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首页> 外文期刊>Journal of the Chinese Institute of Environmental Engineering >STUDY ON ELUTRIATION FROM BUBBLING FLUIDIZED BED INCINERATION―A CORRELATION FOR ELUTRIATION RATE CONSTANT
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STUDY ON ELUTRIATION FROM BUBBLING FLUIDIZED BED INCINERATION―A CORRELATION FOR ELUTRIATION RATE CONSTANT

机译：鼓泡流化床焚烧处理的研究-与洗净率常数的相关性

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摘要

Carry-over of fine particles is one of the eventually problems for a bubbling fluidized bed incinerator. Elutriation out of control not only affects incineration performance also causes a loss of operation cost. Measurements of elutriation rate were carried out in a bench scale bubbling fluidized bed incinerator, which was used to combust ricehusk. From the experimental data, the elutriation rate constant K _i~* for fine particles were obtained and correlated with parameters. Meanwhile, the paper shows a comparison for the K _i~* between this study and the published prediction equations derived or studied in non-incineration modes of fluidized bed. It is found that the K _i~* obtained from the study are less than those proposed by most previous researches. A new and modified correlation is proposed to estimate the elutriation rate of fine particles emitted from such the bubbling fluidized bed incinerator. Primary operation variables (superficial gas velocity and incineration temperature) affecting the elutriation rate are also delineated in the paper.
机译：对于起泡的流化床焚烧炉来说，携带细颗粒是最终的问题之一。失控的淘气不仅会影响焚烧性能，还会导致运营成本的损失。在台式鼓泡流化床焚烧炉中进行淘析率的测量，该焚烧炉用于燃烧稻壳。从实验数据中，获得了细颗粒的淘析速率常数K_i〜*，并将其与参数相关联。同时，本文显示了本研究与在流化床非焚化模式下导出或研究的已发布预测方程之间的K _i〜*的比较。发现从该研究中获得的K _i *比大多数先前研究提出的要小。提出了一种新的和改进的相关性，以估算从这种鼓泡流化床焚烧炉中排出的细颗粒的淘析率。本文还描述了影响淘析率的主要操作变量（表面气体速度和焚烧温度）。

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