A lot of smoke dust and poisonous gas were produced by an arc furnace of 3 tons during the process of steel-making in our company's steel-making workshop, which is detrimental of the factory's surroundings and employees' health. In order to solve this problem, we combined company's practicalities, synthesized the advanced technology of disposing of dust using arc furnace to make steel and adopted the technology of disposing of dust using the combination of dry and wet and purifying technology of depositing wastewater. The difficult problem of disposing of dust was solved absolutely .It obtained environmental and social benefits.
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