振动流化床中磷石膏颗粒流态化性能研究

Abstract

Abstract: The fluidization properties of phosphogypsum（PG） particles in vibro-fluidized bed（VFB） was studied by cold- state experiment.Results showed that the fluidization performance of PG particles was very poor in the ordinary fluidized bed，and it was difficult to achieve normal fluidized state.Therefore it was not suitable for fluidized decomposition of PG in ordinary fluidized bed.However， the introduction of vibration energy can greatly improve the fluidized performance of PG particles. The influences of amplitude and feed height-diameter ratio on bed pressure drop，expansion ratio，and the minimum fluidization velocity of PG particles were investigated.It provided a theoretical basis for selection of experimental conditions of the thermal model experiment.

Key words: vibro-fluidized bed, phosphogypsum, fludization, cold-state experiment

CLC Number:

TQ051.1

JIA Hui, LIU Shao-Wen, WU Yuan-Xin. Study on fludization properties of phosphogypsum particles in vibro-fluidized bed[J]. INORGANICCHEMICALSINDUSTRY, 2013, 45(1): 47-.

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Inorganic Acid-Base-Salt Committee of CIESC

Study on fludization properties of phosphogypsum particles in vibro-fluidized bed

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