Rotary convenient heating nitrogen blowing concentrator for sample vial concentration

The utility model discloses a rotary convenient heating nitrogen blowing concentrator for concentrating small sample bottles, which comprises a drawer type fixed table, a rotary device fixed on the drawer type fixed table, a rotary fixed disc connected with the rotary device, a surrounding rod, a heating device, a sample fixing device and a nitrogen distribution disc, the bottom of the surrounding rod fixes the heating device to the rotary fixing disc through a buckle, the sample fixing device is attached to the heating device through a screw, the nitrogen distribution disc is provided with an air pressure controller and 12 nitrogen blowing needles, the nitrogen blowing needles are movably fixed to the nitrogen distribution disc, and the nitrogen blowing needles are arranged on the nitrogen distribution disc. The number of the sample bottle clamping grooves is 12. By adopting the nitrogen blowing concentration device, a user can conveniently carry out nitrogen blowing concentration operation on the small samp