Commissioning Analysis and Improvement measures for Biomass Circulating Fluidized Bed Gasifier

Abstract

This paper presents the debugging test of biomass circulating fluidized bed gasifier in a rice mill factory of Jiangsu Province. The main debugging process of the gasifier system is reported. The typical problems of the gasifier system during the debugging period are analyzed, including the blockage of the primary cyclone separator, blockage of loop seal, bed inventory leakage of blast cap on air distribution plate, feeding tube coking, and large fluctuation of bed pressure. Reasonable improvement countermeasures and implementation plan is provided. The operation characteristics of the gasifier are preliminaries mastered through debugging, which provides reference for the operation and adjustment of the biomass circulating fluidized bed gasifier. These results provide certain guiding significance for the scale application of biomass circulating fluidized bed gasifier.

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

“…For example, 8 t/h and 10 t/h fluidized-bed gasification heating co-production lines were implemented in 2016 and 2019 in Lishui City and Anji City in Zhejiang Province, respectively, using powdered bamboo chips as the raw material [30]. Moreover, in 2021, a rice factory in Jiangsu Province implemented 5 t/h fluidized-bed gasification heating coproduction of a carbon line utilizing rice husks [31]. Larger applications are predominantly utilized in gasification-coupled large-scale coal-fired power generation systems.…”