基于NSGA-Ⅱ算法的高炉生产配料多目标优化模型建立

doi:10.11949/j.issn.0438-1157.20151928

化工学报 ›› 2016, Vol. 67 ›› Issue (3): 1040-1047.DOI: 10.11949/j.issn.0438-1157.20151928

基于NSGA-Ⅱ算法的高炉生产配料多目标优化模型建立

华长春¹, 王雅洁¹, 李军朋¹, 唐英干¹, 卢志刚¹, 关新平^1,2

1. 燕山大学电气工程学院, 河北秦皇岛 066004;
2. 上海交通大学自动化系, 上海 200240

收稿日期:2015-12-21 修回日期:2016-01-05 出版日期:2016-03-05 发布日期:2016-01-12
通讯作者: 华长春
基金资助:
国家自然科学基金项目(61322303,61290322)。

Multi-objective optimization model for blast furnace production and ingredients based on NSGA-Ⅱ algorithm

HUA Changchun¹, WANG Yajie¹, LI Junpeng¹, TANG Yinggan¹, LU Zhigang¹, Guan Xinping^1,2

1. School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, Hebei, China;
2. Department of Automation, Shanghai Jiao Tong University, Shanghai 200240, China

Received:2015-12-21 Revised:2016-01-05 Online:2016-03-05 Published:2016-01-12
Contact: 67
Supported by:
supported by the National Natural Science Foundation of China (61322303, 61290322).

摘要/Abstract

摘要：

高炉炼铁是一种典型的高能耗、高排放、高污染工业,合理的配料方案对高炉节能减排至关重要。基于高炉炼铁过程中的物质与能量守恒和高炉炉料结构理论,建立了以最小化生产成本和CO₂排放量为目标函数的高炉生产配料多目标优化模型,该模型采用非支配排序多目标遗传算法Ⅱ(NSGA-Ⅱ)进行求解,最终得到高炉生产配料多目标优化问题的Pareto最优解集。并将所得到的最优解与柳钢实际生产数据进行比较,结果表明建立的模型能使成本和CO₂排放量都有相应程度的降低,验证了该模型及NSGA-Ⅱ算法的正确性。炉长可以根据该多目标优化结果针对不同的需求选择相应的炉料配比,实现更精确的操作。

关键词: 高炉生产配料, NSGA-Ⅱ算法, 成本, CO₂排放量, 多目标优化, Pareto最优解

Abstract:

Primary steelmaking is one of the most energy intensive industrial processes in the world and many researches have been done to reduce production cost and CO₂ emissions of blast furnace. This paper formulates the above task as a multi-objective optimization problem, the main purpose is to optimize the production cost and CO₂ emissions in the process of blast furnace production and ingredients based on the nondominated sorting-based multi-objective genetic algorithm Ⅱ (NSGA-Ⅱ). It is important to find the Pareto-optimal frontier (PF) and Pareto-optimal solutions (PS) for the multi-objective optimization problem of blast furnace, because different state of operator can be selected in PS to largely reduce the emissions and still keep the steelmaking economically feasible. Furthermore, simulation results verify the effectiveness of the proposed method for the multi-objective optimization model in the process of blast furnace production and ingredients. After optimization, the cost was reduced by about 144 CNY, and CO₂ emissions were reduced by 67 kg.

Key words: blast furnace production and ingredients, NSGA-Ⅱ algorithm, cost, CO₂ emissions, multi-objective optimization, Pareto-optimal solutions

中图分类号:

华长春, 王雅洁, 李军朋, 唐英干, 卢志刚, 关新平. 基于NSGA-Ⅱ算法的高炉生产配料多目标优化模型建立[J]. 化工学报, 2016, 67(3): 1040-1047.

HUA Changchun, WANG Yajie, LI Junpeng, TANG Yinggan, LU Zhigang, Guan Xinping. Multi-objective optimization model for blast furnace production and ingredients based on NSGA-Ⅱ algorithm[J]. CIESC Journal, 2016, 67(3): 1040-1047.

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基于NSGA-Ⅱ算法的高炉生产配料多目标优化模型建立

Multi-objective optimization model for blast furnace production and ingredients based on NSGA-Ⅱ algorithm

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