Vacuum drying can be applied in a range of processes in several industries, including chemical, pharmaceutical, food, plastics, and metal powders.
真空干燥过程中可以应用在一个范围在几个行业，包括化工，制药，食品，塑料，金属粉末。
2
Finally, on the basis of operative data of 23 domestic and foreign vartical spray dryers, a reasonable range of drying time is recommended.
并以国内、外23个工式干燥塔的运行数据为基础，推荐一个较为合理的干燥时间范围。
3
In this article, authors show the drying shrinkage models and autogenous shrinkage models at home and abroad, analyze respectively the characteristics and application range between these models.