Wastewater treatment device for concrete mixing plant

A waste water treatment device for a concrete mixing plant comprises a box body, a built-in partition plate is installed in the box body, an inclined square pipe is installed in the box body, two longitudinal square pipes are jointly installed between the inclined square pipe and the built-in partition plate, a seat plate is installed on the upper surface of the built-in partition plate, a blow-off pipe is fixedly installed at one end of the box body, and a shower pipe is installed on the outer wall of the box body. The sewage treatment device has the advantages that through the built-in partition plate in the box body and the filter screen installed on the built-in partition plate, waste water can be preliminarily filtered, large-particle impurities can be intercepted, and the sewage treatment device is simple in structure, convenient to use and high in practicability. The inclined square pipe is used for carrying out secondary filtration treatment on the primarily treated wastewater, so that clear liquid ca