聚丙烯装置汽蒸单元运行问题分析及对策
Petrochemical Technology & Application(2011)
Abstract
分析了聚丙烯装置汽蒸单元产生汽蒸罐结块频繁、汽蒸罐洗剂塔隔离池固体粉料多及工艺水过滤器频繁堵塞等问题的原因,通过优化调整工艺参数,如减少汽蒸蒸汽流量、将汽蒸罐料位控制值由50%降至35%、将汽蒸罐温度设定为105℃等,并采取将工艺水过滤器改为双层金属网式过滤器、汽蒸罐洗涤塔液位计改为浮筒式液位计等措施,使汽蒸单元运行平稳,各项控制指标均达设计要求。
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Key words
cyclone separator,steaming section,process water filter,polypropylene,steaming tank,steam
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