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    • 6. 发明专利
    • Preparation of solid particulate material
    • 固体颗粒材料的制备
    • JPS5729505A
    • 1982-02-17
    • JP9071681
    • 1981-06-12
    • Battelle Dev CorpMitsubishi Corp
    • RAMASUWAMI BUI RAAMANROBAATO II MARINJIYAA
    • B22F9/08B22F9/06B22F9/10
    • B22F9/10B22F2009/0812B22F2009/084B22F2009/0864B22F2009/0872
    • PURPOSE: To prepare solid particulate materials of various particle sizes by a method wherein a nonbroken cohesive flow of a melt of a solidifyable material is broken into a particulate material by contacting it with a rotating cooling liquid disposed under a centrifugal force, and the particulate material is cooled rapidly.
      CONSTITUTION: A molten material 22 is a material which has a surface tension of 10W2,500dyn/cm and a viscosity of 10
      -3 W1 poise at a temperature (in °K) corresponding to 25% of its equilibrium melting point. A cooling fluid 29 being in a substantially liquid state is placed in a cup-shaped member 11 and the member 11 is rotated by a shaft 12 to generate a centrifugal force, thereby causing the fluid 29 to become the rotating cooling fluid which forms a lining on the wall and adheres to the side wall 15 of the member 11. The molten material 22 in a container 18 fitted with a heater 21 is applied with a gas pressure P if required and is caused to flow through an orifice 20 to break it into spherical particles and a particulate material, and the particles and particulate material are contacted to the fluid 29 on the wall 15 and is cooled rapidly in the fluid 29. After a batch process is completed, the rotation of the member 11 is stopped, a screw at a through hole 17 provided at a bottom part 13 is removed and the solid particulate material is discharged together with the fluid 29.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:通过一种方法制备各种粒径的固体颗粒材料,其中可固化材料的熔体的不间断的内聚流体通过与设置在离心力下的旋转冷却液接触而破碎成颗粒材料,并且颗粒材料 快速冷却 构成:熔融材料22是在对应于其平衡熔融的25%的温度(以deg.K计)的表面张力为10-2,500dyn / cm,粘度为10 -3 -1泊的材料 点。 处于基本液态的冷却流体29被放置在杯状构件11中,并且构件11被轴12旋转以产生离心力,从而使流体29变成形成内衬的旋转冷却流体 在壁上并粘附到构件11的侧壁15.如果需要,装配有加热器21的容器18中的熔融材料22被施加气体压力P,并且使其流过孔20以将其分解成 球形颗粒和颗粒材料,并且颗粒和颗粒材料与壁15上的流体29接触并在流体29中快速冷却。批量处理完成后,使构件11的旋转停止,螺杆 在设置在底部13处的通孔17处被移除,并且固体颗粒材料与流体29一起排出。