Apparatus for processing phosphoric acid anhydride

Claim 1

AN APPARATUS FOR CONDENSING GASEOUS PHOSPHORIC ACID ANHYDRIDE WHICH COMPRISES IN COMBINATION: (A) A VESSEL DIVIDED INTO UPPER AND LOWER COMPART MENTS BY A HORIZONTAL GAS DISTRIBUTING PARTITION, SAID UPPER COMPARTMENT SERVING TO HOUSE A DENSE FLUIDIZED BED OF COOLED P3O5 PARTICLES AND SaID LOWER COMPARTMENT SERVING AS THE FLUIDIZATION WINDBOX; (B) CONDUIT MEANS FOR FURNISHING A GASEOUS FEED OF P2O5 DIRECTLY TO THE DENSE FLUIDIZED BED AND CONNECTED THROUGH THE WALL OF SAID VESSEL BELOW THE UPPER LEVEL OF SaID DENSE FLUIDIZED BED AND AT A POSITION WHERE SAID GASEOUS FEED WILL ENTER SAID DENSE FLUIDIZED BED AT LEAST SIX INCHES ABOVE THE HORIAONTAL GAS DISTRIBUTING PARTITION; (C) VALVED CONDUIT MEANS FOR DISCHARGING CONDENSED PARTICLES OF P2O5 UNDER FLUOSTATIC PRESSURE FROM SAID DENSE FLUIDIZED BED AND CONNECTED THROUGH THE WALL OF SaID VESSEL AT A POSITION WITHIN SAID UPPER COMPARTMENT BELOW THE UPPER LEVEL OF SAID SENSE FLUIDIZED BED;

Claim 2

AN APPARATUS FOR CONDENSING GASEOUS PHOSPHORIC ACID ANHYDRIDE WHICH COMPRISES IN COMBINATION: (A) A VESSEL DIVIDED INTO UPPER AND LOWER COMPART MENTS BY A HORIZONTAL GAS DISTRIBUTING PARTITION, SAID UPPER COMPARTMENT SERVING TO HOUSE A DENSE FLUIDIZED BED OF COOLED P3O5 PARTICLES AND SaID LOWER COMPARTMENT SERVING AS THE FLUIDIZATION WINDBOX; (B) CONDUIT MEANS FOR FURNISHING A GASEOUS FEED OF P2O5 DIRECTLY TO THE DENSE FLUIDIZED BED AND CONNECTED THROUGH THE WALL OF SAID VESSEL BELOW THE UPPER LEVEL OF SaID DENSE FLUIDIZED BED AND AT A POSITION WHERE SAID GASEOUS FEED WILL ENTER SAID DENSE FLUIDIZED BED AT LEAST SIX INCHES ABOVE THE HORIAONTAL GAS DISTRIBUTING PARTITION; (C) VALVED CONDUIT MEANS FOR DISCHARGING CONDENSED PARTICLES OF P2O5 UNDER FLUOSTATIC PRESSURE FROM SAID DENSE FLUIDIZED BED AND CONNECTED THROUGH THE WALL OF SaID VESSEL AT A POSITION WITHIN SAID UPPER COMPARTMENT BELOW THE UPPER LEVEL OF SAID SENSE FLUIDIZED BED;