Tea dryer with hot air circulation function

The utility model discloses a hot air circulation tea dryer which comprises a heat preservation layer, a hot air circulation cover fixed in an inner cavity of the heat preservation layer and a supporting trolley placed in the heat preservation layer and located in an inner cavity of the hot air circulation cover, and a warm air pipe for conveying warm air to the inner cavity of the heat preservation layer is installed at the top of the heat preservation layer. The hot air circulation cover comprises a U-shaped cover and a plurality of air inlet holes formed in the surfaces of the two sides of the U-shaped cover. Hot air in the drying box is divided into two strands to flow from left to right through the U-shaped cover, the hot air circulates in the U-shaped cover after entering the U-shaped cover, the two groups of air guide mechanisms on the inner side of the U-shaped cover can guide the hot air on the left and right to the trailer, and the gear drives the rack to move up and down by controlling the servo mo