METHOD AND SHAFT FURNACE FOR BAKING OF LUMP MATERIAL Russian patent published in 2014 - IPC F27B1/00 F27D17/00 C04B7/43

Abstract RU 2507460 C2

FIELD: metallurgy.

SUBSTANCE: according to the invention, a shaft furnace for implementation of a method includes a backing zone with at least one burner lance, as well as a device for addition of an agent to reduce content of NO_X formed during a production process. According to the proposed method, the shaft furnace is operated so that surface temperature of a material layer is 900-1100°C, and the agent for reduction of NO_X content can be added above the material layer surface.

EFFECT: good distribution of an agent for reduction of NO_X content and improvement of an efficiency coefficient in reduction of the amount of hazardous substances.

11 cl, 1 dwg

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RU 2 507 460 C2

Authors

Bejer Kristof

Shefer Dirk

Dates

2014-02-20—Published

2009-08-12—Filed