预氧化和深冷再加热在镀锌退火炉上的应用  

Application of Pre-oxidation&Cryogenic-reheating in Galvanized Annealing Furnace

作　　者：杨柏松 白世宏[2] YANG Baisong;BAI Shihong(Chongqing CISDI Thermal&Environmental Engineering Co.Ltd.,Chongqing 401122,China;Cold Strip Work An Gang Steel Company Ltd.,Anshan 114021,China)

机构地区：[1]赛迪热环保工程技术有限公司,重庆401122 [2]鞍山钢铁股份有限公司冷轧厂,辽宁鞍山114021

出　　处：《工业加热》2020年第2期27-30,共4页Industrial Heating

摘　　要：论述了无氧化炉和全辐射管退火炉带钢氧化机理的不同;论述了预氧化完成后的选择性还原的重要性;论述了深冷再加热对生产高强钢的重要性,同时提出了足够长度的均衡段对再加热后续炉型设计的必要性;论述了不同种类的保护气氛在不同炉段的重要性。The different oxidation mechanism of strip steel in nonoxidizing furnace and full radiation tube annealing furnace was discussed.The importance of selective reduction after preoxidation was discussed.The importance of cryogenic reheating for cryogenic reheating for the production of high strength steel was discussed.The importance of different protective atmospheres in different furnace sections is disaussed.

关 键 词：预氧化 带钢 选择性还原 相变 

分 类 号：TG162.86[金属学及工艺—热处理]