介绍国内热镀锌炉使用的几种内加热器的性能、特点和存在问题及最新型内加热器的本质特征。

To introduce the properties, characteristics and problems of several domestic inner heaters for galvanizing by dipping the essential characteristics of the newest inner heater are introduced to.

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介绍了镀锌钢管用大型电阻炉的特点，热平衡计算，及锌锅壁厚、主要技术参数的选择。

Features, calculation of heat balance, main technological parameters of choice about huge resistance furnace for hot galvanized tube are described in this paper.

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本文着重介绍了热镀锌连续退火炉的炉型选择及其主要技术特色。

The paper emphatically introduces the different furnace types and their major technical features.

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