▎ 摘　　要

NOVELTY - rotary heat air outlet device of this utility model claims a tempering heating furnace, relating to the toughened glass processing technical field. The utility model comprises device shell, blowing the air inlet, a graphene layer, electric heating wire layer, hot air enters from the air inlet mechanism, drive mechanism operation wind, blowing the air diffusion and electric heating wire layer start pre-heating before the hot air enters the blowing, graphene is provided inside the device housing capable of storing heat. fluidity by the utility model can increase the contact area of the hot air and the glass, reinforced hot, reduce the heat loss, reduces the production cost and improves the production quality and reduce the energy consumption, the production mode is more environment-friendly.