Oxidation tank aluminum ion and sulfuric acid recovery and modification pulse power supply energy saving system and process

The invention discloses an oxidation tank aluminum ion and sulfuric acid recovery and modification pulse power supply energy saving system and a process, and solves the problems of high temperature on an oxidation interface, high dissolving quantity of an oxide film and high energy oxidation consumption in traditional aluminum alloy oxidation. A modification pulse power supply energy saving device comprises an oxidation tank, a refrigerator, a titanium exchanger, a pump 1, an overflow tank and a pipe, and further comprises a movable oxidation polar plate device; the movable oxidation polar plate device includes multiple driving motors, a mobile positioning device, a mobile cathode cooling pipe, an anode electric conducting base and a cathode electric conducting device; and a communicated oxidation power supply of the anode electric conducting base is a frequency/amplitude-adjusted pulse direct-current oxidation power supply. A main system using the energy saving device further comprises an aluminum ion crysta