Nara Machinery Co., Ltd.

Yoshihiro Wakamatsu

Kenji Hamada

Shinichi Yamamoto

Yoshinori Hanada

Azusa Ichiki

Satoru Watano

Yorioki Nara

Yuko Nakahara

Provided is a powder and granular material crushing and sizing apparatus in which stators are easy to disassemble and assemble, i.e. in which disc-like rotors and stators can be cleaned and replaced easily. A drive shaft, on which a plurality of disc-like rotors are disposed, is supported in a cantilever manner on a bearing housing. A plurality of stators are disposed on a holder to make up a stator assembly. The stator assembly is detachably disposed in the bearing housing. An opening is formed in a side wall of the casing. The disc-like rotors and the stator assembly are housed via the opening, and the casing is detachably disposed on the bearing housing. ion.

Powder and granular material crushing and sizing apparatus

A powder based granules disintegrating and sizing device, includes: a drive shaft that is inserted horizontally in the casing main body; a plurality of circular plates that are fixedly supported at intervals by the drive shaft; and a stator, the plate surface of the circular plate and the inclined surface of the stator configuring a gap portion A where a powder based granules accumulates, and a narrowest gap portion between the circumferential edge of the circular plate and the stator configuring a disintegrating and sizing portion B. The stator stretches over the entire circumference of the circular plate, a raw material feeding port is provided on a side wall in the vicinity of the drive shaft of the casing main body, and a cutout portion through which a raw material passes is formed on the plate surface of the circular plate.

Powder based granules disintegrating and sizing device, and powder based granules disintegrating and sizing method

A powder based granules disintegrating and sizing device having a drive shaft in a horizontal direction inside a casing, a rotor fixed to the drive shaft, a sizing stator having an inclined surface, a gap section A where the powder based granules settles being formed by the plate surface of the rotor and the inclined surface of the sizing stator, and a disintegrating and sizing section B being formed by the narrowest gap section between the circumferential edge of the rotor and the sizing stator. The drive shaft is supported in a cantilever fashion, the rotor is fixed to an open side end portion thereof, the sizing stator is installed over the whole circumference of the rotor, a raw material supply port is opened in the vicinity of the central portion of the rotor, and a product output port is opened in the vicinity of position directly below the rotor.

Powder based granules disintegrating and sizing device

It is an object of the present invention to provide a particle crushing and sizing apparatus having a sufficiently wide particle crushing and sizing range, capable of being scaled down in size, and having high processing throughput. To achieve the object, a particle crushing and sizing apparatus has, in a casinga horizontally provided drive shafta plurality of circular platesfixedly supported with intervals at the drive shaftand statorsarranged so as to be opposed to plate facesat lower peripheral edges of the circular platesand each having inclined facesthat cause a gap between the plate facesof the circular platesto become narrower toward peripheral edges of the plate facesThe plate facesof the circular platesand the inclined facesof the statorsform gap portions A where particles are held, and particle crushing and sizing portions B are formed by the peripheral edges of the circular platesand narrowest gap portions between the peripheral edges of the circular platesand the inclined faces of the stators

Powder particle disintegrating and sizing apparatus

The present invention relates to a rotating fluidized bed apparatus for powder particle. A gas circulation path is formed at the periphery of the treatment chambervia the circumferential faceplate, and the circumferential faceplate is adapted to rotate around an axis. Behavior of powder particles can be controlled by introducing gas from the periphery of the treatment chamber via the circumferential plateto exert centripetal force on the powder particle, while exerting centrifugal force on the powder particles accompanying rotation of the circumferential plate. In another aspect, by making the arrangement proportion of the bag filterinside the treatment chamberwider than the surface width of the dispersion plateor larger than the surface area of the dispersion plate, it is possible to cause gas that has flowed into the treatment chamberto be discharged at a lower rate at an axial region inside the treatment chamberwhere centrifugal force is weak and discharge rate is fast. It is possible to carry out optimal operation control of introduction and discharge of gas for fluidized bed behavior.

Device for treating powder particles by rotary flow

The object is that of providing a granular material processing apparatus ( ) capable of evenly applying energy such as the compressive force and shearing force of pressers ( ), due to centrifugal force, while maintaining good circulation conditions for the swirl flow of granular material within a casing ( ) wherein, even in cases where granular material for which it is difficult to control the flow thereof in the casing ( ) is processed, this is not allowed to accumulate in once place within the casing ( ), but is moved to the entire interior wall thereof. In the cylindrical region formed in accordance with the revolution of the pressers ( ) in the casing ( ), an empty region ( ) is formed wherein there is no extension of a shaft ( ) etc., allowing for the formation of a center of swirl flow of the granular material; the rotation of the casing ( ) and the rotation of a rotor ( ) can be rotationally controlled in the same direction at differing speeds; and the pressers ( ) are horizontally supported in a cantilevered manner on the rotor ( ).

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Hokkaido, Japan

Yoshihiro Wakamatsu