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    • 6. 发明公开
    • METHOD FOR PRODUCING FINE PARTICLES AND APPARATUS FOR PRODUCING FINE PARTICLES
    • 生产精细颗粒的方法和生产精细颗粒的设备
    • EP2822679A1
    • 2015-01-14
    • EP13757347.3
    • 2013-02-28
    • Ricoh Company, Ltd.
    • NORIKANE, YoshihiroTAKAHASHI, SatoshiOHGAKI, MasaruMULWA, Andrew Mwaniki
    • B01J2/04G03G9/087
    • B01J2/06B01J2/04B01J2/18G03G9/0802G03G9/0804
    • A method for producing fine particles, including: discharging a fine particle material liquid, where solid materials to be formed into fine particles are dissolved or dispersed in a solvent or are melted, from two or more discharge holes in a downward vertical direction, to thereby form liquid droplets; and solidifying the liquid droplets discharged to form fine particles, wherein in the discharging a fine particle material liquid, gas flow is supplied at angle of greater than 0° but 90° or smaller to the downward vertical direction, and wherein an initial discharge velocity of the liquid droplets discharged from the discharge hole located at an upstream side of the gas flow in a flowing direction thereof is equal to or higher than an initial discharge velocity of the liquid droplets discharged from the discharge hole located at a downstream side of the gas flow in the flowing direction thereof.
    • 一种微细粒子的制造方法,其特征在于,从2个以上的排出孔向铅直方向下方排出微粒原料液,使形成为微粒的固体成分溶解或分散在溶剂中或熔融后, 形成液滴; 并使排出的液滴凝固成细颗粒,其中在排出细颗粒材料液体时,向下垂直方向以大于0°但小于等于90°的角度供给气流,并且其中初始排出速度为 从位于气流的流动方向上游侧的排出孔排出的液滴等于或高于从位于气流下游侧的排出孔排出的液滴的初始排出速度 在其流动方向上。