【摘 要】
：
脱磷有利条件为“三高一低一良好”,“三高”分别指适度的高碱度R、高FeO、大渣量;“一低”指适当的低温,这两项为热力学因素;“一良好”指良好的炉渣熔化性及流动性、钢渣界
论文部分内容阅读
脱磷有利条件为“三高一低一良好”,“三高”分别指适度的高碱度R、高FeO、大渣量;“一低”指适当的低温,这两项为热力学因素;“一良好”指良好的炉渣熔化性及流动性、钢渣界面传质速度等,而“一良好”为动力学条件,但常常被忽略,确是最为重要因素。转炉脱磷是受到热力学及动力学因素的综合影响,在生产中采用吹炼前期渣早化、吹炼中期渣化好、吹炼后期渣化透的方法,达到良好、稳定、高效的脱磷效果,确保终点磷的命中率。
其他文献
检索意识对于创新人才培养不可或缺。采用问卷形式,对大学生的检索知识、情感、意志和行为进行摸底调查发现,大二学生的检索意识开始萌芽。通过更新检索知识、陶冶检索情感、
在高速线材生产过程中,由于粗轧区轧速低、料形大,一旦堆钢,处理时间长、难度大,工人劳动强度也大。因此在生产过程中,预防粗轧堆钢是生产的重要环节。文章对韶钢高速线材生
Hazardous waste such as waste liquid,experimental waste,expired reagents and others that are produced by biological laboratory and chemical laboratory in the pr
High Intensity heavy-ion Accelerator Facility(HIAF)is designed by the Institute of Modern Physics,Chinese Academy of Sciences,which can accelerate particles for
对S45C钢加工零件开裂进行了化学成分、硬度检测、金相组织、电镜能谱分析。结果表明,淬火时形成的马氏体增大了材料的内应力不均匀性,是开裂的主要原因,同时材料内P元素含量
High Intensity Heavy-ion Accelerator Facility(HIAF)is a very complex and huge system which is under construction by the Institute of Modern Physics in Huizhou.I
A novel thin-wall vacum chamber supported by ceramic rings was discussed and evaluated for the HIAF at the IMP to reduce the cost of manufacture process,reduce
BPMs deliver the center-of-mass information of the beam and act as a monitor for the longitudinal bunch shape[1].39 BPMs will be installed in the BRing of High
麝香保心丸是治疗冠心病心绞痛的代表性中成药之一,已有近40年的临床应用经验。日前,由中国科学院院士、复旦大学附属中山医院葛均波教授及复旦大学附属华山医院范维琥教授领
The High Intensity heavy ion Accelerator Facility(HIAF)is dedicated to plrovide high intensity heavy ion beams.For 238U34+,the maximal energy available is 800 M