51-caliber two-way valve structure for regeneration of dehumidification dryer

The 51-caliber two-way valve structure comprises a main body, a partition plate and an air cylinder, the main body is of a columnar cavity structure with openings in the two ends and hollow inside, the partition plate is arranged in the columnar cavity and divides the columnar cavity into a first cavity body and a second cavity body, a communicating hole is formed in the partition plate, and the first cavity body and the second cavity body are communicated through the communicating hole. A first air outlet pipe is arranged at an opening in the left end of the main body, a tetrafluoro square heat insulation sealing piece is arranged at an opening in the right end of the main body, the air cylinder is installed on the tetrafluoro square heat insulation sealing piece, and the output end of the air cylinder sequentially penetrates through the tetrafluoro square heat insulation sealing piece, the main body and the partition plate from outside to inside and then is detachably connected with the tetrafluoro valve pl