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科技导报  2014 

高浓度超细全尾砂充填料浆管道输送阻力模型

DOI: 10.3981/j.issn.1000-7857.2014.24.007, PP. 51-55

Keywords: 超细全尾砂,管道输送阻力,Fluent,数值模拟,因次分析法

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Abstract:

为准确计算某矿山高浓度超细全尾砂充填料浆管道输送阻力损失,在固-液两相流理论的基础上,综合全尾砂充填料浆管道输送阻力影响因素,通过因次分析法构建高浓度超细全尾砂充填料浆管道输送阻力模型。运用计算流体动力学方法(CFD)研究充填料浆体积浓度、流速、管道直径、固体混合料密度等因素对管道输送阻力的影响,得到360组管道阻力损失值;采用最小二乘法回归计算管道输送阻力模型系数,并抽取4组常用工况点对计算模型进行误差分析,根据回归系数显著性检验方法,得到各因素的影响程度关系。计算模型结果与泵送环管实验的误差在5%左右,能满足本矿山充填系统设计需要。

References

[1]  王新民, 古德生, 张钦礼. 深井矿山充填理论与管道输送技术[M]. 长 沙: 中南大学出版社, 2010: 1-6. Wang Xinmin, Gu Desheng, Zhang Qinli. Theory of backfilling activity and pipeline transportation technology of backfill in deep mines[M]. Changsha: Central South University Press, 2010: 1-6.
[2]  吴迪, 蔡嗣经, 杨威, 等. 基于CFD的充填管道固-液两相流输送模拟 及试验[J]. 中国有色金属学报, 2012, 22(7): 40-44. Wu Di, Cai Sijing, Yang Wei, et al. Simulation and experiment of backfilling pipeline transportation of soild-liquid two-phase flow based on CFD[J]. Chinese Journal of Nonferrous Metals, 2012, 22(7): 40-44.
[3]  王新民, 丁德强, 吴亚斌, 等. 膏体充填管道输送模拟与分析[J]. 中国矿 业, 2006, 15(7): 91-96. Wang Xinmin, Ding Deqiang, Wu Yabin, et al. Numerical simulation and analysis of paste backfilling with piping transport[J]. China Mining Magazine, 2006, 15(7): 91-96.
[4]  赵建文. 充填系统技术研究与工艺流程设计书[R]. 长沙: 湖南中大设 计院有限公司, 2011. Zhao Jianwen. Technology research and process design of the filling system[R]. Changsha: Hunan Zhongda Design Institute Co. Ltd, 2011.
[5]  张钦礼, 谢盛青, 郑晶晶, 等.充填料浆沉降规律研究及输送可行性分 析[J]. 重庆大学学报, 2011, 34(1): 68-73. Zhang Qinli, Xie Shengqing, Zheng Jingjing, et al. Sedimentation law research and transportation feasibility study of backfilling slurry[J]. 2011, 34(1): 68-73.
[6]  周知进, 刘爱军, 夏毅敏, 等. 颗粒组分特性对杨矿硬管输送速度的 影响[J]. 中南大学学报, 2011, 42(9): 2692-2697. Zhou Zhijin, Liu Aijun, Xia Yimin, et al. Influence of particles component properties on transporting speed in lifting pipeline[J]. Journal of Central South University, 2011, 42(9): 2692-2697.
[7]  王天刚, 黄玉诚, 李飞跃. 在稳定流状态下似膏体料浆流变特性研究[J]. 有色矿山, 2003, 32(6): 257-262. Wang Tiangang, Huang Yucheng, Li Feiyue. Study on rheologucal characteristic of paste-like slurry under the condition of steady flow[J]. Nonferrous Mines, 2003, 32(6): 257-262.
[8]  陶平凯. 黄沙坪矿深部开采充填管道输送参数计算与仿真[J]. 金属 矿山, 2012, 435(9): 25-30. Tao Pingkai. Pipe-conveying parameter calculation and simulation validation of deep mining filling system of hongshaping mine[J]. Metal Mine, 2012, 435(9): 25-30.
[9]  Bai H, Theuerkauf J, Gillis P A, et al. A coupled DEM and CFD simulation of flow field and pressure drop in fixed bed reactor with randomly packed catalyst particles[D]. Industrial & Engineering Chemitry Research, 2009, 48(8): 4060-4074.
[10]  廖异, 曾祥国. Hoek-Brown岩体非线性强度的线性化方法[J]. 中南 大学学报, 2012, 43(12): 205-210. Liao Yi, Zeng Guoxiang. Linearization method of non-linear strength of Hoek-Brown rocks mass[J]. Journal of Central South University 2012, 43(12): 205-210.
[11]  解海卫. 粉煤灰浓浆管道流动特性与阻力特性的研究[D]. 北京: 华 北电力大学, 2004. Xie Haiwei. Investigation on flow properties and resistance properties of condensed wet fly ash in pipeline[D]. Beijing: North China Electric Power University, 2004.
[12]  李国政. 充填料浆环管试验计算机仿真应用的研究[J]. 黄金, 2008, 29(4): 52-58. Li Guozheng. Computer simulation application research of circular canal filling pulp test[J]. Gold, 2008, 29(4): 52-58.
[13]  赵立娟. 不同粒径泥沙管道水力输送阻力特性研究[D]. 南京: 河海大 学, 2002. Zhao Lijuan. A study on resistance characteristic of hydraulically transporting sands with different size in pipelines[D]. Nanjing: Hohai University, 2002.
[14]  王新民, 张德明, 张钦礼, 等. 基于FLOW-3D软件的深井膏体管道自 流输送性能[J]. 中南大学学报, 2011, 42(7): 2101-2107. Wang Xinmin, Zhang Deming, Zhang Qinli, et al. Pipeline self-flowing transportation property of paste based on FLOW-3D software in deep mine[J]. Journal of Central South University, 2011, 42(7): 2101-2107.
[15]  王洪武. 多相复合膏体充填料配比与输送参数优化[D]. 长沙: 中南 大学, 2010. Wang Hongwu. Optimum material proportion and transportation parameter of multiphase complex paste backfill[D]. Changsha: Central South University, 2010.
[16]  黄贯虹, 方刚. 系统工程方法与应用[M]. 广州: 暨南大学出版, 2005. Huang Guanhong, Fang Gang. System engineering method and application[M]. Guangzhou: Jinan University Press, 2005.
[17]  王晓宇. 金川矿山废石-全尾砂高浓度充填料浆阻力模型研究[D]. 昆 明: 昆明理工大学, 2010. Wang Xiaoyu. Pulp resistance model research of waste rock-whole tailings and high concentration materials filling in Jinchuan[D]. Kunming: Kunming University of Science and Technology, 2010.
[18]  耿俊俊. 龙首矿深部充填系统可靠性及扩能技术方案研究[D]. 长沙: 中南大学, 2009. Geng Junjun. Study of Longshou mine deep piping reliability and expansion technique project[D]. Changsha: Central South University, 2009.

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