收稿日期:2022-09-13氮压机安全经济运行技术改造实践周金城，刘江淮，王胜利(安徽马钢气体科技有限公司，安徽马鞍山243000)摘要:针对马钢35000m3/h空分设备2#氮压机运行时出现的主电机电流高、喘振故障、氮气放散率高与入口调节阀卡阻的问题，通过对氮压机入口调节阀、防喘振阀分步实施技术改造，保障了氮压机安全经济运行。叙述了2#氮压机运行过程中马钢氮气管网压力升高时，氮压机主电机电流高、喘振故障、氮气放散率高的现象与原因，阐述了对氮压机入口调节阀、防喘振阀实施技术改造的具体方法，介绍了氮压机入口调节阀的卡阻原因及技术改造方法。关键词:空分设备;氮压机;入口调节阀;放空阀;执行机构;压力;流量中图分类号:TB657文献标志码:A文章编号:1007-7804(2023)01-0011-04doi:10.3969/j.issn.1007-7804.2023.01.004TechnicalTransformationPracticeofSafeandEconomicalOperationofNitrogenCompressorZHOUJincheng，LIUJianghuai，WANGShengli(AnhuiMasteelGasTechnologyCo．，Ltd．，Maanshan243000，China)Abstract:Aimingattheproblemsofhighcurrentofmainmotor，surgefault，highnitrogenemissionrateandblockageofinletregulatingvalveintheoperationof2#nitrogencompressorofMasteel＇s35000m3/hairseparationequipment，thesafeandeconomicaloperationofnitrogencompressorwasensuredbyimplementingtechnicaltransformationofinletregulatingvalveandanti-surgevalveofnitrogencompressorstepbystep．Thispaperdescribesthephenomenaandreasonsofhighcur-rent，surgefaultandhighnitrogenemissionrateofthemainmotorofthenitrogencompressorwhenthepressureofnitrogenpipenetworkofMasteelrisesduringtheoperationof2#nitrogencompressor，expoundstheconcretemethodsoftechnicaltransformationoftheinletregulatingvalveandanti-surgevalveofthenitrogencompressor，andintroducestheblockingrea-sonsandtechnicaltransformationmethodsoftheinletregulatingvalveofthenitrogencompressor．Keywords:airseparationequipment;nitrogencompressor;inletregulatingvalve;exhaustvalve;executivemechanism;pressure;traffic1前言马鞍山钢铁股份有限公司(以下简称:马钢)35000m3/h空分设备为法液空集团设计、制造，采用膨胀空气进上塔、氧气与氮气外压缩、全精馏制氩工艺流程。35000m3/h空分设备配套2台自国外全套引进的20000m3/h离心式氮...
