Airvate Blog

  We were called in to do a leak test on a cartridge collector. It had visible dust emission just out of the stack.  With the system running, fluorescent powder was added to the dirty side of the cartridge filter. The collector was then shut down, and access doors were opened. Broken gasket seals ( Figure 3 & 4 ) and one leaking cartridge with the help of black light ( Figure 5 ) clearly came into view. Figure 1 Dirty side of the collector Figure 2 Dirty side of the collector Figure 3 Broken and shrunk gasket Figure 4 Broken gasket Figure 5 Leak detected in a cartridge with the help of a black light After the leaky cartridge and the broken gaskets were replaced, the cartridge collector worked normally again.  Later, a dust detector paired with a tower light alarm was installed on the ductwork behind the dust collector. Any regular maintenance program for your baghouse/cartridge collector should include periodic Leak testing. This maintenance task helps to detect compr...

  We did a Dye test for a customer in a newly installed baghouse. In this standard dye test procedure, green fluorescent dye powder was applied. No leaks were found in the clean plenum of the baghouse. All the bags were properly installed and no breach between the clean air and dirty air plenums was found either. View of Clean Plenum after Dye applied Per the request of our customer, we also got inside the dirty side of the baghouse through the inspection door on the hopper and visually checked dye powder distribution on the bags. From the picture below, it is apparent that the dye powder evenly distributed on all the bags, which means that the airflow was evenly distributed too. Customer was very happy about this visual check. Bottom View of Bags after Dye Applied