Research on Filtration Performance of Filter Media Used in Bag Filter for Industrial Furnaces

Based on the fine particles as the main control object, the influence of dust load, filtration velocity and structure of filter material on the performance of the bag filter is studied. The results show that in certain dust load, the filtration resistance and filtration velocity has good linear relation and the resistance increases with the increase of dust load. High dust load and velocity is more advantageous to form initial dust layer on the surface of clean filter material, so it can improve the classification filtration; the classification filtration efficiency of membrane filter material is significantly better than conventional filter material. This advantage is obvious for small dust particle size.