Device for mixing and dissolving solid in aliquid in particular for the production of phosphonitrogenous ferttilizers

The invention concerns a device for mixing and dissolving in a liquid (L) solid prills or particles (G) of a substance soluble in said liquid but having a density lower than that of the liquid, and in particular for preparing a sulpho-ureic reagent corroding natural phosphates to produce phosphonitr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIMOUSIN LAURENT, PEUDPIECE JEAN BERNARD
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FERTILISERS MANUFACTURE THEREOF METALLURGY MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NITROGENOUS FERTILISERS PERFORMING OPERATIONS PHOSPHATIC FERTILISERS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention concerns a device for mixing and dissolving in a liquid (L) solid prills or particles (G) of a substance soluble in said liquid but having a density lower than that of the liquid, and in particular for preparing a sulpho-ureic reagent corroding natural phosphates to produce phosphonitrate fertilisers. The device comprises a vat (2) containing first stirring means (A1) for driving the solid prills towards the vat (2) lower part, and second stirring means (A2) for generating in the reaction mixture a movement for dissolving the prills, in particular a shearing motion.