Foreign substance capture apparatus and facility for manufacturing electrical steel sheet including same

A foreign object capturing device comprising:

• a captured body unit having an inlet through which air containing magnetic foreign objects enters and an outlet through which air with magnetic foreign objects removed is discharged;
• and
• a magnetic separation unit including magnetic members, which are linked to the captured body unit and separate magnetic foreign objects from air flowing in the captured body unit using attraction, and having a nonmagnetic member surrounding the magnetic members,
• wherein the nonmagnetic member includes:
• a nonmagnetic plate portion coupled to the captured body unit and made of a nonmagnetic material;
• and
• a reception pipe portion coupled to the nonmagnetic plate portion, provided as a plurality of pipe members to correspond to the magnetic members provided as a plurality of columns, and made of a nonmagnetic material, and
• wherein the reception pipe portion have an anti-drag tap formed to protrude circumferentially on an external surface of the reception pipe portion.