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A novel evaluation method for energy efficiency of process industry — A case study of typical iron and steel manufacturing process

机译：一种新型工艺业能源效率评价方法 - 以典型的钢铁制造工艺为例

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摘要

Energy efficiency is an extremely important indicator for exploring energy conservation and consumption reduction. The traditional energy efficiency assessment methods for process industry lack an indepth thinking on energy utilization of the whole system. Based on the proposed required energy, this paper established an energy efficiency assessment method for process industry. By establishing material and energy flow networks, energy efficiency of typical iron and steel manufacturing process (ISMP) is analyzed and its influencing factors are discussed. The results found that the required energy of coking, sintering, pelletizing, blast furnace iron-making, basic oxygen furnace steel-making and steel rolling are 2626.2 MJ/t-coke, 1122.9 MJ/t-sinter, 992.3 MJ/t-pellet, 9781.5 MJ/t-hot metal, 393.95 MJ/tmolten steel and 445.3 MJ/t-steel products, respectively. The energy efficiency of typical ISMP is 66.9%. The energy efficiency of the ISMP can be effectively improved by adjusting the steel ratio, recovering waste heat and residual energy, and developing interface technologies. (c) 2021 Elsevier Ltd. All rights reserved.
机译：能源效率是一种极其重要的指标，用于探索节能和消费减少。流程产业的传统能效评估方法缺乏对整个系统能源利用的印度思考。基于所需的所需能源，本文建立了工艺业能效评估方法。通过建立材料和能量流量网络，分析了典型的铁和钢制造工艺（ISMP）的能效，并讨论了其影响因素。结果发现，焦化，烧结，造粒，高炉炼铁，基本氧气炉钢和钢轧制所需的能量为2626.2MJ / T-焦炭，1122.9MJ / T-烧结，992.3MJ / T-颗粒，9781.5 MJ / T-热金属，393.95 MJ / Tmoltol Steel和445.3 MJ / T钢产品。典型ISMP的能量效率为66.9％。通过调节钢比，恢复废热和剩余能量以及开发界面技术，可以有效地改善ISMP的能量效率。 （c）2021 elestvier有限公司保留所有权利。

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  • 来源
    《Energy》 |2021年第15期|121081.1-121081.10|共10页
  • 作者

    Na Hongming; Sun Jingchao; Qiu Ziyang; He Jianfei; Yuan Yuxing; Yan Tianyi; Du Tao;

  • 作者单位

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

    Northeastern Univ SEP Key Lab Ecoind Shenyang 110819 Liaoning Peoples R China|Northeastern Univ Sch Met Shenyang 110819 Liaoning Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Process industry; Energy efficiency assessment; Iron and steel manufacturing process; Required energy; Recovered energy; Influencing factors;

    机译：工艺业;能效评估;钢铁制造工艺;所需的能量;恢复能量;影响因素;

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