Methanol rectification device

The utility model relates to the technical field of methanol rectification, and discloses a methanol rectification device which comprises a tower body, a first tower body is arranged at the top of the tower body, a second tower body is arranged at the top of the first tower body, and a moving assembly is connected between the first tower body and the second tower body. The moving assembly comprises a semi-ring sealing block, a notch, a connecting block, a third tower body, a first ring groove, a second ring groove and a sealing ring. According to the methanol rectification device, a fulcrum is provided for rotation of the third tower body, a user can conveniently move the third tower body, and the top opening of the first tower body and the bottom opening of the second tower body are exposed, so that the user can conveniently replace fillers at different positions, the rate of replacing the fillers by the user is increased, and the rectification efficiency of methanol raw materials is ensured; and a clamping