The influence of dust characteristics includes particle size distribution, true density, adhesion, specific resistance, etc. Among them, when the adhesion reaches a high value, it will hinder the cleaning performance of the filter bag and increase the initial resistance of the filter bag.

The influence of flue gas properties mainly includes temperature, pressure, composition, humidity, flow rate, dust concentration and other characteristics. Among them, temperature and flue gas composition have a significant impact on the service life of filter bags. The higher the temperature, the faster the fiber aging rate, and the shorter the service life of filter bags. When the temperature exceeds the filter bag's tolerance, it will damage the filter bag. At the same time, the increase in temperature leads to an increase in the volume of flue gas, resulting in an increase in the filtering speed of the filter bag and thus an increase in resistance. When the humidity of the flue gas is high, the adhesion of the smoke and dust surface increases, which is not conducive to the cleaning of the filter bag. Avoid operating the dust collector below the dew point temperature to prevent condensation and bag sticking. In addition, an increase in flow rate and dust concentration will also increase the resistance of the filter bag.

The influence of structure on electrode geometry affects the efficiency of the electric zone. A reasonable bag structure can avoid uneven damage to the filter bag, and a reasonable gas path structure can reduce the pressure loss of the main body. The airflow distribution structure between the two zones of the electric bag will affect the stability and resistance characteristics of the filter bag.

The influence of operational factors requires reasonable setting of voltage and current parameters in the electrical area, increasing the secondary current to ensure pre dust removal efficiency, and setting a reasonable cleaning cycle. The secondary dust generated by frequent cleaning increases the resistance of the bag area and increases the failure rate of the vibration mechanism. The bag area needs to establish a reasonable cleaning system to meet the operating requirements. Low cleaning pressure and long cleaning cycle are beneficial for extending the service life of the filter bag. Timely ash discharge from the ash hopper is an important measure to ensure the stable operation of the dust collector.

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