Process for rejuvenating baghouse filter cartridges
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United States of America Patent
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Mar 21, 1995
Grant Date -
N/A
app pub date -
May 27, 1993
filing date -
May 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A Process and apparatus for rejuvenating baghouse filter cartridges. The first step in the process is passing cartridges from a baghouse through a cutting chamber, slitting the bags from the cages. The cutting chamber comprises a water knife angularly disposed in the wall of a tubular housing. The angle of the water knife and the size of the water knife's jet are varied according to the composition of the bags. The second step is repairing damaged cages. Bent cages are mounted upon a rigidly mounted mandrel and compressed between two hemicylindrical dies of a translational press. Broken welds on the cages are rewelded. In the last step new bags are installed on the cages. The cage is positioned over an open ended tubular manifold, and a new bag is started onto the end of the cage. Slightly pressurized, high volume, warm air pumped through the manifold inflates the bag, and the inflated bag is then pulled over the rest of the cage. The specially designed equipment to carry out the process is transported on and deployed in conjunction with a trailer having several specialized structures.
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