Based on an analysis of the original design of the imported steel tube hot-dip galvanization line, theoretic verification of the design's drawbacks was made.

分析了引进的钢管热镀锌机组中螺旋的原始设计，从理论上证明其设计存在的缺陷。

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The research in flux is mainly to change the original double hot dip coating technique, and change the first hot-dip galvanizing into electrolyzing flux.

对于助镀剂的研究主要是改变原有的双热浸镀工艺，改第一次热浸镀锌为电解助镀。

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