Phosphorous pig iron carbon increasing method for aluminum electrolysis
A technology for carburizing pig iron and electrolysis of phosphorus is applied in the field of carbonization of aluminum electrolytic phosphorus pig iron. Cost reduction and good carbon-increasing effect
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[0011] First add a layer of iron in the 2t intermediate frequency furnace, the carbon content in the iron block is 2.5%, and then add a layer of carbon particles (the carbon particles are broken by the waste anode and passed through a 5mm and 1mm mesh screen, the particle size is 1- 5mm, 30kg), and then fill up with iron (the total amount of iron is 2000kg). The carbon particles are located below the middle of the intermediate frequency furnace. Compared with graphite powder, pre-calcined coke, post-calcined coke, recarburizer and bulk carbon, the carbon particles volatilize less during the production process of the intermediate frequency furnace, the surface slag of the molten iron is less and clearer, and the fluidity is better.
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