装置内蒸汽主管道布置及应力浅谈

Discussion on Layout and Stress of Steam Main Pipe in Equipment

石油化工装置内蒸汽主管道一般布置在主管桥上,向各个蒸汽使用点提供蒸汽。一般蒸汽有吹扫、伴热、提供热源、驱动设备等多种用途。蒸汽有低压蒸汽、中压蒸汽、过热蒸汽等区分,但是其布置原则大同小异,此处不做特别区分。由于蒸汽管道温度高,热涨大,很容易对管桥结构和分支管产生很大影响,所以布置时要特别小心。因此运用石油化工行业压力管道专业常用应力分析软件CAESARⅡ,分析了蒸汽管道布置时需要注意的问题。

The main pipeline of steam in the petrochemical plant is generally arranged on the main pipe to provide steam to each steam use point.General steam purging, heat, heat supply, drive equipment and other uses.General steam has low pressure steam, medium pressure steam, superheated steam and other distinction, but its layout principle is much the same, here we do not make a special distinction.As the steam pipe temperature is high, hot up large, it is easy on the bridge structure and branch pipe have a great impact, so the placement should be particularly careful.I use the petrochemical industry pressure pipeline professional stress analysis software CAESARII, analysis of the steam pipe layout need to pay attention to the oroblem.