文献类型：期刊文献

中文题名：蓝藻与神府煤共成浆性的研究

英文题名：Co-slurry ability of blue-green algae and Shenfu coal

作者：李伟东[1];李伟锋[1];刘海峰[1];于遵宏[1]

机构：[1]华东理工大学煤气化教育部重点实验室,上海200237

年份：2009

卷号：37

期号：5

起止页码：533

中文期刊名：燃料化学学报

外文期刊名：Journal of Fuel Chemistry and Technology

收录：CSTPCD;;EI(收录号：20094912533655);Scopus;北大核心:【北大核心2008】；CSCD:【CSCD2011_2012】；

基金：国家自然科学基金(50776033)

语种：中文

中文关键词：含水蓝藻;蓝藻煤浆;流变性;共气化解

外文关键词：blue-green algae ; coal-algae slurries ; theological property ; co-gasification

摘要：考察了预处理方法对含水蓝藻表观黏度的影响,以及蓝藻对神府煤浆成浆浓度、流变性和静态稳定性的影响。结果表明,采用添加化学药剂、高速搅拌、加热等方法对含水蓝藻进行预处理,可以使表观黏度从72 mPa.s降低到21.8 mPa.s(剪切速率100 s-1)。蓝藻结构受到破坏是表观黏度降低的主要原因。含水蓝藻表观黏度的降低有利于蓝藻煤浆成浆浓度的提高。当添加水质量与含水蓝藻质量比为1∶1时,蓝藻煤浆的成浆浓度达到60%。蓝藻的加入提高了神府煤浆的稳定性,使稳定性从4 h提高到72 h以上。蓝藻煤浆为假塑性流体,剪切变稀。
The influence of pre-treatments on apparent viscosity of blue-green algae, the maximum solids loading, rheological property and static stability of the coal-algae slurry was examined. The results show that chemical treatment, agitate and heating are useful pre-treatment methods. The apparent viscosity of blue-green algae is declined from 72mPa·s to 21.8 mPa·s（sharing rate 100s^-1）. The decrease in the apparent viscosity of blue-green algae is due to the structure of blue-green algae destroyed, which is favorable for the increase in the maximum solids loading of coal-algae slurry. When the mass ratio of water and blue：green algae is 1： 1, the maximum solids loading of coal-algae slurry could reach to 60% , which meets the industry requirement. After blue-green algae is added to coal-water slurry, the sediment time of coal-algae slurry is changed from 4 h to 72 h. Coal-algae slurry is a pseudo-plastic liquid, which is shear-thinning and easy to transport.