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首页> 外文期刊>Journal of Environmental Science and Health >Removal of fly-ash and dust particulate matters from syngas produced by gasification of coal by using a multi-stage dual-flow sieve plate wet scrubber
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Removal of fly-ash and dust particulate matters from syngas produced by gasification of coal by using a multi-stage dual-flow sieve plate wet scrubber

机译：使用多级双流筛板湿式洗涤器去除煤气化产生的合成气中的飞灰和粉尘颗粒物

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摘要

In this work, fly-ash water scrubbing experiments were conducted in a three-stage lab-scale dual-flow sieve plate scrubber to observe the performance of scrubber in fly-ash removal at different operating conditions by varying the liquid rate, gas rate and inlet fly-ash loading. The percentage of fly-ash removal efficiency increases with increase in inlet fly-ash loading, gas flow rate and liquid flow rate, and height of the scrubber; 98.55% maximum percentage of fly-ash removal efficiency (eta(FA)) is achieved at 19.36 x 10(-4) Nm(3)/s gas flow rate (Q(G)) and 48.183 x 10(-6) m(3)/s liquid flow rate (Q(L)) at 25 x 10(-3) kg/Nm(3) inlet fly-ash loading (C-FA,C-i). A model has also been developed for the prediction of fly-ash removal efficiency of the column using the experimental results. The predicted values calculated using the correlation matched well with the experimental results. Deviations observed between the experimental and the predicted values were less than 20%.
机译：在这项工作中，在三级实验室规模的双流筛板洗涤器中进行了粉煤灰水洗涤实验，通过改变液体速率，气体速率和流量来观察洗涤器在不同操作条件下去除粉煤灰的性能。入口粉煤灰负荷。粉煤灰去除效率的百分比随着进口粉煤灰负荷，气体流速和液体流速以及洗涤塔高度的增加而增加；在19.36 x 10（-4）Nm（3）/ s气体流量（Q（G））和48.183 x 10（-6）m的气体中达到98.55％的最大粉煤灰去除效率（eta（FA）） （3）/ s 25 x 10（-3）kg / Nm（3）入口粉煤灰负荷（C-FA，Ci）时的液体流速（Q（L））。还使用实验结果开发了一种模型，用于预测塔的粉煤灰去除效率。使用相关性计算出的预测值与实验结果非常吻合。实验值与预测值之间的偏差小于20％。

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