一种利用低品位镍料高效冶炼含镍铁水的方法及其应用

本申请公开了一种利用低品位镍料高效冶炼含镍铁水的方法，包括以下步骤：步骤一：将低品位镍料与石灰混合并进行氧化焙烧，获得镍铁矿料；步骤二：将所述镍铁矿料与第一还原剂、硫酸钠、水和粘结剂进行造粒获得镍铁矿颗粒球团，将所述镍铁矿颗粒球团加入至回转窑中，再混入第二还原剂，进行预还原处理，获得高品位镍铁原料；步骤三：将所述高品位镍铁原料利用SRV炉进行熔融还原，获得所述含镍铁水。本申请提供的高效冶炼含镍铁水的方法，通过优化原料条件和预处理工艺，使得入炉原料中镍铁品味显著提高，实现了低成本、高质量、连续化的含镍铁水的冶炼，可直接应用于AOD精炼炉冶炼含镍不锈钢。 Provided in the present application is a method for smelting a nickel-containing metal, which comprises the following steps: step one, mixing a low grade nickel material with lime and performing oxidative roasting, and obtaining a nickel-iron ore material; step two, performing pelletization on the nickel-iron ore material with a first reducing agent, sodium sulfate, water, and a binding agent and obtaining nickel-iron ore granule pellets, adding the nickel-iron ore granule pellets into a rotary kiln, then adding a second reducing agent, performing pre-reduction, and obtaining a high grade nickel-iron raw material; and step three, using an SRV furnace and performing smelting reduction on the high grade nickel-iron raw material, and obta