pipe and a filter assembly, the barrel body is formed by combining a lower barrel body and an upper barrel body, and a detachable assembly is arranged at the joint of the lower barrel body and the upper barrel body; the detachable assembly comprises a clamping block welded to the upper barrel body and two positioning plates welded to the lower barrel body. According to the building construction wastewater treatment device, the barrel body is formed by connecting the lower barrel body and the upper barrel body through the detachable assembly, so that when the filtering assembly is replaced, the lower barrel body and the upper barrel body can be disassembled by taking down a first bolt and then upwards pulling a spiral conveyor, and at the moment