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| Heat Transfer Coefficient Comparison of Various Casing Tubes in Alumina Digestion Process |
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Received:March 04, 2011
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| DOI：DOI：10.3969/j.issn.1007-7545.2011.10.005 |
| KeyWord:Alumina; Digestion; Casing tube; Heat transfer coefficient |
| Author | Institution |
| LIU Li-na |
华中科技大学;贵阳铝镁设计研究院 |
| HUANG Wang-mei |
华中科技大学 |
| LIU Zhi-chun |
华中科技大学 |
| CHEN De |
贵阳铝镁设计研究院 |
| YANG Zhi-hong |
贵阳铝镁设计研究院 |
| LIU Wei |
华中科技大学 |
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| Abstract: |
| The casing tube heat exchanger in digestion process of alumina was studied, the heat transfer process was analyzed by means of engineering analysis and the heat transfer coefficients of three different casing tubes including single casing pipe, triple casing pipe and quadruple casing pipe were compared in digestion process of alumina. The results show that the triple-pipe gives the better heat transfer coefficient under the same slurry flow rate. |
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