Improvements in the equipment for the afinal of cinc. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in zinc refining apparatuses, characterized by the provision of at least three grinding columns (1) located in a single furnace unit, each column (1) being located in an independent hearth (2) or being located by at least three rectifying columns (1) in a common hearth (3), while households (2 or 3) are provided with burners (7) arranged vertically in the ceiling plate of each home (2 or 3) or burners being provided, possibly under the sky plates of the homes and having the adjacent walls (4) of the homes (2) layers (5) of inner facing bricks in contact and made of material of low thermal conductivity and forming a partition or providing, alternatively, a gap between said adjacent walls (4). (Machine-translation by Google Translate, not legally binding)