Nickel-ferrum smelting technique for nickel oxide ore by submerged arc furnace
The invention discloses a craft to smelt ferro nickel with nickel oxide ore through ore heated furnace, which comprises the following steps: bruising original ore; screening; mixed-batching with coke, burnt lime or limestone; clinkering; getting caking ore block; mixed-batching coke, caking ore bloc...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The invention discloses a craft to smelt ferro nickel with nickel oxide ore through ore heated furnace, which comprises the following steps: bruising original ore; screening; mixed-batching with coke, burnt lime or limestone; clinkering; getting caking ore block; mixed-batching coke, caking ore block, burnt lime or limestone and fluor; smelting in ore heated furnace; getting ferro nickel; setting the mass ratio of additive and clinkering ore as 2-15% fluor, 5-25% coke, 2-8% burnt lime or limestone. This invention possesses small pollution and high reclaiming ratio. |
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