Silicon-barium-potassium system deoxidier for steelmaking and preparation method thereof
A technology of deoxidizer and silicon barium, applied in the field of steelmaking, can solve problems such as high cost and unsmoothness, and achieve the effects of smooth process, content reduction and steelmaking cost reduction
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[0010] Embodiment 1: silicon-barium-potassium deoxidizer for steelmaking, the parts by weight of its raw materials are: quartz sand 72, barite 35, potassium feldspar 8, fluorite 12, bauxite 18, charcoal 4, vermiculite twenty two.
[0011] Each raw material is weighed according to the weight of the raw materials, crushed to 50-100 mm, impurities are removed, and put into a submerged arc furnace for smelting. The smelting temperature is 2500-2700 ° C, and the smelting time is 2-3 hours. The crushed product is the finished product.
[0012] The following is the deoxidation test, the test steel is low carbon steel, used in 2# furnace, 1.40kg / t steel
[0013] Hot metal conditions:
[0014] [S]S% [P]% 0.037-0.032 0.190-0.150
[0015] Deoxygenation result:
[0016] serial number furnace number Addition amount of the present invention (kg) Oxygen content (PPm) 1 2-12807 20 45.36 2 2-12808 20 46.27 3 2-12809 20 45.25 4 2-1...
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