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关于福州热镀锌的工业方法

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关于福州热镀锌的工业方法

发布日期:2017-09-15 作者:福州热镀锌 点击:

福州热镀锌板的生产工序主要包括:原板准备→镀前处理→热浸镀→镀后处理→成品检验等。按照习惯往往根据镀前处理方法的不同把热镀锌工艺分为线外退火和线内退火两大类。 

XIANWAITUIHUO

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SHIFAGONGYI

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ZHINENGZAIWUQIANZHUANGTAIXIADUXIN,DUCENGDEHEJINCENGHENHOUQIEZHANFUXINGHENHUAI。

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DANZHANGGANGBAN

这种方法一般是采用热轧叠轧板作为原料,首先 把经过退火的钢板送入酸洗车间,用硫酸或盐酸清除钢板表面的氧热镀锌法化铁皮。酸洗之后的钢板立即进入水箱中浸泡等待镀锌,这样可以防止钢板再氧化。后经过酸洗、水清洗、挤干、烘干、进入锌锅(温度一直保持在445—465℃)热镀锌,再进行涂油和铬化处理。这种方法生产的热镀锌板比湿法镀锌成品质量有显著提高,只对小规模生产有一定价值。

福州热镀锌

HUILINREFA

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XIANNEITUIHUO

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SENJIMIERFA

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MEIGANGLIANFA

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SAILASIFA

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SHALUNFA

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GAILIANGSENJIMI

它是一种更优越的福州热镀锌工艺方法;它把森吉米尔法中各自独立的氧化炉和还原炉由一个截面积较小的过道连接起来,这样包括预热炉、还原炉和冷却段在内的整个退火炉构成一个有机整体。实践证明,该法具有许多优点:优质、高产、低耗、安全等优点已逐渐被人们所认识。其发展速度非常快,1965年以来新建的作业线几乎全部采用了这种方法,森吉米尔机组也大都按照此方法进行了改造。

相关标签:福州热镀锌
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