Chemical energy-saving rectification system and control device

The invention relates to the technical field of chemical rectification equipment, in particular to a chemical energy-saving rectification system and a control device.The chemical energy-saving rectification system comprises a bottom plate, an evaporation tank, a bearing table, a collecting box, a rectification mechanism, a pressure alarm mechanism, a liquid level sensing mechanism and four supporting legs; the bearing table and the collecting box are arranged at the top of the bottom plate in a spaced mode, the rectification mechanism is installed at the top of the bearing table, one end of the rectification mechanism communicates with the top end in the evaporation tank, the pressure alarm mechanism is installed at the top of the evaporation tank, and the liquid level sensing mechanism is installed at the top of the bottom plate. A condensation plate in the rectification mechanism can be automatically turned over, the cooling assembly can conveniently cool the two faces of the condensation plate, the two fac