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 exergy-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 established. 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 converterladle refine process is the lowest,which is 2243. 12 RMB. The thermoeconomic cost of per ton molten steel in the converter-CAS refining 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