Patent ID: 7235210
Filing Date: 2007-06-26
Classification: C22B,F27B,F27D,Y10S

Abstract:
1. A metal melting furnace comprising a melting chamber that has a material charging port and a flue at the top and a hearth section along which melted material flows down to a molten material holding section at the bottom, wherein a combustion chamber equipped with a melting burner is formed below said hearth section, a heating plate comprised of a heat-resistant plate having high heat conductivity is disposed in said hearth section above the combustion chamber at a bottom of said flue, said heating plate disposed between said combustion chamber and said flue thereby isolating said combustion chamber and said flue from direct fluid communication with one another, and an exhaust gas outflow passage is formed in a side wall of said melting chamber, said exhaust gas outflow passage having an inlet disposed in said combustion chamber and an outlet disposed in said flue so that said combustion chamber and said flue are in fluid communication with one another via the exhaust gas outflow passage.