气流粉碎是近年来发展起来的一种新型微纳米粉体制备技术,然而采用该方法制备的粉体在一定程度上会自发团聚形成团聚体.将静电分散与气流粉碎相结合,研究了不同粒径的原始粉料经气流粉碎/静电分散方法处理后的粒径分布以及粒径随时间的变化关系,得到了气流粉碎/静电分散中荷电电压对所制备粉体粒径分布的影响规律和颗粒荷电分散的时效性,结果表明荷电电压越高粉体分散性越好,经J/E处理后粉体粒径随时间变化关系满足d=Aet/B+d0.
参考文献
[1] | 张文臣,方以坤,朱明刚,赵睿,王景代.磁粉粒度对2:17型Sm-Co烧结磁体性能及微结构的影响[J].功能材料,2011(03):498-500,504. |
[2] | 马飞飞,王雅萍.超细气流粉碎技术的研究新进展[J].湖南冶金,2006(06):42-46. |
[3] | 蔡艳华,马冬梅,彭汝芳,俞海军,楚士晋,左金.超音速气流粉碎技术应用研究新进展[J].化工进展,2008(05):671-674,714. |
[4] | Samayamutthirian Palaniandy;Nurdina Abd Kadir;Mariatti Jaafar .Value adding limestone to filler grade through an ultra-fine grinding process in jet mill for use in plastic industries[J].Minerals Engineering,2009(7/8):695-703. |
[5] | Rajeswari M S R;Azizli K A M;Hashim S F S et al.CFD simulation and experimental analysis of low dynamics and grinding performance of opposed fluidized bed air jet mill[J].International Journal of Mineral Processing,2011,98(1-2):94-105. |
[6] | O. Lecoq;A. Chamayou;J.A. Dodds.Application of a simplifying model to the breakage of different materials in an air jet mill[J].International Journal of Mineral Processing,2012:7-12. |
[7] | Shuli Teng;Peng Wang;Qi Zhang .Analysis of Fluid Energy Mill by gas-solid two-phase flow simulation[J].Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems,2011(3):684-693. |
[8] | 万超,沈志刚.对撞射流粉碎制备纳米氧化铝实验[J].中国粉体技术,2007(06):45-46. |
[9] | Mechanochemical effects on talc during fine grinding process in a jet mill[J].International Journal of Mineral Processing,2009(1/2):22-33. |
[10] | 李凤生;宋洪昌.气流粉碎过程中的静电问题[J].化工进展,1995(02):15-18. |
[11] | 曹智,苏小莉,李庆华,许石豪,刘丰,张治军.纳米氧化锌的气流粉碎改性及应用研究[J].功能材料,2010(03):537-540. |
[12] | 任俊,卢寿慈,沈健,喻春红,胡柏星.超细颗粒的静电抗团聚分散[J].科学通报,2000(21):2289-2292. |
[13] | Ren J.;Shen J.;Yu CH.;Lu SC. .Research on the composite dispersion of ultra fine powder in the air[J].Materials Chemistry and Physics,2001(1/3):204-209. |
[14] | Ren J;Lu S C;Shen J et al.Electrostatic dispersion of fine particles in the air[J].Powder Technology,2001,120(03):187-193. |
[15] | Ren J;Lu S C;Tang F Q .The voltage-current characteristics and dispersion effect of RLW electrostatic dispersern[J].Powder Technology,2003,135-136:261-265. |
[16] | Bellan J;Harstad K .Electrostatic dispersion and evaporation of clusters of drops of high-energy fuel for soot control[J].Symposium (International) on Combustion,1996,26(01):1713-1722. |
[17] | 徐晓多;刘 锐 .纳米CaCO3在涂料改性中的应[J].技术与教育,2009,23(02):36-38. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%