... features low energy consumption , fast melt , long furnace life , equal furnace temperature . It overcomes disadvantages of over-burn , over heat , small capacity , large ... , 12T , 15T , 20T , 25T, 35T, 50T . Energy Consumption :Furnace of 12 - 15T ≤45; Furnace of 20T above ≤40, ( figures indicated with continuouns runnning ) .Burning ...