Apparatus for removal by means of sluices of the gasification residues from spaces prevailing under increased pressure

Claim 1

APPARATUS FOR REMOVING FROM THE GASIFICATION CHAMBER THE SOLID RESIDUES IN THE GASIFICATION OF FINELY DIVIDED FUELS IN SUSPENSION IN A GAS CONTAINING OXYGEN COMPRISING: (A) A SLUICE SPACE ADAPTED TO HOLD WATER UNDER PRESSURE; (B) A WATER COOLED SHAFT ADAPTED TO BE CONNECTED TO SAID CHAMBER AND ADAPTED TO HOLD WATER UNDER PRESSURE; (C) A HOLLOW FLANGE CONSTITUTING AN ANNULAR CHAMBER SURROUNDING AND FIXED TO SAID SHAFT AT A TERMINUS THEREOF, SAID HOLLOW FLANGE CONNECTING SAID SHAFT TO SAID SLUICE SPACE SO THAT FLUID COMMUNICATION EXISTS BETWEEN SAID SHAFT AND SAID SLUICE SPACE; (D) A HARD RUBBER SEALING RING JOINED TO SAID FLANGE; (E) A PAIR OF SPACED COAXIAL SEALING PLATES ADAPTED FOR ENGAGEMENT WITH SAID SEALING RING TO PROVIDE A PAIR OF ANNULAR SEATINGS; (F) A SPRING FOR MAINTAINING SAID PLATES IN SPACED POSITION; (G) A KNEE LEVER FOR ENGAGING AND DISENGAGING SAID PLATES WITH SAID RING; (H) DUCTS IN SAID FLANGE POSITIONED BETWEEN THE ANNULAR SEATINS OF SAID PLATES AND LEADING TO SAID ANNULAR CHAMBER; AND (I) MEANS FOR SUPPLYING TO SAID ANNULAR CHAMBER WATER WHICH IS UNDER A PRESSURE HIGHER THAN THE PRESSURE OF THE WATER IN SAID SLUICE SPACE.