F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
39/1, 53/342
F27B 1/22 (2006.01) C22B 5/02 (2006.01) C22B 5/14 (2006.01) F27D 17/00 (2006.01)
Patent
CA 1219121
ABSTRACT OF THE DISCLOSURE METHOD FOR RECOVERING HEAT FROM DUST-BEARING GASES PRODUCED IN SMELTING SULPHIDE CONCENTRATES AND MEANS HEREOF The present invention relates to a method and a means for recovering heat from dust-bearing gases produced in the suspension smelting a sulphide concentrates. In order to reduce the tendency of the dusts to create accretions in the waste heat boiler (5), to the dust-bearing gases produced in the suspension smelting process (1) and/or to the slag is admixed a cooler, partly reactive fluid (12) prior to bringing them into indirect heat exchange contact in the waste heat boiler (5). In the combination of suspension smelting furnace (1) and waste heat boiler connected therafter, as thought by the invention, the vertical radiation section (6) of the waste heat boiler (6) has been connected at its lower end, either directly or by means of a short watercooled connecting part (9), to the settler (3) of the section (10) to a substantially horizontal convection section (7), in which connection adjacent to the juncture of the settler (3) and the radiation section (5) or its connecting part (9) are provided members (12) for supplying a cooler substance into the dust-bearing gases flowing from the settler (3) to the radiation section and/or into the slag in the settler.
438820
Marcoux & Sher Swabey Mitchell Houle
Outokumpu Oy
LandOfFree
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