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Modeling of Some Operating Parameters Required for the Development of Fixed Bed Small Scale Pyrolysis Plant

1
National Agricultural Research and Innovation Center, Szent-Györgyi Albert st. 4., 2100 Gödöllő, Hungary
2
Pyrowatt Ltd., 6120 Kiskunmajsa, Hungary
3
Climate Change Economics Research, SzentIstvan University, 2100 Gödöllő, Hungary
4
Department of Energetics, Faculty of Mechanical Engineering, Szent Istvan University, 2100 Gödöllő, Hungary
*
Author to whom correspondence should be addressed.
Resources 2019, 8(2), 79; https://doi.org/10.3390/resources8020079
Received: 16 March 2019 / Revised: 7 April 2019 / Accepted: 18 April 2019 / Published: 24 April 2019
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Abstract

In recent years, we have read a lot of research aimed at creating a small, easy-to-mobilize pyrolysis unit. But these devices were not efficiently designed. According to literature data, small equipment (5.0–50 kW) has to be considered differently on the combustion aspects, compared to a larger pyrolysis unit. The main purpose of our research is to determine the operating characteristics of a small fixed bedding CHP (combined heat and power) pyrolysis power plant. At the design stage, it is also critical to know the properties of the biomass (usually different biological wastes) used on the input side. The use of a wide diversity of biomass waste may result in the volume of material remains and the energy produced is not usable in the right form. To obtain a clear picture of the combustion conditions, a fixed bedding pilot pyrolysis device was made. With the measurements in the experimental apparatus, we have a clearer picture of the changes in some of combustion parameters. We have examined exactly how the size and hardness of biomass materials affect the efficiency of pyrolysis. By modelling the “mass change”—with the knowledge of the material content, physical characteristics, and the parameters of the pyrolysis equipment—the amount of the expected material remains, and combustion conditions can be predicted with a mathematical function. We have found an appropriate mathematical model (R2 = 0.8758) to describe the relationship between gas production and material structure for a given period. View Full-Text
Keywords: operating parameters; small fixed bed pyrolysis; hardwood chips; mathematical function operating parameters; small fixed bed pyrolysis; hardwood chips; mathematical function
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Bacskai, I.; Madar, V.; Fogarassy, C.; Toth, L. Modeling of Some Operating Parameters Required for the Development of Fixed Bed Small Scale Pyrolysis Plant. Resources 2019, 8, 79.

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