Isobutene superposition system device transformed and converted by methyl tert-butyl ether device

The utility model provides an isobutene superposition system device transformed by a methyl tert-butyl ether device. The isobutene superposition system device consists of a feeding unit, a superposition unit, a catalytic distillation unit and an inhibitor recovery unit, wherein the inhibitor recovery unit is formed by connecting an inhibitor extraction tower and an inhibitor rectification recoverytower; mixing C4 and an inhibitor and carrying out pre-reaction in a superposition reactor; carrying out deep superposition reaction through a catalytic distillation tower; inhibitor recovery and superimposed product extraction are completed through an inhibitor extraction tower and an inhibitor rectification recovery tower; according to the present utility model, with the minimum modification cost, the application values of the original methyl tert-butyl ether preparation system device and the process facility thereof are provided to the greatest extent, the isobutene component overlapping production adopting the mi