收稿日期:2022-09-30第一作者:杨建帅(1985—),男,甘肃武威人,本科,工程师,从事自动化仪表工作。E-mail:yangjianshuai@jiugang.com热式气体质量流量计在不锈钢真空脱碳炉底吹系统中的应用与研究杨建帅(甘肃酒钢集团宏兴钢铁股份有限公司检修工程部,甘肃嘉峪关735100)摘要:为了研究不锈钢真空脱碳炉精炼过程中1#喷吹线底吹流量控制超调以及1#钢包出现一次喷渣和喷钢问题,从2条喷吹线流量计比对实验、热式质量流量计与定期检定流量计比对实验、热式质量流量计选型、测量和调节阀性能5个方面进行分析研究,得出了1#钢包底吹调节阀在10%~20%阀位之间存在卡滞,1#流量计在前后压差不为零的情况下进行零点调整的结论,从流量计安装前比对、流量计使用中比对和完善程序报警功能3个方面提出解决对策。关键词:真空脱碳炉;底吹系统;质量流量计;温差;超调中图分类号:TP273文章编号:1000-0682(2023)02-0076-04文献标识码:ADOI:10.19950/j.cnki.cn61-1121/th.2023.02.015ApplicationandresearchofhotgasmassflowmeterinbottomblowingsystemofstainlesssteelvacuumdecarbonizationfurnaceYANGJianshuai(MaintenanceEngineeringDepartment,HongxingIron&SteelCo.,Ltd.ofJISCO,GansuJiayuguan735100,China)Abstract:Inordertostudytheovershootofbottomblowingflowcontrolin1#injectionlineandtheprob-lemofonceslagandsteelinjectionin1#ladleinrefiningprocessofvacuumdecarbonizationfurnaceforstain-lesssteel,thispaperanalyzesandstudiestheflowmetercomparisonexperimentoftwoinjectionlines,thecomparisonexperimentofthethermalmassflowmeterandtheregularverificationflowmeter,theselectionofthethermalmassflowmeter,themeasurementofthethermalmassflow-meterandtheperformanceofthereg-ulatingvalve,itisconcludedthatthereisstagnationbetween10%~20%valvepositionsofbottomblowingcontrolvalveof1#ladle,zeropointadjustmentof1#flowmeterwhenthepressuredifferencebetweenfrontandbackisnotzero,fromtheflow-meterbeforetheinstallationofcomparison,comparisonandimprovetheuseofflowmeterprogramalarmfunctionofthethreeaspectsofsolutions.Keywords:vacuumdecarbonizationfurnace;bottomblowingsystem;massflowmeter;temperaturedifference;overshoot0引言不锈钢真空吹氧脱碳炉[1](Stainlesssteelvac...