Bubbling device for cleaning polished glass substrate

The utility model discloses a bubbling device for cleaning a polished glass substrate. The bubbling device for cleaning the polished glass substrate comprises a ventilation round pipe, air outlet holes, an air inlet, a compressed air pipe and a movable cover, wherein the ventilation round pipe forms the overall structure of the bubbling device, the air outlet holes are evenly distributed in the ventilation round pipe, the compressed air pipe is connected with the ventilation round pipe through the air inlet, the movable cover is fixed to the ventilation round pipe through a barb structure and corresponds to the air outlet holes, and the movable cover is shaped like an inverted cone. The bubbling device can meet the cleanness requirement of the glass substrate through the inside compressed air, improve the quality of products, and greatly reduce energy consumption and maintenance cost. Meanwhile, the air outlet holes are not prone to blockage, low in maintenance cost, uniform in air outlet pressure and capable