FIELD: metallurgy.
SUBSTANCE: device consists of hopper for thermite mixture, of metering device connected to hopper, of removable cover with hole, of screw and of refractory nozzle. Notches for removal of slag and metal arranged on different levels are made in a reaction chamber. The refractory nozzle has taper of 0.5°-15°, its lower edge is below level of the notch for slag removal. Thermite mixture flows through a gap between the screw and internal wall of the metering device and is packed. The packed core is ignited. Slag and metal not contacting environment are produced due to reducing reaction.
EFFECT: increased output of accepted steel at its reduction from wastes of metallurgical production.
1 dwg
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