Title:
乾式粉砕装置
Document Type and Number:
Japanese Patent JP6790929
Kind Code:
B2
Abstract:
The utility model provides a dry grinding device, it utilizes compressed gas transport powder, make the powder with the collision of collision component and smash, even if also restrain under the operation of duplicating device and the condition about stopping and perforating at powder receiving unit's outer peripheral face, makes production efficiency improve. Dry grinding device possesses the nozzle that sprays compressed gas, with the accelerated accelerating tube of powder, its kibbling collision plate is collided and made with the powder, the hierarchical hierarchical mechanism of powder after will smashing, make not kibbling powder pile up the hourglass hopper -shaped's around the nozzle powder receiving unit, make auxiliary gas pile up in the auxiliary gas flow path of powder receiving unit's powder with the inside to the accelerating tube is leading -in along the outer peripheral face flow of nozzle, the outer peripheral face that surrounds powder receiving unit just communicates and possesses the auxiliary gas room of auxiliary gas supply port, its characterized in that with the auxiliary gas flow path to the mode of surrounding powder receiving unit's outer peripheral face is provided with round cylindrical cover, does not make the auxiliary gas of supply and powder receiving unit's outer peripheral face direct impact.
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Inventors:
Mountain road Daisuke
Application Number:
JP2017045870A
Publication Date:
November 25, 2020
Filing Date:
March 10, 2017
Export Citation:
Assignee:
Hitachi Metals Co., Ltd.
International Classes:
B02C19/06
Domestic Patent References:
| JP10174896A | ||||
| JP2002059024A | ||||
| JP10128146A | ||||
| JP61171552A |
Foreign References:
| CN103341384A |
Attorney, Agent or Firm:
Takaishi Tachibana
Kenji Takaishi
Kenji Takaishi