Impurity separation device for refining chlorfenapyr solvent

The utility model discloses an impurity separation device for chlorfenapyr solvent refining, which relates to the technical field of chlorfenapyr production equipment, and comprises an unqualified solvent temporary storage tank, the unqualified solvent temporary storage tank is sequentially connected with a first-stage separation tank, a second-stage separation tank and a third-stage separation tank, each stage of separation tank is connected with a reboiler, and the third-stage separation tank is connected with a second-stage separation tank. The top of each stage of separation tank is connected with an impurity tank through a pipeline, the bottom of the first-stage separation tank is connected with a second-stage separation tank through a pipeline and a material pouring pump, the bottom of the second-stage separation tank is connected with a third-stage separation tank through a pipeline and a material pouring pump, and the bottom of the third-stage separation tank is connected with a collection tank throug