Evaporation treatment device for extracting potassium perchlorate from wastewater

The utility model discloses an evaporation treatment device for extracting potassium perchlorate from wastewater, which comprises a support plate, an evaporation tank mounted on the inner side of the support plate, a feed pipe mounted at the top end of one side of the evaporation tank, an exhaust pipe mounted at the top end of the evaporation tank, a motor mounted at the top end of the evaporation tank, and a discharge pipe mounted at the bottom end of the evaporation tank. A retaining seat is mounted at the top end in the evaporation tank, a bearing is sleeved on the inner side of the retaining seat, a stirring shaft is sleeved on the inner side of the bearing, a first stirring blade is sleeved on one end of the stirring shaft, a second stirring blade is sleeved on the other end of the stirring shaft, the rotating directions of the first stirring blade and the second stirring blade are opposite, and a retaining frame is connected to the bottom end of the stirring shaft; a sliding rail is installed on the inn