FIELD: metallurgy.
SUBSTANCE: invention refers to metallurgy and can be used for fabricating of metallurgical briquettes which are effective substitutes of coke in blast and cupola iron production. The mixture is prepared which includes 94-98 mas.% of filling compound - a carbon containing material, and the rest is a binding material such as an activated aluminium- boron- phosphate concentrate. Then forming of mixture is performed in an accessory under pressure and vibration. Activation of the aluminium- boron- phosphate concentrate is performed before immediate preparation of mixture by means of the binding material treatment with nano second electromagnetic impulses of 0.5-0.8 MW power.
EFFECT: invention upgrades quality of metallurgical briquettes due to their increased strength characteristics at a minimal quantity of a binding material and at a considerable reduction of time for briquette fabrication owing to briquettes self hardening and avoiding thermal treatment.
2 tbl, 2 ex
