Reflow filtering device for insulating paint

The invention relates to the technical field of insulating paint filtering, and discloses an insulating paint backflow filtering device.The insulating paint backflow filtering device comprises a bottom plate, an impurity collecting barrel and a filtering barrel, a paint box is fixedly connected to the upper surface of the bottom plate, a paint discharging pipe is fixedly connected to the inner top wall of the paint box, a backflow pump is fixedly arranged on one side face of the paint box, and the filtering barrel is fixedly connected to the bottom plate. A feeding port of the reflux pump communicates with a reflux paint inlet pipe, a discharging port of the reflux pump communicates with a reflux paint outlet pipe, the top end of the paint discharging pipe extends to the outer side of the paint box and communicates with one end of the reflux paint outlet pipe, and the surface of the end, located in the paint box, of the paint discharging pipe is rotationally sleeved with a rotating sleeve; a circle of connect