Bamboo arch bridge dehumidification device and method and bamboo arch bridge

The invention discloses a bamboo arch bridge dehumidification device and method and a bamboo arch bridge, and belongs to the technical field of arch bridges, the device comprises two air inlets located in the left side and the right side of an outer cover of the dehumidification device and two air outlets located in the top, air supply fans and heating plates are sequentially arranged on the inner sides of the two air inlets, and a condensation plate is arranged between the two heating plates; an air supply channel is connected between the heating plate and the condensation plate, the top and the periphery of the condensation plate are closed, the bottom of the condensation plate is open and connected with a drainage pipeline, a honeycomb structure made of glass fiber materials is arranged on the heating plate, and a water absorption material is attached to the honeycomb structure. The bamboo arch bridge dehumidification device can achieve two-way dehumidification, the air supply fans, the heating plates and