Heating – Processes of heating or heater operation – Including repairing – converting or assembling apparatus
Patent
1986-12-09
1988-07-05
Yuen, Henry C.
Heating
Processes of heating or heater operation
Including repairing, converting or assembling apparatus
432 24, 432156, 432241, F27D 116
Patent
active
047551372
ABSTRACT:
A process and apparatus for maintaining the lining of a furnace shell (1) comprising a bottom and a side wall and supported by a floor (2). The shell (1) is composed of two parts adapted to be separated and constituting respectively a bottom (11) and a cooled side wall (12). The side wall (12) is supported directly on a work floor (2) and the bottom (11) on a support (5) movable vertically between an upper operating position of the bottom (11), in line with the side wall (12), and a lower position. After the bottom (11) has been lowered into the lower position, it is moved out of the axis (10) of the furnace to a maintenance station, from which a new bottom (11') is then brought into the lower position, in the axis (10) of the furnace, in order finally to be raised to the upper operating position. The invention applies particularly to arc melting furnaces for steel production.
REFERENCES:
patent: 2269595 (1942-01-01), Miller
patent: 3290031 (1966-12-01), Maatsch et al.
patent: 3312544 (1967-04-01), McCready
patent: 3588060 (1971-06-01), Hermans
Barbe Jacques
Vatant Robert
Clecim
Yuen Henry C.
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