Apparatus for removal and cooling of ash from the bed of a fluidized bed furnace
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United States of America Patent
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Jul 4, 2000
Grant Date -
N/A
app pub date -
May 20, 1998
filing date -
May 21, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A floor (2) of the device communicates with one or more ash-extraction pipes (3) associated with a semi-cooled conveyor. The conveyor is a drag conveyor (5) that travels over a semi-cooled floor (12) inside a housing (4). Several such semi-cooled floors are positioned one above another at several levels. The floors (12) at each level are divided into several tables (16) separated by slots (17) that extend across the direction traveled by the conveyor. The tables are mutually displaced level by level such that the rear end of every table is above the front end of a table in the floor just below it.
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