| 摘要 |
PROBLEM TO BE SOLVED: To provide a melting furnace for melting a rare material to be melted stably with excellent energy efficiency by enabling effective utilization of a biomass solid fuel.SOLUTION: A melting furnace includes a vertical cylindrical furnace body 1 for burning coal cokes C accumulated thereinside, and a plurality of biomass burning devices 3, 3 for supplying biomass combustion heat by burning a biomass solid fuel B at a height position of a sidewall part 5 corresponding to a heating area 11 of the furnace body 1. |
