The filter bag of the cloth bag filter and the pipe frame are constantly friction in the work and the exchange movement of the back blowing. The filter material is seriously damaged, which makes the replacement frequency of the filter bag high and the maintenance cost is high in the later period. The operation of the replacement of the filter bag needs to be stopped. The cartridge of the cartridge type filter has no mechanical wear and tear during the work and the exchange movement of the back blowing, and its service life is long. Moreover, the cartridge does not need any tools, and it is convenient to disassemble and assemble, and it does not need to stop production when replacing the cartridge.