The invention relates to the technical field of garbage treatment, in particular to a
plateau low-temperature
biodegradation garbage
treatment system which comprises a
pyrolysis tower, a
biodegradation device and a preheating and
drying device, an air guide
pipe is connected between the
pyrolysis tower and the preheating and
drying device, the lower side of the preheating and
drying device is connected with the
biodegradation device through a material conveying pipeline, and the lower side of the preheating and drying device is connected with the material conveying pipeline. A first
heat exchanger is arranged in the
pyrolysis tower, a second
heat exchanger is arranged in the preheating and drying device, the pyrolysis tower, the biodegradation device and the preheating and drying device are arranged to operate in a matched mode,
heat energy of the pyrolysis tower is used for providing preheating and dehumidification for garbage in the preheating and drying device, the buried biodegradation device is adopted, and the pyrolysis tower, the biodegradation device and the preheating and drying device are integrated. The
energy consumption required for heat preservation of microbial
flora in the biodegradation device is reduced, and the device is suitable for being applied to biodegradation of organic garbage in
plateau low-temperature regions into recyclable fertilizers.