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    • 1. 发明授权
    • Device for solidifying the surfaces of drops
    • 用于固化墨滴表面的装置
    • EP2390231B9
    • 2013-12-25
    • EP11175256.4
    • 2004-10-15
    • Nuclear Fuel Industries, Ltd.
    • OKUBO, KazutoshiTAKAHASHI, MasashiTAKAYAMA, TomooNISHIMURA, KazuhisaHONDA, Masaki
    • C01G43/00B01J2/06
    • G01F22/00B01J2/06C01G43/00C01G43/01C01P2004/32
    • This invention provides a dripping nozzle device to produce ADU particles with good sphericity, a device for recovering a feedstock liquid to prepare a uniform feedstock liquid, a device for supplying a feedstock liquid to form drops with a uniform volume, a device for solidifying the surfaces of drops so that the drops will not deform easily when they fall onto and hit the surface of an aqueous ammonia solution, a device for circulating an aqueous ammonia solution so that the uranyl nitrate in the drops can be changed to ammonium diuranate completely, to such an extent that uranyl nitrate in the center of each drop is changed to ammonium diuranate, and an apparatus for producing ammonium diuranate particles with good sphericity. The dripping nozzle device is provided with a single vibrator to vibrate nozzles simultaneously. The device for recovering a feedstock liquid recovers the feedstock liquid remaining in the nozzles and mixes it with a fresh feedstock liquid. The device for supplying a feedstock liquid is provided with a light irradiator for irradiating falling drops with light. The device for solidifying the surfaces of drops sprays ammonia gas over each of the paths along which the drops dripping from the nozzles fall. The device for circulating an aqueous ammonia solution enables drops to flow upward in the aqueous ammonia solution in the aqueous ammonia solution reservoir. The apparatus for producing ammonium diuranate utilizes these devices.
    • 本发明提供了一种用于生产具有良好球形度的ADU颗粒的滴落喷嘴装置,一种用于回收原料液体以制备均匀原料液体的装置,一种用于供应原料液体以形成具有均匀体积的液滴的装置,一种用于固化表面的装置 使滴落物滴落到氨水溶液的表面上时不容易变形,使氨水溶液循环的装置使滴剂中的硝酸铀酰硝酸盐完全转化为重铀酸铵, 各滴中心的硝酸铀酰变为重铀酸铵的程度,以及球形度良好的重铀酸铵粒子的制造装置。 滴嘴装置设有单个振动器以同时振动喷嘴。 用于回收原料液体的装置回收留在喷嘴中的原料液体并将其与新鲜原料液体混合。 用于供给原料液体的装置设置有用于照射落下的光滴的光照射器。 用于固化液滴表面的装置将氨气喷射到从喷嘴滴下的液滴落下的每个路径上。 用于使氨水溶液循环的装置能够使滴在氨水溶液储存器中的氨水溶液中向上流动。 生产重铀酸铵的装置利用这些装置。