固相浓度对水煤浆流动特性及沉降速率的影响

Kenechukwu Emmanuel Ugwu, Anthony Chibuzo Ofomatah, Samson Ifeanyi Eze
尼日利亚大学国家能源研究与发展中心

摘要

以亚烟煤为原料，以阴离子液体皂为表面活性剂，在不同煤水比下制备水煤浆。测定了浆料的性能、粘度和
稳定性。研究了浆料的流变性能，以确定浆料的特性。结果表明，随着煤 ( 固 ) 浓度的增加，矿浆的密度增大。密度
越高，泥浆越粘稠。在较高的固体浓度下，浆料的行为由牛顿性变为非牛顿性。固相浓度低的浆体沉降速度快于固
相浓度高的浆体。

关键词

煤；浓度；流量；粘度；泥浆；沉降率

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