Method and apparatus for feeding solid material and...

Details Method and apparatus for feeding solid material and... Method and apparatus for feeding solid material and...

2005-10-11

2005-10-11

Kastler, Scott (Department: 1742)

Metallurgical apparatus

Means for treating ores or for extracting metals

By means applying heat to work, e.g., furnace

C266S172000, C432S144000

Reexamination Certificate

active

06953547

ABSTRACT:
The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting solids and oxidizing gas into the suspension smelting furnace. According to the invention, in the feed orifice (7) of the suspension smelting furnace through which solids (2) and oxidizing gas (3) are fed into the reaction chamber (1) of the suspension smelting furnace, there is installed a suspension creation chamber (5,11) for a suspension containing solids (2) and oxidizing gas (3), in which chamber the solids (2) and at least part of the oxidizing gas (3) can be mixed to form a suspension before they flow into the reaction chamber (1) of the suspension smelting furnace.

REFERENCES:
patent: 2951756 (1960-09-01), Cavanagh
patent: 4331087 (1982-05-01), Kunttu et al.
patent: 4493732 (1985-01-01), Melcher et al.
patent: 4596235 (1986-06-01), Bougard
patent: 5362032 (1994-11-01), Ranki
patent: 5542361 (1996-08-01), Lilja et al.
patent: 5674310 (1997-10-01), Miralles et al.
patent: 38 32 843 (1989-10-01), None
patent: WO 98/14741 (1998-04-01), None

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