FIELD: metallurgy.
SUBSTANCE: method consists in preparation of thermite mixture containing scale, aluminium chips and modifiers, in loading mixture into refractory tank, in activating it with igniting and in reducing reaction producing liquid metal and slag. Also thermite mixture is loaded into the refractory tank continuously in form of supply of a continuous compacted core. The method is implemented at the aggregate consisting of the installation for continuous compaction of the core out of thermite mixture and its supply into a reaction chamber of spherical shape; the chamber consists of a case with two notches arranged at different levels, of a removable cover with a port for receiving the continuous compacted core out of thermite mixture and of an actuator for core ignition. Also installation for continuous compaction is made with reverse supply of the core into the chamber. The invention facilitates continuous supply of materials of thermite core into a zone of reaction.
EFFECT: increased share of reduced iron and increased efficiency of process.
1 dwg
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Authors
Dates
2009-09-10—Published
2007-09-27—Filed