OPTIMIZATION SCHEDULING AND EVALUATION OF INTEGRATED ENERGY SYSTEM IN INDUSTRIAL PARK BASED ON IMPROVED COAL-TO-HYDROGEN PRODUCTION

Zhu Zhaobin; Ying Guangyao; Ma Xiujuan; Yuan Shiqi; Cai Dongge; Liu Caihua

doi:10.19912/j.0254-0096.tynxb.2024-0699

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (8) : 697-708. DOI: 10.19912/j.0254-0096.tynxb.2024-0699

OPTIMIZATION SCHEDULING AND EVALUATION OF INTEGRATED ENERGY SYSTEM IN INDUSTRIAL PARK BASED ON IMPROVED COAL-TO-HYDROGEN PRODUCTION

Zhu Zhaobin¹, Ying Guangyao¹, Ma Xiujuan¹, Yuan Shiqi², Cai Dongge³, Liu Caihua⁴

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Abstract

In order to reduce the cost of coal-to-hydrogen production, efficiently utilize the resources of the industrial park, and objectively assess the comprehensive level of the park, an optimized scheduling and evaluation model of the integrated energy system of the industrial park with improved coal-to-hydrogen production is proposed. Firstly, a thermodynamic model is constructed to consider the participation of high-temperature slag, an industrial by-product of the park, in the coal-to-hydrogen process, and the hydrogen and carbon dioxide yields are determined by variable pressure adsorption and calcium oxide reaction to slag. secondly, the coal-to-hydrogen process is coupled with the hydrogen and thermal systems, and carbon dioxide is consumed by the combination of carbon capture, sequestration, and utilization, and electricity-to-gas conversion devices. Then, the tiered carbon trading mechanism is introduced to analyze the relationship between carbon emission and total cost from three perspectives of carbon trading base price, interval length and price growth rate. Finally the solution is based on the objective of minimizing the total operating cost, and the entropy weight-TOPSIS-gray correlation model is used to make a comprehensive evaluation in terms of economy, environmental protection, and equipment wear and tear. The results show that the proposed model reduces carbon emissions and operating costs by 7.4% and 31.3%, respectively, which also proves that operating costs cannot be the sole criterion for evaluating the advantages and disadvantages of the system.

Key words

integrated energy system / tiered carbon trading mechanism / coal-to-hydrogen / high-temperature slag / comprehensive evaluation

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Zhu Zhaobin, Ying Guangyao, Ma Xiujuan, Yuan Shiqi, Cai Dongge, Liu Caihua. OPTIMIZATION SCHEDULING AND EVALUATION OF INTEGRATED ENERGY SYSTEM IN INDUSTRIAL PARK BASED ON IMPROVED COAL-TO-HYDROGEN PRODUCTION[J]. Acta Energiae Solaris Sinica. 2025, 46(8): 697-708 https://doi.org/10.19912/j.0254-0096.tynxb.2024-0699

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