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1. MX2011001248 - METODO PARA CONTROL DE ESCORIA ESPUMOSA EN MASA FUNDIDA INOXIDABLE EN HORNO DE ARCO ELECTRICO.

Amt
Mexiko
Aktenzeichen/Anmeldenummer 2011001248
Anmeldedatum 01.02.2011
Veröffentlichungsnummer 2011001248
Veröffentlichungsdatum 25.03.2011
Veröffentlichungsart A
IPC
C21C 5/52
CSektion C Chemie; Hüttenwesen
21Eisenhüttenwesen
CWeiterverarbeiten von Roheisen, z.B. Feinen, Herstellen von Schweißeisen oder Stahl; Behandeln von eisenhaltigen Legierungen im geschmolzenen Zustand
5Herstellen von Kohlenstoffstahl, z.B. von unlegiertem Stahl mit niedrigem oder mittlerem Kohlenstoffgehalt, oder von Gussstahl
52Stahlherstellung in Elektroöfen
CPC
C21C 5/5264
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
5Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel ; or stainless steel
52Manufacture of steel in electric furnaces
5264Manufacture of alloyed steels including ferro-alloys
C21C 5/527
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
5Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel ; or stainless steel
52Manufacture of steel in electric furnaces
527Charging of the electric furnace
C21C 2005/5288
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
5Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel ; or stainless steel
52Manufacture of steel in electric furnaces
5288Measuring or sampling devices
C21C 2300/02
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
2300Process aspects
02Foam creation
F27B 3/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
3Hearth-type furnaces, e.g. of reverberatory type
08heated electrically, with or without any other source of heat
F27D 19/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
19Arrangements of controlling devices
Anmelder SMS SIEMAG AKTIENGESELLSCHAFT
Erfinder Johann REICHEL
Prioritätsdaten 102008045054 26.08.2008 DE
Titel
(ES) METODO PARA CONTROL DE ESCORIA ESPUMOSA EN MASA FUNDIDA INOXIDABLE EN HORNO DE ARCO ELECTRICO.
Zusammenfassung
(EN)
The invention relates to a method for controlling the foamed slag in a stainless melt in an electric arc furnace.  According to the invention, the height of the slag in the electric arc furnace is thermographically detected continuously as a function of time and slag height and the addition of foaming material is controlled according to the temperature and the temperature gradient.