A cold model experimental study on the flow characteristics of bed material in a fluidized bed bottom ash cooler in a CFB boiler |
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Authors: | Xiaofeng Lu Yourong Li |
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Affiliation: | (1) Institute of Thermal Energy Engineering, Chongqing University, 400044 Chongqing, China |
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Abstract: | A cold model experimental study on the flowing characteristics of bed material between a fluidized bed ash cooler and a furnace of CFB boiler were discussed in this paper. The research results showed that flowing status of the bed material in a bubbling bed, which was run with a circulating fluidized bed together in parallel operation, was influenced by the pressure difference between the CFB and the bubbling bed, the switch status of unlocking air, and the structure of the exit of the bubbling bed. There was a circulating flow of bed material between CFB and bubbling bed. |
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Keywords: | fluidized bed CFB bottom ash cooler |
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