Apparatus for carrying out a physical and/or chemical process, such as a heat exchanger
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United States of America Patent
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Oct 14, 1997
Grant Date -
N/A
app pub date -
Jan 30, 1996
filing date -
Apr 20, 1993
priority date (Note) -
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Abstract
An apparatus for carrying out a physical and/or chemical process, such as a heat exchanger, comprising a reservoir (1) provided with upwardly-directed tubes (2), in which reservoir (1) a fluidized bed is present consisting of granular material and maintained by medium to be treated. The invention is provided with means for causing fluidized bed particles to circulate from a bottom box (3) of the reservoir (1) through the riser pipes (2), a top box (4) and a downcomer (15) back again to the bottom box (4), and with a closable bypass line (27) for feeding a portion of the fed medium to the riser pipes (2) while shortcutting the fluidized bed.
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