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CO2 Emission Calculation Model of Integrated Steel Works Based on Process Analysis

机译：基于过程分析的综合钢铁厂二氧化碳排放计算模型

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Iron and steelmaking consumes large amounts of fuel and CO_2 emissions are also huge. In this paper, a new calculation model was proposed to calculate CO_2 emissions based on process analysis, and the technical emission and combustion emissions were distinguished to reflect the CO_2 emission characteristics in iron and steel production. As for electric arc furnace (EAF) steelmaking, the results of the CO_2 emissions calculation show that the CO_2 emission intensity of the enterprise's EAF process was 53.84 kg/t-cs, including electric emissions and non-electric emissions. The electric emissions were calculated as 41.09 kg/t, accounting for 76% of the total emissions. Considering the complexity of power consumption in iron and steel enterprises, a calculation method based on electric power structure was applied to determine the power emission factor. Finally, the carbon flow of the entire process was analyzed, and the possible ways for carbon reduction in steel complexes was discussed.
机译：钢铁生产消耗大量燃料，二氧化碳排放量也很大。本文在工艺分析的基础上，提出了一种新的计算模型来计算co2排放量，并将技术排放量和燃烧排放量进行了区分，以反映钢铁生产中的co2排放特征。对于电弧炉（EAF）炼钢，CO_2排放计算结果表明，该企业EAF工艺的CO_2排放强度为53.84 kg/t-cs，包括电排放和非电排放。电排放量按41.09 kg/t计算，占总排放量的76%。考虑到钢铁企业用电的复杂性，采用基于电力结构的计算方法确定电力排放系数。最后，对整个过程的碳流进行了分析，并探讨了钢铁联合体碳减排的可能途径。

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