Apparatus for ammoniation of superphosphate

Claim 1

A DEVICE OF THE CLASS DESCRIBED WHICH COMPRISES IN COMBINATION A ROTARY CYLINDRICAL DRUM HAVING OPEN ENDS AND LENGTH SUBSTANTIALLY EQUAL TO ITS DIAMETER DISPOSED WITH ITS AXIS INCLINED FROM THE HORIZONTAL ABOUT 3 DEGREES; TWO RETAINING RINGS SINGLY DISPOSED AT THE ENDS OF THE DRUM; A STATIONARY MANIFOLD DISPOSED WITHIN THE DRUM AND ALONG THE AXIS THEREOF; A VALVED CONDUIT COMMUNICATING WITH THE INTERIOR OF THE MANIFOLD, ADAPTED TO INTRODUCE AMMONIATING FLUID INTO THE MANIFOLD AT CONTROLLED RATE; A DISTRIBUTING MEMBER COMPRISING A PIPE OF LENGTH SUBSTANTIALLY EQUAL TO THE LENGTH OF THE DRUM BETWEEN RETAINING RINGS DISPOSED WITHIN THE DRUM SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF, NEAR THE INNER SURFACE OF THE DRUM ABOUT 20 DEGREES TO 40 DEGREES FROM THE INTERSECTION OF A VERTICAL DIAMETER WITH THE BOTTOM OF THE DRUM IN THE DIRECTION OF ROTATION, THE PIPE HAVING CLOSED ENDS AND A SERIES OF OPENINGS ALONG ITS SIDE OPPOSITE TO THE DIRECTION OF ROTATION OF THE DRUM, THE SERIES OF OPENINGS INCREASING IN AREA FROM THE ENDS OF THE PIPE TO THE CENTER THEREOF, TWO OPPOSED PLATES OF LENGTH SUBSTANTIALLY EQUAL TO THAT OF THE PIPE ATTACHED TO THE PIPE ON EITHER SIDE OF THE SERIES OF OPENINGS AT CONVERGING ANGLES TO FORM A NARROW SLOT ALONG THE SIDE OF THE DISTRIBUTING MEMBER OPPOSITE TO THE DIRECTION OF ROTATION OF THE DRUM, AND SUPPLY TUBES DISPOSED TO COMMUNICATE WITH SAID MANIFOLD AND SAID PIPE; AND MEANS, COMPRISING A FAN, FOR PASSING A CURRENT OF AIR THROUGH SAID DRUM.

Claim 2

A DEVICE OF THE CLASS DESCRIBED WHICH COMPRISES IN COMBINATION A ROTARY CYLINDRICAL DRUM HAVING OPEN ENDS AND LENGTH SUBSTANTIALLY EQUAL TO ITS DIAMETER DISPOSED WITH ITS AXIS INCLINED FROM THE HORIZONTAL ABOUT 3 DEGREES; TWO RETAINING RINGS SINGLY DISPOSED AT THE ENDS OF THE DRUM; A STATIONARY MANIFOLD DISPOSED WITHIN THE DRUM AND ALONG THE AXIS THEREOF; A VALVED CONDUIT COMMUNICATING WITH THE INTERIOR OF THE MANIFOLD, ADAPTED TO INTRODUCE AMMONIATING FLUID INTO THE MANIFOLD AT CONTROLLED RATE; A DISTRIBUTING MEMBER COMPRISING A PIPE OF LENGTH SUBSTANTIALLY EQUAL TO THE LENGTH OF THE DRUM BETWEEN RETAINING RINGS DISPOSED WITHIN THE DRUM SUBSTANTIALLY PARALLEL TO THE AXIS THEREOF, NEAR THE INNER SURFACE OF THE DRUM ABOUT 20 DEGREES TO 40 DEGREES FROM THE INTERSECTION OF A VERTICAL DIAMETER WITH THE BOTTOM OF THE DRUM IN THE DIRECTION OF ROTATION, THE PIPE HAVING CLOSED ENDS AND A SERIES OF OPENINGS ALONG ITS SIDE OPPOSITE TO THE DIRECTION OF ROTATION OF THE DRUM, THE SERIES OF OPENINGS INCREASING IN AREA FROM THE ENDS OF THE PIPE TO THE CENTER THEREOF, TWO OPPOSED PLATES OF LENGTH SUBSTANTIALLY EQUAL TO THAT OF THE PIPE ATTACHED TO THE PIPE ON EITHER SIDE OF THE SERIES OF OPENINGS AT CONVERGING ANGLES TO FORM A NARROW SLOT ALONG THE SIDE OF THE DISTRIBUTING MEMBER OPPOSITE TO THE DIRECTION OF ROTATION OF THE DRUM, AND SUPPLY TUBES DISPOSED TO COMMUNICATE WITH SAID MANIFOLD AND SAID PIPE; AND MEANS, COMPRISING A FAN, FOR PASSING A CURRENT OF AIR THROUGH SAID DRUM.