FIELD: equipment of electric furnaces; closed ore-smelting furnaces. SUBSTANCE: device consists of several sections; each section has longitudinal cooled chamber and branch pipes for supply and discharge of cooling agent. Longitudinal cooled chamber is made in form of groove which is open from outer side of hopper and groove is tightly closed with cover; supply and discharge branch pipes are mounted in cover. EFFECT: enhanced reliability. 2 dwg
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Authors
Dates
1995-11-20—Published
1991-02-20—Filed