Purification device for producing hydrogen for partial hydrogenation of benzene

The utility model discloses a purification device for producing hydrogen for partial hydrogenation of benzene. The purification device comprises a leaching tower and a spraying assembly, an air inlet pipe is arranged at the lower end of the leaching tower, aeration holes distributed in an array mode are formed in the upper end of the outer arc surface of the air inlet pipe, a net plate is arranged at the upper end of the interior of the leaching tower, a deaerator is arranged on the upper surface of the net plate, a secondary treatment box is arranged on the left side of the outer arc surface of the leaching tower, and an air inlet of the secondary treatment box is communicated with an air outlet formed in the top end of the leaching tower through a communicating pipe; the spraying assembly is arranged on the lower surface of the screen plate, the spraying assembly comprises a connecting column, the connecting column is arranged in the center of the lower surface of the screen plate, the outer arc surface of