Combining with the engineering example, the transformation of frequency conversion technology of cooling water for blast furnace slag is introduced in detail.

本文通过工程改造实例，详细介绍炼铁高炉冲渣水系统变频技术改造的情况。

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The damage mechanism of outer refractory in water-Cooling beam of heating furnace is analysed. The new spraying coating is researched and the formulation of spraying coating is confirmed.

分析了加热炉水冷梁外层耐火材料损毁机理，研制了新型耐火喷涂料，确定了水冷梁用半干法喷涂料的配方。

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The article mainly presents the technical research on the water quality stabilization treatment of high-hardness water in blast furnace circulating cooling system.

本文主要介绍了用高硬度水做高炉循环冷却水的水质稳定处理技术研究。

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