Sludge drying machine and sludge treatment system

The utility model relates to the technical field of sludge treatment, in particular to a sludge drying machine and a sludge treatment system. The sludge drying machine comprises a shell and a conveying shaft located in the shell, a driving part and a heat source supply part are arranged outside the shell, the shell is provided with at least one gas outlet, the gas outlet is connected with a gas outlet pipe, the shell is provided with a gas inlet pipe, the gas inlet pipe is provided with a carrier gas outlet, and each gas outlet is provided with a corresponding gas outlet pipe. All the air outlet pipes are connected to a collecting pipe; the gas inlet pipe extends into the shell, and the carrier gas outlets are located in the shell, and the number of the carrier gas outlets is larger than one. According to the sludge drying device, the sludge drying efficiency is improved, and meanwhile, the probability that drying gas flows back to the drying furnace after being condensed is reduced. 本实用新型涉及污泥处理技术领域，特别涉及一种污泥干