COKE DRUM WITH AIR INJECTION SYSTEM FOR SKIRT JUNCTION
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United States of America Patent
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May 25, 2017
app pub date -
Nov 19, 2015
filing date -
Nov 19, 2015
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Abstract
A coke drum includes a coke drum vessel having a substantially cylindrical wall and a conical bottom portion; a skirt downwardly depending from a transition of the cylindrical wall into the conical bottom portion, an inner annular space being defined between the skirt and the conical bottom portion; and a fluid injection system communicated with the inner annular space for injecting fluid at a desired temperature to heat or cool the inner annular space. The fluid injection system allows the inner annular space and junction of the skirt with the coke drum vessel to be heated or cooled to minimize temperature difference between these areas and a batch of coke to be introduced into the drum.
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