生物质气化与炼钢加热炉一体化的可行性研究

Yukun Hu, J. Chowdhury, G. Katsaros, C. K. Tan, N. Balta-Ozkan, L. Varga, S. Tassou, Chunsheng Wang
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引用次数: 1

摘要

研究了生物合成气生产与加热炉、余热蒸汽循环一体化,使生物合成气在加热炉中直接用作燃料。建立了系统模型,从热平衡和质量平衡的角度对系统的可行性进行了评价。为了研究燃料切换对炉体加热质量的影响,通过Aspen PlusTM用户自定义模型将考虑详细传热过程的三维炉体模型嵌入到系统中。仿真结果表明,生物合成气适合直接用作加热炉燃料。如果在提议的系统中考虑二氧化碳捕获,它有可能在没有外部能量输入的情况下实现捕获,从而导致所谓的二氧化碳负排放。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Feasibility Study of Biomass Gasification Integrated with Reheating Furnaces in Steelmaking Process
This paper investigates the integration of biosyngas production, reheating furnace and heat recovery steam cycle, in order to use biosyngas directly as fuel in the furnace. A system model was developed to evaluate the feasibility of the proposed system from the perspective of heat and mass balance. To particularly study the impacts of fuel switching on the heating quality of the furnace, a three-dimensional furnace model considering detailed heat transfer processes was embedded into the system through an Aspen PlusTM user defined model. The simulation results show that biosyngas is suitable for direct use as fuel for reheating furnaces. Should CO2 capture be considered in the proposed system, it has a potential to achieve the capture without external energy input which results in so-called negative emissions of CO2.
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