Verhindern des Zusammensinterns von Wirbelbetten bei der Reduktion von Eisenerzen

Schenck, Hermann; Wenzel, Werner; Butzmann, Hanns-Dieter

doi:10.1002/srin.196203321

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1974

1991

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“…diluting beds with particles of silica (7) or coke (8), covering the particles with an inorganic substance (6,9,10,11), pre-reducing at low temperatures (12), and controlling the particle size distribution (13,14).…”

mentioning

confidence: 99%

The sticking of iron ore during reduction by hydrogen in a fluidized bed

Gransden¹,

Sheasby²

1974

Canadian Metallurgical Quarterly

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mentioning

confidence: 99%

The sticking of iron ore during reduction by hydrogen in a fluidized bed

Gransden¹,

Sheasby²

1974

Canadian Metallurgical Quarterly

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Sticking prevention during fine-ore metallization in two-stage smelting-reduction processes

Neuschütz

1991

Steel Research

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Parameters known to have an influence on the sticking tendency of fine iron ores during reduction are discussed in view of their practicability in smelting‐reduction processes. The low sulfur concept, the admixture of inert materials and the coating of the ore particles with carbon are looked at more closely. Sticking tests in a laboratory fluidized bed with a number of iron ores were carried out to investigate the effectiveness of inert additives and of carbon deposition. While the admixture of fine coke and lime could not prevent sticking during metallization, carbon deposition from CO proved to be effective even for ores with strong sticking tendencies.

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