How to avoid contact between oxygen and molten metal

Details How to avoid contact between oxygen and molten metal How to avoid contact between oxygen and molten metal

B - Operations, Transporting

22

D

B22D 11/06 (2006.01)

Patent

CA 2281703

According to the suggested method for avoiding contact between oxygen and molten metal during the casting process, said metal (20) pours in the form of billet into a casting chamber limited by walls (1, 2, 13). In order to avoid any contact between oxygen and molten metal and thereby to entirely prevent reoxydation, the oxygen trying to penetrate between the walls and/or adhering to them (1,2) is sucked up through possible splits (18).

Selon le procédé proposé pour éviter le contact entre oxygène et métal en fusion en phase de coulée, ledit métal (20) se déverse sous forme de billette dans une chambre de coulée délimitée par des parois (1, 2, 13). Pour éviter tout contat entre oxygène et métal en fusion et ainsi prévenir entièrement une réoxydation, on aspire par des fentes éventuelles (18) l'oxygène tentant de pénétrer entre les parois et/ou adhérant à celles-ci (1, 2).

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