本文简述采用机械清洗方法替代化学清洗方法清洗真空制盐预热器中垢层。并在实际应用中取得良好效果。
This paper describes mechanical cleaning in place of chemical cleaning to clean the scale in vacuum salt making pre-heater with good results in practical application.
本文介绍高真空分子蒸馏设备中预热器的结构、设计计算、控制原理。
The article introduce structure, design calculation and control principle of preheater in Hight atmospheric molecular distillation equipment.
研究了真空包装甜玉米加工过程中预热和杀菌条件对产品质量和储藏期的影响。
The effect of conditions of pre heating and sterilizing on the quality and storability of vacuum packed sweet corn was studied.
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