Microbial purification device for water quality

The utility model relates to the technical field of water quality purification, in particular to a water quality microorganism purification device. The device comprises a bottom plate, an acid-base adjusting box, a filtering box and a microorganism purifying box, a box cover is arranged at the top of the acid-base adjusting box, the box cover and the acid-base adjusting box are fixed through an adsorption assembly, a filtering frame is arranged at the bottom of the box cover, a fixing block is fixedly connected to the filtering frame, the fixing block is fixed to the box cover through a fixing bolt, and the microorganism purifying box is arranged in the box cover. A stirring assembly is arranged in the acid-base adjusting box, a first connecting pipe is connected between the acid-base adjusting box and the filter box, a first water pump is arranged on the first connecting pipe, two drawers are slidably connected in the filter box, through grooves are formed in the two drawers, and a filter screen and an activ