High Level Metal Ferro Silicon Barium

A barium ferro silicon alloy production process is characterized in that by adjusting the process parameters and raw material ratio, raw materials such as silica, barite, lime, coke, and iron scraps are mixed and directly injected into a submerged arc furnace for production by carbon thermal method, thereby overcoming the shortcomings of the existing two-step production process of barium ferrosilicon alloy, such as high energy consumption, high cost, and low recovery rate of Ba and Si. This process can be applied to various ferroalloy plants.

1.A low-silicon ferro silicon-barium alloy used as a deoxidizer and desulfurizer for steelmaking. It is prepared by mixing ferrosilicon, lime, barium ore, carbonaceous reducing agent, carbon scrap steel and fluorite in a certain proportion, adding the mixture into a graphite crucible placed in a medium-frequency induction furnace with a magnesia knotted furnace lining, heating it with electricity, and refining it for 10 to 18 minutes after all the materials are melted, to obtain a liquid low-silicon ferrosilicon-calcium-barium-iron alloy, which is poured into an ingot mold, cooled and broken into blocks. The alloy composition (by weight) is Si 20 to 40%, Ca 5 to 18%, Ba 5 to 20%, and the remainder is iron and impurities. The silicon content of the alloy is 1/3 lower than that of the ferrosilicon-calcium-barium-iron alloy produced by a submerged arc furnace, and is also 1/3 lower than that of the ferrosilicon-calcium-barium-iron alloy produced by a remelting method, which meets the needs of low-silicon steel production and improves the quality of steel and the qualified rate of products. Due to the low silicon and impurity content of the alloy, the demand is increasing and it has good economic benefits.

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