以造粒粒度分布为研究对象,通过原料粒度及粒度分布、水分质量分数对造粒粒度分布影响的实验室研究,改进和优化烧结生产工艺,提出一套合理的烧结生产控制模型,以实现烧结生产的自动化控制和造粒粒度分布的预测.研究结果:在适宜的造粒水分范围内,随水分质量分数的增加,造粒粒度增加;但当水分质量分数过大时,造粒粒度反而减小.原料粒度对造粒粒度的影响是主要因素,而水分质量分数对造粒粒度的影响是次要因素.由造粒粒度分布数学模型得出的预测值与试验值之间有较好的一致性,原料粒度分布为正态分布时造粒粒度分布也为正态分布,并且造粒粒度分布的质量概率密度函数可由原料粒度分布的质量概率密度函数和原料粒度分割系数确定.
参考文献
| [1] | Bryan J. Ennis .Agglomeration and size enlargement Session summary paper[J].Powder Technology,1996(3):203-225. |
| [2] | Formoso A;Moro A;Pello G F et al.Influence of Nature and Particle Size on Granulation of Iron Ore Used in a Sinter Strand[J].Ironmaking and Steelmaking,2003,30(06):447. |
| [3] | Adetayo A A;Litster J D;Desai M .The Effect of Process Parameters on Drum Granulation of Fertilizers With Broad Size Distributions[J].Chemical Engineering Science,1993,48(23):3951. |
| [4] | Link JM;Godlieb W;Deen NG;Kuipers JAM .Discrete element study of granulation in a spout-fluidized bed[J].Chemical Engineering Science,2007(1/2):195-207. |
| [5] | M.V.Ramos;E.Kasai .Numerical Simulation Model of the Iron Ore Sintering Process Directly Describing the Agglomeration Phenomenon of Granules in the Packed Bed[J].ISIJ International,2000(5):448-454. |
| [6] | Anders Darelius;Henric Brage;Anders Rasmuson et al.A Volume-Based Multi-Dimensional Population Balance Approach for Modeling High Shear Granulation[J].Chemical Engineering Science,2006,61(08):2482. |
| [7] | Cameron IT;Wang FY;Immanuel CD;Stepanek F .Process systems modelling and applications in granulation: A review[J].Chemical Engineering Science,2005(14):3723-3750. |
| [8] | Charles David Immanuel;Francis Joseph Doyle Ⅲ .Solution Technique for a Multi-Dimensional Population Balance Model Describing Granulation Processes[J].Powder Technology,2005,156(2-3):213. |
| [9] | Ceylan K;Kelbaliyev G .Stochastical Modeling of the Granule Size Distribution in the Agglomeration Processes of Powdered Materials[J].Powder Technology,2001,119(2-3):173. |
| [10] | Tan HS;Salman AD;Hounslow M .Kinetics of fluidised bed melt granulation III: Tracer studies[J].Chemical Engineering Science,2005(14):3835-3845. |
| [11] | Tan H S;Salman A D;Hounslow M J .Kinetics of Fluidized Bed Melt Granulation Ⅳ:Selecting the Breakage Model[J].Powder Technology,2004,143-144(01):65. |
| [12] | Tan HS;Salman AD;Hounslow MJ .Kinetics of fluidised bed melt granulation V: Simultaneous modelling of aggregation and breakage[J].Chemical Engineering Science,2005(14):3847-3866. |
| [13] | Bardin M;Knight P C;Seville J P K .On Control of Material Size Distribution in Granulation Using High-Shear Mixers[J].Powder Technology,2004,140(03):169. |
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