Retort is one kind of equipment which can prolong the shelf life of food, to sterilize food at high temperature and short time, which not only kills possible pathogenic bacteria in food, but also keeps important nutrients, color, fragrance and taste of food from being damaged. This series of sterilizers has reasonable structure, good sealing, labor-saving opening and closing, convenient operation, safety and reliability, and stable performance. The equipment is mainly composed of pot body, pot cover, opening device, locking wedge, safety interlock device, track, sterilization basket, steam pipe etc. The lid is sealed with temperature-resistant sealing ring, which is reliable and has a long service life. It has the characteristics of large heating area, high thermal efficiency, uniform heating, short boiling time of liquid material, and easy control of heating temperature. It’s mainly used in various fields such as food industry and medicine.