F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 9/16 (2006.01) C21B 13/10 (2006.01) F27B 9/39 (2006.01) F27D 3/08 (2006.01)
Patent
CA 2462571
A rotary hearth furnace is provided to simplify detachment and assembly operations of a reduced iron discharging screw. At both side walls of an insulating housing 2a constituting in part of a furnace body 2 of a rotary hearth furnace 1 are installed through-holes which a spiral blade 42 of a reduced iron discharging screw 4 can pass through, each of the through-holes is closed by an inner hatch member 8 and an outer hatch member 9 which are externally mounted in a removable fashion to a rotary shaft 41 of the reduced iron discharging screw 4, an inner screw supporting device 10 is installed in the outside at an inner periphery side of the hearth 3 as well as an outer screw supporting device 20 is installed in the outside at an outer periphery side of the hearth 3. The reduced iron discharging screw 4 is detached from the furnace body 2 via the through-holes and assembled to the furnace body 2 via the through-holes by using the inner screw supporting device 10 and the outer screw supporting device 20.
L'invention concerne un four tournant conçu pour faciliter le montage et le démontage de la vis de décharge de fer réduit. Des orifices traversants sont formés dans les deux parois latérales de l'enveloppe (2a) isolante qui constitue une partie du corps (2) du four, ces orifices permettant l'insertion du filet (42) en spirale d'une vis de décharge de fer réduit. Les orifices sont fermés par un élément (8) de couvercle interne et un élément (9) de couvercle externe qui sont montés de manière amovible sur la tige (41) rotative de la vis (4) de décharge de fer réduit depuis l'extérieur. Un dispositif (10) de support de vis interne est installé à l'extérieur du four, du côté interne de la périphérie de la sole (3), et un dispositif (20) de support de vis externe est installé à l'extérieur du four, du côté externe de la périphérie de la sole (3). Pour séparer la vis (4) de décharge de fer réduit du corps (2) du four et pour remonter la vis (4) de décharge de fer réduit dans le corps du four, on utilise le dispositif (10) de support de vis interne et du dispositif (20) de support de vis externe pour manoeuvrer la vis à travers les orifices traversants.
Hashimoto Sumito
Umeki Takao
Urabe Yoshihiro
Kabushiki Kaisha Kobe Seiko Sho
Riches Mckenzie & Herbert Llp
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