PPC air box pulse bag dust collector system introduces a new type of dust collector with pre-selected level, which integrates the advantages of chamber back blowing and pulse jet blowing, overcomes the disadvantage of pulse jet blowing and filtering at the same time leading to poor dust cleaning effect, and expands the application range of air box pulse bag type dust collector. Because of the particularity of its structure, it greatly improves the dust removal efficiency and prolongs the service life of the filter bag. It is a bag type dust collector with excellent performance.