Fluidized bed discharge process

Claim 2

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising: transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through the actuation of suitable valving means, to a lower pressure setcling zone or zones wherein said solid material is separated from said gas which is vented back directly or indirectly into said vessel at a point above the point of transferring; upon the completion of transferring of said solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; and actuating valve means associated with said settling zone to transfer said solid particulate material from said settling zone to said transfer zone or transfer the gas from one said settling zone to a second settling zone.

Claim 3

The solid fluidized bed discharge process in accordance with claim 1, wherein said upper portions of said settling zone and said transfer zone may be pressure equalized by providing connecting conduit means.

Claim 4

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through tne actuation of suitable valving means, to a lower pressure settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of transferring; (b) upon the completion of transferring of solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the solid particulate from said settling zone to said transfer zone or transfer the gas from one said settling zone to a second settling zone; (d) upon the completion of transferring of solid material to said transfer zone or transferring of gas to said second settling zone, actuating associated valve means to arrest all solid and gas flow to and from said transfer zone or said second settling zone; and (e) actuating valve means associated with either said transfer zone or said first settling zone to discharge solid material from either said transfer zone or said first settling zone, as the case may be, whereby solid material transfer is effected while minimizing gas losses.

Claim 5

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through tne actuation of suitable valving means, to a lower pressure settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of transferring; (b) upon the completion of transferring of solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the solid particulate from said settling zone to said transfer zone or transfer the gas from one said settling zone to a second settling zone; (d) upon the completion of transferring of solid material to said transfer zone or transferring of gas to said second settling zone, actuating associated valve means to arrest all solid and gas flow to and from said transfer zone or said second settling zone; and (e) actuating valve means associated with either said transfer zone or said first settling zone to discharge solid material from either said transfer zone or said first settling zone, as the case may be, whereby solid material transfer is effected while minimizing gas losses.

Claim 6

The solid fluidized bed discharge process in accordance with claim 3, wherein said upper portions of said settling zone and said transfer zone may be pressure equalized by providing connecting conduit means.

Claim 7

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidizea condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through the actuation of suitable valving means, to a lower pressure settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of transferring; (b) upon the completion of transferring of said solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the solid particulate from said settling zone to said transfer zone; (d) upon the completion of transferring of solid material to said transfer zone, actuating associated valve means to arrest all solid and gas flow to and from said transfer zone; and (e) actuating valve means associated with said transfer zone to discharge solid material from said transfer zone, whereby solid material transfer is effected while minimizing gas losses.

Claim 8

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidizea condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through the actuation of suitable valving means, to a lower pressure settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of transferring; (b) upon the completion of transferring of said solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the solid particulate from said settling zone to said transfer zone; (d) upon the completion of transferring of solid material to said transfer zone, actuating associated valve means to arrest all solid and gas flow to and from said transfer zone; and (e) actuating valve means associated with said transfer zone to discharge solid material from said transfer zone, whereby solid material transfer is effected while minimizing gas losses.

Claim 9

Tne solid fluidized bed discharge process in accordance with claim 5, wherein said upper portions of said settling zone and said transfer zone may be pressure equalized by providing connecting conduit means.

Claim 10

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through the actuation of suitable valving means, to a lower settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of tranferring; (b) upon the completion of transferring of said solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the gas from one settling zone to a second settling zone; (d) upon completion of transferring said gas from one to said second settling zone, actuating associated valve means to arrest all solid and gas flow to and from said settling zones; and (e) actuating valve means associated with said one settling zone to discharge solid material from said one settling zone, whereby solid material transfer is effected while minimizing gas losses.

Claim 11

A fluidized bed discharge process for transferring solid particulate material from a high pressure vessel to lower pressure through successive zones of settling and transferring, wherein said solid is maintained in a fluidized condition by the passage of a gas stream through said high pressure vessel from the base of said bed to the top of said vessel, comprising the steps of: (a) transferring fluidized solid particulate material from a point in said vessel below the top of said bed, through the actuation of suitable valving means, to a lower settling zone wherein said solid material is separated from said gas which is vented back into said vessel at a point above the point of tranferring; (b) upon the completion of transferring of said solid particulate material to said settling zone, actuating associated valving means to arrest all solid and gas flow to and from said settling zone; (c) actuating valve means associated with said settling zone to transfer the gas from one settling zone to a second settling zone; (d) upon completion of transferring said gas from one to said second settling zone, actuating associated valve means to arrest all solid and gas flow to and from said settling zones; and (e) actuating valve means associated with said one settling zone to discharge solid material from said one settling zone, whereby solid material transfer is effected while minimizing gas losses.