“铁黑”是一项重要的化工产品。“铁黑”的用途很广泛,可作建筑涂料,塑料和橡胶填料、防锈底漆等。国内外市场销路很好,销售价格约2000元/t左右。“铁黑”的生产方法有湿法和干法两种,无论是干法生产还是湿法生产均耗能大、成本高,用H_2气还原危险性大,且色光不易控制。所以在我国生产“铁黑”的厂家很少。而且原料来源为金属加工的下脚料、耗量 Iron black is an important chemical product. “Iron Black” is widely used for architectural coatings, plastic and rubber packing, rust primer. Market sales at home and abroad is very good, the sales price of about 2,000 yuan / t or so. There are two kinds of production methods, “iron black”, which are wet and dry methods. Both the dry process and the wet process consume large energy, and the cost is high. The risk of reducing with H 2 gas is large, and the color light is not easy to control. Therefore, in our country to produce “iron black” few manufacturers. And raw materials for the metal processing waste, consumption