Low-carbon and low-silicon steel deoxidation process
A low-carbon, low-silicon, high-tech technology, applied in the manufacture of converters, etc., can solve the problems of difficult removal of deoxidized products, surface quality of floc production accidents, etc., and achieve the effect of low price and reduced production cost
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[0014] The present invention is described in detail below in conjunction with embodiment:
[0015] In the present embodiment, the steel output of the converter is 125 tons, the temperature of the end point of the converter is 1620° C., the oxygen of the end point is 600 ppm, and the carbon of the end point is 0.05 percent; Add 200kg of aluminum and iron (according to 1.6kg / ton of steel of aluminum and iron), the temperature of the ladle after argon gas stirring at the argon blowing station is 1578°C, the oxygen of the ladle is 20ppm, and the carbon of the ladle is 0.05%; After opening to the argon blowing station, the bottom blowing argon flow rate is 60NL / min.
[0016] The effect of this embodiment: the SPHC steel grade reduces aluminum and iron by 0.235kg / t, and the consumption of carbon powder increases by 0.16kg / t. According to the unit price of aluminum and iron of 9550 yuan / ton and carbon powder of 1538 yuan / ton, the cost saving per ton of steel is 0.235kg / ton t×9550 yu...
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Abstract
Description
Claims
Application Information
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