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福州热镀锌加工的工艺及原理

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福州热镀锌加工的工艺及原理

发布日期:2017-10-11 作者:福州热镀锌 点击:

福州热镀锌加工的工艺及原理

1 福州热镀锌也称热浸镀锌,是钢铁构件浸入熔融的锌液中获得金属覆盖层的一种方法.近年来随高压输电.交通.通讯事业迅速发展,对钢铁件防护要求越来越高,福州热镀锌需求量也不断增加.

2 福州热镀锌层防护性能

TONGCHANGDIANDUXINCENGHOUDU5~15μm,ERFUZHOUREDUXINCENGYIBANZAI35μmYISHANG,SHENZHIGAODA200μm。FUZHOUREDUXINFUGAINENGLIHAO,DUCENGZHIMI,WUYOUJIWUJIAZA。ZHONGSUOZHOUZHI,XINDEKANGDAQIFUSHIDEJILIYOUJIXIEBAOHUJIDIANHUAXUEBAOHU,ZAIDAQIFUSHITIAOJIANXIAXINCENGBIAOMIANYOUZnO、Zn(OH)2JIJIANSHITANSUANXINBAOHUMO,YIDINGCHENGDUSHANGJIANHUANXINDEFUSHI,ZHEICENGBAOHUMO(YECHENGBAIXIU)SHOUDAOPOHUAIYOUHUIXINGCHENGXINDEMOCENG。DANGXINCENGPOHUAIYANZHONG,WEIJIDAOTIEJITISHI,XINDUIJITICHANSHENGDIANHUAXUEBAOHU,XINDEBIAOZHUNDIANWEI-0.76V,TIEDEBIAOZHUNDIANWEI-0.44V,XINYUTIEXINGCHENGWEIDIANCHISHIXINZUOWEIYANGJIBEIRONGJIE,TIEZUOWEIYINJISHOUDAOBAOHU。XIANRANFUZHOUREDUXINDUIJITIJINSHUTIEDEKANGDAQIFUSHINENGLIYOUYUDIANDUXIN。

3 福州热镀锌层形成过程

FUZHOUREDUXINCENGXINGCHENGGUOCHENGSHITIEJITIYUZUIWAIMIANDECHUNXINCENGZHIJIANXINGCHENGTIE-XINHEJINDEGUOCHENG,GONGJIANBIAOMIANZAIREJINDUSHIXINGCHENGTIE-XINHEJINCENG,CAISHIDETIEYUCHUNXINCENGZHIJIANHENHAOJIEHE,QIGUOCHENGKEJIANDANDIXUSHUWEI:DANGTIEGONGJIANJINRURONGRONGDEXINYESHI,SHOUXIANZAIJIEMIANSHANGXINGCHENGXINYUαTIE(TIXIN)GURONGTI。ZHEISHIJITIJINSHUTIEZAIGUTIZHUANGTAIXIARONGYOUXINYUANZISUOXINGCHENGYIZHONGJINGTI,LIANGZHONGJINSHUYUANZIZHIJIANSHIRONGHE,YUANZIZHIJIANYINLIBIJIAOXIAO。YINCI,DANGXINZAIGURONGTIZHONGDADAOBAOHEHOU,XINTIELIANGZHONGYUANSUYUANZIXIANGHUKUOSAN,KUOSANDAO(HUOJIAOSHENRU)TIEJITIZHONGDEXINYUANZIZAIJITIJINGGEZHONGQIANYI,ZHUJIANYUTIEXINGCHENGHEJIN,ERKUOSANDAORONGRONGDEXINYEZHONGDETIEJIUYUXINXINGCHENGJINSHUJIANHUAHEWUFeZn13,CHENRUFUZHOUREDUXINGUODI,JIWEIXINZHA。DANGGONGJIANCONGJINXINYEZHONGYICHUSHIBIAOMIANXINGCHENGCHUNXINCENG,WEILIUFANGJINGTI。QIHANTIELIANGBUDAYU0.003%。

福州热镀锌

4 福州热镀锌工艺过程及有关说明

江苏快3GONGJIAN→TUOZHI→SHUIXI→SUANXI→SHUIXI→JINZHUDURONGJI→HONGGANYURE→FUZHOUREDUXIN→ZHENGLI→LENGQUE→DUNHUA→PIAOXI→GANZAO→JIANYAN

(1)TUOZHI

江苏快3KECAIYONGHUAXUEQUYOUHUOSHUIJIJINSHUTUOZHIQINGXIJIQUYOU,DADAOGONGJIANWANQUANBEISHUIJINRUNWEIZHI。

(2)SUANXI

KECAIYONGH2SO4 15%,LIUNIAO0.1%,40~60℃HUOYONGHCl 20%,WULUOTUOPIN3~5g/L,20~40℃JINXINGSUANXI。JIARUHUANSHIJIKEFANGZHIJITIGUOFUSHIJIJIANSHAOTIEJITIXIQINGLIANG,TONGSHIJIARUYIWUJIYIZHISUANWUYICHU。TUOZHIJISUANXICHULIBUHAODOUHUIZAOCHENGDUCENGFUZHELIBUHAO,DUBUSHANGXINHUOXINCENGTUOLUO。

(3)JINZHUDUJI

江苏快3YECHENGRONGJI,KEBAOCHIZAIJINDUQIANGONGJIANJUYOUYIDINGHUOXINGBIMIANERCIYANGHUA,YIZENGQIANGDUCENGYUJITIJIEHE。NH4Cl 100-150g/L,ZnCl2 150-180g/L,70~80℃,1~2min。BINGJIARUYIDINGLIANGDEFANGBAOJI.

(4)HONGGANYURE

WEILEFANGZHIGONGJIANZAIJINDUSHIYOUYUWENDUJIJUSHENGGAOERBIANXING,BINGCHUQUCANYUSHUIFEN,FANGZHICHANSHENGBAOXIN,ZAOCHENGXINYEBAOJIAN,YUREYIBANWEI80~140℃。

(5)FUZHOUREDUXIN

YAOKONGZHIHAOXINYEWENDU、JINDUSHIJIANJIGONGJIANCONGXINYEZHONGYINCHUDESUDU。YINCHUSUDUYIBANWEI1.5MI/min。WENDUGUODI,XINYELIUDONGXINGCHA,DUCENGHOUQIEBUJUNYUN,YICHANSHENGLIUGUA,WAIGUANZHILIANGCHA;WENDUGAO,XINYELIUDONGXINGHAO,XINYEYITUOLIGONGJIAN,JIANSHAOLIUGUAJIZHOUPIXIANXIANGFASHENG,FUZHELIQIANG,DUCENGBO,WAIGUANHAO,SHENGCHANXIAOLVGAO;DANWENDUGUOGAO,GONGJIANJIXINGUOTIESUNYANZHONG,CHANSHENGDALIANGXINZHA,YINGXIANGJINXINCENGZHILIANGBINGQIERONGYIZAOCHENGSECHASHIBIAOMIANYANSENANKAN,XINHAOGAO。

XINCENGHOUDUQUJUEYUXINYEWENDU,JINXINSHIJIAN,GANGCAICAIZHIHEXINYECHENGFEN。

YIBANCHANGJIAWEILEFANGZHIGONGJIANGAOWENBIANXINGJIJIANSHAOYOUYUTIESUNZAOCHENGXINZHA,DOUCAIYONG450~470℃,0.5~1.5min。YOUXIEGONGCHANGDUIDAGONGJIANJIZHUTIEJIANCAIYONGJIAOGAOWENDU,DANYAOBIKAITIESUNGAOFENGDEWENDUFANWEI。DANWOMENJIANYIZAIXINYEZHONGTIANJIAYOUCHUTIEGONGNENGHEJIANGDIGONGJINGWENDUDEHEJINBINGQIEBADUXINWENDUJIANGDIZHI435-445℃。

(6)ZHENGLI

DUHOUDUIGONGJIANZHENGLIZHUYAOSHIQUCHUBIAOMIANYUXINJIXINLIU,YONGCAIYONGFUZHOUREDUXINZHUANYONGZHENDONGQILAIWANCHENG。

(7)DUNHUA

江苏快3MUDESHITIGAOGONGJIANBIAOMIANKANGDAQIFUSHIXINGNENG,JIANSHAOHUOYANZHANGBAIXIUCHUXIANSHIJIAN,BAOCHIDUCENGJUYOULIANGHAODEWAIGUAN。DOUYONGGESUANYANDUNHUA,RUNa2Cr2O7 80~100g/L,LIUSUAN3~4ml/L,DANZHEIZHONGDUNHUAYEYANZHONGYINGXIANGHUANJING,ZUIHAOCAIYONGWUGEDUNHUA。

(8)LENGQUE

YIBANYONGSHUILENG,DANWENDUBUKEGUODIYEBUKEGUOGAO,YIBANBUDIYU30℃BUGAOYU70℃,

(9)JIANYAN

江苏快3DUCENGWAIGUANGUANGLIANG、XIZHI、WULIUGUA、ZHOUPIXIANXIANG。HOUDUJIANYANKECAIYONGTUCENGCEHOUYI,FANGFABIJIAOJIANBIAN。YEKETONGGUOXINFUZHELIANGJINXINGHUANSUANDEDAODUCENGHOUDU。JIEHEQIANGDUKECAIYONGWANQUYALIJI,JIANGYANGJIANZUO90~180°WANQU,YINGWULIEWENJIDUCENGTUOLUO。YEKEYONGZHONGCHUIQIAOJIJIANYAN,BINGQIEFENPIDEZUOYANWUSHIYANHELIUSUANTONGJINSHISHIYAN。

鑫顺金属制品是一家专业从事福州热镀锌,福州热镀锌加工厂的厂家,公司主营镀锌、热镀锌、热镀锌槽钢、热镀锌方管、热镀锌角钢、热镀锌加工、热浸锌、热镀锌护栏板等产品。


相关标签:福州热镀锌
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