Posco

Kyung Hoon Nam

Yong Hwa Jung

Tae Yeob Kim

Goo Hwa Kim

Seung Ho Lim

Yeong Seon Park

Sang Cheol Lee

Gwang Seok Kim

Young Jin Kwak

Woo Sung Jung

Sang Hoon Park

Dong Yoeul Lee

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.

Apparatus and method for feeding material

Growing community of inventors

Gwangyang-si, South Korea

Kyung Hoon Nam