Common field processing chamber of high-voltage pulsed electric field sterilization system based on optimization of coupling field structure

The utility model discloses a common field processing chamber of a high-voltage pulsed electric field sterilization system based on optimization of a coupling field structure, which comprises a metal hollow tubular grounding electrode (1), a metal hollow tubular high-voltage electrode (2), an insulator isolation tube (3), a feeding port (4) and a discharge port (5), wherein the insulator isolation tube (3) is arranged between the metal hollow tubular grounding electrode (1) and the metal hollow tubular high-voltage electrode (2) to form a processing chamber cavity, the metal hollow tubular grounding electrode (1) is connected with the feeding port (4), and the metal hollow tubular high-voltage electrode (2) is connected with the discharge port (5). The common field processing chamber of the high-voltage pulsed electric field sterilization system based on optimization of the coupling field structure is characterized in that the inner portion of the insulator isolation tube (3) bulges, and the geometrical shape is of an elliptical shape. The common field processing chamber of the high-voltage pulsed electric field sterilization system based on optimization of the coupling field structure has the advantages of safety, high efficiency and economy and the like, and can promote the high-voltage pulsed electric field sterilization technology to turn to pilot scale and commercial application from lab application.