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Characterization Of Needle Felts For Cleanable Dust Filtration

机译:针刺毡的特性,用于可清洁的灰尘过滤

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A method of determination has been developed for comparative characterization of the particle penetration and dust storage capacity of surface-treated needle felts.This method is based on transmitted light and reflected light microscopy used in combination with specially developed image analysis software with which it is possible to determine the two-dimensional surface porosity and the pore depth distribution at the surface of the filter medium. Two straight calibration lines are obtained when the surface porosity measurements are combined with filter test results that conform to the VDI (Confederation of German Industry) guidelines, such as average clean gas dust concentration and mass of residual dust. These two straight calibration lines can be used to estimate the particle penetration and the dust storage capacity of different surface-treated needle felts.
机译:已开发出一种测定方法,用于比较表征表面处理过的针毡的颗粒渗透性和粉尘储存能力。该方法基于透射光和反射光显微镜,并结合专门开发的图像分析软件进行使用确定二维表面孔隙率和过滤介质表面的孔隙深度分布。将表面孔隙率测量结果与符合VDI(德国工业联合会)准则的过滤器测试结果结合使用时,会获得两条直线校准线,例如平均清洁气体粉尘浓度和残留粉尘质量。这两条直线的校准线可用于估算不同表面处理过的针刺毡的颗粒渗透力和储尘量。

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