Furnace tapping apparatus

Details Furnace tapping apparatus Furnace tapping apparatus

1974-05-09

1976-08-10

Dost, Gerald A.

Metallurgical apparatus

Means sealing or opening aperture in vessel

By means plugging aperture

266187, 266195, C21B 712, C21B 716

Patent

active

039737616

ABSTRACT:
A method and an apparatus for stopping the flow of metal from the taphole of a furnace. The method comprises the step of blowing air into the taphole with sufficient pressure to reverse the flow of the molten metal, and then reducing the pressure to a value sufficient to hold the metal in the furnace. The apparatus comprises a pipe adapted to be inserted into the taphole and of sufficient dimension to seal the taphole, and means for blowing air into the pipe initially at a predetermined pressure so as to reverse the flow of the molten metal in the taphole and then at a reduced pressure sufficient to hold the metal in the furnace.

REFERENCES:
patent: 728727 (1903-05-01), Von Kerpely
patent: 1097345 (1914-05-01), Meyer
patent: 1841338 (1932-01-01), Schiegries et al.
patent: 2468738 (1949-05-01), Durfee et al.
patent: 3610183 (1971-10-01), Kolboy et al.
patent: 3823931 (1974-07-01), Wells et al.

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