1. 毕业设计（论文）的内容和要求

查阅相关文献及专业书籍了解液固流化床的发展与历史，了解已有成果以及存在的问题，对论文的研究方向有较深入的认识。

采取合适的实验步骤，适宜的实验条件，研究颗粒下落速度与固体含量和不同颗粒特性的关系。

将粒子设置速度应用于lscfb建模。

2. 参考文献

[1] T.E. Baldock*,M.R. Tomkins, P. Nielsen,etc.Settling velocity of sediments at high concentrations[J].coastal engineering,2004,51:91-100. [2] O.J.I.Kramer,P.J.de Moel,E.T.Baars,etc.Improvement of the Richardson-Zaki liquid-solid fluidisation model on the basis of hydraulics[J].Powder Technology,2019,343:465-478. [3] A. Graveland, J.C. van Dijk, P.J. de Moel, J.H.C.M. Oomen. Developments in water softening by means of pellet reactors J. AWWA - Am. Water Work. Assoc. (1983), pp. 619-625 [4] J.A.M.H. Hofman, O.J.I. Kramer, J.P. van der Hoek, M.M. Nederlof, M. Groenendijk. Twenty years of experience with central softening in the Netherlands, water quality, environmental benefits and costs Water 21, Int. Symp. Heal. Asp. Calcium Magnes. Drink. Water, Washington, DC (2007), pp. 1-8 [5] K.M. van Schagen, L.C. Rietveld, R. Babu#353;ka, O.J.I. Kramer Model-based operational constraints for fluidised bed crystallisation Water Res., 42 (2008), pp. 327-337 [6] M.J.A. Schetters, J.P. van der Hoek, O.J.I. Kramer, L.J. Kors, L.J. Palmen, B. Hofs, H. Koppers. Circular economy in drinking water treatment: reuse of ground pellets as seeding material in the pellet softening process Water Sci. Technol., 71 (2015), pp. 479-486 [7] L.J. Palmen, M.J.A. Schetters, J.P. van der Hoek, O.J.I. Kramer, L.J. Kors, B. Hofs, H. Koppers. Circular economy in drinking water treatment: re-use of grinded pellets as seeding material in the pellet softening process IWA World Water Congr. Exhib. Lisbon, Lisbon (2014), p. 1

3. 毕业设计（论文）进程安排

2019.02.23-03.15 查阅文献，完成翻译和开题报告 2019.03.12-04.1 熟悉实验装置，测颗粒性质 2019.04.2-04.30 进行实验 2019.05.1-06.06 撰写毕业论文和答辩ppt