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Start Over Author "Liu, Ren Ping" Publisher elsevier b.v.
15 results on '"Liu, Ren Ping"'

15. Experimental study on cotton stalk combustion in a circulating fluidized bed

Author

Sun, Zhi-Ao, Jin, Bao-Sheng, Zhang, Ming-Yao, Liu, Ren-Ping, and Zhang, Yong

Subjects
*ALUMINUM oxide, *PLANT fibers, *AIR flow, *FLUIDIZATION
Abstract

Abstract: This paper summarizes the results of an experimental study on cotton stalk (CS) combustion in a circulating fluidized bed. The mixing and fluidizing characteristics of binary mixture of CS with 10–100mm in length and alumina bed material with a certain size distribution in a cold test facility were studied. The results show that CS by itself cannot fluidize, and adding inert bed material can improve the fluidization condition. CS can mix well with alumina at fluidization number N =3–7. As N is more than 7, there will exist a little more segregation. The study concerning combustion characteristics of pure CS was performed on a circulating fluidized bed with a heat input of 0.5MW. The effects of fluidizing velocity, secondary air flow and gas flow to the loop seal on the bed temperature profiles were investigated. Although there is a little more segregation at N higher than 7 in the cold tests, the hot experimental results indicate that slight segregation has little effect on the steady combustion of the dense region. In this study, the concentrations of major gaseous pollutants (CO, SO2 and NO) in flue (stack) gas were measured. [Copyright &y& Elsevier]

Published
2008
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