Furnace for smelting non-ferrous and/or for holding non-ferrous

Details Furnace for smelting non-ferrous and/or for holding non-ferrous Furnace for smelting non-ferrous and/or for holding non-ferrous

1983-03-17

1986-05-20

Andrews, Melvyn J.

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

Continuous refining

266236, 266900, 373128, F27D 1102

Patent

active

045896348

ABSTRACT:
A furnace for smelting nonferrous metals and/or for holding nonferrous metal melts is proposed which has a multiple-chamber trough having at least one filling chamber, at least one smelting chamber and/or one holding chamber and at least one drain chamber, and at least one lid for covering the smelting chamber and/or the holding chamber. The filling chamber communicates with the smelting or holding chamber through a passage and the smelting or holding chamber communicate with the drain chamber through another passage. All passages are located beneath the surface of the metal melt introduced into the furnace. The furnace also has a tapping-off device including a stationary molded piece located at the bottom of the drain chamber where it defines an outflow opening, and a tubular tap plug which is rotatably mounted to the stationary molded piece at one end and extends outwardly from the furnace with its other end. The tubular tap plug is rotatable to communicate with the outflow opening to provide a passage from the drain chamber out of the furnace.

REFERENCES:
patent: 3783169 (1974-01-01), Newhall
patent: 3996412 (1976-12-01), Schaefer et al.
patent: 4460163 (1984-07-01), Hornung

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