Slag discharge device of a coal gasification reactor
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United States of America Patent
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Apr 23, 2013
Grant Date -
Nov 24, 2011
app pub date -
Jan 14, 2011
filing date -
Jul 15, 2008
priority date (Note) -
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Abstract
A device is disclosed for removing slag from a coal gasification reactor and to a slag water bath enclosed by the reaction vessel. The slag is discharged by a lock-type transfer vessel arranged downstream of the slag bath. The lock-type transfer vessel comprises one upper and one lower cylindrical section, the upper cylindrical section having a diameter larger than that of the lower cylindrical section and both sections being connected with each other via a tapered section which preferably is conical and the angle of the cone being similar to that of the angle of repose of the slag. A process for removing slag from a coal gasification reactor and a slag water bath housed by the reaction vessel is also disclosed. The device permits a discharge of slag in a lock-type transfer vessel and precludes formation of slag incrustations in the lock-type transfer vessel.
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