Drying cylinder assembly and purification device with same

The utility model discloses a drying cylinder assembly and a purification device with the drying cylinder assembly, the drying cylinder assembly comprises a cylinder body, the upper end and the lower end of the cylinder body are respectively provided with a top cover and a bottom cover, the inner side of the top cover is provided with an internal thread blind hole, and the bottom cover is provided with an air inlet hole in a penetrating mode; the barrel body is filled with the adsorbent; the lower end of the air outlet pipe extends out of the bottom cover and is in sealed connection with the bottom cover, an external thread section is arranged at the top end of the air outlet pipe and can be in threaded fit with the internal thread blind hole, and the air outlet pipe is provided with an air outlet hole in the radial direction of the air outlet pipe and provided with an air outlet channel in a penetrating mode in the axial direction of the air outlet pipe; the air outlet pipe is sleeved with the filtering part