The combustion-supporting air system of glass furnace is characterized in that a heat exchanger is installed below the furnace bar of the first regenerator through which waste gas flows, and the heat exchanger is connected with a fan for conveying outside cold air into the heat exchanger; The air outlet of the heat exchanger is connected with a ventilation pipeline which is connected to the air inlet of the second heat storage chamber. It belongs to the auxiliary system of glass melting furnace, and the price needs to be calculated by our sales manager according to your requirements.