| 摘要 |
MOLTEN METAL HOLDING FURNACE THERE IS PROVIDED A MOLTEN METAL HOLDING FURNACE CAPABLE OF REDUCING AN OXIDIZATION LOSS OF MOLTEN METAL AND 5 IMPROVING A YIELD OF MOLTEN METAL BY A CONVENIENT FACILITY AND FURTHER ACCOMPLISHING A REDUCTION IN THE NUMBER OF TIMES OF CLEANING FOR THE ADHERED MATERIAL AT THE FURNACE WALL AND EXTENDING A LIFE OF THE FURNACE. THIS INVENTION HAS A FEATURE THAT THIS IS CONSTITUTED BY THREE CHAMBERS OF A 10 MOLTEN METAL RECEIVING CHAMBER HAVING A MOLTEN METAL RECEIVING PORT, A MOLTEN METAL HEATING CHAMBER AND A MOLTEN METAL FEEDING CHAMBER, AND THE LOWER SURFACE OF AN UPPER LID OF THE MOLTEN METAL HEATING CHAMBER IS PROVIDED WITH A PLANE COMBUSTION BURNER SPACED APART FROM THE MOLTEN METAL SURFACE 15 IN PARALLEL WITH IT AND HAVING A COMBUSTION SURFACE FILLED WITH COTTON-LIKE HEAT-RESISTANT METALLIC FIBER AT A COMB- LIKE OPENING OF THE PLANE HEAT-RESISTANT METAL, AND A MIXER FOR MAKING A PRE-MIXED GAS SUPPLIED TO SAID PLANE COMBUSTION BURNER. Y@D
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