Method and apparatus for disengaging particles from gases

Details Method and apparatus for disengaging particles from gases Method and apparatus for disengaging particles from gases

B - Operations, Transporting

01

D

196/112, 183/114

B01D 45/12 (2006.01) B01D 45/00 (2006.01) B01J 8/00 (2006.01) B04C 5/24 (2006.01) B04C 9/00 (2006.01)

Patent

CA 1043709

ABSTRACT OF THE DISCLOSURE Method and apparatus for separating particles such as catalyst particles used in catalytic cracking of hydrocarbons, from gases in which they are suspended or en- trained. The gas-particle mixture moves in a tube or conduit which is vented, through an outlet opening, to a disengaging chamber. The chamber is statically pressurized by its com- munication with the conduit, but there is essentially no gas flow through the chamber, externally of the conduit. A large proportion of the particles are inertially disengaged from the gases as the particles are projected into the chamber through the outlet opening of the conduit, while the pressure in the chamber diverts or deflects the gases angularly through a port in the sidewall of the conduit, directly into a cyclone separator, at lower pressure. The invention provides unexpected advantages in per- mitting higher operating temperatures, higher throughputs and lower catalyst losses.

248556

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