Nozzle/mixer assembly
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United States of America Patent
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Apr 11, 2006
Grant Date -
Apr 8, 2004
app pub date -
Oct 4, 2002
filing date -
Sep 24, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bitumen/steam pre-mixer and atomizing nozzle combine to produce a jet of minute liquid droplets (bitumen) in carrier gas (steam). The jet is injected into a draft tube mixer positioned in a fluid bed of hot coke particles suspended in steam and contained within a fluid coking reactor. The movement of the jet through the draft tube passageway induces a stream of coke particles in steam to be drawn into the passageway, where the jet and stream mix vigorously and bitumen droplets have an enhanced probability of contacting coke particles.
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