Analysis of Operational Problems and Improvement Measures for Biomass-Circulating Fluidized Bed Gasifiers

• Published in: Energies (Basel) Vol. 17; no. 2; p. 303
• Main Authors: Gu, Shan, Liu, Maosheng, Liang, Xiaoye
• Format: Journal Article
• Language: English
• Published: Basel MDPI AG 01.01.2024
• Subjects: Agricultural pollution; Alternative energy sources; Biodiesel fuels; Biofuels; Biomass; biomass-circulating fluidized bed gasifier; Carbon; Coal-fired power plants; Electricity; Fossil fuels; Heat; improvement measures; Measurement; operational problems analysis; Rice; Software; Synthesis gas; Japan; China; Netherlands; United States > US; Asia; Europe
• ISSN: 1996-1073; 1996-1073
• DOI: 10.3390/en17020303

The advancement of biomass-circulating fluidized bed (CFB) gasification technology in China for commercialization and industrial application is still in its initial stages, characterized by extensive theoretical studies; however, there is limited documentation of its actual industrial operational characteristics. This study analyzes the operational challenges encountered in a 5 t/h biomass CFB gasifier at a rice factory in Jiangsu Province, China. It examines critical issues emerging during the gasifier system’s actual operational process, including the obstruction of the feeding system, the measurement of pressure at point blockages in the dense phase zone, loop seal blockages, bed inventory leakage of the blast cap on the air distribution plate, and gasification parameter fluctuations. Practical improvement strategies and implementation plans are proposed to address these operational concerns. The outcomes of this analysis serve as a reference for the design and operation of biomass CFB gasifiers. Furthermore, they provide crucial guidance for more extensive large-scale implementation of biomass CFB gasifiers.