Numerical Analysis of the Co-firing Combustion of Coal and Palm Shell Kernel In Stoker Boiler

Q2 Mathematics
M. S. K. Tony Suryo Utomo, Muchammad, Eflita Yohana, Habib Indra Karim
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Abstract

The United Nations Framework Convention on Climate Change (UNFCCC) states that Indonesia is committed to contributing to global climate change solutions. The government will also continue to encourage the development of a number of renewable energy (EBT)-based power generation projects. This is based on the use of renewable energy which is still low, namely around (1.9%) 8215.5 MW. Meanwhile, the potential for EBT to become energy can be around 443,208 MW. One source of EBT in Indonesia that can be utilized is Biomass. Co-firing of biomass is a relatively cheaper option and does not require investment in new power plants. However, Co-firing combustion has several aspects that need to be studied, such as temperature combustion and the generation of gas emissions. Therefore, this study aims to determine the temperature and the emissions resulting from co-firing of palm kernel shell biomass. This research was conducted using the Computational Fluid Dynamics method on stoker boiler model. The test parameters of the research was the maximum and average temperatures in the furnace, and the average and maximum fractions of CO2, SO2 in the stoker boiler furnace. From the research conducted, it was found that the resulting combustion temperature decreased as the co-firing fraction of the biomass increased. However, CO2 gas emissions increased and SO2 decreased with increasing fraction of co-firing biomass which showed a decrease in harmful gas emissions and complete combustion that occurred in the furnace.
炉膛锅炉中煤炭和棕榈壳仁共燃的数值分析
联合国气候变化框架公约》(UNFCCC)指出,印度尼西亚致力于为全球气候变化解决方案做出贡献。政府还将继续鼓励开发一些基于可再生能源(EBT)的发电项目。这是基于可再生能源的使用率仍然较低,约为(1.9%)8215.5 兆瓦。同时,EBT 成为能源的潜力约为 443208 兆瓦。在印尼,生物质能是一种可利用的 EBT 来源。生物质共燃是一种相对便宜的选择,而且不需要投资新建发电厂。然而,联合燃烧有几个方面需要研究,如燃烧温度和气体排放的产生。因此,本研究旨在确定棕榈核壳生物质共燃产生的温度和排放量。本研究采用计算流体动力学方法在火炉锅炉模型上进行。研究的测试参数为炉膛内的最高温度和平均温度,以及燃烧锅炉炉膛内二氧化碳和二氧化硫的平均值和最大值。研究发现,随着生物质共燃部分的增加,燃烧温度降低。然而,随着生物质共燃部分的增加,二氧化碳气体排放量增加,二氧化硫减少,这表明有害气体排放量减少,炉内燃烧完全。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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