HEAT PROTECTION DEVICE FOR HEATING FURNACE

摘要

Disclosed in the present invention is a heat protection device for a heating furnace. The disclosed heat protection device for a heating furnace includes a first spraying unit installed on the inside of a door unit to spray a first fluid toward the bottom of the door unit; a first supplying unit for supplying the first fluid to the first spraying unit; a second spraying unit installed on the outside of the door unit to spray a second fluid toward the bottom of the door unit; a second supplying unit for supplying the second fluid to the second spraying unit; and a control unit for controlling the first and second supplying units.