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化工学报|一种抑制隧道排水管道中结晶体形成的双层阻垢疏水涂层
一种抑制隧道排水管道中结晶体形成的双层阻垢疏水涂层
胡家玮 王聪刘美婧
(兰州理工大学土木工程学院,甘肃 兰州 730050)
DOI:10.11949/0438-1157.20241325
引 言
1 依托工程概况
1.1 结晶体成分分析

表1 结晶体样品元素种类Table 1 Crystal sample element species



1.2 水样分析

表2 毛垭山隧道排水管水样分析Table 2 Maoyashan tunnel drainage pipe water sample analysis

2 实验仪器和实验药剂
表3 实验药剂Table 3 Experimental reagents

表4 实验仪器Table 4 Experimental instruments

3 实验方法
3.1 研发思路





3.2 实验方法


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3.3 模拟实验

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4 结果与讨论
4.1 疏水内层制备实验和结果
表5 溶剂挥发剂筛选Table 5 Solvent volatile screening

表6 筛选稀释剂与溶剂挥发剂配比(一)Table 6 Screening diluent and solvent volatile ratio(Ⅰ)

表7 筛选稀释剂与溶剂挥发剂配比(二)Table 7 Screening diluent and solvent volatile ratio(Ⅱ)

表8 筛选界面活性剂Table 8 Screening interface active agent

表9 确定最佳纳米填充剂用量Table 9 Determine the optimal nano filler dosage


4.2 阻垢外层制备实验和结果

表10 三因素水平响应曲面分析实验设计Table 10 Three factor horizontal response surface analysis experimental design

表11 响应曲面优化碳酸钙的结晶量实验设计与结果Table 11 Experimental design and results of response surface optimization for calcium carbonate crystallization

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表12 碳酸钙的结晶量模型及回归系数的回归分析结果Table 12 The results of regression analysis of calcium carbonate crystal volume model and regression coefficient

注:P < 0.0001为极显著,用**表示,P < 0.05为显著,用*表示,P > 0.05为不显著,用ns表示;F 值的大小是评价各变量对响应值影响程度的重要指标,F 值越大,表明有关模型分量对响应影响贡献度越高。


表13 聚乙烯醇与壳聚糖混合胶材料Table 13 Mixed rubber materials of polyvinyl alcohol and chitosan

表14 聚乙烯醇和海藻酸钠混合胶材料(一)Table 14 Polyvinyl alcohol and sodium alginate mixed rubber material(Ⅰ)

表15 聚乙烯醇和海藻酸钠混合胶材料(二)Table 15 Polyvinyl alcohol and chitosan mixed rubber material(Ⅱ)

4.3 模拟实验结果



表16 实验室模拟结晶情况Table 16 Laboratory simulation of crystallization

表17 涂覆有疏水内层的管壁粗糙度测量(30 d)Table 17 Wall roughness measurement with a hydrophobic inner coating (30 d)

表18 涂覆有阻垢外层的管壁粗糙度测量(30 d)Table 18 Wall roughness measurement with a hydrophobic inner coating (30 d)

表19 涂覆有疏水内层的管壁厚度测量(30 d)Table 19 Wall thickness measurement with a hydrophobic inner coating (30 d)

表20 涂覆有阻垢外层的管壁厚度测量(30 d)Table 20 Wall thickness measurement with scale resistant coating (30 d)


表21 Ansys fluent软件模拟疏水内层耐久时长Table 21 Ansys fluent software simulates the duration of coating

表22 Ansys fluent软件模拟阻垢外层耐久时长Table 22 Ansys fluent software simulates the duration of coating


5 结 论

Utility model relates to double - layer anti - scale and hydrophobic coating that inhibits crystal formation in tunnel drainage pipe
HU Jiawei WANG CongLIU Meijing
(School of Civil Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China)

通讯作者及第一作者:胡家玮(1982—),男,博士,副教授,hujiawei@lut.edu.cn
