发明名称 |
START-UP PROCEDURE FOR DIRECT SMELTING PROCESS |
摘要 |
A procedure for starting up a direct smelting process for producing iron from a metalliferous feed material in a metallurgical vessel is disclosed. The vessel is of the type which includes a plurality of feed material injection lances/tuyeres (11, 13). The start-up procedure includes the steps of: (a) preheating the vessel; (b) supplying a charge of molten iron to the vessel and forming a molten bath in the vessel, (c) supplying carbonaceous material and flux to the molten bath and injecting oxygen--containing gas through one or more than one feed material injection lance/tuyere and combusting carbon and bath derived gas (if present) and thereby heating the molten bath and generating slag; and (d) suppling metalliferous feed material to the vessel while continuing supply of carbonaceous material and flux and injection of oxygen-containing gas and smelting metalliferous feed material and producing molten iron and thereby completing the start-up procedure.
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申请公布号 |
CA2313622(C) |
申请公布日期 |
2009.12.15 |
申请号 |
CA20002313622 |
申请日期 |
2000.07.07 |
申请人 |
TECHNOLOGICAL RESOURCES PTY LTD |
发明人 |
BURKE, PETER DAMIAN;BATES, CECIL PETER |
分类号 |
C21B11/00;C21B13/10;C21B11/08;C21B13/00;C21B13/04;C21C5/28;C22B5/02;F27B3/22;F27B3/28;F27D1/12;F27D1/16;F27D3/18 |
主分类号 |
C21B11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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