Distributor for particle-form material

Claim 1

IN COMBINATION, WALLS DEFINING A COMBUSTION SPACE, A MULTIPLICITY OF BURNERS ARRANGED TO DISCHARGE COMBUSTION GASES INTO SAID SPACE, AND MEANS FOR DELIVERING PARTICLE-FORM FUEL TO SAID BURNERS COMPRISING A PULVERIZER, A SOURCE OF AIR, MEANS FOR DELIVERING RAW SOLID FUEL TO SAID PULVERIZER FOR CONVERTING SAID RAW COAL FUEL INTO PARTICLEFROM MATERIAL TO BE CARRIED TO SAID BURNERS IN SUSPENSION STREAMS COMPRISING A DISTRIBUTOR DISPOSED ADJACENT THE FROM SAID PULVERIZER INTO A PLURALITY OF EQUAL DENSITY STREAMS COMPRISING A DISTRIBUTOR DISPOSED ADJACENT THE WALLS OF SAID FURNACE CHAMBER AND NEAR TO SAID BURNERS, SAID DISTRIBUTOR INCLUDING WALLS DEFINING A SUBSTANTIALLY UNOBSTRUCTED VERTICALLY DISPOSED CYLINDRICAL MIXING CHAMBER, A BOTTOM CLOSURE FOR SAID CHAMBER INCLUDING MEANS FORMING A CENTRALLY DISPOSED INLET FOR THE INTRODUCTION OF A JET OF SAID FUEL AND SAID AIR AXIALLY INTO SAID CHAMBER, THE DIMENSIONS OF SAID CHAMBER BEING SUCH THAT SAID JET IS SUBSTANTIALLY COMPLETELY DISSIPATED WITHIN SAID CHAMBER, A TOP CLOSURE FOR SAID CHAMBER FORMED WITH A CENTRALLY DISPOSED DISCHARGE OPENING, WALLS DEFINING A TRANSITION ZONE DISPOSED CO-AXIALLY WITH AND IMMEDIATELY ABOVE SAID MIXING CHAMBER AND BEING SYMMETRICALLY ARRANGED ABOUT ITS VERTICAL AXIS, A DOWNWARDLY EXTENDING CONDUIT CONNECTED TO THE LOWER END OF SAID TRANSITION ZONE AND EXTENDING DOWNWARDLY THROUGH SAID DISCHARGE OPENING AND INTO SAID CHAMBER TO FORMA RE-ENTRANT OUTLET THEREFROM, AND A PLURALITY OF SPACED OUTLET CONDUITS CONNECTED TO SAID BURNERS AND OPENING INTO AND SYMMETRICALLY ARRANGED ABOUT THE VERTICAL AXIS OF SAID TRANSITION ZONE, THE COMBINED CROSS-SECTIONAL FLOW AREA OF SAID OUTLET CONDUITS BEING SUBSTANTIALLY EQUAL TO THE AREA OF SAID INLET.