METHOD AND DEVICE FOR COOLING OF EXIT GAS Russian patent published in 2014 - IPC C21C5/38 

FIELD: metallurgy.

SUBSTANCE: invention refers to metallurgy, and namely to method and system of formed gases removal in basic-oxygen converter. Method includes cooling of combustion gas by adding reducing agent to high temperature exit gas containing high temperature gases - carbon monoxide and carbon dioxide. Blowing by reducing agent is performed to inlet side of dust catcher. Endothermal reaction takes place in channel, and reaction is completed under temperature of exit gas of 800°C. The system of formed gases removal contains cooling device in the form of reducing agent blowing atomizers, located in one or several places of the channel part, at that the channel part is located between upper air blowing pipe or lower basic-oxygen converter hood and inlet side of primary dust catcher.

EFFECT: providing reduction of volatile acid emissions.

9 cl, 10 dwg, 1 tbl, 10 ex