... 1, low energy consumption, high temperature gas in the last row of vertical furnace process is the full absorption of ... melt water.3, temperature, temperature uniformity of molten aluminum Burning along the tangent direction of the end of furnace, furnace gas circulation strong ... throwing.6, easy to operate, no dead slag.7, furnace length, ≥ 4 years of hearth furnace, shaft furnace ≥ 2 years. casting ...