This article narrated the high-pressured frequency changer in iron-smelting dust removal system transformation analysis as well as the economic efficiency analysis.
】本文讲述了高压变频器在炼铁除尘系统中的改造分析以及经济效益分析。
The efficiency of the desulphurization and the influence factor after optimization is tested, the desulphurizing efficiency can reach as high as to 90%, dust removal efficiency can reach 98%.
同时测定了优化后的系统的脱硫效率以及影响因素，它的脱硫效率高达90%，除尘效率可以达到98%。
But the dust removal effect cannot attain a designated standard what its weakness. It is cannot achieve the very high dust removal efficiency.
但除尘效果不能达标是其弱点，不能达到很高的除尘效率。
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