Process and apparatus for at least at times simultaneously...

Details Process and apparatus for at least at times simultaneously... Process and apparatus for at least at times simultaneously...

C - Chemistry, Metallurgy

21

C

39/105, 53/364

C21C 7/072 (2006.01) C21C 5/52 (2006.01) C22B 5/14 (2006.01) C22B 9/05 (2006.01) F27D 3/18 (2006.01) F27B 3/08 (2006.01) F27D 3/00 (2006.01)

Patent

CA 2024938

Abstract (Figure 1): PROCESS AND APPARATUS FOR AT LEAST AT TIMES SIMULTANEOUSLY SUPPLYING A MOLTEN METAL WITH A GAS AND FINE-GRAIN SOLID MATERIALS In a process for at least at times simultaneously supplying a molten metal (5) in a metallurgical vessel (3) with a gas and fine- grain solid materials, with a water-cooled first lance (17) for the supply of the gas, in accordance with the invention the solid materials are supplied in the form of a delivery stream (27) by way of a second lance (19). The supply in that connection is effected in such a way that, after leaving the outlet opening (25) of the second lance (19), the materials are deflected by the gas (29) issuing from the outlet opening (23) of the first lance (17), and are fed with said gas to the molten metal (5).

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