Horizontal tapping furnace and method of operation

Details Horizontal tapping furnace and method of operation Horizontal tapping furnace and method of operation

1985-09-30

1987-07-14

Rutledge, L. Dewayne

Metallurgical apparatus

Process

Plugging or tapping

266217, 266240, 266272, C21B 1100

Patent

active

046797734

ABSTRACT:
The tapping passage of a metallurgical furnace is disposed generally horizontally in a lower region of the furnace wall structure below the upper level of the liquid metal; a closure member is pivotally movable relative to an outer end of the tapping passage to open and close access to the passage; the closure has a gas injection nozzle for injecting air under low pressure into the tapping passage to remove temporary plugging material in said passage in preparation for discharge of the liquid metal.

REFERENCES:
patent: 2426644 (1947-09-01), Van Der Pyl
patent: 2982534 (1961-05-01), Meffert
patent: 3581948 (1971-06-01), Detalle
patent: 3783169 (1974-01-01), Newhall
patent: 4232855 (1980-11-01), Hartl
patent: 4457459 (1984-07-01), Bates et al.

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