| Y 型送灰器结构优化实验研究 |
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| 引用本文： | 张世红,徐东升,陆继东,刘德昌. Y 型送灰器结构优化实验研究[J]. 华中科技大学学报(自然科学版), 1997, 0(8) |
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| 作者姓名： | 张世红 徐东升 陆继东 刘德昌 |
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| 作者单位： | 华中理工大学煤燃烧国家重点实验室 |
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| 摘 要： | 用一个三因素三水平的正交实验，以平均粒径为０．２８７ｍｍ的黄砂为输送物料，以物料输送量为考察指标，对自动调整性的Ｙ型送灰器最重要的结构因素管径（Ｄ）、静止料层高度（ｈ）和溢料口高度（Ｈ）进行了优化实验研究．结果表明，当静止料层高度为１Ｄ、溢料口高度为５Ｄ时，Ｙ型送灰器取得最佳输送效果
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| 关 键 词： | Y型送灰器；正交实验；结构优化 |
An Experimental Investigation on the Optimal Structure of a Y Shaped Ash Returning Device |
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| Zhang Shihong , Key National Lab. of Coal Combustion,HUST,Wuhan ,China. Xu Dongsheng Lu Jidong Liu Dechang. An Experimental Investigation on the Optimal Structure of a Y Shaped Ash Returning Device[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1997, 0(8) |
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| Authors: | Zhang Shihong Key National Lab. of Coal Combustion HUST Wuhan China. Xu Dongsheng Lu Jidong Liu Dechang |
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| Affiliation: | Zhang Shihong , Key National Lab. of Coal Combustion,HUST,Wuhan 430074,China. Xu Dongsheng Lu Jidong Liu Dechang |
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| Abstract: | The Y shaped ash returning device developed in NLCC, H.U.S.T., is an automatic regulating device for the circulating fluidized bed when the included angle between the solid input and the upward solid delivering tubes is larger than that at which the solids begin to flow automatically. An experimental investigation on the optimal dimensions of the device including the diameter of the delivering tube D , the height of standstill material h , and the height of material overflow outlet H , has been made with an orthogonal test using three levels of three factors with the sands of a mean diameter of 0.287 mm. The experimental results suggest that when h=1D and H=5D, the device gives the best performance. |
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| Keywords: | Y shaped ash returning device orthogonal test constructional dimension optimization |
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