Rapid sampling device for catalyst production

The utility model discloses a rapid sampling device for catalyst production. Belonging to the field of catalyst production, the device comprises a reaction kettle and a sampling cylinder, the bottom of one side wall of the sampling cylinder is connected with a sampling pipe; a one-way valve is mounted on the sampling pipe; the bottom wall of the sampling cylinder is connected with a discharge pipe; a valve is mounted on the discharge pipe; a piston block is arranged in the sampling cylinder; a nut is fixed on the top wall of the sampling cylinder; a screw is in threaded connection in the nut,a knob is mounted at one end of the screw, the other end of the screw penetrates through the top wall of the sampling barrel and is rotationally mounted on the piston block, a liquid outlet pipe is connected to the bottom, close to the side wall of the sampling barrel, of the reaction kettle, a liquid outlet valve is mounted on the liquid outlet pipe, and a connecting block I is connected to one end, close to the sampling