文章介绍了双重密封的结构和原理，通过充水试验检验双重密封的各项性能，对出现的问题进行了分析，并提出了改进方法。
This paper illustrates the structure and principle of double seals, analyzes the problems found in water filled test, and brings forward the improvement method.
常用的试验方法为静水试压，即：向封闭的管段充水，然后把管段升压至规定压力，检查是否泄漏。
A common approach is hydrostatic testing-filling a closed pipeline section with water, then pressurizing the line to a specified pressure to check for leaks.
通过正交试验，探讨了A SBR工艺最为重要的两个操作参数即充水时间和负荷率对ASBR工艺过程的影响。
Two essential operational parameters of (ASBR) - fill time and organic loading rate were discussed for their effects on the process performance through orthogonal tests.
应用推荐