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华亭煤制备高质量分数水煤浆的研究

Huaxue Gongcheng/Chemical Engineering (China)(2007)

Cited 6|Views9
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Abstract
针对华亭煤内水质量分数高,难以制备高质量分数水煤浆,通过筛选了NDF系列和WHK复配型2类4种添加剂,考察了添加剂种类、添加量、煤粉级配、粒径分布和磨机负荷对制浆质量分数的影响,其目的是探索提高制浆质量分数的有效途径.结果表明,添加剂对制浆质量分数提高的顺序为NDF-10>NDF-02>NDF-01>WHK,控制添加剂比率为0.3%-0.4%,煤粉粗细比为1.5-1.6,磨机负荷为30 t/h时,水煤浆质量分数可高达71.5%,该研究表明,通过添加剂的改性和工艺条件的优化,可在工业生产中获得高质量分数的水煤浆.
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Key words
Additive,Coal powder ratio,High mass fraction coal-water slurry,Huating coal,Mill load,Particle size distribution
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