Thermal circulation type drying device for manufacturing CTP plate

The invention relates to the technical field of CTP plate drying, in particular to a heat circulation type drying device for manufacturing a CTP plate. A heat circulation type drying device for manufacturing a CTP plate comprises a support, the support is fixedly connected with ventilation shells opposite in position, the ventilation shell on one side is communicated with an air inlet pipe, the ventilation shell on the other side is communicated with an air outlet pipe and fixedly connected with a shell, the shell is provided with a feeding and discharging port, the ventilation shells are fixedly connected with shielding pieces distributed in an annular array, and the shielding pieces are fixedly connected with a heat exchanger. The shielding pieces are provided with through holes, the ventilation shells opposite in position are jointly and rotationally connected with a rotating shaft, and the support is fixedly connected with an output shaft and a first motor fixedly connected with the rotating shaft. Accord