求大神指点,aspen稳态转动态,泵出现错误。且工艺中有 ...? Generating block results ... Block: P1 Model: PUMP INFORMATION WHILE GENERATING RESULTS FOR UNIT OPERATIONS BLOCK: "P1" (MODEL: "PUMP") NET POSITIVE SUCTION HEAD IS LESS THAN ZERO Block: P2 Model: PUMP Block: P3 Model: PUMP Block: P4 Model: PUMP Block: P5 Model: PUMP INFORMATION WHILE GENERATING RESULTS FOR UNIT OPERATIONS BLOCK: "P5" (MODEL: "PUMP") NET POSITIVE SUCTION HEAD IS LESS THAN ZERO 查看更多0个回答 . 5人已关注
空分设备主换热器堵塞的原因及处理? 郭 明 志 (河南中原特殊钢集团有限责任公司动力公司,河南省济源市454685) 摘要: 因KDON.350/900型空分设备 分子筛 纯化系统前预冷器发生故障,导致水分和二氧化 碳进入主 换热器 ,并堵塞主换热器的通道。详细介绍了解决该故障的具体操作方法和步骤,简述 了预冷器发生故障时的操作方法,以保证空分设备的正常运行。 关键词:小型空分设备;主换热器;堵塞;分子筛纯化系统 中图分类号:TB657.5 文献标识码:B Cause analysis an d treatment of block in main heat exchanger of air separation unit Guo Ming.zhi (Power Division,Henan Zhongyuan Special Steel Co.,Ltd.,Jiyuan 454685,Henan,P.R.China) Abstract: Because of malfunction of the preeooler preceding to molecular sieve purification system in a KDON-350/900 type air separation unit,water and carbon dioxide entered the main heat exchanger and blocked its channe1.Concrete operating methods an d steps to deal with the malfunction have been introduced in details,followed by a brief description of operating method to ensure normal operation of air separation unit during the malfunction of the precooler. Keywords: Small scale air separation unit;Main heat exchanger;Block; Molecular sieve purification system查看更多1个回答 . 2人已关注