Frost-prevention heat-preservation drying device of bletilla striata seedling hardening greenhouse

The utility model relates to the technical field of agricultural machinery. The frost prevention, heat preservation and drying device of the bletilla striata seedling hardening greenhouse comprises agreenhouse body, an observation window is fixedly installed on the front face of the greenhouse body, an air supply device is fixedly installed at the top of the greenhouse body, a heat preservation and moisture preservation layer is fixedly connected to the inner wall of the greenhouse body, and a culture pot is fixedly installed on the inner bottom wall of the greenhouse body. The frost prevention, heat preservation and drying device of the bletilla striata seedling hardening greenhouse comprises a base, shunting box, air heated and humidified at the top can be uniformly guided into the flowdividing box through the air inducing holes in the top; the closer the diameters of the adjusting holes are to the fixed shaft, the larger the diameters of the adjusting holes are, the larger the airflow coming out of the bot