An apparatus for drying chemical reagent

The utility model discloses a device for drying a chemical reagent. The device comprises a reagent bearing box with an upper opening, a box cover covering the upper end of the reagent bearing box, a guide pipe connected to the box cover and communicated with the inner side of the box cover, and a reagent bottle mounted at the tail end of the guide pipe, a hollow cover closing handle is arranged atthe upper end of the box cover, an air guide block is installed in the cover closing handle, and a ventilation switch which can rotate and is used for controlling the air flow direction is installedin the air guide block. A gas guide groove is formed in the outer side of the ventilation switch, and when the gas guide groove directly faces the gas outlet of the gas guide block, a gas passage is realized; the drying device is reasonable in design, simple in structure, convenient and efficient to use and easy to manufacture and realize, and is used for drying an ethylenediamine tetraacetic aciddisodium reference reagent