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包钢铁水中含磷很高,还含有铌,炼钢任务繁重。为了综合利用资源,减轻炼钢任务,提高炼钢生产能力,提高钢的质量,近年来他们利用当地的天然碱资源进行了铁水脱铌、脱磷和脱硫试验。一种方法是以氮气作载体,脱硫剂用天然碱。氮气用量2. 5～5米~3/吨·铁,喷吹缶压力1～3公斤/厘米~2,铁水温度1250°～1350℃。天然碱加入量在0. 5～1. 3%时,脱硫
High phosphorus steel package contains phosphorus, but also contains niobium, heavy steelmaking tasks. In order to comprehensively utilize resources, reduce the task of steelmaking, improve the steelmaking capacity and improve the quality of steel, in recent years they used the local natural alkali resources to carry out the niobium dephosphorization, dephosphorization and desulfurization tests. One method is to use nitrogen as carrier, desulfurization agent with trona. Nitrogen dosage 2. 5 ~ 5 m ~ 3 / t · iron, spray 缶 pressure 1 ~ 3 kg / cm ~ 2, the temperature of the molten iron 1250 ° ~ 1350 ℃. Trona addition at 0. 5 ~ 1.3%, desulfurization