FIELD: ferrous metallurgy. SUBSTANCE: hearth is washed with washing agglomerate sintered from charge containing, wt %: fire scale, 82-84; iron-ore concentrate, 7.6-8.2; manganese ore, 4.3-4.6; crude fluxes (limestone-dolomite mixture), ≤ 4.0. Washing agglomerate is loaded into furnace by substituting ore components in 3 to 20 charges daily while ore to coke ratio is reduced by 5-10%. Duration of washing ranges from 3 to 15 days in dependence on hearth condition. EFFECT: increased productivity, reduced specific coke consumption, and improved quality of cast iron. 2 tbl
| Title |
Year |
Author |
Number |
| METHOD OF FLUSHING OF BLAST-FURNACE HEARTH |
1998 |
- Frantsenjuk I.V.
- Korshikov G.V.
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- Zevin S.L.
- Grigor'Ev V.N.
- Jarikov I.S.
- Korshikova E.G.
|
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|
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2005 |
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- Moskalina Fedor Nikolaevich[Ua]
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SU802365A1 |
