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工程科学学报,第38卷,增刊1:37-44,2016年6月 Chinese Journal of Engineering,Vol.38,Suppl.1:37-44,June 2016 DOI:10.13374/j.issn2095-9389.2016.s1.007:http://journals.ustb.edu.cn 基于符号㶲经济模型的转炉-精炼工序热经济分析 贺东风)四,贾永伟2) 1)北京科技大学钢铁治金新技术国家重点实验室,北京1000832)北京科技大学治金与生态工程学院,北京100083 ☒通信作者,E-mail:hdfen@163.com 摘要以S钢厂生产SPHC钢种的转炉一精炼工序为实例,采用热经济学分析方法中的经济分析法对其建立符号经济 模型,构造成本平衡方程,并建立补充方程,进而对转炉一精炼工序进行热经济成本分析,得到了工序各股流的单价以及 热经济学成本.模型计算结果表明:转炉-F流程的精炼钢水热经济成本最低,为2243.12元t,其次是转炉-C4S流程,为 2259.92元t,而转炉RH流程的吨钢精炼钢水热经济学成本最高,为2270.16元t.从节约能源和成本的角度,转炉HF 流程是SPHC钢种的合理生产流程. 关键词转炉一精炼:热经济学:符号经济模型:成本 分类号TF4 Thermoeconomic analysis on the converter-refining procedure based on the symbol ex- ergy-economic model HE Dong feng,JIA Yong-wei 1)State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 2)School of Metallurgy and Ecology Engineering,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:hdfen@163.com ABSTRACT Taking the converter-refining procedure of a steel plant as an example,symbol exergy-economic model was established by the exergy-economic analysis method.Then the cost balance equation was constructed,and supplementary equations were estab- lished.The unit exergy price and thermal-economic cost of each exergy flow in the procedure were obtained on the converter-refining procedure through thermal-economic analysis.The results show that the thermoeconomic cost of per ton molten steel in the converter- ladle refine process is the lowest,which is 2243.12 RMB.The thermoeconomic cost of per ton molten steel in the converter-CAS refi- ning process comes second,which is 2259.92 RMB.And the converter-RH refining process has the highest thermal-economic cost of per ton molten steel,which is 2270.16 RMB.From the standpoint of energy conservation and cost reduction,the converter-refining process is the reasonable process for SPHC steel production. KEY WORDS converter-refining process;thermoeconomic:symbol exergy-ecnomic model:cost 随着经济的快速发展,能源作为国民经济的物质 国能耗消费的14%左右,占工业能耗的20%左右, 基础,对其需求越来越大:但是我国的能源利用率较 其节能潜力巨大,因此,如何合理利用能源和节约能源 低,已经成为制约经济进一步发展的关键问题.如何 是钢铁企业面临的主要问题. 合理地利用能源和节约能源就显得尤为重要.钢铁企 为了更加合理的利用能源和节约能源,出现了以 业作为一个资源和能源的密集型产业,行业能耗占全 下四种的能源分析方法:热分析法、分析法、能 收稿日期:20160108 基金项目:国家自然科学基金资助项目(51574032)工程科学学报,第 38 卷,增刊 1: 37--44,2016 年 6 月 Chinese Journal of Engineering,Vol. 38,Suppl. 1: 37--44,June 2016 DOI: 10. 13374 /j. issn2095--9389. 2016. s1. 007; http: / /journals. ustb. edu. cn 基于符号 经济模型的转炉--精炼工序热经济分析 贺东风1,2) ,贾永伟1,2) 1) 北京科技大学钢铁冶金新技术国家重点实验室,北京 100083 2) 北京科技大学冶金与生态工程学院,北京 100083  通信作者,E-mail: hdfcn@ 163. com 摘 要 以 S 钢厂生产 SPHC 钢种的转炉--精炼工序为实例,采用热经济学分析方法中的 经济分析法对其建立符号 经济 模型,构造成本平衡方程,并建立补充方程,进而对转炉--精炼工序进行热经济成本分析,得到了工序各股 流的 单价以及 热经济学成本. 模型计算结果表明: 转炉--LF 流程的精炼钢水热经济成本最低,为 2243. 12 元·t - 1,其次是转炉--CAS 流程,为 2259. 92 元·t - 1,而转炉--RH 流程的吨钢精炼钢水热经济学成本最高,为2270. 16 元·t - 1 . 从节约能源和成本的角度,转炉--LF 流程是 SPHC 钢种的合理生产流程. 关键词 转炉--精炼; 热经济学; 符号 经济模型; 成本 分类号 TF4 Thermoeconomic analysis on the converter-refining procedure based on the symbol ex￾ergy-economic model HE Dong-feng1,2)  ,JIA Yong-wei1,2) 1) State Key Laboratory of Advanced Metallurgy,University of Science and Technology Beijing,Beijing 100083,China 2) School of Metallurgy and Ecology Engineering,University of Science and Technology Beijing,Beijing 100083,China  Corresponding author,E-mail: hdfcn@ 163. com ABSTRACT Taking the converter-refining procedure of a steel plant as an example,symbol exergy-economic model was established by the exergy-economic analysis method. Then the cost balance equation was constructed,and supplementary equations were estab￾lished. The unit exergy price and thermal-economic cost of each exergy flow in the procedure were obtained on the converter-refining procedure through thermal-economic analysis. The results show that the thermoeconomic cost of per ton molten steel in the converter￾ladle refine process is the lowest,which is 2243. 12 RMB. The thermoeconomic cost of per ton molten steel in the converter-CAS refi￾ning process comes second,which is 2259. 92 RMB. And the converter-RH refining process has the highest thermal-economic cost of per ton molten steel,which is 2270. 16 RMB. From the standpoint of energy conservation and cost reduction,the converter-refining process is the reasonable process for SPHC steel production. KEY WORDS converter-refining process; thermoeconomic; symbol exergy-ecnomic model; cost 收稿日期: 2016--01--08 基金项目: 国家自然科学基金资助项目( 51574032) 随着经济的快速发展,能源作为国民经济的物质 基础,对其需求越来越大; 但是我国的能源利用率较 低,已经成为制约经济进一步发展的关键问题. 如何 合理地利用能源和节约能源就显得尤为重要. 钢铁企 业作为一个资源和能源的密集型产业,行业能耗占全 国能耗消费的 14% 左右,占工业能耗的 20% 左右[1--2], 其节能潜力巨大,因此,如何合理利用能源和节约能源 是钢铁企业面临的主要问题. 为了更加合理的利用能源和节约能源,出现了以 下四种的能源分析方法[3--8]: 热分析法、 分析法、能
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