FIELD: metallurgy. SUBSTANCE: apparatus contains gas-admission chamber having inlet port and at least one outlet port each one having an elongated rod hermetically attached to port which reaches gas-delivery opening of injector. Elongated rod is made of substantially gas- impermeable refractory material and has at least one longitudinal axially disposed gas channel communicating with gas-discharge chamber. Each chamber encloses multi-passage blocks with capillary channels so that, during the process, smelt as a matter of fact cannot penetrate certain or each channel. Multi-passage block with capillary channels and compressible sealing connector are built in into refractory body of injector so ensuring safety for discharge end of multi-passage block. EFFECT: facilitated blowing operation.
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|---|---|---|---|
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