F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 3/19 (2006.01) C21B 13/10 (2006.01) F27B 9/39 (2006.01) F27D 3/08 (2006.01)
Patent
CA 2553147
A rotary hearth furnace to simplify detachment and assembly operations of a reduced iron discharging screw. Through-holes through which a spiral blade 42 of the discharging screw 4 can pass are provided at both side walls of an insulating housing 2a constituting part of a furnace body 2 of a rotary hearth furnace 1. Each through-hole is closed by an inner hatch member 8 and an outer hatch member 9 externally mounted in removable fashion to a rotary shaft 41 of the discharging screw 4. An inner screw supporting device 10 is installed in the outside at an inner periphery side of the hearth 3, and an outer screw supporting device 20 is installed in the outside at an outer periphery side of the hearth 3. The discharging screw 4 is detached from and assembled to the furnace body 2 via the through-holes using the inner screw supporting device 10 and the outer screw supporting device 20.
Hashimoto Sumito
Umeki Takao
Urabe Yoshihiro
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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