Metallurgical apparatus – With control means responsive to sensed condition – With means responsive to condition of treated material
Patent
1996-04-25
1997-09-02
Kastler, Scott
Metallurgical apparatus
With control means responsive to sensed condition
With means responsive to condition of treated material
266239, C21D 1100
Patent
active
056628595
ABSTRACT:
A constant molten metal surface level retaining furnace is integrally provided with a melting unit which permits a space for equipment to be reduced to efficiently carry out transfer of molten metal. This furnace comprises, a heating unit (16) for heating a casting material to produce the molten metal, a furnace body having a molten metal treatment and storage chamber (18) for storing a molten metal after having undergone a predetermined molten metal treatment, and a molten metal retaining chamber (20) for storing the molten metal to be delivered to casting machine, which is partitioned from the molten metal treatment and storage chamber (18). A molten metal surface level control means is provided for conducting a control so that a molten metal surface within the molten metal retaining chamber (20) is maintained at a predetermined level. A molten metal force-feeding unit (40) is provided for supplying the molten metal in the molten metal retaining chamber (20) to the casting machine, wherein a transfer passage (24) which allows the molten metal treatment and storage chamber (18) and the molten metal retaining chamber (20) to communicate with each other is formed at the furnace body (10), and there are provided a tap (26) in molten metal for opening and closing the transfer passage (24) and an actuator (27) for driving the tap (26) in molten metal so that it is opened and closed.
REFERENCES:
patent: 3675911 (1972-07-01), Kapun
patent: 3844453 (1974-10-01), Eickelberg
patent: 4460163 (1984-07-01), Hornung
patent: 4793596 (1988-12-01), Kubota et al.
patent: 5477907 (1995-12-01), Meyer et al.
Kastler Scott
Toshiba Kikai Kabushiki Kaisha
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