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污泥水焦浆管道输送的壁面滑移和减阻特性

, PP. 46-51

Keywords: 污泥,水焦浆,壁面滑移,真实流变特性,滑移减阻

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Abstract:

在小型浆体输送试验装置上系统地研究了污泥水焦浆的流变特性、滑移速度和阻力特性。采用Tikhonov正则化方法确定了水焦浆的真实流变特性和壁面滑移速度,研究了污泥添加量对水焦浆真实流变特性、壁面滑移效应、阻力特性和滑移减阻特性的影响。结果表明:水焦浆为胀塑性流体;向水焦浆中添加5%的污泥,浆体的剪切增稠特性减弱;污泥添加量达到10%时,水焦浆随剪切速率增大由胀塑性流体向假塑性流体转变。水焦浆的滑移速度随剪切速率呈加速

References

[1]  高夫燕,刘建忠,王传成,等. 石油焦的成浆性及水焦浆的流变性和稳定性[J]. 化工学报, 2010,61(11):2912-2918. Gao Fuyan,Liu Jianzhong,Wang Chuancheng,et al.Slurryability of petroleum coke and rheological characteristics and stability of PCWS[J].CIESC Journal,2010,61(11)
[2]  展秀丽,刘鑫,徐少特,等. 灰渣对石油焦浆稳定性的影响研究[J]. 化学工程, 2010,38(3):86-90. Zhan Xiuli,Liu Xin,Xu Shaote,et al.Effect of coal slag on stability of petroleum coke water slurry[J].Chemical Engineering (China),2010,38(3)
[3]  邹建辉,杨波丽,龚凯峰,等. 石油焦成浆性能的研究[J]. 化学工程, 2008,36(3):22-25. Zou Jianhui,Yang Boli,Gong Kaifeng,et al.Research on slurryability of petroleum coke[J].Chemical Engineering (China),2008,36(3)
[4]  李明,李伟东,李伟锋,等. 污泥与石油焦的共成浆性[J]. 石油学报石油加工, 2008,24(6):663-668. Li Ming,Li Weidong,Li Weifeng,et al.Co-slurry ability of sewage sludge and petroleum coke[J].Acta Petrolei Sinica (Petroleum Processing Section),2008,24(6)
[5]  Crawford B,Watterson J K,Spedding P L,et al. Wall slippage with siloxane gum and silicon rubbers[J]. Journal of Non-Newtonian Fluid Mechanics, 2005(129):38-45.
[6]  Yeow Y L,Leong Y k. ,Ash K. Non-Newtonian flow in parallel-disk viscometers in the presence of wall slips[J].Journal of Non-Newtonian Fluid Mechanics, 2006,139(2):85-92.
[7]  Ottinger H C. Thermodynamic formulation of wall slip[J]. Journal of Non-Newtonian Fluid Mechanics, 2008,152(3):66-75.
[8]  陈良勇,段钰锋,刘猛,等. 壁面滑移条件下水煤浆的流动阻力和减阻特性[J]. 中国电机工程学报, 2010,30(5):41-48. Chen Liangyong,Duan Yufeng,Liu Meng,et al.Flow resistance and drag-reduction properties of coal water slurries in pipe flow with the presence of wall slip[J].Proceedings of the CSEE,2010,30(5)
[9]  马修元,段钰锋,刘猛,等. 基于PSO-BP神经网络的水焦浆管道压降预测[J]. 中国电机工程学报, 2012,32(5):54-60. Ma Xiuyuan,Duan Yufeng,Liu Meng,et al.Prediction of pressure drop of coke water slurry flowing in pipeline by PSO-BP neural network[J].Proceedings of the CSEE,2012,32(5)
[10]  孟令杰,孔珑,章名耀. 水煤浆管内流动的相似准数及其阻力特性[J]. 化工学报, 1995,46(3):298-303. Meng Lingjie,Kong Long,Zhang Mingyao.Similitude criterion and resistance characteristics of coal-water slurry flowing in pipe[J].Journal of Chemical Industry and Engineering,1995,46(3)
[11]  Ruiz-Viera M J. Delgado M A,Franco J M. On the drag reduction for the two-phase horizontal pipe flow of highly viscous non-Newtonian liquid/air mixtures:Case of lubricating grease[J].International Journal of Multiphase Flow, 2006,32(2):232-247.
[12]  Yeow Y L,Lee H L,Melvani A R,et al. A new method of processing capillary viscometry data in the presence of wall slip[J]. Journal of Rheology, 2003,47(2):337-348.
[13]  Yeow Y L,Nguyen Y T,Thuy D V,et al. Processing the capillary viscometry data of fluids with yield stress[J]. Rheologica Acta, 2000,39(1):392-398.
[14]  Wang Z Y,Lam Y C,Chen X,et al. Viscosity corrections for concentrated suspension in capillary flow with wall slip[J]. AIChE Journal, 2010,56(6):1447-1455.
[15]  Kalyon D M. Apparent slip and viscoplasticity of concentrated suspensions[J]. Journal of Rheology, 2005,49(3):621-640.
[16]  Chakrabandhu K,Singh R K. Wall slip determination for coarse food suspensions in tube flow at high temperatures[J]. Journal of Food Engineering, 2005,70(1):73-81.
[17]  Boersma W H,Laven J,Stein H N. Shear thickening (dilatancy) in concentrated dispersions[J]. AlChE Journal.1990, 36(3),321-332.
[18]  Chu C P,Lee D J. Structural analysis of sludge flocs[J]. Advanced Powder Technology, 2004, 15(5),515-532.
[19]  Fernandes R L J,Jutte B M,Rodriguez M G. Drag reduction in horizontal annular two-phase flow[J]. International Journal of Multiphase Flow, 2004,30(9):1051-1069.
[20]  Tixier,Guibaud,et al. Towards a rheological parameter for activated sludge bulking char-acterisation[J]. Enzyme and Microbial Technology, 2003,33(3):292-298.

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