FIELD: metallurgy.
SUBSTANCE: invention relates to metallurgy and can be used for bottom blowing of liquid metal by gas in ladle using two tuyeres in one socket unit. Blowing is performed through one tuyere at that working surface of one tuyere is processed with oxygen, through which blowing is performed at the following melting.
EFFECT: invention increases service life of the device for bottom blowing of liquid metal when melting steels with low content of non-metallic inclusions.
1 cl, 1 dwg
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