▎ 摘　　要

NOVELTY - The utility model claims a polyglutamic acid fermentation and purification device, comprising a shell; the middle position of the top end of the shell is provided with an inlet matched with it; the inner part of the shell is provided with a fermentation reaction device; the bottom end of the fermentation reaction device is provided with a functional frame matched with it; two sides of the top part of the function frame are provided with a conflux seat matched with it; between the two confluence seats is provided with an absorbing frame matched with the function frame; the inner part of the absorbing frame is filled with absorbing resin; the bottom end of the absorbing resin is XAD-2 resin shell is provided with a tubular ultra-filtering frame matched with it; the fermenting reaction device comprises a reaction shell; the inner part of the reaction shell is filled with fermentation medium, and the fermentation medium is amino-modified graphene oxide carrier; the inner wall of two sides of the reaction shell are provided with a pressing plate matched with it. The beneficial effects are: effectively ensures the device in the whole use period, can well the fermentation and purification process for uniform processing, so that the device is more flexible and practical.