Molten steel electrochemical desulphurization method and apparatus
An electrochemical and molten steel technology, applied in the field of steelmaking and refining, can solve the problems of inability to meet the requirements of low carbon, environmental protection and sustainable development, inability to meet the requirements of molten steel purification, increase smelting costs, etc., to ensure deep desulfurization. effect, prolongation of refining processing time, and the effect of convenient operation
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[0026] The present invention will be further described below by way of examples.
[0027] First add 300-450Kg of scrap steel into the furnace body 4, after the scrap steel is completely melted, add slag 3 into molten steel 5, control the amount of slag 3 added per 100Kg of molten steel at 2-10Kg, and wait until slag 3 is completely melted Finally, the thickness of the molten slag 3 is measured, and its thickness is controlled at 30-150 mm. After the slag 3 and the molten steel 5 have reacted and balanced, the molten steel is subjected to temperature measurement and oxygen determination treatment, and the multiple anodes 9 installed on the anode support 8 are lowered to the slag 3, and ensure that the anode 9 is only in contact with the slag 3 and not with the molten steel 5. Then by the external DC power supply 10 through the anode 9 inserted into the slag 3 and the cathode 11 placed in the bottom of the body of furnace 1 in contact with the molten steel 5, applying a DC volt...
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