Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Patent
1988-10-17
1989-11-07
Woodard, Joye L.
Mineral oils: processes and products
Chemical conversion of hydrocarbons
Cracking
208 48R, 208132, C10G 916, C10G 936
Patent
active
048790206
ABSTRACT:
A hydrocarbon converter furnace has an upper convection heating zone and a lower radiant heating zone, and tubing extends in those zones to convey a fluid hydrocarbon feed and steam in sequence through the convection and radiant heating zones. The tubing includes a feed section and branches therefrom in the radiant section of the furnace, the feed section and branches arranged so that the hydrocarbon and steam flow from the feed section to said branches; also provided is valving for controlling the relative rates of flow in the branches to reduce differential coking in the branches.
REFERENCES:
patent: 3117620 (1964-01-01), Fuller, Jr.
patent: 3268435 (1966-08-01), Sellin
patent: 4792436 (1988-12-01), Tsai
Haefliger William W.
Kinetics Technology International
Woodard Joye L.
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