Illegal cooking oil treatment impurity recovery device

The utility model discloses a swill-cooked dirty oil treatment impurity recovery device, which relates to the technical field of swill-cooked dirty oil recovery, and comprises a return box assembly, a crushing assembly, a reaction kettle and a water pump, the reaction kettle and the water pump are positioned on one side of the return box assembly, and two grinding wheels grind impurities in swill-cooked dirty oil, so that oil can be effectively pressed out. The scraper can scrape impurities on the runner wheel, the scraper can be detached, when the illegal cooking oil falls into the filter box, the hydraulic oil cylinder drives the filter box to move up and down, impurities which are not ground in the filter box are filtered, the filtered illegal cooking oil falls into the recycling box, fine impurities in the illegal cooking oil can be recycled, and the recycling efficiency of the illegal cooking oil is improved. The recycling box can be mounted and dismounted, impurities of different sizes can be better fil