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It is identified as one of the key metallurgical tool for economical stainless steel making process.
Features
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Suitable for production of all grades of Stainless Steel. |
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Process is highly predictable and reproducible. |
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Gas mixing station is microprocessor based with a computer station that promotes fast decarburization and reduction. |
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High recoveries of alloying elements like Cr & Mn. |
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Lower gases and non-metallic inclusions. |
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Accurate flow measurement compensated for pressure & temperature variation helps reduce the use of ferrosilicon & oxygen. |
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UPS backup in case of power failure. |
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Overall process display & recording enables modification of process parameters. |
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Online print-out of recordable data of gas flow/pressure helps in monitoring, comparing & costing. |
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Top lance helps reduce oxidation time. |
Principle of AOD converter operation
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In MRK Operation, dilution of the oxygen by the inert gas lowers the partial pressure of carbon monoxide. This favors carbon removal and diminishes metallic oxidation. |
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There are three stages for Stainless Steel production in MRK Vessel.
- Decarburization
- Reduction/Desulphurization
- Trimming |
Benefits
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Degassing due to vigorous stirring of bath by blowing of inert gas & generation of carbon monoxide gas during decarburization. |
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Low amount of residual oxygen, hydrogen and nitrogen. |
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High metallic yield. |
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Achieving lower carbon specification without excessive metallic oxidation. |
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