Composite toughened glass and production process thereof

The invention discloses composite tempered glass and a production process thereof, and relates to the technical field of tempered glass production, and the production process comprises the following steps: step 1, placing a glass sheet in a cleaning device, heating the glass sheet, and then cleaning the glass sheet; 2, wiping the cleaned raw glass sheet in the step 1 by adopting a non-woven fabric along with blowing of hot air; step 3, uniformly spraying the coating liquid on the surface of the raw glass sheet, and feeding the raw glass sheet into a toughening furnace for forging; a raw glass sheet is placed on the top of a supporting plate, the supporting plate is heated through an electric heating plate, the supporting plate heats the raw glass sheet, then the temperature of the raw glass sheet is increased, then cleaning liquid is sprayed to the raw glass sheet, a sliding block drives a U-shaped frame and a cleaning roller to horizontally move, and the raw glass sheet is cleaned through cooperation with th