{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["在线除气","过滤系统","流槽系统"],"read":"whole","date_system":"1900"}

{"sheet":"在线除气","index":0,"n_rows":26,"n_cols":4,"rows_kept":26}
["在线除气装置技术要求"]
["序号","项目","要求","供应商实际参数"]
[1,"适用合金","1xxx~7xxx系"]
[2,"除气效率","进口氢含量大于0.32ml/100gAl，除气效率≥65%；进口氢含量小于等于0.32ml/100gAl，除气后氢含量≤0.12ml/100gAl。"]
[3,"铝液处理能力","≥35t/h（实际生产最大流量33吨/小时）"]
[4,"转子速度","0~700rpm无级调速"]
[5,"转子供气","0~8m3/h无级调整"]
[6,"残留铝液量","—"]
[7,"工作时箱体外表温度","≤55℃"]
[8,"静态铝液温度控制精度","±2℃"]
[9,"满箱铝液保温能力","≥24h"]
[10,"自动监测","空载空气温度、加热器温度、加热器电流、工作时铝液温度、转子转速、气源压力、气源流量等。"]
[11,"异常报警","发生铝液温度超差、气源压力/流量异常、加热异常、转子堵塞或折断、转子电机故障等情况自动报警。"]
[12,"箱体密封性","全密封设计，减少铝液氧化。"]
[13,"除气箱内衬","使用寿命≥2年"]
[14,"除气转子","使用寿命≥3个月"]
[15,"加热附件","使用寿命≥3个月"]
[16,"安全","符合GB 30078和DB44/T 2480中的相关要求。"]
[17,"其他","连锁控制设计应考虑避免转子堵塞。转子无抖动。"]
[18,"氩气单位耗量","—"]
[19,"加热功率","—"]
[20,"每千吨除气转子典型耗量","—"]
[21,"每千吨加热器典型耗量","—"]
[22,"每千吨加热器保护套管典型耗量","—"]
[23,"每千吨热电偶典型耗量","—"]
[24,"每千吨热电偶保护套管典型耗量","—"]

{"sheet":"过滤系统","index":1,"n_rows":18,"n_cols":4,"rows_kept":18}
["双级过滤装置技术要求"]
["序号","项目","要求","供应商实际参数"]
[1,"布置方式","双级水平串联布置"]
[2,"过滤板规格","584*584*50mm/二级最高80ppi"]
[3,"铝液通过能力","≥35t/h（实际生产最大流量33吨/小时）"]
[4,"加热方式","—"]
[5,"加热效率","—"]
[6,"典型过滤板预热时间","—"]
[7,"残留铝液量","≤800kg"]
[8,"工作时箱体外表温度","≤55℃"]
[9,"静态铝液温度控制精度","±2℃"]
[10,"满箱铝液保温能力","≥24h"]
[11,"自动监测","预热温度、铝液温度、燃气加热时漏气监测和燃气流量及总耗量。"]
[12,"异常报警","发生铝液温度超差、燃气压力/流量异常、加热异常故障等情况自动报警。"]
[13,"过滤箱箱内衬","使用寿命≥1年"]
[14,"过滤箱材质及密度","—"]
[15,"上盖提升方式","液压提升旋转/倾翻"]
[16,"安全","符合GB 30078和DB44/T 2480中的相关要求。"]

{"sheet":"流槽系统","index":2,"n_rows":11,"n_cols":4,"rows_kept":11}
["流槽系统技术要求"]
["序号","项目","要求","供应商实际参数"]
[1,"流槽内衬材质及密度","—"]
[2,"盖板","设置保温盖板，内衬用不锈钢材料全封闭"]
[3,"铝液通过能力","≥35t/h（实际生产最大流量33吨/小时）"]
[4,"流槽高度","最大通过量时液面距顶部100mm以上"]
[5,"工作时箱体外表温度","≤55℃"]
[6,"流槽内衬使用寿命","使用寿命≥1年"]
[7,"流槽闸板","与流槽贴合紧密，包括切断闸板和放流闸板。"]
[8,"其他","液位监测系统利旧。"]
[9,"安全","符合GB 30078和DB44/T 2480中的相关要求。"]