Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – By separating metal in a molten mass from undesired...
Patent
1995-05-31
1996-08-06
Kastler, Scott
Metallurgical apparatus
Means for melting or vaporizing metal or treating liquefied...
By separating metal in a molten mass from undesired...
266236, B22D 4300
Patent
active
055426514
ABSTRACT:
A launder for discharging melt from a metallurgical furnace is disclosed which includes a launder body having one end connected to the furnace. The launder body defines a fluid passageway for allowing the melt, flowing from the metallurgical furnace into the one end to flow therethrough in a direction away from the furnace. The launder body includes a threshold portion for determining the melt level in the furnace, above which the melt in the furnace begins to flow into the launder body. The launder body further includes a closing portion constructed to receive a closing material thereon to close the fluid passageway of the launder body. The closing portion is arranged at a position displaced downstream with respect to the threshold portion and has a bottom lower than the threshold portion. Additionally, a metallurgical furnace installation using the above launder is disclosed, in which a pair of the launders are arranged while ensuring space for casting or removing operations of castable.
REFERENCES:
patent: 851596 (1907-04-01), Irvin
patent: 4300753 (1981-11-01), La Bate
patent: 5178818 (1993-01-01), Ikoma et al.
Kanazumi Hisao
Yamashiro Akiyoshi
Kastler Scott
Mitsubishi Materials Corporation
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