What role does a steam generator play in the milk sterilization process?
In the milk pasteurization process, steam generators are critical equipment for ensuring sterilization effectiveness and product quality. Their function directly impacts sterilization efficiency and nutrient retention in milk. Pasteurization requires heating milk to 62-65°C for 30 minutes, or 75-90°C for 15-20 seconds. This process requires extremely high temperature stability, and steam generators precisely meet this core requirement.
The steam generator continuously outputs saturated steam, providing a uniform and controllable heat source for the pasteurization equipment. Compared to other methods like electric heating, steam transfers heat more quickly, allowing milk to reach the target temperature in a shorter time, minimizing the loss of vitamins A and D and flavor changes caused by prolonged heating. Its precise temperature control system keeps temperature fluctuations within the optimal sterilization range, perfectly matching the stringent temperature accuracy requirements of pasteurization. This prevents incomplete sterilization due to insufficient temperatures, or damage to the milk's nutritional structure due to excessive temperatures.
Furthermore, the high-temperature steam produced by the steam generator can be used to clean equipment before and after sterilization. During production breaks, steam sterilization of pipes, storage tanks, and other equipment effectively removes residual milk protein and bacteria, preventing cross-contamination and providing a sterile environment for the next batch of production, forming a complete "sterilization-cleaning" guarantee chain.
At the same time, the thermal efficiency of steam heating is as high as 101.21%, which is more energy-efficient than traditional heating methods. It can reduce the energy consumption cost of the pasteurization process and improve production economy while ensuring the quality of milk.
With its advantages of precise temperature control, efficient heat transfer, cleanliness and energy saving, steam generators have become an indispensable core equipment in the milk pasteurization process, providing solid support for safe and high-quality production in the dairy industry.
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