Metal working – Method of mechanical manufacture – Repairing
Patent
1993-05-27
1995-03-21
Vo, Peter Dungba
Metal working
Method of mechanical manufacture
Repairing
2940208, 29452, 55379, B23P 600, B23P 1904, B01D 4604
Patent
active
053983866
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.
REFERENCES:
patent: 4157901 (1979-06-01), Schaltenbrand
patent: 4194894 (1980-03-01), Noland
patent: 4257790 (1981-03-01), Berquist et al.
patent: 4277874 (1981-07-01), Brown et al.
patent: 4435197 (1984-03-01), Nijhawan et al.
patent: 4618353 (1986-10-01), Reier
patent: 5017200 (1991-05-01), Price et al.
Pyron Donald
Pyron Henry M.
Dungba Vo Peter
Mahurin Jerry L.
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