Chemical impurity removal and drying device

The invention discloses a chemical impurity removal and drying device which comprises a box body and a screen. The other side of the top of the box body is provided with a dehumidification device, thedehumidification device comprises a water tank, a pipeline and a first exhaust fan, two material sliding plates are installed on the inner wall of the box body from top to bottom in a staggered way and are provided with air inlet channels, the ends of the material sliding plates are provided with collecting groves, the screen is installed at the lower portion of the inner cavity of the box body,the higher end of the screen is provided with an impurity removal device, and the impurity removal device comprises a second exhaust fan, a box body and a collecting bag. The chemical impurity removaland drying device is provided with the dehumidification device, draws out dust in chemicals and moisture and much irritant gas in the drying process through the first exhaust fan, then guides them into the water tank through t