Pressurizing device for tail mud dehydration

The utility model discloses a pressurizing device for tail mud dehydration. The pressurizing device comprises a feeding pipe, a conveying pipe and a hydraulic cylinder, the two ends of the top of the hydraulic cylinder are provided with a first oil inlet and outlet and a second oil inlet and outlet correspondingly, and the first oil inlet and outlet and the second oil inlet and outlet are connected with an external hydraulic oil pump station through oil conveying pipes. The two ends of the hydraulic cylinder communicate with a first working cylinder and a second working cylinder correspondingly, a first working piston and a second working piston are arranged in the first working cylinder and the second working cylinder correspondingly, and a hydraulic piston is connected between the first working piston and the second working piston through a connecting shaft. The hydraulic piston is located between the first oil inlet and outlet and the second oil inlet and outlet. The tail mud is extracted and conveyed in a