This plant is suitable for heating and sterilize syrup, juice, food and other similar material. it is composed of a cylindrical stainless steel inner cylinder and a head, and the pot body forms a heat transfer interlayer. It is polished and wrapped with stainless steel. The surface is beautiful and looks generous. The melted substance and the cold water are placed in the pot, and the steam passes through the interlayer so as to achieve the purpose of heating and melting. The pipeline connected with the interlayer is equipped with a pressure gauge and a safety valve, so as to measure the pressure in the interlayer and ensure the safe production.