EPA Fabric Filtration Studies: 5. Bag Cleaning Technology (High Temperature Tests).

摘要

The report gives results of a laboratory study to determine the influence of high temperature operation (operation in an air flow whose temperature has been adjusted to the maximum continuous operating temperature recommended by the manufacturer) on the selection of fabric filter shake-cleaning parameters. Two cotton and two Dacron bags were operated in a laboratory baghouse,using heated air passed through cement dust as the source of dirty air. The bags cleaned at high 'g'forces (about 5 g's) showed more deterioration in strength properties than those cleaned at 1.9 g's. The observations generally confirm the Dennis/Wilder analysis of mechanical cleaning and suggest that temperature is not a first order variable in the analysis of mechanical shake-cleaning. The cursory tests conducted here do not conclusively rule out temperature as an important parameter;they merely report that,in this limited investigation,it was not.