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首页> 外文期刊>Indian Journal of Fibre & Textile Research >Performance characteristics of filter fabrics in cement dust control: Part Ⅱ—Influence of fibre cross-sectional shape and scrim on the performance of nonwoven filter fabrics
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Performance characteristics of filter fabrics in cement dust control: Part Ⅱ—Influence of fibre cross-sectional shape and scrim on the performance of nonwoven filter fabrics

机译：水泥除尘中滤布的性能特征：第二部分：纤维截面形状和稀松布对非织造滤布性能的影响

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摘要

The influence of fabric weight, reinforcing material and polyester fibre of three different cross-sectional shapes on the characteristics of needle-punched nonwoven polyester filter fabrics has been studied. Hollow fibre fabrics exhibit higher air permeability followed by trilobal and normal round fibre fabrics. Trilobal fibre fabrics show higher filtration efficiency. However, for a given pressure drop level, higher filtration efficiency is achieved by hollow fibre fabrics. Improved performance in terms of mechanical properties is seen with the hollow fibre filter fabric, followed by trilobal and round fibre fabrics. Increased fabric weight causes reduction in air permeability, increase in filtration efficiency at the cost of higher pressure drop, and better mechanical properties. Use of reinforcing material leads to reduction in air permeability, increased filtration efficiency and pressure drop, and improved mechanical properties.
机译：研究了三种不同横截面形状的织物重量，增强材料和聚酯纤维对针刺非织造聚酯滤布特性的影响。中空纤维织物具有更高的透气性，其次是三叶和普通的圆形纤维织物。三叶纤维织物显示出更高的过滤效率。但是，对于给定的压降水平，中空纤维织物可获得更高的过滤效率。中空纤维滤布，三叶形和圆形纤维布的机械性能得到改善。织物重量的增加导致透气性降低，过滤效率提高，但代价是压降更高，机械性能更好。增强材料的使用导致透气性降低，增加的过滤效率和压降以及改善的机械性能。

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