Considering the conditions of the original tower and the characteristics of acetone distillation process, metal screen structure packings and sieve plates were used.

 
  • 考虑丙酮精制系统的特点,在原塔基础上采用规整金属丝网波纹填料与筛板相结合的方法对原塔进行了技术改造。
今日热词
目录 附录 查词历史