Vertical oxidation-reduction roasting system

The utility model discloses a vertical oxidation reduction roasting system which comprises a vertical medium-low temperature oxidation roaster, an automatic packing machine is arranged on any side of the vertical medium-low temperature oxidation roaster, a cyclone separator is arranged above the automatic packing machine, and a cooling circulation pipe network is arranged between the cyclone separator and the automatic packing machine. Materials can be effectively cooled through a cooling circulation pipe network, a vertical high-temperature reduction roaster is arranged on the side, away from the vertical medium-low temperature oxidation roaster, of the automatic packaging machine, and a hot blast stove is arranged at the bottom of the side, away from the automatic packaging machine, of the vertical high-temperature reduction roaster. A bag collector is arranged above the vertical high-temperature reduction roaster, a natural gas pipeline is arranged at the position of the hot blast stove, and fuel for combu