... .Compared with shaft furnace , it features low energy consumption , fast melt , long furnace life , equal furnace temperature . It overcomes ... hard control of ingredients .Compared with large Al melting furnace , it overcomes disadvantages of complicated structure , large ... , 20T , 25T, 35T, 50T . Energy Consumption :Furnace of 12 - 15T ≤45; Furnace of 20T above ≤40, ( figures indicated with continuouns ...