Gas and solid flow patterns in a loop-seal operated as solid re-injection device between the downcomer and the riser of a lab-scale cold CFB apparatus were characterized under a broad range of operating conditions by a combination of methods, including measurement of pressure time series along the CFB loop, solid mass flux along the riser and solids and gas tracing into the loop-seal. Analysis of results from solids and gas tracing tests highlights the role of both solid downflow in the supply chamber and gas cross-flow between the loop-seal chambers on the fluidization patterns. An approximate criterion is given for the onset of gas "leakage" between the two loop-seal sections, relevant to loop-seal applications in dual interconnected fluidized beds (DIFB).

Gas and solid flow patterns in the loop-seal of a circulating fluidized bed / Bareschino, Piero; Solimene, Roberto; Chirone, Riccardo; Salatino, Piero. - In: POWDER TECHNOLOGY. - ISSN 0032-5910. - 264:(2014), pp. 197-202. [10.1016/j.powtec.2014.05.036]

Gas and solid flow patterns in the loop-seal of a circulating fluidized bed

SALATINO, PIERO
2014

Abstract

Gas and solid flow patterns in a loop-seal operated as solid re-injection device between the downcomer and the riser of a lab-scale cold CFB apparatus were characterized under a broad range of operating conditions by a combination of methods, including measurement of pressure time series along the CFB loop, solid mass flux along the riser and solids and gas tracing into the loop-seal. Analysis of results from solids and gas tracing tests highlights the role of both solid downflow in the supply chamber and gas cross-flow between the loop-seal chambers on the fluidization patterns. An approximate criterion is given for the onset of gas "leakage" between the two loop-seal sections, relevant to loop-seal applications in dual interconnected fluidized beds (DIFB).
2014
Gas and solid flow patterns in the loop-seal of a circulating fluidized bed / Bareschino, Piero; Solimene, Roberto; Chirone, Riccardo; Salatino, Piero. - In: POWDER TECHNOLOGY. - ISSN 0032-5910. - 264:(2014), pp. 197-202. [10.1016/j.powtec.2014.05.036]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11588/626156
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