(57) Abstract Objective It is due to the coming up of the filter cloth which originates in the change of operational statusFilter cloth taking of the bag filter device which prevents the leakage of the not yet treatment gasAttaching structure is offered. Constitution In percolation chamber 1 and pure gas chamber 2 with division plate 4 divider and othersAre installed in the re and the said division plate 4 the multiple filter cloths 3 which the percolation chamber 1In the bag filter device which is laid out inside, in division plate 4Corresponding to the number of filter cloths 3, opening 41 for filter cloth installation formationIn the margin which forms the re and the opening 41 for filter cloth installation the cylindrical mosquitoBe able to install the top edge of Ra 5, in color 5, in the top and bottomAcross specified interval projection body 51 for prevention of falling coming up preventionProjection body 52 of business to be extended by inner split, these projection bodies 51,Was formed between 52 in the crevice 53 which the top of filter cloth 3 installationIt becomes the re te.
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