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The Optimal Diameter of the Droplets of a High-Viscosity Liquid Containing Solid State Catalyst Particles

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  • Zdzisław Bielecki

    (Kuncar S.A., Pszczyńska 167C, 43-175 Wyry, Poland
    Department of Automatic Control and Robotics, Silesian University of Technology, Akademicka 2A, 44-100 Gliwice, Poland)

  • Marek Ochowiak

    (Department of Chemical Engineering and Equipment, Poznan University of Technology, 60-965 Poznan, Poland)

  • Sylwia Włodarczak

    (Department of Chemical Engineering and Equipment, Poznan University of Technology, 60-965 Poznan, Poland)

  • Andżelika Krupińska

    (Department of Chemical Engineering and Equipment, Poznan University of Technology, 60-965 Poznan, Poland)

  • Magdalena Matuszak

    (Department of Chemical Engineering and Equipment, Poznan University of Technology, 60-965 Poznan, Poland)

  • Krzysztof Jagiełło

    (Thermal Processes Department, Institute of Power Engineering, Mory 8, 01-330 Warsaw, Poland)

  • Jarosław Dziuba

    (Department of Power Engineering and Turbomachinery, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Ernest Szajna

    (KMB Catalyst sp z o.o., ul. Pszczyńska 167C, 43-175 Wyry, Poland)

  • Dariusz Choiński

    (Department of Automatic Control and Robotics, Silesian University of Technology, Akademicka 2A, 44-100 Gliwice, Poland)

  • Marcin Odziomek

    (Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645 Warsaw, Poland)

  • Tomasz R. Sosnowski

    (Faculty of Chemical and Process Engineering, Warsaw University of Technology, Waryńskiego 1, 00-645 Warsaw, Poland)

Abstract

The article presents a method of controlling the size of droplets generated by a system that sprays a high-viscosity liquid containing particles of a solid body, i.e., a catalyst. The work is a continuation of previous research concerning the spraying of liquids with a catalyst, which improves the efficiency of the process. As a result of the conducted CFD calculations, it was found that to bring the catalyst to the system, a droplet with a diameter of at least 30 µm should be generated. The tests were carried out on a laboratory scale on a model isopropanol-water system. A polymer containing Raney nickel particles was added to the suspension. The analysis of the obtained data confirmed the possibility of generating droplets with the desired diameters in order for the liquid carrying the catalyst to not evaporate before it is delivered to the combustion chamber. The designed and constructed test system allows the diameters of the generated droplets to be controlled by changing the settings of the spraying nozzle. Moreover, it enables the parameters of the process, and the spraying itself, to be controlled. In further work, tests on a real 0.5 MW facility are planned. Due to the use of a catalyst, a greater degree of fuel burnout can be obtained, and the dynamics of the combustion process can be improved. Additionally, the parameters of the emitted exhaust gases and ash composition can also be enhanced.

Suggested Citation

  • Zdzisław Bielecki & Marek Ochowiak & Sylwia Włodarczak & Andżelika Krupińska & Magdalena Matuszak & Krzysztof Jagiełło & Jarosław Dziuba & Ernest Szajna & Dariusz Choiński & Marcin Odziomek & Tomasz R, 2022. "The Optimal Diameter of the Droplets of a High-Viscosity Liquid Containing Solid State Catalyst Particles," Energies, MDPI, vol. 15(11), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:11:p:3937-:d:824867
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    References listed on IDEAS

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    1. Zdzisław Bielecki & Marek Ochowiak & Sylwia Włodarczak & Andżelika Krupińska & Magdalena Matuszak & Robert Lewtak & Jarosław Dziuba & Ernest Szajna & Dariusz Choiński & Marcin Odziomek, 2021. "The Analysis of the Possibility of Feeding a Liquid Catalyst to a Coal Dust Channel," Energies, MDPI, vol. 14(24), pages 1-14, December.
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    Cited by:

    1. Marek Ochowiak & Zdzisław Bielecki & Andżelika Krupińska & Magdalena Matuszak & Sylwia Włodarczak & Michał Bielecki & Dariusz Choiński & Jarosław Smyła & Krzysztof Jagiełło, 2023. "Pulverized Coal-Fired Boilers: Future Directions of Scientific Research," Energies, MDPI, vol. 16(2), pages 1-15, January.
    2. Anastasia Islamova & Pavel Tkachenko & Kristina Pavlova & Pavel Strizhak, 2022. "Interaction between Droplets and Particles as Oil–Water Slurry Components," Energies, MDPI, vol. 15(21), pages 1-23, November.
    3. Marek Ochowiak & Magdalena Matuszak & Sylwia Włodarczak & Andżelika Krupińska, 2022. "Design and Testing of Apparatus for Producing Dry Fog," Energies, MDPI, vol. 15(24), pages 1-11, December.
    4. Marek Ochowiak & Zdzisław Bielecki & Michał Bielecki & Sylwia Włodarczak & Andżelika Krupińska & Magdalena Matuszak & Dariusz Choiński & Robert Lewtak & Ivan Pavlenko, 2022. "The D 2 -Law of Droplet Evaporation When Calculating the Droplet Evaporation Process of Liquid Containing Solid State Catalyst Particles," Energies, MDPI, vol. 15(20), pages 1-10, October.

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