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Dust bag pocket breakage causes and solutions

Article Source: Network人气:75Issuing time:2018-04-20
Dust cloth bag mouth damage causes and solutions:
(1) The breakage of the mouth of the bag of the dust bag is mostly less than 400 in the mouth of the bag. Most of the damage marks are from the inside to the outside. The surface layer is first blown off by the compressed air, and then the base fabric is blown off. Finally, the filter surface is also blown off. When the filter bag is broken on one side, the flue gas is usually passed from the point of least resistance. Flue gas passes through the net gas chamber from the damaged part. When the flue gas passes through, the dust will scour the damaged part at the opposite corner. As a result, the bag mouth is damaged in a ring shape, and the bag head and the bag body are separated.
The damage is caused by excessively high compressed air, deflection of the blowing pipe, and deformation of the board. After the adjustment, damage can be avoided.
(2) The dust bag pocket is damaged at the groove position, and the damage marks are mostly from the outside to the inside. Grooves are worn off and the heads fall off when severe.
The damage is caused by improper installation or small pocket diameter.
(3) Damage to the outside of the mouth of the bag of the dust bag. Within the length of the spray tube and the plate, the marks of the damage are from the outside to the inside, and the fibers and the base fabric are worn or abraded or even fall off.
The reason for the damage is that most of them are poorly installed, the mouth of the bag is small or the pressure difference is too high, so that the filter bag is separated from the top of the perforated plate on the injection pipe or the cover of the dust collector, and the friction is finally broken. More common in blast furnace gas dust.