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[1] Wu Zhengyu, Hua Yongming, Duan Lunbo,. Feasibility analysis of using biomass gas or hydrogenin the tobacco curing system [J]. Journal of Southeast University (English Edition), 2022, 38 (2): 145-157. [doi:10.3969/j.issn.1003-7985.2022.02.006]
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Feasibility analysis of using biomass gas or hydrogenin the tobacco curing system()
生物质气或氢气在烟叶烘烤中可行性分析
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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:
38
Issue:
2022 2
Page:
145-157
Research Field:
Energy and Power Engineering
Publishing date:
2022-06-20

Info

Title:
Feasibility analysis of using biomass gas or hydrogenin the tobacco curing system
生物质气或氢气在烟叶烘烤中可行性分析
Author(s):
Wu Zhengyu Hua Yongming Duan Lunbo
School of Energy and Environment, Southeast University, Nanjing 210096, China
吴正余 华永明 段伦博
东南大学能源与环境学院, 南京 210096
Keywords:
tobacco curing natural gas hydrogen syngas emissions
烟叶烘烤 天然气 氢气 合成气 排放
PACS:
TK16
DOI:
10.3969/j.issn.1003-7985.2022.02.006
Abstract:
To address the energy shortage and meet the requirements of environmental protection policies, the feasibility of premixed fuel 1(natural gas(NG), syngas, and hydrogen)and premixed fuel 2(NG and hydrogen)in the tobacco curing system was studied. First, according to the law of conservation of energy and mass, a tobacco leaf curing system model was established. Then, the interchangeability index of the premixed fuels was analyzed, and their volume ratios were obtained. Finally, a numerical simulation analysis of the premixed fuel combustion was conducted based on the indicators of emission, temperature, and economy. On this basis, the comprehensive performance indexes of the system composed of different premixed fuels were evaluated. The results obtained indicate that with the increase in the hydrogen volume ratio in premixed fuel 1, NOX emissions will gradually increase. Moreover, with the increase in the hydrogen volume ratio in premixed fuel 2, CO emissions will gradually decrease. Because premixed fuel 2 contains more hydrogen than premixed fuel 1, CO emissions are reduced by 9.39% and 16.72% as compared with the NG system when the volume ratio of NG to hydrogen is 95∶5 and 90∶10, but the NO emissions of the latter are beyond the acceptable range. Finally, the overall performance is good when the volume ratio of NG to hydrogen is 95∶5, and the volume ratio of NG to syngas to hydrogen is 90∶5∶5.
为解决能源短缺和满足环保政策要求, 分别对预混燃料1(天然气、合成气和氢气)和预混燃料2(天然气和氢气)在烟叶烘烤系统中的可行性进行了研究.首先, 根据能量和质量守恒, 建立烟叶烘烤系统模型.然后, 对预混燃料的互换性指标进行了分析, 得到燃料初步预混的体积比例.最后, 从排放、温度和经济性等指标对预混燃料的燃烧进行了数值模拟分析.在此基础上, 对不同预混燃料构成的系统的综合性能指标进行了评价.结果表明:随着预混燃料中氢气体积比例的增加, NOX的排放会逐渐增加;随着预混燃料2中氢气体积比例的增加, CO的排放会逐渐降低.由于预混燃料2中含有较多的氢气, 当天然气与氢气体积比为95∶5和90∶10时, 其CO排放较NG系统分别下降了9.39%和16.72%, 但后者的NO排放超出了可接受范围.研究发现, 当天然气与氢气体积比为95∶5, 以及天然气、合成气与氢气体积比为90∶5∶5时综合性能更优.

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Memo

Memo:
Biographies: Wu Zhengyu(1996—), male, graduate; Hua Yongming(corresponding author), male, master, associate professor, huaym@seu.edu.cn.
Foundation item: National Key Research and Development Program of China(No. 2019YFE0100100-08).
Citation: Wu Zhengyu, Hua Yongming, Duan Lunbo. Feasibility analysis of using biomass gas or hydrogen in the tobacco curing system[J].Journal of Southeast University(English Edition), 2022, 38(2):145-157.DOI:10.3969/j.issn.1003-7985.2022.02.006.
Last Update: 2022-06-20