Multifunctional integrated sewage treatment bioreactor

The utility model discloses a multifunctional integrated sewage treatment bioreactor. Reactor box, a facultative tank is arranged in the reactor box body; a filler bracket is arranged in the facultative tank; a composite filler carrier I suitable for the growth of microbial strains is arranged on the filler bracket; a partition plate I is arranged on the right side of the facultative tank; an aerobic tank is adjacently arranged on the right side of the clapboard I; a clapboard II is arranged on the right side of the aerobic tank; an MBR membrane tank is arranged on the right side of the partition plate II; a water inlet II is formed above the clapboard II; an MBR membrane assembly is arranged in the MBR membrane tank; an aeration device is arranged in the MBR membrane tank; a partition plate III is arranged on the right side of the MBR membrane tank; a clean water tank and a sludge tank are adjacently arranged on the right of the clapboard III; a concentrated liquid reflux pump is mounted at the bottom of the