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| Effect of Content of Binder on Properties of Ramming Paste for Aluminum Electrolysis |
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Received:February 17, 2014
Revised:February 18, 2014
Accepted:February 19, 2014
Published Online:June 23, 2014
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| DOI：10.3969/j.issn.1007-7545.2014.07.006 |
| KeyWord:ramming paste; binder; expansion/shrink rate |
| Author | Institution |
| YAO Zhen |
贵州师范大学 材料与建筑工程学院 贵阳 |
| LIU Wei |
贵州师范大学 材料与建筑工程学院 贵阳 |
| LIU Jing |
贵州师范大学 材料与建筑工程学院 贵阳 |
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| Abstract: |
| Ramming pastes were prepared with calcined anthracite coal, pitch coke, and baked scrap as aggregate, modified pitch and coal tar as binder. The effect of content of binder on properties of ramming paste for aluminum electrolysis was investigated. As the results indicate, volatile component increases with increasing content of binder, both ash content and expansion/shrinkage rate decrease first and then increase, and bulk density, resistivity and compressive strength increase first and then decrease. The optimal comprehensive properties of ramming paste are obtained with content of binder of 17%. |
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