Surface polishing device for fused zirconia corundum bricks

The utility model discloses a surface polishing device for fused zirconia corundum bricks, which belongs to the technical field of polishing devices and particularly comprises a workbench, a dustproof box arranged on the workbench, a dust collection groove formed in the workbench, a dust collection box arranged below the workbench, a sealing box arranged inside the dust collection box, a first filter screen arranged at the bottom of the sealing box and a second filter screen arranged at the bottom of the sealing box. Air suction fans are arranged on the two sides of the dust suction box, an air inlet is formed in the dustproof box, a movable plate is installed in the sealing box, a water spraying pipe is arranged in the movable plate, a water spraying nozzle is arranged below the movable plate, and a water pump is further arranged on the outer side of the dust suction box. According to the electric smelting zirconia corundum brick polishing device, dust generated when electric smelting zirconia corundum brick