Asphalt screening device

The utility model relates to the technical field of petroleum asphalt processing, in particular to an asphalt screening device which is convenient for cleaning impurities on a filter screen and improving the asphalt screening efficiency and comprises a fixing frame, the filter screen is arranged in the fixing frame, a plurality of supporting legs are arranged at the bottom end of the fixing frame, and telescopic rods are arranged on the two sides of the fixing frame. A connecting block is arranged at the telescopic end of each telescopic rod, a scraping plate is arranged between the two connecting blocks, lower sliding plates are arranged at the two ends of the filter screen, a supporting block is arranged at the top of the fixing frame, a conveying pipe is installed at the top of the supporting block, a collecting device is arranged at the bottom of the fixing frame, and an asphalt collecting tank is arranged below the collecting device; the collecting device comprises a collecting box and a discharging open