FIELD: ferrous metallurgy, in particular, devices for regulation of parameters of blast-furnace heat; may be used in automation and optimization of blast-furnace operation. SUBSTANCE: essence of the offered invention consists in that a set of units and connections between them ensures in automatic regime the regulation and stabilization of the total pressure differential in furnace at the preset level, correction of preset level of the total pressure differential of gas in furnace depending on variation of conditions of cooling of bosh cooling plates and limitation in change of pressure of blast-furnace gas by acting on control gates of throttling group and air blower 31 which supplies blast to blast furnace. EFFECT: higher efficiency. 3 cl, 1 dwg
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Authors
Dates
1998-03-10—Published
1997-02-25—Filed