C - Chemistry – Metallurgy – 10 – G
Patent
C - Chemistry, Metallurgy
10
G
196/2
C10G 1/00 (2006.01) F23C 6/04 (2006.01) F23C 10/00 (2006.01) F23J 15/02 (2006.01) F23L 15/04 (2006.01)
Patent
CA 1215663
- 29 - A B S T R A C T PROCESS FOR THE COMBUSTION OF COKE PRESENT ON SOLID PARTICLES AND FOR THE PRODUCTION OF RECOVERABLE HEAT FROM HYDROCARBON-BEARING SOLID PARTICLES AND APPARATUS THEREFOR Process and apparatus for the combustion of coke present on solid particles from which hydrocarbons have been substantially removed by heating, and for the production of recoverable heat from hydrocarbon-bearing solid particles, in a series of at least two combustion stages. The process comprises the following steps: a) feeding the solid particles into the first combustion stage of the series through an inlet near its bottom; b) introducing an oxygen-containing gas into the bottom of each combustion stage, whereby at least part of the particles are entrained towards an upper outlet and at least part of the coke on the particles is combusted, yielding a flue gas; c) passing the particles and the flue gas from the upper outlet of each combustion stage into a separation stage, following each oombustion stage; d) separating the flue gas from the particles in each separation stage, discharging the flue gas at the top of the said stage and withdrawing the particles at the bottom thereof; e) introducing at least a part of the withdrawn particles into the next combustion stage subsequent to the separation stage through an inlet near its bottom, thereby starting a new sequence essentially the same as in a) through d), at least a part of the particles withdrawn from the last separation stage being dis- charged.
436351
Darton Richard C.
Krishna Rajamani
Van Meurs Hubrecht C.a.
Voetter Heinz
Marcoux & Sher Swabey Mitchell Houle
Shell Internationale Research Maatschappij B.v.
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