METHOD FOR MONITORING AND CONTROLLING OPERATION MODES OF VACUUM ELECTRIC ARC FURNACES

FIELD: metallurgy. ^ SUBSTANCE: method comprises steps of sampling intensity of constant magnetic field of solenoid supplied from HF-generator and electric current of arc discharge; inspecting natural frequency of crystallizer during melting process and changing magnetic field intensity according to...

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Bibliographische Detailangaben
Hauptverfasser:	VOJTENKO V.A, VOJTENKO A.V, TEL'MINOV M.M, FILIPPENKOV A.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RETORTS TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: metallurgy. ^ SUBSTANCE: method comprises steps of sampling intensity of constant magnetic field of solenoid supplied from HF-generator and electric current of arc discharge; inspecting natural frequency of crystallizer during melting process and changing magnetic field intensity according to given mathematical expression; lowering electric current of electric arc discharge and increasing power of HF-generator in proportion to change of natural frequency of crystallizer poured with melt during melting process. ^ EFFECT: enhanced quality of metal, lowered electric energy consumption. ^ 1 dwg