Furnace, refractory installing method, and refractory block

F - Mech Eng,Light,Heat,Weapons – 27 – D

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F27D 1/04 (2006.01) C21C 5/44 (2006.01) F27D 1/16 (2006.01)

Patent

CA 2762112

A kiln comprises a cylindrical kiln body; an iron sheath disposed over the inside surface of the kiln; and a refractory lining composed of multiple refractory blocks disposed over the inside of the iron sheath. Each of the multiple refractory blocks has a hexagonal end face on the working surface side that is exposed in the center of the kiln and a hexagonal end face on the back surface side that is disposed toward the outer circumference of the kiln and is larger than the end face on the working surface side. The multiple refractory blocks are disposed with the position of the end face on the working surface side matching a predetermined reference position in the diametric direction of the kiln. The multiple refractory blocks are stacked in a honeycomb shape and arranged in the circumferential direction on the inside surface of the iron sheath.

Un four selon l'invention comprend : un corps de four cylindrique ; une gaine en fer placée sur la surface intérieure du four ; et un revêtement réfractaire constitué de multiples blocs réfractaires disposés sur l'intérieur de la gaine en fer. Chacun des multiples blocs réfractaires possède une boutisse hexagonale du côté de la surface utile qui est exposée au centre du four, et une boutisse hexagonale du côté de la surface arrière qui se trouve vers la circonférence extérieure du four et qui est plus large que la boutisse du côté de la surface utile. Les multiples blocs réfractaires sont placés de manière à ce que la position de la boutisse du côté de la surface utile corresponde à une position de référence prédéterminée dans le sens diamétral du four. Les multiples blocs réfractaires sont empilés en nid-d'abeilles et posés dans le sens circonférentiel sur la surface intérieure de la gaine en fer.

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