The abnormal conditions of polyester vaccum system such as the frequent exchanging of liquid-ring pump in prepolycondensation Ⅰ, the occlusion of scraped condenser and vaccum atmospheric leg, the EG spray flow decreasing of vaccum injection pump, the work
The abnormal conditions of polyester vaccum system such as the frequent exchanging of liquid-ring pump in prepolycondensation Ⅰ, the occlusion of scraped condenser and vaccum atmospheric leg, the EG spray flow decreasing of vaccum injection pump, the work
摘要对聚酯真空系统的异常情况如预聚Ⅰ液环泵频繁切换，刮板冷凝器、真空大气腿堵塞、真空喷射泵EG喷淋流量降低，喷射泵本体工作性能偏低等进行了分析。