不锈钢粉尘中低温氢还原实验研究

1.上海大学,上海市钢铁冶金新技术开发与应用重点实验室,上海,200072

2.上海大学,上海市钢铁冶金新技术开发与应用重点实验室,上海,200072

3.上海大学,上海市钢铁冶金新技术开发与应用重点实验室,上海,200072

4.上海大学,上海市钢铁冶金新技术开发与应用重点实验室,上海,200072

基金项目: 国家自然科学基金(50634040)

Investigation on hydrogen reduction of stainless steel dust at low temperatures

分析了不锈钢粉尘的矿相结构,并对粉尘中各氧化物还原的热力学进行计算,采用自行设计的竖直螺旋管输送反应器,对不锈钢粉尘在中低温条件下进行氢还原实验,探讨了温度和反应时间对粉尘还原率的影响.结果表明,最长还原时间达到300 s,反应温度从500到700 ℃,还原率从39.36%升高到64.30%.

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