Numerical Simulation of Combustion and Characteristics of Fly Ash and Slag in a “V-type” Waste Incinerator

Zixue Luo, Wei Chen, Yue Wang, Qiang Cheng, Xiaohua Yuan, Zhigang Li and Junjie Yang
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Zixue Luo: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Wei Chen: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Yue Wang: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Qiang Cheng: State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan 430074, China
Xiaohua Yuan: Grandblue Environment Co., Ltd., Foshan 528200, China
Zhigang Li: Grandblue Environment Co., Ltd., Foshan 528200, China
Junjie Yang: Grandblue Environment Co., Ltd., Foshan 528200, China

Energies, 2021, vol. 14, issue 22, 1-12

Abstract: This study is focused on a “V-type” waste incinerator for municipal solid waste (MSW) combustion. Computational fluid dynamics (CFD) methods are used to study the MSW combustion process. The characteristics of fly ash and slag are analyzed by using a laser particle analyzer, scanning electron microscope, X-ray fluorescence, and X-ray diffraction. The results show that the error between the CFD simulation data and measured data is less than 10%, and the changing trend of the combustion process is well-modeled. The fly ash mainly has an irregular spherical or ellipsoid structure, whereas the slag mainly has an irregular porous structure. The main constituents of the ash and slag are CaO and SiO 2 , along with heavy metal elements such as Cu, Pb, and Cr.

Keywords: waste incinerator; numerical simulation; fly ash; slag (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: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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