Patent ID: 9453678
Filing Date: 2016-09-27
CPC Classification: C21B,F27B

Claim Text:
1. An apparatus for manufacturing molten metal, comprising: a stationary non-tilting electric furnace including an electric heating device and having a furnace top; a secondary combustion burner provided in the furnace top; an exhaust gas duct connected to the furnace top; and a raw material charging chute connected to the furnace top and provided on one end of the furnace in a width direction of the furnace, wherein the electric heating device is provided such that an electric heating region heated with the electric heating device is on the other end of the furnace in the width direction, the furnace top includes a sloping furnace top having a portion that generally slopes downward from the one end of the furnace in the width direction to a lowest position of the furnace top, the secondary combustion burner is provided in the sloping furnace top and positioned between the one end of the furnace and the lowest position of the furnace top, the sloping furnace top has a stepped structure, and the secondary burner is positioned horizontally in the stepped structure.