Sludge treatment device and method

The invention discloses a sludge treatment device and method, and relates to the technical field of sludge treatment, the sludge treatment device has the advantage of fully scattering and crushing sludge blocks, and the technical scheme is that the sludge treatment device comprises a fixed plate, a rotating shaft and a support arranged at the top end of the fixed plate, one side of the support is provided with a crushing box, and rotating grooves are formed in the two opposite sides of the crushing box; the rotating shaft is horizontally arranged, one end of the rotating shaft penetrates through the two rotating grooves, a plurality of crushing rods located in the crushing box are arranged on the rotating shaft, the groove walls of the two rotating grooves make contact with the rotating shaft, the crushing rods are evenly distributed in the circumferential direction of the rotating shaft, and a driving piece used for driving the rotating shaft to rotate and meanwhile move left and right in a reciprocating mod