System for directly from ammonium tungstate solution preparation pyrochlore type tungsten oxide

The utility model provides a system for directly from ammonium tungstate solution preparation pyrochlore type tungsten oxide, includes: ammonium tungstate slurry preparation device, it has, and ammonium tungstate solution adds mouthful, pyrochlore type tungsten oxide crystal seed adds mouthful, other ammonium salts add mouthful, the export of ammonium tungstate thick liquid, reaction vessel, it is located the low reaches of ammonium tungstate slurry preparation device, with ammonium tungstate slurry preparation device intercommunication, cooling and solid -liquid separation equipment, it is located reaction vessel's low reaches, with the reaction vessel intercommunication, solid washing drying device, it is located cooling and solid -liquid separation equipment's low reaches, with cooling and solid -liquid separation equipment intercommunication have scrubber and desicator, and sorting unit, its low reaches that are located the desicator have export of crystal seed feedback and the export of pyrochlore type t