钢铁工业节能减排任务中耐火材料的工作.pdfVIP

钢铁工业节能减排任务中耐火材料的工作 李 楠 鄢 文 （武汉科技大学，武汉 430081 ） 摘 要 耐火材料主要应用于为钢铁工业。作为炉衬与在高温下作用的器部件的基础材料，耐火材料必须为钢铁工 业的节能减排做出贡献。耐火材料以电熔刚玉，电熔镁砂等高耗能材料为原料，追求高纯度、高密度与高温烧成， 因此，耐火材料生产是一个高耗能过程，降低耐火材料消耗即为节能减排做贡献。根据耐火材料的显微结构与渣蚀 的机理，过高的骨料密度并非总是必需的，降低骨料密度不仅能降低其生产能耗，还能降低炉衬的导热系数，减少 散失损失。开发高强度低导热，能在热面直接使用的耐火材料对减少工业炉的散热损失有重要意义。 关键词 耐火材料 节能减排 承包 低密度骨料 绝热耐火材料 The Tasks of Refractories on Reduction of Energy Consumption and CO2 Emission in Iron and Steel Industry Li Nan Yan Wen （Wuhan University of Science and Technology, Wuhan ,430081 ） Abstract Refractories, as the essential materials for furnaces and the parts used at high temperature, have a duty to save energy and reduce CO emission. Refractories often use fused MgO, fused Al O and other raw materials with very high 2 2 3 density and purity which are produced to consume a lot of energy, so that to reduce refractory consumption is to reduce energy consumption and CO2 emission. Refractory global contract is a very good way to reduce refractory consumption because it converts a model from ‘to sell refractories to make money’ to ‘to save refractories to make money’. On the other hand, it is not always necessary to use the aggregates with very high density in refractories. The aggregates with lower density may reduce the energy consumption during raw material production and the thermal conductivity of refractories. In order to raise insulating efficiency new insulating refractories with high strength, low thermal conductivity and used at high temperature should be developed. Key words refractories, energy consumption, CO2 emission, aggregate, insulating 随着人类对环境与气候问题的关心，钢铁等能耗大的工业面临巨大的压力。耐火材料作为工业炉衬的基 础材料，70% 以上消耗在钢铁工业中。它对钢铁工业的节能减排以及可持续发展有不可推