在钢铁形势日趋严峻的当下，节能减排是烧结厂得以生存的必由之路。基于物料平衡和热平衡原理建立的烧结工序流评价模型，可以从宏观和微观两方面反映出烧结工序的流走向，从而挖掘其节能潜力所在。对某一典型烧结厂的流分析研究结果表明，该烧结过程固体燃料和混合料的分别占收入的73．59％和17．28％，热烧结矿的物理、烧结机损和烟气的热量分别占支出的47．42％、30．34％和21．63％，该烧结工艺的普遍效率和目的效率分别为69．66％和48．02％，具有较大的节能潜力。可以采用优化配矿、厚料层烧结、烟气循环烧结、余热发电等技术措施来提高效率，最终实现烧结工序节能减排的目的。
Because of increasing stern steel market environment,the energy saving and pollutant reduction become the only way for sintering plant to survive.Based on the theory of heat and materials balance,the exergy flow evalu-ation model of sintering process was established,which was reflecting the exergy flow variation law of sintering process from the macro and micro aspects,and finding its energy saving potential.The exergy flow analysis results of a typical sintering plant show that the solid fuel exergy and mix exergy values are 73.59% and 17.28% respec-tively,the physical exergy of hot sinter ore,sinter machine exergy loss,and flue gas exergy values are 47.42%, 30.34% and 21.63%,respectively.The efficiency of purpose exergy and general exergy of sintering process are 69.66% and 48.02%,respectively,indicating a great energy saving potential.Using the technologies of optimizing ore matching,deep bed sintering,flue gas circulation sintering,and power generation by waste heat,etc.,the exer-gy efficiency may be largely improved.Thus realizing the aim of energy saving and pollutant reduction of sintering process.
参考文献
| [1] | 赵家彦.钢铁企业降低烧结工序能耗的分析[J].科技信息,2008(34):171,157. |
| [2] | 陈冠军.炼铁系统能耗分析及节能[J].冶金能源,2010(04):11-14. |
| [3] | 周继程,郦秀萍,上官方钦,张春霞.我国烧结工序能耗现状及节能技术和措施[J].冶金能源,2010(02):23-26. |
| [4] | Yang W,Ryu C,Choi S M,et al .Mathematical model of thermal processes in an iron ore sintering bed[J].Metals and Materials International,2004,10(5):493.,2004. |
| [5] | 耿超,王泽群,王化军,胡文韬.烧结工序能耗建模及可视化界面实现[J].冶金能源,2013(06):21-24,29. |
| [6] | 胡长庆,张玉柱,张春霞.烧结过程物质流和能量流分析[J].烧结球团,2007(01):16-21. |
| [7] | 周继程,赵军,张春霞,郦秀萍,尤新东,张维彬.炼铁系统物质流与能量流分析[J].中国冶金,2012(03):42-47. |
| [8] | 王芳.烧结耗和烧结焦比计算建模方法研究 [D].长沙:中南大学,2013.,2013. |
| [9] | ZHANG Jun-hong,XIE An-guo,SHEN Feng-man.Multi-Objective Optimization and Analysis Model of Sintering Process Based on BP Neural Network[J].钢铁研究学报（英文版）,2007(02):1-5. |
| [10] | 吴复忠,李军旗,金会心,蔡九菊.烧结工序的物质流和能量流（火用）分析[J].贵州科学,2011(02):76-79. |
| [11] | 赵斌,张志远,冯俊小,张玉柱,梁海鹰.烧结工序能量平衡及节能诊断分析[J].钢铁,2011(03):83-86. |
| [12] | 冯朝辉,张华,王艳红.烧结工序能耗预测与优化研究[J].烧结球团,2012(06):13-17. |
| [13] | 刘文超,蔡九菊,董辉,张琦,齐国超.烧结过程余热资源高效回收与利用的热力学分析[J].中国冶金,2013(02):15-20. |
| [14] | 陆钟武,蔡九菊.系统节能基础 [M].北京:科学出版社, 1993:10.,1993. |
| [15] | 胡兵,贺新华,王兆才,叶恒棣,陈乙元,孙英.烟气循环烧结过程风氧平衡[J].钢铁,2014(09):15-20. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%