Effects of fuel injection and energy efficiency on the production and environmental parameters of electric arc furnace -heat recovery systems

Tian, Bohan; Wei, Guangsheng; Hu, Hang; Zhu, Rong; Bai, Hao; Wang, Ziming; Yang, Lingzhi

doi:10.1016/j.jclepro.2023.136909

Cited by 7 publications

(2 citation statements)

References 44 publications

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“…The calculation methods of chemical reaction heat of carbon powder and coal gas are shown in equations ( 22) and (23). The energy substitution relationships between carbon powder, coal gas and electricity are shown in equations (24) and (25). The main components of carbon powder and gas are C and CO, respectively.…”

Section: Effects Of Carbon Powder and Coal Gas On Electricity Consump...mentioning

confidence: 99%

“…Zhang et al 24 compared the material and energy consumption and carbon emissions of coal-based DRI-EAF, gas-based DRI-EAF, 100% scrap-EAF and several other steelmaking scenarios based on the historical China Steel Yearbook data. Yang et al 7 and Tian et al 16,25 developed the life cycle assessment model based on the actual EAF smelting data of the charge structure of HM and scrap, and explored the environment impact and economic benefit of EAF steelmaking process with different HM ratio. Zhu et al 26 displayed the production technical indicators of eight EAF mills, and compared the consumption level and cost of the selected three EAF smelting modes (100% scrap, 70% scrap + 30% HM, 40% scrap + 60% HM).…”

Section: Introductionmentioning

confidence: 99%

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Mathematical modelling and techno-economic analysis of electric arc furnace steelmaking process with hot metal charging in China

Hu,

Yang,

Zou

et al. 2024

Ironmaking & Steelmaking: Processes, Products and Applicati

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Comprehensively considering the raw materials availability, production technology, and economy factor, it is unclear to choose the optimal electric arc furnace (EAF) steelmaking modes with charging scrap and hot metal (HM) in China. In this paper, the mathematical modelling and techno-economic analysis is adopted to quantitatively describe the consumption level of material and energy, as well as the economic performance in EAF steelmaking process. The calculation results reveal that considering the lowest smelting time, heat loss and total energy consumption, and better economic benefit and energy saving effect, the optimal EAF steelmaking process of 50% HM ratio with carbon powder and coal gas added is suggested, and the consumption of carbon powder and natural gas should be limited within 19.58 kg and 11.63 Nm3. This research is expected to provide some theoretical and operation guidance for low consumption and high efficiency lean production in EAF steelmaking process.

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Section: Effects Of Carbon Powder and Coal Gas On Electricity Consump...mentioning

confidence: 99%