LOW CARBON FERROCHROME FURNACE

The main raw materials for smelting low-carbon ferrochromium using the electro silicothermic method include chromium ore, silicon chromium alloy, and lime. Some also come with fluorite and iron scales.

Chromium ore should be a dry, clean lump or concentrate with a lump size of less than 50mm; Containing Cr2O3>40%, Cr2O3/ Σ FeO>2.0, phosphorus content should not exceed 0.03%. Select silicon chromium alloys with different carbon contents based on the grade of the micro carbon engraved iron smelted. When smelting low-carbon iron with a carbon content of 0.06%, the carbon content of silicon chromium alloy should be less than 0.06%; When smelting submerged arc furnace for ferrochrome production with a carbon content of 0.03%, the carbon content of the silicon chromium alloy should be less than 0.03%. Silicon chromium alloy shall not contain slag, and the block size shall not exceed 15mm. Fragments less than 1mm shall be sieved out. Lime requires a CaO content greater than 88% and a phosphorus content less than 0.02%. Newly burned lime with a block size of 10-50mm should be used.

FEATURES

CHNZBTECH TECHNOLOGY FOR A MATURE 4000KVA FURNACE

CHNZBTECH Technology for a Mature 4000KVA Furnace

Productivity：35t/day;

Cooling water consumption: 150m³ / h, cooling water can be recycled,

Secondary current: 10500A,

4000KVA LCFC furnace fume amount: 90000m³/h, bag filter recommended;

HP electrode 400mm, consumption of each ton of alloy electrode is 16-18 kg.

Ton products raw material chrome ore 1.35t, siliconchrome 0.56t, lime 1.20t

Power consumption：2200-2800KW.H/t, depends on melting process;

SPECIFICATIONS

LOW CARBON FERROCHROME FURNACE SPECIFICATIONS

Grades and ingredients of some products in China

4000KVA Furnace for LCFC furnace

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