Molecular sieve system

The utility model relates to the technical field of molecular sieves, in particular to a molecular sieve system, which adopts the technical scheme that the molecular sieve system comprises a box body, a servo motor, a molecular sieve body and an air injection plate, fixing sleeves are respectively mounted on two sides in the box body, two sides of the molecular sieve body are respectively inserted into the two fixing sleeves, and fixing plates are symmetrically welded at the top end in the box body. Bearings are embedded in the two fixing plates correspondingly, fixing rods are fixedly installed on inner rings of the two bearings, a connecting rod is installed in the middle of the top of the air injection plate, the top of the connecting rod is fixedly connected with the fixing rods, a servo motor is installed at the top end of the interior of the box body on one side of the two fixing plates, and a pump body is installed on one side of the top of the box body. And an exhaust pipe is mounted on one side of th