热镀锌生产工艺和加工流程.pptx
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热镀锌生产工艺和加工流程.pptx
热镀锌生产工艺及加工流程
热镀锌生产工艺.docx
热镀锌工艺分析研究摘要:连续热镀锌薄钢板简称镀锌板或白铁皮,是厚度0.25~2.5mm的冷轧连续热镀锌薄钢板和钢带,钢带先通过火焰加热的预热炉,烧掉表面残油,同时在表面生成氧化铁膜,再进入含有H2、N2混合气体的还原退火炉加热到710~920℃,使氧化铁膜还原成海绵铁,表面活化和净化了的带钢冷却到稍高于熔锌的温度后,进入450~460℃的锌锅,利用气刀控制锌层表面厚度。最后经铬酸盐溶液钝化处理,以提高耐白锈性。关键词:热镀锌还原退火炉钝化一、前言热镀锌(galvanizing)也叫热浸锌和热浸镀锌:是一种
热镀锌生产工艺配方管理.docx
神光新能源股份有限公司PAGE\*MERGEFORMAT13热镀锌生产溶剂管理规程(试用本)编制:审核:编制日期:实施日期:目录前言··························································3热镀锌生产溶剂管理规程········································4酸洗工序溶剂管理规程··········································4助镀工序溶剂管理规程············
热镀锌生产工艺配方管理.docx
神光新能源股份有限公司PAGE\*MERGEFORMAT13热镀锌生产溶剂管理规程(试用本)编制:审核:编制日期:实施日期:目录前言··························································3热镀锌生产溶剂管理规程········································4酸洗工序溶剂管理规程··········································4助镀工序溶剂管理规程············
热镀锌生产工艺配方管理.docx
神光新能源股份有限公司PAGE\*MERGEFORMAT13热镀锌生产溶剂管理规程(试用本)编制:审核:编制日期:实施日期:目录前言··························································3热镀锌生产溶剂管理规程········································4酸洗工序溶剂管理规程··········································4助镀工序溶剂管理规程············