Claims
- 1. Apparatus for the separation of solid particulates suspended in a gaseous medium which comprises:
- a disengaging chamber serving as a reservoir for the collected solid particulates in which there is essentially no net flow of gases while effecting separation;
- an enlongated tubular conduit having an upstream and downstream end, the latter directly communicating with said chamber via an unrestrictive axial opening;
- means for effecting the flow of a gas-solid stream from the upstream end of said conduit toward the downstream end; and
- cyclone separator means having an inlet laterally communicating with said elongated tubular conduit near said downstream axial opening thereof and adapted to discharge solid particulates separated therein into said disengaging chamber and to vent said gaseous medium through the outlet thereof outside said disengaging chamber.
- 2. Apparatus for conducting the fluidized catalytic cracking of petroleum hydrocarbons and the separation of catalyst particulates from the converted hydrocarbon products which comprises the combination of:
- a disengaging chamber serving as a reservoir for the separated catalyst particulates in which there is essentially no net flow of gases while effecting separation;
- a generally vertically positioned elongated tubular reaction zone of substantially less cross-sectional area than that of said chamber and having an upstream
- and downstream end, the latter in open communication with said chamber via an unrestricted axial opening;
- means for effecting essentially cocurrent flow of the catalyst particulates and vaporous hydrocarbons from the upstream end of said reaction zone toward the downstream end; and
- cyclone separator means having an inlet laterally communicating with the tubular reaction zone near said downstream axial opening thereof and adapted to discharge catalyst particulates separated therein into said disengaging chamber and to vent the converted hydrocarbon products through the outlet thereof outside said disengaging chamber.
- 3. An apparatus in accordance with claim 2 wherein the diameter of the upstream end of said tubular reaction zone is greater than that of the downstream end thereof.
- 4. An apparatus in accordance with claim 3 wherein the tapered portion of the tubular reaction zone extends for less than one-half of the total length thereof.
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation-in-part of application Ser. No. 753,231, filed Dec. 20, 1976, now abandoned, which in turn is a divisional of application Ser. No. 561,625 filed Mar. 24, 1975, now abandoned.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
561625 |
Mar 1975 |
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Continuation in Parts (1)
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Number |
Date |
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753231 |
Dec 1976 |
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