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Nonferrous topics such as copper and aluminum, annealing, etc. go here.

TOPIC: Oxygen in molten copper

Oxygen in molten copper 2 years 11 months ago #1663

Which is the best way to reduce oxygen in molten copper from say about 1500 ppm to normal range in the holding furnace, other then using wooden logs.(CCCR)

Best Regards
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Re: Oxygen in molten copper 2 years 11 months ago #1664

Hello Iftar,

I suggest you discuss other options with the Hazelett Strip-Casting Corporation
www.hazelett.com/
www.hazelett.com/casting_machines/copper.../contirod_plants.php

Kindest regards,
Peter J. Stewart-Hay
Principal
Stewart-Hay Associates
www.Stewart-Hay.com
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Re: Oxygen in molten copper 2 years 11 months ago #1665

Are you are having a lot of problems with your start up?

Moderators Note
We have adjusted your statement pertaining to Ifthar's location and country. The only person that can divulge that information here is Ifthar himself.
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Re: Oxygen in molten copper 2 years 11 months ago #1666

Hello Ifthar,
I think you should concentrate more on the combustion ratio to control the oxygen content in the molten copper also at the same time see to it that because of rich combustion ratio, the hydrocarbons generated in the molten metal will not effect the sound casting. If there are excess hydrocarbons in molten metal than it will lead to form blow holes in the cast bar. Overheating of the molten metal with a rich combustion ratio flame will reduce the oxygen content and if you can churn or stir the metal than oxygen level will go down faster. If it is at all possible than try to churn the molten metal with the help of racking tool.

Milind Haldankar
Production Manager
ACL Metals & Alloys Pvt Ltd, Sri Lanka.
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