Device for inspecting water quality of sewage

The utility model relates to the technical field of water quality inspection, in particular to a sewage water quality inspection device which comprises an inspection box, a sampling pipe, a wastewater collection box, a clean water box and an electric control box, a sample detection tank is arranged at one end in the inspection box, and a probe is arranged on the lower side in the sample detection tank; a water feeding and discharging ring is arranged at the position, located on the outer side of the probe, in the sample detection tank, a water feeding and discharging pipe is arranged at one end of the upper side of the water feeding and discharging ring, a water pump is installed at the other end in the detection box, a clean water pipe and a sewage pipe are installed at one end of the water pump, and a discharging opening is formed in the lower end of one side of the waste water collection box. A detection sample in the sampling pipe is rapidly injected through the clamping sleeve and the sample guide pipe,