Lance for blowing fluid-state substances inside furnaces, partic

Details Lance for blowing fluid-state substances inside furnaces, partic Lance for blowing fluid-state substances inside furnaces, partic

1996-04-12

1998-12-08

Kastler, Scott

Metallurgical apparatus

Means for melting or vaporizing metal or treating liquefied...

By means introducing treating material

C21C 532

Patent

active

058464824

ABSTRACT:
A lance for blowing fluid-state substances inside furnaces, particularly for steel production. The lance comprises an elongated body inside which at least two ducts are provided which lead outside the body proximate to one of its longitudinal ends. These ducts can be connected to means for feeding fluid-state substances to be blown inside the furnace, and a chamber for the circulation of a coolant is formed inside the body of the lance at least proximate to its end to be inserted in the furnace.

REFERENCES:
patent: 4986847 (1991-01-01), Knapp et al.
patent: 5308043 (1994-05-01), Floyd et al.
patent: 5377960 (1995-01-01), Leczo et al.

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