Compression dehydrator

The utility model relates to a compression dehydrator which comprises a machine frame, a base is installed at the bottom of the machine frame in a welding mode, a main pressure oil cylinder is installed inside one end of the machine frame, and the main pressure oil cylinder is connected with the machine frame through main pressure oil cylinder pin shafts on the two sides. A material pushing trolley is fixedly installed at the end of a piston rod of the main pressure oil cylinder, the material pushing trolley is in sliding connection with the machine frame through pulleys fixedly installed at the bottom, a main pressure cavity and an auxiliary pressure cavity are formed in the machine frame, the main pressure cavity is located on the front side of the main pressure oil cylinder, and the auxiliary pressure cavity is located on the front side of the main pressure cavity. Drain holes are formed in the two side walls of the main pressing cavity, and a first support is fixedly installed on the inner wall of the bot