System for regenerating fluidizable catalyst particles

Claim 1

An apparatus for regenerating catalyst particles deactivated with carbonaceous material which comprises, a. a first upwardly extending elongated catalyst contact chamber of larger diameter in a lower bottom portion thereof than in the upper major portion thereof, b. the upper end of said first elongated contact chamber in open communication with cyclonic separation means, c. an upper portion of said elongated contact chamber and cyclonic separation means housed within a separate enlarged second chamber, d. said cyclonic separation means in open communication with outlet conduit means extending from a top portion of said second chamber, e. a first open ended conduit means in open communication with a lower portion of said second chamber and the lower larger diameter portion of said first catalyst contact chamber, f. a second conduit means for passing deactivated catalyst particles to the lower larger diameter portion of said first catalyst contact chamber, g. a third open ended conduit means in extending directly between a lower portion of said second chamber and said second conduit means, h. valve flow control means in each of said first, second and third conduit means, i. means for separately introducing gaseous material to a lower bottom portion of each of said first and second chambers and j. conduit means for withdrawing regenerated catalyst particles from a lower portion of said second chamber for transfer to a hydrocarbon conversion chamber.

Claim 2

An apparatus for regenerating catalyst particles deactivated with carbonaceous material which comprises, a. a first upwardly extending elongated catalyst contact chamber of larger diameter in a lower bottom portion thereof than in the upper major portion thereof, b. the upper end of said first elongated contact chamber in open communication with cyclonic separation means, c. an upper portion of said elongated contact chamber and cyclonic separation means housed within a separate enlarged second chamber, d. said cyclonic separation means in open communication with outlet conduit means extending from a top portion of said second chamber, e. a first open ended conduit means in open communication with a lower portion of said second chamber and the lower larger diameter portion of said first catalyst contact chamber, f. a second conduit means for passing deactivated catalyst particles to the lower larger diameter portion of said first catalyst contact chamber, g. a third open ended conduit means in extending directly between a lower portion of said second chamber and said second conduit means, h. valve flow control means in each of said first, second and third conduit means, i. means for separately introducing gaseous material to a lower bottom portion of each of said first and second chambers and j. conduit means for withdrawing regenerated catalyst particles from a lower portion of said second chamber for transfer to a hydrocarbon conversion chamber.

Claim 5

An apparatus combination for effecting the fluid catalyst conversion of hydrocarbons and regeneration of the catalyst comprising a. a first upwardly extending riser hydrocarbon conversion conduit means discharging into an upper portion of a first enlarged chamber means, b. cyclonic separating means positioned in an upper portion of said first enlarged chamber means and communicating with a gasiform withdrawal conduit means extending from an upper portion of said first enlarged chamber, c. means for collecting a mass catalyst discharged from said first riser conduit means in a lower portion of said first chamber, d. conduit means for introducing stripping gas into a lower portion of said collected mass of catalyst, e. a second upwardly extending riser catalyst regeneration conduit means of larger diameter in a lower portion than in an upper portion thereof, f. said second riser conduit means discharging into an upper portion of a second enlarged chamber means, g. cyclonic separating means positioned in an upper portion of said second enlarged chamber and communicating with a gasiform withdrawal conduit extending from an upper portion of said second enlarged chamber, h. a first open end standpipe means communicating directly between the lower portion of said second enlarged chamber and the lower larger diameter portion of said second riser conduit means, i. a second open end standpipe means communicating directly between a bottom portion of said first enlarged chamber and the lower larger diameter portion of said second riser conduit means, j. a third open end standpipe means communicating directly between the lower portion of said second enlarged chamber means and a lower portion of said second standpipe, k. a fourth standpipe means communicating directly between a lower portion of said second enlarged chamber and a bottom portion of said first riser conduit, l. conduit means for introducing hydrocarbon material to a bottom portion of said first riser conduit, m. conduit means for introducing regeneration gas to a bottom portion of said second riser conduit, and n. valve flow control means in each of said standpipes to control the flow of particles of catalyst through said standpipes.

Claim 6

An apparatus combination for effecting the fluid catalyst conversion of hydrocarbons and regeneration of the catalyst comprising a. a first upwardly extending riser hydrocarbon conversion conduit means discharging into an upper portion of a first enlarged chamber means, b. cyclonic separating means positioned in an upper portion of said first enlarged chamber means and communicating with a gasiform withdrawal conduit means extending from an upper portion of said first enlarged chamber, c. means for collecting a mass catalyst discharged from said first riser conduit means in a lower portion of said first chamber, d. conduit means for introducing stripping gas into a lower portion of said collected mass of catalyst, e. a second upwardly extending riser catalyst regeneration conduit means of larger diameter in a lower portion than in an upper portion thereof, f. said second riser conduit means discharging into an upper portion of a second enlarged chamber means, g. cyclonic separating means positioned in an upper portion of said second enlarged chamber and communicating with a gasiform withdrawal conduit extending from an upper portion of said second enlarged chamber, h. a first open end standpipe means communicating directly between the lower portion of said second enlarged chamber and the lower larger diameter portion of said second riser conduit means, i. a second open end standpipe means communicating directly between a bottom portion of said first enlarged chamber and the lower larger diameter portion of said second riser conduit means, j. a third open end standpipe means communicating directly between the lower portion of said second enlarged chamber means and a lower portion of said second standpipe, k. a fourth standpipe means communicating directly between a lower portion of said second enlarged chamber and a bottom portion of said first riser conduit, l. conduit means for introducing hydrocarbon material to a bottom portion of said first riser conduit, m. conduit means for introducing regeneration gas to a bottom portion of said second riser conduit, and n. valve flow control means in each of said standpipes to control the flow of particles of catalyst through said standpipes.