Wastewater recovery device of glass cleaning machine

The utility model provides a waste water recovery device of a glass cleaning machine, which comprises a tank body, a water inlet is arranged on one side of the tank body, a water outlet is arranged on the other side of the tank body, the inside of the tank body is sequentially divided into a sewage area, a primary filter area and a secondary filter area from the water inlet to the water outlet, a first filter screen is arranged between the sewage area and the primary filter area, and a second filter screen is arranged between the primary filter area and the secondary filter area. A first filter screen is arranged between the primary filter area and the secondary filter area, a second filter screen is arranged between the primary filter area and the secondary filter area, spraying pipes are arranged on the sides, away from the water inlet, of the first filter screen and the second filter screen, a plurality of nozzles are arranged on the sides, facing the water inlet, of the two spraying pipes, and the lower e