ABSTRACT
Fabric filter dust collectors are the most widely used type of equipment for separating particles from dry gas streams. Developments in fabric technology enable baghouses to cope with temperatures in the range of 600°F, and to resist corrosive, acidic, and alkaline gases. The use of fabric filters constitutes one of the more costly methods of dust collection, but this is offset by high efficiency and fabric filtration's ability to meet most stringent particulate emission codes. The first applications of fabric for recovery of material were probably in the nonferrous smelting and refining industries. Makers of tumbling mills, shot blast chambers, and foundry casting cleaning equipment all marketed self-cleaning fabric filters as part of their respective equipment packages. The aerosols commonly dealt with by fabric collectors are fumes and dusts. A basic knowledge of fabric construction is essential in understanding of the filtration process. Fabric filters often include braided metal ground straps stitched into the seams.
