Two-section type multi-level sludge carbonization treatment system

The invention relates to a two-section type multi-level sludge carbonization treatment system. The two-section type multi-level sludge carbonization treatment system is characterized by comprising a first section multi-level drying device, a smoke channel interlayer, a second section multi-level carbonization device and a packaged heat preservation layer, the tail end of the first section multi-level drying device and the tail end of the second section multi-level carbonization device are connected with a smoke exhaust pipeline separately through a low temperature output pipe, the smoke channel interlayer is installed between the first section multi-level drying device and the second section multi-level carbonization device, is divided into an independent upper smoke channel area and lower smoke channel area, and is provided with a particle channel, the particle channel is connected with a particle inlet of the first section multi-level drying device and a particle outlet of the second section multi-level car