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What are the main reasons for the soot generated by iron induction melting furnaces?

Time: 2019-08-10

The iron induction melting furnace plays an important role in industrial smelting. The used materials are mostly waste materials, and the proportion of oil and oxide in the waste is high. The melting process is different from the electric steelmaking furnace, converter and open hearth. The chemical reaction between the molten iron slag slag produces a large amount of flue gas and a high concentration of dust.

Scrap steel contains dust, oxide particles, residual oil and other substances. These materials will rise and burst with the hot air flow and the bubbles generated by the molten steel during the melting process of the intermediate frequency furnace. During the electromagnetic stirring and the pouring of molten steel, the residual oil in the scrap steel and Oxide and other substances emit a large amount of flue gas, and the dust concentration and the exhaust gas temperature are high at this time. In addition, the emissions of smoke and soot at various stages are constantly changing. The flue gas also contains small particles such as iron oxide dust, manganese oxide, silica dust and other oxides. The causes of soot in the medium frequency induction furnace are many. The main influencing factors are the composition of the charge, the quality of the charge and the metallurgical process.

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