Air box pulse dust collector is a modular bag type dust collector with a chamber structure, in which the chamber top pulse valve alternately shuts down the air box pulse dust removal (also known as offline dust removal) for each chamber filter bag. It is different from the cleaning of general jet dust collectors. Jet pulse cleaning only sprays and cleans each row of filter bags in the same filtering room (i.e. online cleaning), while other rows of filter bags are still filtered. The dust removal and filtration are mixed in one room at the same time. The dust under the dust removal will fly again, and some will be collected by adjacent filter bags, which is not conducive to the filtration of gases with high dust concentration. The PPC type gas box pulse bag filter is carried out when the valve is closed and filtering is stopped in one room. The cleared dust immediately settles down into the ash half, without generating secondary flying, which is conducive to filtering gas with high dust concentration. Moreover, the filter bag in another room can be changed without stopping the machine.

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