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。
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 maximum evaporation temperature,temperature holding time,protective gas quantity,evaporation materials and cooling intensity on the yield of zinc powder and particle size distribution were studied. The resulting particle size distribution,chemical composition,XRD and microstructure of the ultrafine zinc powder were tested,and the causes and countermeasures of zinc powder conglobation were discussed.
出处
《粉末冶金工业》
CAS
北大核心
2016年第4期17-22,共6页
Powder Metallurgy Industry
基金
河北省自然科学基金资助项目(E2010001921)
关键词
热镀锌渣
超细锌粉
综合利用
冷凝法
hot-dip galvanizing slag
ultrafine zinc powder
comprehensive utilization
condensation method
