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河北晟隆镀锌有限公司河北晟隆镀锌有限公司河北晟隆镀锌有限公司

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REDUXINGONGYIGUOCHENGJIYOUGUANSHUOMING

FABUSHIJIAN:2020-03-26 ZUOZHE:REDUXINHEJIN

热镀锌的工艺过程

GONGJIAN→TUOZHI→SHUIXI→SUANXI→SHUIXI→JINZHUDURONGJI→HONGGANYURE→REDUXIN→SHOUSHI→LENGQUE→DUNHUA→PIAOXI→KUZAO→JIANYAN

REDUXINYOUGUANGONGYIGUOCHENGCHANMING

(1)TUOZHI

KEXUANYONGHUAXUEQUYOUHUOSHUIJIJINSHUTUOZHIQINGXIJIQUYOU,DAODAGONGJIANWANQUANBEISHUIZIRUNWEIZHI。

(2)SUANXI

KEXUANYONGH2SO4 15%,LIUNIAO0.1%,40~60℃HUOYONGHCl 20%,WULUOTUOPIN3~5g/L,20~40℃JINXINGSUANXI。CANJIAHUANSHIJIKEBIMIANJITIGUOFUSHIJIXUEJIANTIEJITIXIQINGLIANG,TONGSHICANJIAYIWUJIANNASUANWUYICHU。TUOZHIJISUANXICHULIQIANHAODOUHUIXINGCHENGDUCENGFUZHELIQIANHAO,DUBUSHANGXINHUOXINCENGTUOLUO。

(3)JINZHUDUJI

YECHENGRONGJI,KEBAOCHIZAIJINDUQIANGONGJIANJUYOUBIDINGHUOXINGBIMIANERCIYANGHUA,YIZENGQIANGDUCENGYUJITIJIEHE。NH4Cl 100-150g/L,ZnCl2 150-180g/L,70~80℃,1~2min。BINGCANJIABIDINGLIANGDEFANGBAOJI.

(4)HONGGANYURE

WEILEBIMIANGONGJIANZAIJINDUSHIYINWEIWENDUJIJUSHENGGAOERBIANXING,BINGCHUDIAOSHENGYUSHUIFEN,BIMIANCHANSHENGBAOXIN,XINGCHENGXINYEBAOJIAN,YUREYIBANWEI80~140℃。

(5)热镀锌

YAOCAOKONGHAOXINYEWENDU、JINDUSHIKEJIGONGJIANCONGXINYEZHONGYINCHUDESUDU。YINCHUSUDUYIBANWEI1.5MI/min。WENDUGUODI,XINYELIUDONGXINGCHA,DUCENGHOUQIEBUJUNYUN,YICHANSHENGLIUGUA,WAIGUANZHILIANGCHA;WENDUGAO,XINYELIUDONGXINGHAO,XINYEYITUOLIGONGJIAN,XUEJIANLIUGUAJIZHOUPIXIANXIANGFAZUO,FUZHELIQIANG,DUCENGBO,WAIGUANHAO,SHENGCHANXIAOLVGAO;DANWENDUGUOGAO,GONGJIANJIXINGUOTIESUNYANJUN,CHANSHENGDALIANGXINZHA,YINGXIANGJINXINCENGZHILIANGERQIERONGYIXINGCHENGSECHASHIWAIBIAOYANSENANKAN,XINHAOGAO。

XINCENGHOUDUQUJUEYUXINYEWENDU,JINXINSHIKE,GANGCAICAIZHIHEXINYECHENGFEN。

YIBANCHANGJIAWEILEBIMIANGONGJIANGAOWENBIANXINGJIXUEJIANYINWEITIESUNXINGCHENGXINZHA,DOUXUANYONG450~470℃,0.5~1.5min。YOUXIEGONGCHANGDUIDAGONGJIANJIZHUTIEJIANXUANYONGJIAOGAOWENDU,DANYAOBIKAITIESUNGAOFENGDEWENDUGUIMO。DANWOMENJIANYIZAIXINYEZHONGTIANJIAYOUCHUTIEGONGNENGHEXIAJIANGGONGJINGWENDUDEHEJINERQIEBADUXINWENDUXIAJIANGZHI435-445℃。

(6)SHOUSHI

镀后对工件收拾主要是去除外表余锌及锌瘤,用选用热镀锌专用震动器来完成。

(7)DUNHUA

YITUSHIJINBUGONGJIANWAIBIAOKANGDAQIFUSHIGONGNENG,XUEJIANHUOYANZHANGBAIXIUCHUXIANSHIKE,BAOCHIDUCENGJUYOUJIECHUDEWAIGUAN。DOUYONGGESUANYANDUNHUA,RUNa2Cr2O7 80~100g/L,LIUSUAN3~4ml/L,DANZHEIZHONGDUNHUAYEYANJUNYINGXIANGHUANJING,HAOXUANYONGWUGEDUNHUA。

(8)LENGQUE

YIBANYONGSHUILENG,DANWENDUBUKEGUODIYEBUKEGUOGAO,YIBANBUDIYU30℃BUGAOYU70℃,

(9)JIANYAN

DUCENGWAIGUANLIANGGUANG、XIANGJIN、WULIUGUA、ZHOUPIXIANXIANG。HOUDUJIANYANKEXUANYONGTUCENGCEHOUYI,BANFABIJIAOJIANJIE。YEKETONGGUOXINFUZHELIANGJINXINGHUANSUANDEDAODUCENGHOUDU。JIEHEQIANGDUKEXUANYONGQUZHEYALIJI,JIANGYANGJIANZUO90~180°QUZHE,YINGWULIEWENJIDUCENGTUOLUO。YEKEYONGZHONGCHUIQIAOJIJIANYAN,ERQIEFENPIDEZUOYANWUSHIYANHELIUSUANTONGJINSHISHIYAN。

QINGYUANSHENGLONGDUXINYOUXIANGONGSISHIYIJIAZHUANYEDEHEJINZHIZUOSHENGCHANCHANGJIA,ZHUYAOXIAOSHOUDIQUSHIHEBEI、JIANGSU、SHANDONG、NEIMENG、ZHEJIANG、TIANJINDENG,ZHUYAODECHANPINYOUXINHEJIN、XIHEJIN、XINNIEHEJIN、BIHEJIN,QINGYUANXIANSHENGLONGDUXINYOUXIANGONGSIWEIYULISHIMINGCHENG”BEIFANGYOUSEJINSHUZHIXIANG”BAODING,YOUXUYAODEQINGLIANXIBENCHANGJIA。

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