Fluid distributing means for packed chambers

Claim 1

IN COMBINATION WITH A PACKET FLUID-SOLIDS CONTACTING CHAMBER HAVING AT LEAST ONE FLUID DISTRIBUTING MEANS POSITIONED BETWEEN PACKED ZONES THEREIN, AND WHICH MAY SERVE TO DISCHARGE A FLUID STREAM INTO ADMIXTURE WITH A SEPARATE FLUID MEDIUM PASSING CONTINUOUSLY THROUGH SUCH CHAMBER, AN IMPROVED FLUSHING TYPE OF FLUID DISTRIBUTOR UNIT, WHICH COMPRISES IN COMBINATION, (A) A HOLLOW GRID MEMBER HAVING A MULTIPLICITY OF SPACED APART, VERTICALLY DISPOSED, OPEN FLUID CHANNELS ADAPTED TO REDISTRIBUTE AND TO PASS FLUID AND PACKED SOLIDS MATERIAL THORUGH THE GRID MEMBER, (B) SAID GRID MEMBER IN ADDITION CONTAINING CONFINED INTERCONNECTED INTERNAL HORIZONTALLY DISPOSED PASSAGEWAY MEANS THEREIN AND BEING SIZED TO EXTEND LATERALLY ACROSS THE INTERNAL CROSS SECTION OF SAID CHAMBER, (C) FLUID CONDUIT MEANS CONNECTING FROM OUTSIDE THE CHAMBER WITH SAID INTERNAL FLUID PASSAGEWAY MEANS WITHIN SAID HOLLOW GRID MEMBER, AND (D) A MULTIPLICITY OF POROUS FLUID TRANSMITTING MEANS SPACED SUBSTANTIALLY UNIFORMLY WITHIN AND ACROSS EACH OF THE OPPOSING FACES OF SAID GRID MEMBER, WHEREBY FLUID MAY BE DISCHARGED FROM AND COLLECTED WITHIN SAID INTERCONNECTED PASSAGEWAY MEANS AND IN ADDITION WHEREBY FLUSHING OF SAID INTERNAL PASSAGEWAY MEANS MAY BE EFFECTED BY FLUID FLOW PASSING WITHIN SAID CHAMBER AND THROUGH SAID DISTRIBUTING UNIT WHEN THE LATTER IS NOT IN DISCHARGE OR WITHDRAWAL OPERATION.