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首页> 外文期刊>Powder Technology: An International Journal on the Science and Technology of Wet and Dry Particulate Systems >An Lg orthogonal design methodology to study the impact of operating parameters on particulate emission and related characteristics during pulse-jet filtration process
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An Lg orthogonal design methodology to study the impact of operating parameters on particulate emission and related characteristics during pulse-jet filtration process

机译：一种Lg正交设计方法，用于研究脉冲喷射过滤过程中操作参数对颗粒物排放和相关特性的影响

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摘要

This study embodies experimental characterization of emitted particulate and filtration performance under varied situation in a pulse-jet cleaning process. Tests were conducted under simulated condition in a filtration apparatus consisting four bags. The effect of four different factors such as fabric punch density, baffle plate height, air to cloth ratio and cycle time have been investigated on the key parameters; emission, pressure drop along with PM_(2.5) and average particle diameter of emitted particulate matter in a pulse-jet filtration process. Experimental investigation based on L9-orthogonal design shows that emission is reduced with the increases in punch density and pulse cycle time; but it increases up to a certain extent with the increase in air to cloth ratio. However baffle plate height has no effect on the emission. On the other hand pressure drop across the tube sheet increases with the material consolidation, air to cloth ratio and pulse cycle time; but the above parameter first decrease with the increase in baffle plate height. PM_(2.5) (based on the number distribution) is found to be mainly affected by the baffle plate height and cycle time; as it first increases and then decrease with the increase in baffle plate height but it shows reverse trend with the increase in cycle time. Average particle diameter based on number volume is found to be mainly affected by the baffle plate height and cycle time. With the increase in time of filtration, both emission and pressure drop tend to increase without affecting PM_(2.5) and average particle diameter based on number volume.
机译：这项研究体现了脉冲喷射清洗过程中各种情况下排放颗粒物和过滤性能的实验表征。在模拟条件下在由四个袋子组成的过滤设备中进行测试。对关键参数研究了织物冲孔密度，挡板高度，空布比和循环时间这四个不同因素的影响。排放，压力降与PM_（2.5）以及脉冲喷射过滤过程中排放的颗粒物的平均粒径。基于L9正交设计的实验研究表明，随着打孔密度和脉冲周期时间的增加，发光减少。但随着空布比的增加它在一定程度上增加。但是，挡板高度对发射没有影响。另一方面，穿过管板的压降会随着材料固结，空布比和脉冲循环时间而增加;但是上述参数首先随着挡板高度的增加而减小。发现PM_（2.5）（基于数量分布）主要受挡板高度和循环时间的影响;因为随着挡板高度的增加，它先增加然后减小，但是随着循环时间的增加，它显示出相反的趋势。发现基于数量的平均粒径主要受挡板高度和循环时间的影响。随着过滤时间的增加，排放和压降都倾向于增加而不会影响PM_（2.5）和基于数量的平均粒径。

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