Flow streamlining device for transfer line heat exchanges
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United States of America Patent
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-
Nov 22, 1988
Grant Date -
N/A
app pub date -
May 16, 1986
filing date -
May 16, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Shell-and-tube transfer line heat exchangers are disclosed, having inlet ends with a flow streamlining device comprising, in combination: flared ends, preferably in the form of hollow truncated cones, whose smaller ends are aligned with and mated to the inlet ends of the heat exchange tubes in a conventional transfer line heat exchanger, the ends of these heat exchange tubes being contained within tubesheets, the flared ends extending away from the inlet and tubesheet, and peaked gas guides, preferably in the form of closed, concave gables having rounded, smooth tops, which rise between the rims or edges of adjacent larger ends of the flared ends and enclose the spaces between these rims or edges. Methods of quenching high temperature gases while recovering useable heat therefrom using these modified transfer line heat exchangers are also disclosed.
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