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Causes and treatment of smoke and soot in bag dust remover
Jul 10, 2018

There are two kinds of "smoke dust" at the outlet of the bag dust collector. One is the continuous "smoke dust." that is, because of the serious damage of the filter bag, the filter bag can not be fastened up and down, or the upper and lower hoists of the bag filter are not tight, and the upper and lower hoists of the bag dust remover are not tight. The leakage of dust caused by the lack of tight connection between the floral plate and the floral plate. The other is instantaneous "smoke dust", which is the case that the dust filter bag is damaged, but not very serious, and the "smoke dust" occurs instantly when the bag filter is blown.

 

When most dust-removing filter bags are damaged, they should be completely replaced, and the dust-removal bags should be replaced preferably when the dust collector stops working. At this time, the ash removal controller should be closed, the manhole door at the top of the filter should be opened, and the cloth bag can be removed, when disassembled, First take out the bag cage, then squeeze the coils into concave shape, pull out the dust bag upward, before installing the new cloth bag, clean the dust on the orifice of the flower plate.

 

In order to find out the cause of "smoke dust" of bag dust collector, it is possible to judge which filter bag should be eliminated according to the number of bits corresponding to electromagnetic pulse valve and pulse control device when the air outlet is "soot dust". The bag dust collector can also be used to detect the leaking filter bag from the observation hole of the upper box by flashlight, or to open the pulse control device after opening the upper cover, and to find which Venturi pipe "smoke dust" from during the injection process, that is, the filter bag that leaks dust. Then, according to the problems that arise to deal with. This is because when most of the filter bags are damaged, they should be completely replaced. It is best to replace the dust-removing bags when the dust collector stops working. At this time, the dust removal controller should be closed, the manhole door at the top of the filter should be opened, and the cloth bag can be removed, and when disassembled, First take out the bag cage, then squeeze the coils into concave shape, pull out the dust bag upward, before installing the new cloth bag, clean the dust on the orifice of the flower plate.

 

When changing the filter bag, check and analyze the cause of breakage. The factors influencing the life of dust filter bag include dust property, distribution of air flow, processing quality of dust removal skeleton, etc. If the filter bag frame is not firmly welded, the filter bag should be punctured during the process of use, and it should be welded well in time, and the dust removal skeleton burr welding slag will be polished and polished, or the new dust removal skeleton shall be replaced. The bag skeleton is usually welded with steel wire 4 mm in diameter. There are two common welding methods, one is spot welding with spot welding machine, the other is oxygen-acetylene welding. Using the former method, the production efficiency is high, the surface is smooth, the burr is not easy to be produced, and the deformation is small. The dust collector cannot work with a broken dust-removing bag, otherwise it will speed up the scrapping of the dust collector. During the injection process, the filter bag will rub with the outer surface of the dust removal frame once every time, so the filter bag is not damaged after a certain period of time, but the inner surface of the bag has been worn off from the contact part of the dust removal frame. The original parts can be staggered according to the wear marks to avoid further wear in the same place, which can prolong the service life of the filter bag.

 








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