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投稿时间:2010-11-10
投稿时间:2010-11-10
中文摘要: 以95级无定形硼粉为原材料,采用喷雾干燥法制备包覆团聚硼粉。考察了不同工艺参数、不同偶联剂对包覆团聚效果影响,并对团聚后的硼粉进行性能表征。理论分析和实验结果表明,采用偶联剂可有效提高团聚颗粒机械强度,并且A1偶联剂为料浆体系适合采用的偶联剂;通过控制喷雾参数可有效控制团聚颗粒形貌和粒度,并且回收率高,适合批量化生产,制备的包覆团聚硼粉球形度高,流动性能好,比表面积明显降低。
Abstract:Amorphous boron powder of 95 percent was coated and agglomerated by spray drying method. And the effects of different process parameters and different coupling agent on the agglomeration and coat were studied.It was found that coupling agent can effectively improve the mechanical strength of agglomerate particles, especially the A1 coupling agent is suitable for the slurry system. The results showed that the method can effectively control the particle morphology and size aggregates by controlling of spray parameters with a high recovery rate and it is suitable for mass production. The coated and agglomerated boron powder has appropriate solvent, good flow properties and lower surface area.
keywords: boron-based propellant boron agglomerate spray drying
文章编号:20110211 中图分类号: 文献标志码:
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引用文本:
张春鸣,曾克里,张 鑫,任先京.喷雾干燥法制备包覆团聚硼粉研究[J].矿冶,2011,20(2):44~48.
张春鸣,曾克里,张 鑫,任先京.喷雾干燥法制备包覆团聚硼粉研究[J].矿冶,2011,20(2):44~48.