蒸汽工况下流量计和开关阀的设计选型研究  

Flow Meter and On-off Valve Selection Research for Steam Application

作　　者：杨洪 Yang Hong(Shanghai Jian’an Chemistry Company,Shanghai 200072)

机构地区：[1]上海建安化工设计有限公司,上海200072

出　　处：《石化技术》2018年第8期47-48,共2页Petrochemical Industry Technology

摘　　要：本文首先详细介绍了蒸汽汽锤的成因和汽锤的5种具体的物理形态。在此基础上,对安装在蒸汽管线上的涡街流量计和孔板流量计的设计选型,进行了详细的比较和分析。研究并对比了蒸汽流量测量的2种不同的温压补偿设计方案。然后,对气动球阀和气动单座阀在蒸汽工况下的应用也进行了深入探讨。最后,本文指出了关于蒸汽工况下流量计和气动开关阀设计选型的若干建议。This paper introduces the cause and five physical status of steam hammer at first.Then analyze and compare the steam line application of vortex flow meter and orifice plate flow meter.After that,this paper discusses two different temperature and pressure compensation solutions for the steam flow measurement.And also discuss the pneumatic globe on-off valve and ball valve applied for the steam application.At last,provide some selection suggestion for the flow meters and on-off valves under steam application.

关 键 词：蒸汽汽锤 涡街流量计 孔板流量计 温压补偿 球阀 单座阀 

分 类 号：TQ056.15[化学工程]