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If the elastic expansion ring of the filter bag mouth is not close to the flower plate hole, there will be a gap

Article source: this site Author: admin popularity: second Time: 19:19, June 11, 2020【 large in Small
New installations a duster clean a duster The pulse bag has larger pore volume. At the beginning of use, the dust passing rate is high, and the filter condition has not reached the good filtering condition, and the dust emission is large. With the process of filtration, dust accumulates on the surface of the filter bag to form a dust layer, which makes the pores on the surface of the filter bag smaller, and the dust removal efficiency is improved, a duster More than 99% of fine dust can be removed.

Check whether the device of dust bag is correct. In the past a duster The filter bag is pressed into the pattern plate hole through the elastic expansion ring sewn on the filter bag mouth, and the dust chamber of the central box is strictly distinguished from the dust chamber of the central box. The air box is covered by a flower plate. If the elastic expansion ring of the filter bag mouth is not close to the flower plate hole, there will be a gap, which will lead to the dust laden air flow directly into the clean air chamber, and the outlet of the exhaust pipe will become gray. You can check the condition of the dust filter bag one by one and find that the gap is sealed. stay a duster In the process of installation, the quality of filter bag is one of the key points of supervision. The device of filter bag was improved in Ironmaking Plant: a ferrule was welded above each plate hole, and the height of ferrule was 30 ♥♥ It is concentric with the plate hole, and the single-layer elastic expansion joint is at the opening of the filter bag. The ring is tightly connected to the inner wall of the ferrule, which not only ensures the height of the filter bag flat and sealed, but also makes the device and disassembly of the filter bag simple and convenient.

As for the dust collector that only the baffle plate separates the air inlet and outlet, it is necessary to check whether the central baffle plate is welded firmly. If there are welding seams or gaps in the center diaphragm, the high concentration dust in the air will enter into the air passage, which will lead to the ashing of the outlet of the exhaust cylinder. Ensure the welding quality of the center diaphragm and separate the inlet and outlet channels a duster Another key point of quality inspection.

If the dust bag is damaged, the dusty air flow will be discharged directly, a duster The rear air tube outlet will turn grey. About large scale for off-line cleaning a duster The following methods can be used to confirm the position of broken bags: manually clean the hopper one by one, and close the outlet valve of a chamber. For a moment, pay attention to observe the outlet of the exhaust pipe. When a warehouse with a broken bag stops filtering, the outlet of the exhaust pipe is no longer ash, which container can be identified to destroy the bag. If only a small amount of filter bag is damaged, please seal the plate hole with iron cover to ensure the dust concentration reaches the specification. When it is necessary to replace the filter bags, it is suggested that all dust collection bags of the same dust collector ensure that each filter bag has the same resistance. If only a few filter bags can be replaced, the opening of the new filter bag should be closed and buried in the dust for several days to add the resistance of the new filter bag, so that the resistance of the new filter bag is close to that of the old filter bag.