Drying and polishing device for dewatered sludge

The utility model provides a drying and grinding device for dewatered sludge, relates to the technical field of sludge treatment, and solves the problems that after the existing sludge is dewatered, the sludge still contains certain moisture, and the sludge with the moisture is agglomerated, so that the processing of the subsequent sludge brick making process is not facilitated, and the sludge needs to be dried and ground. The sludge conveying device comprises a first support and a second support, a sludge conveyor used for conveying sludge is installed on the first support, a sludge feeding port is formed in the upper portion of one end of the first support, and the sludge feeding port is located above the sludge conveyor. The drying device is installed on the first support, located above the sludge conveyor and used for drying the sludge, and the grinding device is arranged on the second support and used for grinding the dried sludge into fine powder. The sludge drying and polishing device has the beneficia