利用热镀锌渣制备超细锌粉的试验研究 |
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引用本文: | 卜二军,薛向欣,杨合. 利用热镀锌渣制备超细锌粉的试验研究[J]. 粉末冶金工业, 2016, 0(4). DOI: 10.13228/j.boyuan.issn1006-6543.20150076 |
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作者姓名: | 卜二军 薛向欣 杨合 |
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作者单位: | 1. 东北大学冶金学院资源与环境系,辽宁沈阳110819; 河钢集团邯钢公司技术中心,河北邯郸056015; 东北大学冶金资源与环境工程研究所,辽宁沈阳110819;2. 东北大学冶金学院资源与环境系,辽宁沈阳110819; 东北大学冶金资源与环境工程研究所,辽宁沈阳110819 |
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基金项目: | 河北省自然科学基金资助项目(E2010001921) |
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摘 要: | 利用冷轧厂热镀锌渣为原料,采用蒸发-冷凝法直接制备出超细锌粉。采用新型蒸发装置、冷却装置,考察了最大蒸发温度、恒温时间、保护气体通入量、蒸发物料量、冷却强度等对锌粉收得率及粒度分布的影响。对所得超细锌粉的化学成分、粒度分布、XRD和微观结构进行测试,并讨论了锌粉团聚的原因及对策。
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关 键 词: | 热镀锌渣 超细锌粉 综合利用 冷凝法 |
Experimental study on the preparation of ultrafine zinc powder by hot-dip galvanizing slag |
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Abstract: | The hot galvanizing slag from cold rolling mill was used as raw materials,ultrafine zinc powder was prepared by evaporation condensation method. Using new evaporation device and cooling device,effects of maxi-mum evaporation temperature,temperature holding time,protective gas quantity,evaporation materials and cool-ing intensity on the yield of zinc powder and particle size distribution were studied. The resulting particle size dis-tribution,chemical composition,XRD and microstructure of the ultrafine zinc powder were tested,and the causes and countermeasures of zinc powder conglobation were discussed. |
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Keywords: | hot-dip galvanizing slag ultrafine zinc powder comprehensive utilization condensation method |
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