Sludge modification conditioning device and sludge treatment system

The utility model discloses a sludge modification conditioning device and a sludge treatment system, relates to the technical field of sludge treatment, and is used for mixing sludge and related chemicals so as to improve the dehydration performance and compression resistance of the sludge. The sludge modification conditioning device comprises a shell, a stirring shaft and a helical ribbon assembly, the shell is provided with a conveying channel used for conveying sludge. And the shell is provided with a sludge inlet, at least one dosing port and a sludge outlet which are sequentially arranged along the extension direction of the conveying channel. And at least part of the stirring shaft is rotationally mounted in the conveying channel. The helical ribbon assembly comprises a first helical ribbon and a second helical ribbon which are spirally wound on the stirring shaft, and the rotating directions of the first helical ribbon and the second helical ribbon are opposite. And the sludge inlet, the chemical feedi