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Problems of calculation the energy efficiency of a dual-fuel steam boiler fired with industrial waste gases

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  • Szega, Marcin
  • Czyż, Tomasz

Abstract

The article presents the problems of calculation the energy efficiency of a dual-fuel steam boiler OPG-430 type operated in an industrial CHP plant fired with blast-furnace and coke-oven gases. The available special measurements were used to calculate the energy efficiency of the boiler. These measurements have been made for varying thermal loads of the boiler and different proportions of individual gases in the fuel feeding the boiler. The energy efficiency of the boiler was calculated using the direct method and the indirect method in accordance with the algorithm included in the EN 12952-15 standard. Due to the occurring measurement redundancy, advanced data validation and reconciliation of measurements in steam boiler energy balancing in accordance with the methodology included in VDI 2048 guidelines was used. Discussion of the results of the energy efficiency of the boiler calculations obtained in different variants of the use of measurement data was carried out. In addition, the energy characteristic of the boiler was developed using the stepwise regression method. Obtained results of the energy efficiency of the boiler calculations clearly showed the necessity of using balance methods with the use of advanced data validation and reconciliation method of measurements in the case of measurements redundancy.

Suggested Citation

  • Szega, Marcin & Czyż, Tomasz, 2019. "Problems of calculation the energy efficiency of a dual-fuel steam boiler fired with industrial waste gases," Energy, Elsevier, vol. 178(C), pages 134-144.
    • Handle: RePEc:eee:energy:v:178:y:2019:i:c:p:134-144
    DOI: 10.1016/j.energy.2019.04.068
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    References listed on IDEAS

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    1. Yılmaz, Kadir & Kayfeci, Muhammet & Keçebaş, Ali, 2019. "Thermodynamic evaluation of a waste gas-fired steam power plant in an iron and steel facility using enhanced exergy analysis," Energy, Elsevier, vol. 169(C), pages 684-695.
    2. Szega, Marcin, 2018. "Issues of an optimization of measurements location in redundant measurements systems of an energy conversion process – A case study," Energy, Elsevier, vol. 165(PA), pages 1034-1047.
    3. Szega, Marcin & Nowak, Grzegorz Tadeusz, 2015. "An optimization of redundant measurements location for thermal capacity of power unit steam boiler calculations using data reconciliation method," Energy, Elsevier, vol. 92(P1), pages 135-141.
    4. Szega, Marcin, 2018. "Extended applications of the advanced data validation and reconciliation method in studies of energy conversion processes," Energy, Elsevier, vol. 161(C), pages 156-171.
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    Cited by:

    1. Heydar Maddah & Milad Sadeghzadeh & Mohammad Hossein Ahmadi & Ravinder Kumar & Shahaboddin Shamshirband, 2019. "Modeling and Efficiency Optimization of Steam Boilers by Employing Neural Networks and Response-Surface Method (RSM)," Mathematics, MDPI, vol. 7(7), pages 1-17, July.
    2. Chen, Bin & Ye, Xiao & Shen, Jun & Wang, Sha & Deng, Shengxiang & Yang, Jinbiao, 2021. "Investigations on the energy efficiency limits for industrial boiler operation and technical requirements—taking China’s Hunan province as an example," Energy, Elsevier, vol. 220(C).
    3. Szega, Marcin, 2020. "Methodology of advanced data validation and reconciliation application in industrial thermal processes," Energy, Elsevier, vol. 198(C).
    4. Madejski, Paweł & Żymełka, Piotr, 2020. "Calculation methods of steam boiler operation factors under varying operating conditions with the use of computational thermodynamic modeling," Energy, Elsevier, vol. 197(C).
    5. Michał Kozioł & Joachim Kozioł, 2021. "Application of Data Validation and Reconciliation to Improve Measurement Results in the Determination Process of Emission Characteristics in Co-Combustion of Sewage Sludge with Coal," Sustainability, MDPI, vol. 13(9), pages 1-19, May.

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