Arsenic removal method for molten steel with high arsenic content

The invention belongs to the technical field of metal material preparation, and relates to an arsenic removal method for high-arsenic-content molten steel, aiming at the high-arsenic-content molten steel, a deoxidizing agent is firstly added into the molten steel for deoxidizing, then a rare earth arsenic removal agent is added into the molten steel for arsenic removal, the adding amount of the rare earth arsenic removal agent is 0.85-0.95% of the mass of the molten steel, arsenic removal of the high-arsenic-content molten steel can be achieved, and the arsenic removal rate of the high-arsenic-content molten steel is increased. The arsenic removal rate is greater than or equal to 68%, arsenic harm caused by waste steel circulation is reduced, and industrial popularization and application are facilitated. 本发明属于金属材料制备技术领域，涉及一种高砷含量钢液的脱砷方法，针对高砷含量钢液，先向钢液中加入脱氧剂进行脱氧，然后向钢液中加入稀土脱砷剂进行脱砷，稀土脱砷剂的加入量为钢液质量的0.85～0.95％，可以实现高砷含量钢液的脱砷，脱砷率≥68％，有利于降低废钢循环引起的砷危害，便于工业化推广应用。