1, 4-cyclohexanedimethanol purification device and purification method

The invention discloses a 1, 4-cyclohexanedimethanol purification device and a purification method.The 1, 4-cyclohexanedimethanol purification device comprises a dissolving treatment tank, the bottom of the dissolving treatment tank is communicated with a first-stage material pump through a material pipe, and the end, away from the dissolving treatment tank, of the first-stage material pump is communicated with a vacuum distillation tank through a material pipe; the bottom of the decompression rectification tank is communicated with a secondary material pump through a material pipe, and one end, far away from the decompression rectification tank, of the secondary material pump is communicated with a pressurization rectification tank through a material pipe; by adopting a means of combining actual operation and process detection integrating dissolution and impurity removal, solubility detection, partitioned temperature control, auxiliary hydrogenation, waste gas treatment and cis-trans isomer expression detect