C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
39/3, 39/79
C22B 1/04 (2006.01) C21B 7/00 (2006.01) C22B 5/14 (2006.01) F27B 3/18 (2006.01) F27B 19/02 (2006.01)
Patent
CA 1086498
ABSTRACT OF THE DISCLOSURE A furnace installation for the pyrometallurgical treat- ment of fine grain ore concentrates having a levitation-melting reactor and a settling hearth accommodated in a common housing separated by a partition. The furnace installation according to the present invention is such that the reactor and the settl- ing hearth, together with the separating partition, are so arranged that heat losses are reduced, resulting in decreased specific power consumption, and lower operating and investment costs. To achieve this, a roof-wall of the common furnace hous- ing projects downwardly in the area of the partition between a collecting chamber and the settling hearth. In this way, it is possible to minimize the height of the cooled partition which dips from above into a bath of molten metal and slag, the par- tition being located between the collecting chamber and the settling hearth, whereby the effective cooling area of the cool- ed partition is minimized. As a result, as little heat as possible is lost from the melting unit, the molten metal cooling, and the settling hearth through the cooled partition to the out- side. The furnace installation includes a levitation-melting reactor, a waste-gas stack for removing gas and dust, and a collecting chamber for collecting molten metal. The collecting chamber communicates with a settling hearth beneath the parti- tion which dips vertically into the bath of molten metal.
284943
Klockner-Humboldt-Deutz Aktiengesellschaft
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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