Sludge concentration device

The invention discloses a sludge concentration device and relates to the field of concentration of sludge. The sludge concentration device comprises a stirring mechanism and a conveying and concentrating mechanism, wherein the stirring mechanism comprises a stirring tank, a sludge inlet pipe, a motor and a stirring part; the conveying and concentrating mechanism comprises a conveyor belt; a transporting pipe is arranged at the upper part of the conveyor belt; protection plates are arranged on both sides of the conveyor belt; filter holes with filter cloth are uniformly formed in side walls of the protection plates; a water receiving part is arranged at the lower part of the conveyor belt; the conveying and concentrating mechanism further comprises a concentrating part mounted at the lower part of the stirring tank; the concentrating part comprises a fixing part, a connecting part and a pressing wheel; the upper part of the fixing part is fixedly connected with an outer wall of the stirring tank; the pressing