Title: Fine grained desulfurizer for molten iron
Application Number: 86108525 Application Date: 1986.12.16
Publication Number: 1012355 Publication Date: 1987.07.29
Approval Pub. Date: 1990.10.24 Granted Pub. Date: 1990.10.24
International Classifi-cation: C21C1/02;C21C7/064
Applicant(s) Name: SKW Trostberg Aktiengesellschaft Address:
Inventor(s) Name: Karl-Heinz Peter;Manfred Tutte;Walter Meichsner;We
Attorney & Agent: QUAN JING
Abstract:
    A fine-grained agent for desulfurizing molten iron comprising industrial calcium carbide, dried coal which contains at least 15% by weight of volatile constituents and which, immediately after being passed into the molten iron, releases at least 80 standard liters of gas per kg of coal, and optionally contains fine-grained magnesium. The coals used are lignites, flame coal, gas-flame coal, gas coal or coking coal. The agent is prepared by addition of the dried coal to the calcium carbide, if appropriate, pre-crushed, and common comminuted to a grain size of 90%
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