Hot dip galvanizing is commonly used in plating cast iron pipe due to the particularity of material and shape, resulting in high zinc and energy consumption and high cost.
铸铁管件由于材质和形状的特殊性，一般采用热镀锌，但耗锌量大，能耗大，成本高。
The research on the two-step zinc regeneration technology from zinc slag during hot-dip galvanizing process indicates that it brings great benefit to a small-sized zinc melting plant.
对宝钢热镀锌锌渣两步法回收锌的工艺进行了研究，研究证明此法适合小型锌冶炼厂对锌的回收。
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