Nanjing Yatai microwave sugar dry sterilization machine favored
Nanjing Yatai Microwave Energy Technology Research Institute has introduced an advanced microwave sugar cube drying and sterilizing machine that has gained popularity among food manufacturers due to its exceptional performance. According to Chen Jinchuan, a renowned microwave expert and director of the institute, microwave heating works by subjecting polar molecules in the material to an electromagnetic field. These molecules align with the external electric field, causing rapid movement and collisions that generate heat. This process allows for simultaneous internal and external heating, unlike traditional methods such as convection or radiation, which rely on gradual heat transfer from the surface inward. As a result, microwave heating is significantly faster—often tens to hundreds of times quicker than conventional techniques.
The benefits of using microwave heating for sterilization include: 1) fast and efficient heating, 2) clean and pollution-free operation, improving the working environment, 3) compact equipment that saves space, 4) flexibility in processing various materials, 5) precise control suitable for continuous production and automation, and 6) improved product quality.
Sugar cubes are made from sugar powder and other ingredients, typically containing 3–4% moisture, which must be reduced to around 0.5% for storage and sale. They are commonly used in coffee, milk, and other beverages. Traditional hot air drying methods have several drawbacks: they can cause melting, blistering, and damage to appearance and taste, while also being energy-intensive and requiring manual handling, which reduces efficiency and introduces contamination risks.
To address these issues, Nanjing Yatai developed a microwave-based sugar drying and sterilizer. This technology prevents high-temperature melting and foaming, enabling continuous production. It also avoids scorching, preserving the original look and flavor of the sugar cubes. The system enhances drying speed, boosts productivity, and minimizes secondary pollution. Additionally, it is energy-efficient and supports cleaner, safer processing environments.
Since its launch, the microwave sugar drying and sterilizing machine has received positive feedback from customers. The institute plans to expand technical support and marketing efforts to further promote this high-quality food equipment.
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