Patent ID: 8192625

Claim:
A jet aeration apparatus for aerating a membrane bioreactor, the jet aeration apparatus comprising a jet aerator and an air supply pipe, wherein said jet aerator is disposed in said membrane bioreactor and comprises a water inlet, a pump disposed below a liquid surface of said membrane bioreactor, an air inlet pipe whose air inlet is disposed above said liquid surface of said membrane bioreactor, and a jet pipe comprising a jet nozzle; said air supply pipe is disposed below a membrane module of said membrane bioreactor and comprises a connector; said connector of said air supply pipe is connected to said jet nozzle of said jet pipe of said jet aerator; and said air supply pipe further comprises a branch pipe and a drain pipe, said branch pipe having equal length and being disposed below said membrane module, and both ends of said drain pipe being closed and each side being connected to said branch pipe.