Quantitative diatomite filling and extracting device

A diatomite quantitative filling extraction device comprises a liquid collection bottle, a first inlet and a second inlet which are communicated with the interior of the liquid collection bottle, a chromatographic column arranged in the first inlet, and a working platform, the placing table is positioned above the working platform and is used for placing the liquid collecting bottle; the discharging mechanism is positioned above the liquid collecting bottle and is used for putting diatomite into the chromatographic column; the opening and closing mechanism is arranged in the discharging mechanism and is used for controlling the opening or closing of the discharging mechanism so as to control the height of the diatomite in the chromatographic column; and the pressing triggering mechanism is arranged between the placing table and the working platform and is used for triggering the opening and closing mechanism to work according to the downward pressing action of the placing table. According to the utility model