推拉式酸洗机组技术方案.doc

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1、TechnologyProposalof8ThousandMTPush-pullTypePicklingLine8万吨推拉式酸洗机组技术方案Content目录Appendix1Processflow,parameterandproduct附件1工艺流程、参数及产品Appendix2Technologyspecificationofequipment附件2设备技术规格书Appendix1附件一Processflow,parameterandproduct工艺流程、参数及产品Chapter1:Productmix产品大纲ØMaterial:Hotrolledcommonc

2、arbonsteel钢种：热轧普碳钢ØStripthickness:2～4mm带钢厚度ØStripwidth:610mm带钢宽度ØSpecificationoffinalproduct:2～4×610mm成品规格ØCoilinsidediameter:Φ510mm钢卷内径ØCoiloutsidediameter:Max.Φ1800mm钢卷外径ØMax.coilweight:≤10MT最大卷重ØProductioncapacity:80thousandMT/yearhotrolledpickledsteelcoil产量：8万吨/年酸洗热轧钢卷ØWorkingtimepe

3、ryear:6500H年工作时间Chapter2:Productioncapacity生产能力Processparameterofpicklingsection酸洗段工艺参数：Ø3-sectionacidtank:11.75×3=35.25m节酸槽ØPicklingmedium:HCL酸洗介质:盐酸ØPicklingconcentration:5～18%酸洗浓度ØPicklingtemperature:60～85℃酸洗温度ØLinespeed80m/min.(Max.),picklingtime:≥30s机组速度80米/分(Max)酸洗时间：≥30秒ØThreadin

4、gspeed:30m/min.穿带速度ØAveragespecification:2.5×530平均规格ØAveragecoilweight:8MT平均卷重ØProductioncapacitycalculation机组产量计算ØRunningdirection:fromrighttoleft机组右进左出Chapter3:Maintechnologyparameter主要技术参数Parametername参数名称Entry入口Exit出口Stripthickness带钢厚度(mm)2.0～4.02.0～4.0Stripwidth610610带钢宽度(mm)Gettin

5、gacrosswithoutedgecuttingisallowed.允许不切边通过Coilinnerdiameter钢卷内径(mm)Φ508Φ508Max.outerdiameterofcoil钢卷最大外径(mm)Φ1800Φ1800Max.coilweight最大卷重(t)1010Linespeed机组速度(m/min.)80Annualproductioncapacity(10thousandMT)年生产能力（万吨）6Totallengthofacidtank酸槽总长度(m)11.75×3=35.25Totallengthofrinsingtank冲洗槽总長度(

6、m)2×4＝8Piclingmedium酸洗介质IndustryHCL,concentration18%工业盐酸，浓度为18%Min.picklingtime最少酸洗时间(s)≥30Chapter4:Processflow,mediumandpublicfacilities工艺流程、介质和公用设施lProcessflow工艺流程：Coilloading→uncoiling→straightening→headcutting,anglecutting→pickling→rinsing→drying→edgecutting→oiling→coiling→coilunloa

7、ding→bundling→weighing→storing上料→开卷→矫直→切头、切角→酸洗→冲洗→→烘干→剪边→涂油→卷取→卸料→打捆→称重→入库lMediumconsuming/dischargingquantity介质消耗/排放量:Aftertheacidliquidisusedtoacertainextent,theacidliquidwillnothavetheactivity.Normally,whentheFeionconcentrationgetstoabout180g/L,itwillbecomeintothewasteliqui