Gasification reactor with pipe distributor
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United States of America Patent
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Jun 30, 2020
Grant Date -
May 7, 2020
app pub date -
Dec 20, 2019
filing date -
Jan 30, 2012
priority date (Note) -
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Abstract
A large-scale fluidized bed biogasifier provided for gasifying biosolids. The biogasifier includes a reactor vessel with a pipe distributor and at least two fuel feed inlets for feeding biosolids into the reactor vessel at a desired fuel feed rate of more than 40 tons per day with an average of about 100 tons per day during steady-state operation of the biogasifier. A fluidized bed in the base of the reactor vessel has a cross-sectional area that is proportional to at least the targeted fuel feed rate such that the superficial velocity of gas is in the range of 0.1 m/s (0.33 ft/s) to 3 m/s (9.84 ft/s). In operation, biosolids are heated inside the fluidized bed reactor to a temperature range between 900° F. (482.2° C.) and 1600° F. (871.1° C.).
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