F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/113, 307/18
F27D 3/14 (2006.01) B22D 41/42 (2006.01) B22D 41/58 (2006.01) F27B 3/19 (2006.01) F27D 3/15 (2006.01)
Patent
CA 1293376
"HORIZONTAL TAPPING FURNACE" ABSTRACT OF THE DISCLOSURE 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.
518891
Empco (canada) Ltd.
Na
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