Cylindrical dust remover

The utility model relates to the field of environmental protection equipment, and particularly provides a cylindrical dust remover which comprises a cylindrical first filter cartridge and a cylindrical second filter cartridge, and the first filter cartridge is sleeved with the second filter cartridge. An opening of the first filter cartridge is a gas inlet, and waste gas containing dust enters thefirst filter cartridge through the gas inlet. According to the cylindrical dust remover, waste gas containing dust is sequentially filtered through the first filter cartridge and the second filter cartridge which are sleeved together, and secondary filtering treatment of the waste gas is achieved. The first filter cartridge filters large dust, can perform primary filtration on the dust, reduces the filtration pressure of the second filter cartridge, prevents the large dust from blocking the filter holes of the second filter cartridge, and improves the filtration efficiency. The second filtering cylinder can improve t