Sludge treatment device

The invention discloses a sludge treatment device. The sludge treatment device comprises a bottom plate; a dewatering box which is fixedly connected with the bottom plate is arranged at the upper sideof the bottom plate; inserting rods which are connected with the dewatering box in a sliding manner are symmetrically arranged at the left end and the right end of the dewatering box; a connecting plate is arranged at the end, far away from the dewatering box, of each inserting rod; a gear rack which is fixedly connected with each connecting plate is arranged at the left side of the correspondingconnecting plate; a sliding groove is formed in the front side of the dewatering box; a forming box which is connected with the sliding groove in the sliding manner is inserted into the sliding groove; one end of each inserting rod penetrates through the side wall of two ends of the forming box and is connected with the corresponding side wall in the sliding manner; a metal filtering box which isfixedly connected with the