Separation device for use in fluidized bed reactor, reaction regeneration apparatus and process for preparing olefins, and process for preparing aromatic hydrocarbons
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Oct 13, 2015
filing date -
Oct 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
Device for use in a fluidized bed reactor includes a gas-solid separator communicated with an outlet of the fluidized bed reactor; a vertically arranged damper, a solid outlet of the gas-solid separator communicated with a lower region of the damper, a gas outlet of the gas-solid separator communicated with an upper region of the damper; a fine gas-solid separator, an inlet of the fine gas-solid separator communicated with the upper region of the damper, and a solid outlet of the fine gas-solid separator communicated with the lower region of the damper. Product from the fluidized bed reactor is fed into the preliminary gas-solid separator, most solid catalysts separated and fed into the lower region; the product entraining the rest catalysts is fed into the upper region, and into the fine gas-solid separator, the rest catalysts fed into the lower region; and final product is obtained from the fine gas-solid separator.
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