Adjust slot type making herbs into wool drying device that extension board goes up and down

The utility model provides an adjust slot type making herbs into wool drying device that extension board goes up and down, set up drying groove in the casing, the drying groove top sets up automatic lid, drying groove below sets up baffle under the return air, the baffle sets up the fan with shells inner wall intersection under the return air, in the drying groove, evenly distributed heating pipe between shells inner wall and the drying groove periphery, set up the extension board in the drying groove, evenly distributed bleeder vent on the extension board, the extension board top sets up the basket of flowers, four at least positioning screws of bottom surface evenly distributed in the drying groove, positioning screw perpendicular to drying groove's bottom surface, positioning screw upper end periphery sets up the screw thread, positioning screw upper end spiro union two nuts, the border of extension board sets up between two nuts, through the height of adjusting the extension board with the elongated posit