基金项目:西昌学院博士启动基金资助项目(YBZ202208);西昌学院两高人才基金资助项目(LGLZ202103)作者简介:赵斌(1986－)，男，博士;讲师;E-mail:zhaobin03_18@163．com;收稿日期:2022-12-07DOI:10．20057/j．1003-8620．2022-00211复吹转炉双联工艺冶炼X80管线钢脱磷试验研究赵斌1，张娜1，彭国宏1，汪成义2，吴伟2，吴巍2(1西昌学院，机械与电气工程学院，西昌615000;2钢铁研究总院有限公司冶金工艺研究所，北京100081)摘要:结合某厂生产X80管线钢实际状况，对复吹转炉双联工艺的炼钢脱磷过程进行试验，研究转炉炉渣碱度和氧化性对脱磷的影响。结果表明:在铁水磷含量为0．118%和0．116%，脱磷炉和脱碳炉终点渣碱度CaO/SiO2分别为1．6～2．0、3．3～4．1，T．Fe含量分别为10%～15%、20%～35%的条件下，脱磷炉脱磷率最高达50．85%，平均为38．35%，终点脱磷率最高为95．69%，平均为94．88%，冶炼终点钢水磷含量控制在0．007%以下，最低0．005%，满足X80管线钢生产要求。关键词:X80管线钢;复吹转炉;双联工艺;脱磷ExperimentalStudyonDephosphorizationofX80PipelineSteelbyDuplexSteelmakingTechnologyforCombinedBlowingConverterZhaoBin1，ZhangNa1，PengGuohong1，WangChengyi2，WuWei2，WuWei2(1Schoolofmechanicalandelectricalengineering，XichangUniversity，Xichang615000;2MetallurgicalTechnologyＲesearchInstitute，CentralIron＆SteelＲesearchInstituteCo．，Ltd．，Beijing100081)Abstract:CombinedwiththeactualsituationofX80pipelinesteelproductioninafactory，thedephosphorizationprocessofcombinedblowingconverterduplexprocesswastested，andtheinfluenceofbasicityandoxidizabilityofconverterslagondephosphorizationwasstudied．Theresultsshowthatwhenthephosphoruscontentofhotmetalis0．118%and0．116%，thealkalinityoftheendslagCaOSiO2ofdephosphorizationfurnaceanddecarburizationfurnaceis1．6-2．0and3．3-4．1re-spectively，andthecontentofT．Feis10%-15%and20%-35%respectively，thedephosphorizationrateofthedephospho-rizationfurnaceisashighas50．85%，theaverageis38．35%，theenddephosphorizationrateisthehighest95．69%，theaverageis94．88%，andthephosphoruscontentofthemoltensteelattheendofsmeltingiscontrolledbelow0．007%，theminimumis0．005%，meetingtheproductionrequirementsofX80p...
