| 直径间隙法制水煤浆级配技术研究 |
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| 引用本文： | 李和平,金琼,陈小燕,胡奇林,刘万毅. 直径间隙法制水煤浆级配技术研究[J]. 煤炭转化, 2011, 34(4) |
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| 作者姓名： | 李和平 金琼 陈小燕 胡奇林 刘万毅 |
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| 作者单位： | 宁夏大学化学化工学院,750021银川 |
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| 基金项目： | 宁夏自然科学基金资助项目(NZ1021); 教育部大学生创新实验项目(091074917) |
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| 摘 要： | 采用双珠级配与三珠级配模型,探讨了球料比、研磨时间、温度、入料尺寸和研磨速度对灵武煤制水煤浆成浆性的影响,分别采用干法配浆与湿法配浆的方法进行实验,利用DV-1+PRO数字式黏度计和Rise-2008型激光粒度分析仪对配置浆料的黏度和粒度进行测试.结果表明,当入料尺寸<1mm,球料比为6∶1,研磨速度为72r/min时,水煤浆的浓度可以达到68%.10#自制添加剂的使用可以获得性能稳定的水煤浆浆体.
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| 关 键 词： | 水煤浆 浓度 级配 成浆性 粒度 黏度 |
GRADATION RESEARCH ON COAL WATER SLURRY BY USING DIAMETER VOID PACKING MODEL |
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| Li Heping,Jin Qiong,Chen Xiaoyan,Hu Qilin,Liu Wanyi. GRADATION RESEARCH ON COAL WATER SLURRY BY USING DIAMETER VOID PACKING MODEL[J]. Coal Conversion, 2011, 34(4) |
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| Authors: | Li Heping Jin Qiong Chen Xiaoyan Hu Qilin Liu Wanyi |
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| Affiliation: | Li Heping Jin Qiong Chen Xiaoyan Hu Qilin and Liu Wanyi(College of Chemistry and Chemical Engineering,Ningxia University,750021 Yinchuan) |
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| Abstract: | In this experiment the model of double balls gradation,three balls gradation and four balls gradation be used.The effects of slurry ability on factors of ball milling ratio,ball milling time,pretreatment temperature,rotation speed,cylinder size and types of additives be investigated.The dry coal particle gradation and water coal particle gradation method be operated.The viscosity and size distribution are analyzed by using DV-1+PRO digital viscosity indicator and Rise-2008 laser particle size analyzer respe... |
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| Keywords: | coal water slurry concentration gradation slurry ability particle size viscosity |
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