A special vertical crushing device, characterized in that: the special vertical crushing device includes a driving machine, a connecting fixed plate, a rotating shaft, an inner rotating crushing and drying cylinder, a discharge port, a shaft seat, an inner cylinder crushing tooth, an outer Rotary crushing and drying cylinder, outer cylinder crushing teeth; wherein: the device is composed of a driving machine and a drying and crushing system, the driving machine is a hydraulic driving machine or a motor, the power output end of the driving machine is fixedly connected to the rotating shaft, and the other end of the rotating shaft is connected The shaft seat and the rotating shaft are fixedly installed with the inner rotary crushing and drying cylinder by connecting the fixed plate. The inner cylinder crushing teeth are uniformly arranged on the outer edge of the inner rotary crushing and drying cylinder, and the inner cylinder crushing teeth are evenly arranged on the inner side of the outer rotary crushing and drying cylinder. The outer cylinder crushing teeth on the top, and the outer rotary crushing and drying cylinder are fixedly set on the inner rotating crushing and drying cylinder. The advantages of the present invention: the special vertical crushing device described in the present invention has reasonable and simple structural design, convenient installation and disassembly, convenient maintenance, time-saving and labor-saving, high transmission efficiency, no energy loss caused by friction, and no friction between parts. Hard impact, long service life of parts, good crushing and drying effect.