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冷轧42crmo合金管生产工艺流程及特点

文章出处:http://bagsbig.com 发表时间:2017/6/9 9:31:09 点击:22

42crmoHEJINGUAN

  所谓冷轧42crmo合金管带生产,不是单纯的“冷轧”。在冷轧前还要退火、酸洗、修磨等,冷轧后还要平整、矫直、剪切、垛板等,所以实际上是从热轧卷开始直到生产出冷轧成品的全过程。

  YOUYU42crmoHEJINGUANDETEXINGHEDUICHANPINZHILIANGDETESHUYAOQIU,LENGYASHENGCHANGONGYIJUYOUXIALIETEDIAN:

  ①42crmoHEJINGUANSHIYIZHONGGAOHEJINGANG,YAZHIBIANXINGKANGLIJIAODA。WEILEJINXINGGAOXIAOLV、GAOJINGDUDEYAZHI,YINGCAIYONGGANGXINGDADEYAJI,YIBANCAIYONGDUOGUNLENGYAJI。

  ②DAIGANGZAIKENISHIYAJISHANGLENGYASHI,CHANRAOZAIJUANQUJISHANGDETOUWEIBUFENDEBUDAOYAXIA,BEIQIEDIAOCHENGWEIFEIPIN。WEIGAIBIANZHEIZHONGZHUANGKUANGYITIGAOCHENGCAILV,DAIGANGLIANGDUANZAIYAQIANDOUYAOHANJIEYINDAI;LINGWAI,RUGUOREYAJUANZHONGLIANGTAIXIAOSHI,WEITIGAOYAZHIXIAOLVHECHENGCAILV,GANGJUANHAIXUYUXIANBINGJUANHANJIE;ZAILIANXUTUIHUOHESUANXIJIZUSHANG,YOUYUSHILIANXUZUOYE,GANGDAITOUWEILIANJIEYEXUYAOHANJIE。SUOYI,HANJIESHI42crmoHEJINGUANSHENGCHANBUKEQUESHAODEHUANJIE。DANSHI,42crmoHEJINGUANDEHANJIEBUTONGYUPUTONGGANG,BIYIBANGANGNANHANDEDUO;TEBIESHIYOUXIEHANFENGHAIXUJINGSHOUYAXIA,DUIHANJIEZHILIANGDEYAOQIUYEYANGEDEDUO。YINCI,TESHUDEHANJIEGONGYIYESHI42crmoHEJINGUANLENGYADAIGANGSHENGCHANDEYIGETEDIAN。

  ③42crmoHEJINGUANSHENGCHANGUOCHENGZHONG,YUANLIAO(REYAJUAN)YAOTUIHUO,LENGYAGUOCHENGZHONGYAOZHONGJIANTUIHUO,ZUIZHONGCHENGPINHAIYAOTUIHUO,GUTUIHUOSHISHENGCHANZHONGDEZHONGYAOHUANJIE。ER42crmoHEJINGUANDEZHONGLEIHENDUO,GEZHONGGANGDESHUXINGBUTONG,RECHULIDEMUDE、FANGFAHEYAOQIUDOUBUTONGYUYIBAN,YOUYITAODUTEDEGONGYIZHIDU。

  ④LENGYA42crmoHEJINGUANSHIYIZHONGGAOJIGANGCAICHANPIN,DUIBIAOMIANZHILIANGDEYAOQIUSHIFENYANGE,BUJINBUYUNXUCANLIUQIANGONGXUDAILAIDEYEJINQUEXIAN,ERQIEBUYUNXUYOULENGYAJIAGONGGUOCHENGZAOCHENGDEMINGXIANQUEXIAN。WEICI,SHENGCHANGUOCHENGZHONGCAIQULEYIXILIEXIAOCHUHEFANGHUDECUOSHI。LIRU:WEIXIAOCHUREYADEYANGHUATIEPI,REYADAIGANGYAOPENWANCHULIHESUANXI;WEIXIAOCHUPILIAODAILAIDEQUEXIANHELENGYA、RECHULIHOUZAOCHENGDEQUEXIAN,DAIGANGWANGWANGYAOZAIXIUMOJIZUSHANGXIUMO;WEIBAOZHENGLENGYAHOUDEBIAOMIANZHILIANG,DUIYAGUNDEYANMOYOUFEICHANGYANGEDEYAOQIU;WEILEFANGZHISHENGCHANGUOCHENGZHONGCAHUASHANG,YAOQIUGEJIZUDEGANGJUANJUANJIN、JUANQI,ERQIELENGYAQIANHOUDEXUDUOJIZUJUANQUSHIDOUYAOZAIGANGJUANDECENGJIANDIANSHANGGONGYIZHI;LINGWAI,ZAIRONGYICHANSHENGCAHUASHANGDECAOZUOHESHEBEISHANGYECAIQULEYIXIETESHUFANGHUCUOSHI;WEILEDEDAOLIANGHAODE、JUNYUNDEBIAOMIANGUANGZE,CHENGPINTUIHUOHOUHAIYAOSUANXI,YOUTESHUYAOQIUDEGUANGLIANGBANHAIYAOJINXINGBAOHUQIFENTUIHUO;WEIBAOHUCHENGPINDEBIAOMIAN,YOUDECHANPINBIAOMIANHAIYAOFUMODENGDENG。ZONGZHI,LENGYA42crmoHEJINGUANDESHENGCHAN,SHIYIGEJINGGONGXIZUODEGONGYIGUOCHENG,ZHEISHIQITAGANGZHONGBUKEBINIDE。

  ⑤42crmoHEJINGUANDEJINGZHENGYEBUTONGYUPUTONGGANG,YOUYIXIETESHUYAOQIU,LIRU:PINGZHENGGONGXUJIYAOGAISHANBANXING,HAICAIYONGGUANGJIEDUHENGAO(MAMIANBANCHUWAI)DEYAGUN,SHENGCHANCHUGUANGHUADE2BGANGBAN,DUIYUTIESUTIGANGHAIYAOTONGGUOKONGZHIPINGZHENGDEYAXIALIANG(HUOYANSHENLV)LAIGAISHANGANGBANDECHENGXINGJIAGONGXINGNENG,ZHEISHIJISHANGSHIYIZHONGDIAOZHIYAZHI。42crmoHEJINGUANYOUYUGANGZHIJIAOYING,TONGSHIDUIPINGZHENGDUYAOQIUYANGE,BIXUYONGQIANGLIJIAOZHIJIJIAOZHI,ERQIEBUTONGHOUDUDECHANPINWANGWANGXUYONGBUTONGDEJIAOZHIFANGFA。42crmoHEJINGUANLENGYACHANPINTONGCHANGYICHENGJUANHEQIEBANLIANGZHONGFANGSHIJIAOHUO,YOUDEHAIXUYAOFENTIAOJIAOHUO。YINCI,XIANDAIHUADE42crmoHEJINGUANLENGYACHANGYAOFENBIESHEZHIZONGQIEHEHENGQIEJIZU。

  ⑥LENGYABUXIUDESHENGCHANSHIDUOJIZULIANHEZUOYE,GONGXUPINGHENGHEGONGXUGUANLISHIFENZHONGYAO,BIXUYOUYIGEQIANGYOULIDESHENGCHANDIAODUXITONG,CAINENGBAOZHENGCHIXUDIYOUZHISHENGCHAN。LINGWAI,LENGYA42crmoHEJINGUANCHANGDESHEBEISHIBIJIAOFUZADE,JIZUDUO,GAO、JING、JIANSHEBEIDUO,SHEJIDAOJI、DIAN、YIBIAOZIDONGHUA、REGONGDENGGEGEFANGMIANDEJISHU,GAOHAOSHEBEIGUANLISHITIGAOSHENGCHANSHUIPINGHECHANPINZHILIANGDEGENBENBAOZHENG。

  LENGYA42crmoHEJINGUANGONGYILIUCHENG

  42crmoHEJINGUANDESHENGCHANGONGYIYUYIBANLENGYADAIGANGSHENGCHANGONGYIDEQUBIEZAIYU42crmoHEJINGUANDAIZAILENGYAQIANBIXUXIANJINGTUIHUOHEZAISHENGCHANGUOCHENGZHONGBIXUSUISHIBAOCHIDAIGANGBIAOMIANDEJIEJING,YITIGAOCHENGPINLVHEKANGFUSHIXINGNENG。

  42crmo合金管的生产工艺流程大致如下:热轧带钢(坯料)一退火,碱、酸洗一检查修磨一冷轧一退火,碱、酸洗一平整一抛光一剪切一检查分类一包装一入库。

  TIESUTIGANGHEMASHITIGANGDETUIHUOSHIJIANJIAOZHANG,MUDESHIBIANYUZAIJIEJINGHERONGJIETANHUAWU。TONGCHANGZAIZHAOSHILUZHONGTUIHUO,TUIHUOWENDUYUE800℃,BAOWEN2~6h。TIESUTIGANGYAOZAIKONGQIZHONGXUNSULENGQUE,YIFANGCUIHUA。MASHITIGANGBUYUNXUKUAISULENGQUE,YIMIANYINQIGUODADENEIYINGLIJIYINGHUALIEWEN。AOSHITIGANGZAILIANXULUZHONGJIAREWENDUWEI1000~1100℃,ZAISHUIZHONGHUOKONGQIZHONGXUNSULENGQUE。

  TUIHUOHOUDEDAIGANGXIANJINGPAOWANCHULI,DASUIBIAOMIANYANGHUATIEPI,JINGSHUAXIHOUJINRUSUANXICAO,CHEDIQINGCHUYANGHUATIEPIHESHIBIAOMIANDUNHUA。YIBANYONGXIAOSUANHUOLIUSUANJINXINGSUANXI。XIAOSUANRONGYEWENDUWEI20~55℃,LIUSUANRONGYEWENDUWEI50~70℃。

  42crmoHEJINGUANPIDETUIHUOHESUANXIYIBANZAITUIHUOSUANXIJIZUZHONGJINXING。

  SUANXIHOUDEDAIGANGJINGJIANCHAHOU,ZAIDAISHIXIUMOJISHANGZHENGXIUBIAOMIANQUEXIAN,RANHOUSONGLENGYAJIYAZHI。 42crmoHEJINGUANSHUYUNANBIANXINGGANG,LENGYASHIRONGYICHANSHENGJIAGONGYINGHUA,TEBIESHIDUODAOCIDIYASUOLVYAZHISHIGENGWEIMINGXIAN。42crmoHEJINGUANYIBANZAISIGUNYAJIHEDUOGUNYAJISHANGYAZHI,RUCAIYONGPIANBAGUNYAJI(MKWYAJI)HEERSHIGUNYAJIDENG。DUIYUJIAOYIYAZHIDEAOSHITIGANG,MEIDAOCIYASUOLVBUCHAOGUO25%,MEIYACHENGDEZONGYASUOLVBUCHAOGUO75%。DUIYUTANHANLIANGJIAOGAODEMASHITIGANG,MEIDAOCIYASUOLVWEI15%,MEIYACHENGZONGYASUOLVBUDAYU50%。

  YIGEYACHENGWANCHENGHOU,XUJINGZHONGJIANTUIHUOSUANXI,XIAOCHULENGYAJIAGONGYINGHUA(ZAIJIEJINGTUIHUO)。DUIYUAOSHITIGANG,JIAREWENDUWEI1050~1080℃。DUIYUTIESUTIHEMASHITIGANG,JIAREWENDUWEI800℃ZUOYOU。JIAREHOUZAISHUI、KONGQIHUOZHENGQIZHONGCUILENG。ZAIRECHULIGUOCHENGZHONGCHANSHENGDETIEPIZAIYANYULUZHONGYANGHUAHESHUSONG,YILISUANXI。

  SUANXIHOUXUDUIDAIGANGBIAOMIANJINXINGJIANCHA,BINGZAIXIUMOJISHANGQINGCHUQUEXIAN。 CHENGPIN42crmoHEJINGUANJINXINGGUANGLIANGTUIHUO,JIZAIWUYANGHUAQIFENZHONGZUOZUIHOUYICIZAIJIEJINGTUIHUO。TONGCHANGCAIYONGFENJIEANZUOBAOHUQITI。

  JINGGUOGUANGLIANGTUIHUOHOU,YIBANBUZAIJINXINGYANMOHEPAOGUANG,YIBAOCHIYIHUODEDEDAIGANGBIAOMIANCUCAODU。PINGZHENGDEMUDEZAIYUGAISHANDAIGANGBIAOMIANZHILIANG,TONGSHIYEKEGAISHANDAIGANGDEBANXINGHEXIAOCHUQUFUPINGTAI。PINGZHENGSHIDEYASUOLVYIBANBUCHAOGUO2%。WEILEHUODEJIQIGUANGJIEDEDAIGANGBIAOMIAN,ZAIPINGZHENGGUOCHENGZHONGYAGUNYINGJINGCHANGPAOGUANG。

  为了提高42crmo合金管的抗腐蚀性能,对于某些特殊品种的42crmo合金管还要进行研磨和抛光。一般采用湿式研磨(用油和乳化液),研磨时要防止由于42crmo合金管导热性能差而产生的灼斑或裂纹。抛光工序由抛光和擦净两部分组成。一般用乳化液做抛光剂。 为防止带钢表面划伤,整个工艺过程中所有与带钢接触的辊子表面必须十分光洁,或采用包胶辊。卷取时,必须在每层间垫上纸带。成品收集更需要每层间垫纸,以保护表面不致相互擦伤。


文章来源:bagsbig.com        获取更多山东钢材厂家资讯