气流床气化炉煤粉浓相气力输送综述

An Overview:Dense-phase Pneumatic Conveying of Pulverized Coal for Entrained Bed Gasifier

高压浓相煤粉气力输送是干煤粉气流床气化炉关键技术之一,文章从输送物料特性、输送相图、阻力特性及流动稳定性等方面评述了浓相粉体气力输送在近些年取得的研究进展,结合东南大学近年来在高压浓相煤粉气力输送领域获得的研究成果,系统地探讨了浓相气力输送过程中的流动特性,对今后浓相气力输送研究应开展的工作提出了建议。

Dense-phase pneumatic conveying of pulverized coal at high pressure is one of the key technologies in coal gasification process.The paper gives a review of dense-phase pneumatic conveying from powder property,phase diagram,resistance property and flow stability.Combining with research results in high-pressure pneumatic conveying by Southeast University,flow characteristics of dense-phase pneumatic conveying are investigated.Finally,future research contents of dense-phase pneumatic conveying are suggested.