The dust collector is classified according to the structure of the dust collector. The dust collector includes a dust cage filter, a filter bag filter and a packed filter bed filter dust filter. The round bag spring type frame is an important part of the dust collector accessories. Due to environmental pollution and other issues, the dust removal business has attracted people's attention. The dust-removing mechanism and the dust collector of round-bag spring-type frame accessories for dust with large fiber content are different from ordinary dust. There are two working principles of dust collectors in the dust removal industry, namely the filtration mechanism and the centrifugal separation mechanism.