Efficient polypeptide synthesis device

The invention belongs to the technical field of polypeptide synthesis equipment, in particular to an efficient polypeptide synthesis device. The efficient polypeptide synthesis device comprises a polypeptide synthesis pipe, a nitrogen tank, a waste liquid separation part and a nitrogen recovery part, wherein a sand core plate is arranged in the polypeptide synthesis pipe; the nitrogen tank is connected to the nitrogen inlet of the polypeptide synthesis pipe through a nitrogen conveying pipe; the nitrogen conveying pipe is provided with a nitrogen heating device; the nitrogen heating device comprises a shell, a gas pipeline arranged in the shell, and an electric heat wire wound to the gas heating pipe; the waste liquid separation part comprises a waste liquid collection bottle and a vacuumpump, wherein a separation membrane is arranged in the waste liquid collection bottle. The waste liquid separation part and the nitrogen recovery part are arranged to respectively recover solvent andnitrogen, and synthesis co