Simulation of Two-Phase Flow and Syngas Generation in Biomass Gasifier Based on Two-Fluid Model

Haochuang Wu, Chen Yang, Zonglong Zhang and Qiang Zhang
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Haochuang Wu: School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Chen Yang: School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Zonglong Zhang: School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Qiang Zhang: School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China

Energies, 2022, vol. 15, issue 13, 1-15

Abstract: The efficient use of renewable energy is receiving more and more attention in the context of “carbon neutrality” and “carbon peaking”. For a long time, biomass has been used less efficiently as a renewable energy source, but with the development of fluidized biomass gasification technology, it can play an increasing role in industrial production. A fluidized bed biomass gasifier has a strong nonstationary process due to its complex energy–mass exchange, and analysis of its complex reaction process and products has relied on experiments for a long time. This paper uses a Euler–Euler two-fluid model to establish a three-dimensional CFD model of the fluidized bed biomass gasifier, on which factors affecting syngas generation are analyzed. The simulation shows that increasing the initial bed temperature can effectively improve syngas production, while increasing the air equivalent is not beneficial for syngas production.

Keywords: biomass gasifier; fluidized bed; syngas; gas–solid flow; two-fluid model (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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