Rectifier oil removal device for sewage treatment

The utility model discloses a rectifier oil removal device for sewage treatment. The rectifier comprises a mounting box body, a rectifier body and an oil removal structure, an opening is formed in oneside surface of the mounting box body; a protective door is hinged to the open end through a hinge; a transparent glass window is arranged on the protective door; a fixed table is arranged on the bottom end surface of an inner cavity of the mounting box body; a rectifier body is fixedly mounted on the top end surface of the fixed table through bolts; the rectifier body is arranged in the middle of the mounting box body; wherein a rectifier body is arranged in the mounting box body, a gap exists between the rectifier body and the inner wall of the mounting box body, oil removing structures arearranged in two groups of gaps between the rectifier body and the mounting box body, each oil removing structure comprises a first oil scraping plate and a second oil scraping plate, and rectangularsliding grooves are transve