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Thermal and Performance Analysis of a Gasification Boiler and Its Energy Efficiency Optimization

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  • Jan Valíček

    (Technical Faculty, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949-76 Nitra, Slovakia
    Faculty of Mining and Geology, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic
    Regional Materials Science and Technology Centre, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic)

  • Zuzana Palková

    (Technical Faculty, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949-76 Nitra, Slovakia)

  • Marta Harničárová

    (Faculty of Mining and Geology, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic
    Regional Materials Science and Technology Centre, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic)

  • Milena Kušnerová

    (Faculty of Mining and Geology, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic
    Regional Materials Science and Technology Centre, Vysoká škola báňská—Technical University of Ostrava, 17. Listopadu 15, 708-33 Ostrava, Czech Republic)

  • Ondrej Lukáč

    (Technical Faculty, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949-76 Nitra, Slovakia)

Abstract

The purpose of this study was to determine a method for multi-parametric output regulation of a gasification boiler especially designed for heating or for hot water heating in buildings. A new method of regulation is offered, namely more parametric regulation via proportional-integral-derivative (PID) controllers that are capable of controlling the calculated values of pressure, temperature and fan speed. These values of pressure, temperature and fan speed are calculated in a completely new way, and calculations of setpoints for determination of optimal parameters lead to an increase in boilers efficiency and power output. Results of measurements show that changes at the mouth of the stack draft due atmospheric influences occur in times with high intensity and high frequency, while power parameters, or boiler power output amplitudes and fan speed automatically “copy” those changes proportionally due to instantaneous fan speed changes. The proposed method of regulation of the gasification boiler power output according to the technical solution enables a simple, cheap, express and continuous maintenance of high power output at low concentrations of the exhaust gases of the gasification boilers from the viewpoint of the boiler user, as well as from the perspective of development and production it allows a continuous control monitoring of these parameters.

Suggested Citation

  • Jan Valíček & Zuzana Palková & Marta Harničárová & Milena Kušnerová & Ondrej Lukáč, 2017. "Thermal and Performance Analysis of a Gasification Boiler and Its Energy Efficiency Optimization," Energies, MDPI, vol. 10(7), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:7:p:1066-:d:105585
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    1. Alexandre Boriouchkine & Sirkka-Liisa Jämsä-Jounela, 2016. "Simplification of a Mechanistic Model of Biomass Combustion for On-Line Computations," Energies, MDPI, vol. 9(9), pages 1-25, September.
    2. Chamseddine Guizani & Mejdi Jeguirim & Sylvie Valin & Lionel Limousy & Sylvain Salvador, 2017. "Biomass Chars: The Effects of Pyrolysis Conditions on Their Morphology, Structure, Chemical Properties and Reactivity," Energies, MDPI, vol. 10(6), pages 1-18, June.
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    1. Jingjing Li & Haidong Ma & Yungang Wang & Min Xue & Qinxin Zhao, 2019. "Investigation on Oxidation Behavior of Super304H and HR3C Steel in High Temperature Steam from a 1000 MW Ultra-Supercritical Coal-Fired Boiler," Energies, MDPI, vol. 12(3), pages 1-8, February.

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