纳米流体的化学抑尘性能试验研究
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摘要
为探究纳米流体的化学抑尘效果,利用2步法用粒径约为40 nm的氧化铜颗粒、二氧化硅纳米颗粒、2 mg/m L的氧化石墨烯溶液制备不同浓度的纳米流体进行抑尘性能测试。测试并分析所配制溶液的抗蒸发性、吸湿性和抗风蚀性等3种抑尘性能指标。结果表明:纳米流体的抗蒸发性能不明显,10%SiO2-水纳米流体有一定的抑尘效果;不同浓度纳米流体的吸湿率无较大差异,总体偏低;纳米流体的抗风蚀性能突出,风速越高,纳米流体的抗风蚀性能越显著。
In order to explore the chemical dust suppression effect of nanofluids,different concentrations of nanofluids were prepared by using " two-step method" including the particle size of about 40 nm of CuO particles,SiO2 nanoparticles and 2 mg/m L of oxidation graphene. The properties of anti-evaporation,moisture absorption and anti-wind erosion were studied experimentally. The results show that the anti-evaporation performance of nanofluids was not obvious,that 10%SiO2-water nano-fluid has a certain dust inhibition efficiency,that there is no significant difference in the moisture absorption rate of nano-fluid between different concentrations,and the rate is generally low,and that the nanofluids have outstanding anti-wind erosion performance,and the higher the wind speed is,the more significant the wind erosion resistance of nanofluids will be.
In order to explore the chemical dust suppression effect of nanofluids,different concentrations of nanofluids were prepared by using " two-step method" including the particle size of about 40 nm of CuO particles,SiO2 nanoparticles and 2 mg/m L of oxidation graphene. The properties of anti-evaporation,moisture absorption and anti-wind erosion were studied experimentally. The results show that the anti-evaporation performance of nanofluids was not obvious,that 10%SiO2-water nano-fluid has a certain dust inhibition efficiency,that there is no significant difference in the moisture absorption rate of nano-fluid between different concentrations,and the rate is generally low,and that the nanofluids have outstanding anti-wind erosion performance,and the higher the wind speed is,the more significant the wind erosion resistance of nanofluids will be.
引文
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[22]YANG B,HAN Zenghu.Thermal conductivity enhancement in water-in-FC72 nanoemulsion fluids[J].Applied Physics Letters,2006,88(26):261914.
[23]吴超,周勃.卤化物与水玻璃复合物的抑尘性能[J].中南工业大学学报,1997,28(6):12-14.WU Chao,ZHOU Bo.Dust suppression performance of halide and water glass composite[J].Journal of Central South University of Technology,1997,28(6):12-14.
[24]CHOI S U S,ZHANG Z G,YU W,et al.Anomalous thermal conductivity enhancement in nanotube suspensions[J].Applied Physics Letters,2001,79(14):2 252-2 554.
[25]彭小飞,俞小莉,夏立峰.纳米流体悬浮稳定性影响因素[J].浙江大学学报:工学版,2007,41(4):577-580.PENG Xiaofei,YU Xiaoli,XIA Lifeng.Factors affecting the suspension stability of nanofluids[J].Journal of Zhejiang University:Engineering Edition,2007,41(4):577-58
[2]多英全,刘垚楠,胡馨升.2009-2013年我国粉尘爆炸事故统计分析研究[J].中国安全生产科学技术,2015,11(2):186-190.DUO Yingquan,LIU Yaonan,HU Xinsheng.Statistical analysis of dust explosion accidents occurring in China during2009-2013[J].Journal of Safety Science and Technology,2015,11(2):186-190.
[3]何生全,金龙哲,吴祥.不同地铁环控系统可吸入颗粒物研究及防治[J].中国安全科学学报,2016,26(3):128-132.HE Shengquan,JIN Longzhe,WU Xiang.Research and prevention of inhalable particulate matter in different subway environmental control systems[J].China Safety Science Journal,2016,26(3):128-132.
[4]吴超.化学抑尘[M].长沙:中南大学出版社,2003:1-3.
[5]钟剑,吴超,黄锐.微颗粒黏附力测试的空气动力学模型[J].中南大学学报:自然科学版,2012,43(1):287-292.ZHONG Jian,WU Chao,HUANG Rui.Aerodynamic model of microparticle adhesion test[J].Journal of Central South University:Natural Science Edition,2012,43(1):287-292.
[6]陈高林,王飞,郭红光.抑尘剂技术研究现状及发展趋势[J].煤炭技术,2014,33(11):340-342.CHEN Gaolin,WANG Fei,GUO Hongguang.Research status and development trend of dust suppressant technology[J].Coal Technology,2014,33(11):340-342..
[7]蒋耀东,张雪,张雷,等.抑尘剂的研究应用现状及发展趋势[J].化工管理,2017(10):145-148.JIANG Yaodong,ZHANG Xue,ZHANG Lei,et al.Research and application status and development trend of dust suppressant[J].Chemical Management,2017(10):145-148.
[8]金龙哲,杨继星,欧盛南.润湿型化学抑尘剂的试验研究[J].安全与环境学报,2007,7(6):109-112.JIN Longzhe,YANG Jixing,OU Shengnan.Experimental study on wetted chemical dust suppressant[J].Journal of Safety and Environment,2007,7(6):109-112.
[9]李成,朱逢豪,付兴民,等.关于抑尘剂开发及其存在主要问题的探讨[J].环境工程,2013,31(增1):360-362,392.LI Cheng,ZHU Fenghao,FU Xingmin,et al.Discussion on the development of dust suppressant and its main problems[J].Environmental Engineering,2013,31(S1):360-362,392.
[10]肖红霞,郑义.复合型抑尘剂的制备研究[J].环境工程,2011,29(1):76-79.XIAO Hongxia,ZHENG Yi.Study on preparation of compound dust suppressant[J].Environmental Engineering 2011,29(1):76-79.
[11]吴超,周勃.固体卤化物的抑尘性能[J].中南工业大学学报,1996,27(1):13-17.WU Chao,ZHOU Bo.Dust suppression performance of solid halides[J].Journal of Central South University of Technology,1996,27(1):13-17.
[12]王祖友.高倍吸水树脂抑尘剂在公路施工中的应用研究[D].长沙:长沙理工大学,2007.WANG Zuyou.Application research of high-water absorbent resin dust suppressant in highway construction[D].Changsha:Changsha University of Science and Technology,2007.
[13]高学伟,李秋荣.膨润土接枝丙烯酸高吸水性树脂的抑尘性能研究[J].环境污染与防治,2010,32(2):74-78.GAO Xuewei,LI Qiurong.Study on dust suppression performance of bentonite grafted acrylic superabsorbent resin[J].Environmental Pollution and Prevention,2010,32(2):74-78.
[14]祁晓华.耐盐性高吸水树脂的合成及其溶胀动力学研究[D].兰州:兰州大学,2009.QI Xiaohua.Synthesis and swelling kinetics of salt-tolerant superabsorbent resin[D].Lanzhou:Lanzhou University,2009.
[15]李满,徐海宏,舒新前.化学抑制剂在抑制煤尘中的应用要论[J].中国煤炭,2007,33(8):46-47.LI Man,XU Haihong,SHU Xinqian.The application of chemical inhibitors in the suppression of coal dust[J].China Coal,2007,33(8):46-47.
[16]王媛,景惧斌,周海涛.新型煤粉抑尘剂的研究及应用[J].广州化工,2012,40(13):90-91,105.WANG Yuan,JING Jubin,ZHOU Haitao.Research and application of new coal powder dust suppressant[J].Guangzhou Chemical,2012,40(13):90-91,105.
[17]吴金星,曹玉春,李泽,等.纳米流体技术研究现状与应用前景[J].化工新型材料,2008,36(10):10-12.WU Jinxing,CAO Yuchun,LI Ze,et al.Research status and application prospect of nanofluid technology[J].New Chemical Materials,2008,36(10):10-12.
[18]CHOI S U S,ESTMAN J A.Enhancing thermal conductivity of fluids with nanoparticles[J].ASME-Publications-Fed,1995,231(66):99-106.
[19]马林,陶冲,王昭利,等.纳米流体强化传热领域的研究进展及存在的问题[J].工业加热,2017,46(2):1-4.MA Lin,TAO Chong,WANG Zhaoli,et al.Research progress and problems in the field of nanofluid enhanced heat transfer[J].Industrial Heating,2017,46(2):1-4.
[20]苏芸.Al2O3-H2O纳米流体热物性及相变蓄冷特性的研究[D].天津:天津商业大学,2013.SU Yun.Study on thermal properties and phase change storage characteristics of Al2O3-H2O nanofluids[D].Tianjin:Tianjin University of Commerce,2013.
[21]郑兆志,何钦波,徐言生.MWCNT-H2O纳米流体光热特性实验研究[J].顺德职业技术学院学报,2014,12(1):14-17.ZHENG Zhaozhi,HE Qinbo,XU Yansheng.MWCNT-H2O Experimental study on photothermal properties of nanofluids[J].Journal of Shunde Vocational and Technical College,2014,12(1):14-17.
[22]YANG B,HAN Zenghu.Thermal conductivity enhancement in water-in-FC72 nanoemulsion fluids[J].Applied Physics Letters,2006,88(26):261914.
[23]吴超,周勃.卤化物与水玻璃复合物的抑尘性能[J].中南工业大学学报,1997,28(6):12-14.WU Chao,ZHOU Bo.Dust suppression performance of halide and water glass composite[J].Journal of Central South University of Technology,1997,28(6):12-14.
[24]CHOI S U S,ZHANG Z G,YU W,et al.Anomalous thermal conductivity enhancement in nanotube suspensions[J].Applied Physics Letters,2001,79(14):2 252-2 554.
[25]彭小飞,俞小莉,夏立峰.纳米流体悬浮稳定性影响因素[J].浙江大学学报:工学版,2007,41(4):577-580.PENG Xiaofei,YU Xiaoli,XIA Lifeng.Factors affecting the suspension stability of nanofluids[J].Journal of Zhejiang University:Engineering Edition,2007,41(4):577-58
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