| 大颗粒气固流化床的流化特性 |
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| 引用本文： | 李晓光,徐德龙,肖国先,范海宏. 大颗粒气固流化床的流化特性[J]. 西安科技大学学报, 2003, 23(4): 425-429 |
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| 作者姓名： | 李晓光 徐德龙 肖国先 范海宏 |
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| 作者单位： | 1. 西安建筑科技大学,材料工程学院,陕西,西安,710055;长安大学,材料工程学院,陕西,西安,710054
2. 西安建筑科技大学,材料工程学院,陕西,西安,710055 |
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| 基金项目： | 国家自然科学基金资助项目(50272050) |
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| 摘 要： | 通过冷态试验,对利用流化床煅烧水泥新技术中所涉及到的大颗粒气固流化床的相关特性进行了研究。研究结果表明:大颗粒气固流化床平稳地运行在鼓泡床阶段,但较易发生节涌现象,适合浅床操作,且操作流化数较低;对流化床压降脉动的分析可知,采用具有较宽粒度分布的大颗粒物料,有利于改善流化床的流化质量。
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| 关 键 词： | 大颗粒 流化床 鼓泡流态化 节涌流态化 压降脉动 |
| 文章编号： | 1671-1912(2003)04-0425-05 |
| 修稿时间： | 2002-10-23 |
Characterization of gas-solid fluidization with large-particle |
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| LI Xiao-guang. Characterization of gas-solid fluidization with large-particle[J]. JOurnal of XI’an University of Science and Technology, 2003, 23(4): 425-429 |
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| Authors: | LI Xiao-guang |
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| Abstract: | By a series of cold-model test, characterization of gas-solid fluidization with large-particle is researched, because the kind of fluidization may be used to calcinations process in producing cement. It has shown that gas-solid fluidized bed with large-particle is stable in bubbling regime and liable to slugging fluidization, so it had better be operated in shallow fluidized bed and low operating fluidizing number. It has known by analysis of pressure drop fluctuation that quality of fluidization can be improved with wider size distribution particle. |
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| Keywords: | large-particle fluidized bed bubbling regimes slugging regimes drop fluctuation |
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