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As the filtration process continues, dust accumulates on the outer surface of the filter cartridge, gradually increasing the system's operating resistance. To maintain efficient and stable operation, the pressure drop across the dust collector should be kept within the range of 1400–1600 Pa. Within this limit, the PLC pulse automatic controller initiates a three-state cleaning cycle either based on a fixed pressure threshold or a pre-set time interval, ensuring optimal performance and minimizing downtime.
The cleaning process for a cartridge-type dust collector involves isolating the clean air outlet of a specific chamber, allowing it to enter a static airflow state. Compressed air is then pulsed through the filter cartridge in reverse to dislodge the accumulated dust. After a few seconds of cleaning, the dust settles naturally, and the clean air passage is reopened. This method not only removes the dust effectively but also prevents secondary dust re-adhesion caused by the cleaning spray, ensuring thorough and consistent cleaning of each chamber during its cycle.
1. Construction
A cartridge-type dust collector consists of several key components, including an upper housing, a dust collection hopper, a ladder platform, support frame, pulse cleaning system, and an ash discharge mechanism. These parts work together to ensure smooth and efficient dust removal operations.
2. Working Principle
Under the influence of the main fan in the system, dusty air enters the dust collector from the lower inlet and passes through a pre-treatment chamber at the bottom of the unit. It then flows upward into the upper tank, where the dust particles are captured on the outer surface of the filter cartridges. The cleaned air passes through the filter media and collects in the clean air chamber before being discharged through the outlet. This continuous process ensures that the air exiting the system is free of particulate matter.
For more detailed information, you can refer to Gu'an Xinxiang Filter Equipment Co., Ltd.: http://...