B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
117/45, 32/64
B05B 13/00 (2006.01) B01F 5/20 (2006.01) B01J 2/00 (2006.01) B05D 1/02 (2006.01)
Patent
CA 2011058
ABSTRACT The invention relates to an apparatus for continuous impregnation of granular products by spraying. The apparatus is characterised in that it comprises a sheath or conduit with its axis vertical, open at its lower end (1) and having at its upper part an inlet orifice (2) for granular products to be impregnated, a chicane arrangement (3 to 5) disposed inside the conduit below the said orifice (2) and arranged to constrain the said products so as to flow out under gravity in a vertical tubular column (N) in the interior of the conduit (1), and a plurality of injectors (6) fixed to the wall of the conduit, directed towards its centre and able to project in the form of a mist a liquid or slightly pasty product for treatment or addition to the granular product. Optionally, a tubular guide (9) is fitted in the conduit to shape the column and prevent the spray form the jets crossing the conduit. A particular application is to the impregnation of granulation chemical fertilisiers. Sole Fig.
G. Ronald Bell & Associates
Gillet Marcel
Phosyn Group Limited
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