Home Solutions (VD, VOD)Vacuum and Oxygen Degasser

(VD, VOD)Vacuum and Oxygen Degasser

(VD, VOD)Vacuum and Oxygen Degasser

Extensive decarburization is achievable with a Vacuum Oxygen Decarburization (VOD) unit. The unit is basically a tank degasser equipped with an oxygen lance, but specifically configured to withstand the heat load from an intense CO emission.

It is normally used for deep decarburization of highalloy steel grades, usually to remove carbon without affecting chromium content in the roduction of stainless steel grades. The VOD unit can be operated as the sole decarburization unit after the furnace (DUPLEX process) or as a refining stage after rough decarburization with an AOD unit (TRIPLEX process).

 

1. VOD molten steel zone working lining:  Under vacuum conditions, always being eroded and attacked by high alkaline packed-slag molten steel, high Chrome Rebounded Fused Magnesite Chrome Brick (RMK), Direct-bonded magnesite-chrome Bricks (DMK) and MD products are recommended.

2. VOD slag line zone working lining:  Always being attacked by high alkaline slag and strong vacuum damage and severe temperature changes, MD and RMK products are recommended.

3. VOD furnace bottom zone working lining:  Under vacuum and bottom Argon spray working conditions and always being eroded by strong current of packed-slag molten steel, and severe temperature changes damage, MD or high Chrome RMK Products are recommended.

4. VOD furnace free zone:  Working conditions are relatively mild but always being damaged by vacuum conditions, temperature changes and high alkaline slag attack, MD or higher Chrome DMK products are recommended.

5. VOD safety linings:  Provide last protection for DEGASSER safety production, medium grade of DMK, Pure Magnesia brick (PMZ) or HA products are recommended. 

VOD refractories

OSYMEN Brand

MD | DMK

MD | RMK

MD | DMK | RMK

MD |  RMK

DMK MZ+HA

Application

Free zone

Slag zone

Metal zone

Bottom

Permanent liner

Color

 

 

 

 

 

 

 

Products

Last updated: 2024-01-03
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