CFD-Modeling of the Multistage Gasifier Capacity of 30 KW
Single-stage fuel gasification processes have been developed and widely studied in Russia and abroad throughout the 20th century. They are fundamental to the creation and design of modern gas generator equipment. Many studies have shown that single-stage gasification process, have already reached the limit of perfection, which was a significant improvement in their performance becomes impossible and unprofitable. The most fully meet modern technical requirements of multistage gasification technology. In the first step of the process, is organized allothermic biomass pyrolysis using heat of exhaust gas and generating power plant. At this stage, the yield of volatile products (gas and tar) of fuel. In the second step, the layer of fuel is, the tar is decomposed by the action of hot air and steam, steam-gas mixture is formed further reacts with the charcoal in the third process stage. The paper presents a model developed by the authors of the multi-stage gasifier for wood chips. The model is made with the use of CFD-modeling software package (COMSOL Multiphisics). To describe the kinetics of wood pyrolysis and gasification of charcoal studies were carried out using a set of simultaneous thermal analysis. For this complex developed original methods of interpretation of measurements, including methods of technical analysis of fuels and determine the parameters of the detailed kinetics and mechanism of pyrolysis. © Published under licence by IOP Publishing Ltd.
Библиографическая ссылка
Levin A.A., Kozlov A.N., Svishchev D.A., Donskoy I.G. CFD-Modeling of the Multistage Gasifier Capacity of 30 KW // Journal of Physics: Conference Series. Vol.891. No.1. ID: 012229. 2017. DOI: 10.1088/1742-6596/891/1/012229
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