Title:
原料供給装置および供給方法
Document Type and Number:
Japanese Patent JP6894974
Kind Code:
B2
Abstract:
A material feeding apparatus is disclosed. An apparatus for removing a surface oxide of a metal material and feeding the metal material to a melting furnace, according to an embodiment of the present disclosure, includes: a housing including a material dropping chamber for feeding and discharging the metal material and a material etching chamber for performing a plasma etching process; and a pretreatment casing configured to reciprocate between the material dropping chamber and the material etching chamber in the housing, wherein the pretreatment casing receives the metal material from the material dropping chamber to store the metal material, moves to the material etching chamber to plasma-etch a surface oxide layer of the stored metal material, and then returns to the material dropping chamber to drop the etched metal material into the melting furnace.
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Inventors:
Im, seungho
Kim, Gufa
Nam, Kyung Hoon
Park, Yong Sung
Kim, Gufa
Nam, Kyung Hoon
Park, Yong Sung
Application Number:
JP2019532676A
Publication Date:
June 30, 2021
Filing Date:
August 24, 2017
Export Citation:
Assignee:
POSCO
International Classes:
F27D13/00; B22F1/145; F27D3/10
Domestic Patent References:
| JP2014527577A | ||||
| JP2009161855A | ||||
| JP2015151586A | ||||
| JP2001229921A |
Foreign References:
| WO2016014547A1 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Masakazu Ito
Yuko Hara
Masakazu Ito
Yuko Hara