IT948948B - Procedimento e dispositivo per evitare la formazione di punti caldi nei forni ad arco - Google Patents

Procedimento e dispositivo per evitare la formazione di punti caldi nei forni ad arco

Info

Publication number
IT948948B
IT948948B IT67246/72A IT6724672A IT948948B IT 948948 B IT948948 B IT 948948B IT 67246/72 A IT67246/72 A IT 67246/72A IT 6724672 A IT6724672 A IT 6724672A IT 948948 B IT948948 B IT 948948B
Authority
IT
Italy
Prior art keywords
procedure
avoid
formation
hot spots
arc furnaces
Prior art date
Application number
IT67246/72A
Other languages
English (en)
Italian (it)
Original Assignee
Daido Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daido Steel Co Ltd filed Critical Daido Steel Co Ltd
Application granted granted Critical
Publication of IT948948B publication Critical patent/IT948948B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D11/00—Arrangement of elements for electric heating in or on furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0014—Devices for monitoring temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/004—Cooling of furnaces the cooling medium passing a waterbox
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0021—Arc heating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
IT67246/72A 1971-02-02 1972-01-28 Procedimento e dispositivo per evitare la formazione di punti caldi nei forni ad arco IT948948B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46003590A JPS5118882B1 (de) 1971-02-02 1971-02-02

Publications (1)

Publication Number Publication Date
IT948948B true IT948948B (it) 1973-06-11

Family

ID=11561662

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67246/72A IT948948B (it) 1971-02-02 1972-01-28 Procedimento e dispositivo per evitare la formazione di punti caldi nei forni ad arco

Country Status (4)

Country Link
US (1) US3743752A (de)
JP (1) JPS5118882B1 (de)
DE (1) DE2204882B2 (de)
IT (1) IT948948B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE397685B (sv) * 1973-04-05 1977-11-14 Asea Ab Likstromljusbagsugn med startelektrod
SE372404B (de) * 1973-04-19 1974-12-16 Asea Ab
JPS5414745B2 (de) * 1974-05-02 1979-06-09
US3956572A (en) * 1975-03-11 1976-05-11 Pennsylvania Engineering Corporation Cooling means for electric arc furnaces
SE396531B (sv) * 1975-11-06 1977-09-19 Asea Ab Anordning vid likstromsmatade ljusbagsugnar
FR2486346A1 (fr) * 1980-07-01 1982-01-08 Clesid Sa Four electrique a arcs a conduite guidee
DE3103883C2 (de) * 1981-02-05 1983-01-20 Krupp Stahl Ag, 4630 Bochum Verfahren zur Unterdrückung von überhitzten Stellen in kühlmitteldurchflossenen Wand- oder Deckenelementen eines Elektrolichtbogenofens
DE19529924C1 (de) * 1995-08-01 1996-10-31 Mannesmann Ag Lichtbogenofen und Verfahren zur Vermeidung von Überhitzungen der Ofenwand
DE19711453C2 (de) * 1997-03-19 1999-02-25 Siemens Ag Verfahren zur Regelung bzw. Steuerung eines Schmelzprozesses in einem Drehstrom-Lichtbogenofen
NO312770B1 (no) * 2000-11-13 2002-07-01 Elkem Materials Fremgangsmåte for å kontrollere temperatur på komponenter i höytemperaturreaktorer
US11175094B2 (en) 2018-10-08 2021-11-16 Systems Spray-Cooled, Inc. Dynamic cooling of a metallurgical furnace

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3183294A (en) * 1962-04-09 1965-05-11 Ohio Crankshaft Co Temperature control apparatus
US3190626A (en) * 1962-10-01 1965-06-22 Union Carbide Corp Support means for a refractory lined furnace
GB1263468A (en) * 1968-05-14 1972-02-09 Associate Electrical Ind Ltd Improvements relating to control arrangements for electro-slag refining apparatus

Also Published As

Publication number Publication date
JPS5118882B1 (de) 1976-06-14
DE2204882B2 (de) 1977-04-14
DE2204882A1 (de) 1972-08-03
US3743752A (en) 1973-07-03

Similar Documents

Publication Publication Date Title
IT952348B (it) Attacco per l unione di lenza e setale
IT970401B (it) Procedimento per la produzione di gas riducente e suo impiego in altoforno
CA948221A (en) Thermal treatment of electromelted refractory materials
BE779390A (fr) Nouvelles pyridazinones et leur preparation
IT948203B (it) Perfezionamento nei forni ad alta frequenza
IT952465B (it) Composizione di trasferimento di calore
IT948948B (it) Procedimento e dispositivo per evitare la formazione di punti caldi nei forni ad arco
IT996612B (it) Ugello di insufflazione per forni metallurgici e simili
IT946387B (it) Composizione refrattaria etero genea
IT965376B (it) Perfezionamento nei forni di ricottura e procedimento di funzionamento
AT305665B (de) Induktionsofen
IT952012B (it) Perfezionamento nei dispositivi ferma scorte per siviere forni e simili
IT957752B (it) Perfezionamento nei forni al plasma
CH499761A (de) Wärmebehandlungsofen
BE782849A (fr) Nouvelles triazolobenzodiazepines et leur preparation
BE782848A (fr) Nouvelles triazolobenzodiazepines substituees et leur preparation
FI53790B (fi) Foerfarande och anordning foer styrd gjutning av en form med smaelt metall
IT972353B (it) Perfezionamento nei dispositivi di riscaldamento ad induzione
IT939496B (it) Perfezionamento nei forni elettrici ad arco e plasma
IT959863B (it) Refrattario basico combusto e carica relativa
IT952713B (it) Procedimento ed apparecchio per la preparazione di composizioni combustibili per cannelli o bruciatori
IT952832B (it) Perfezionamento nei forni per vetro tirato
IT965220B (it) Perfezionamento nei refrattari
IT957898B (it) Perfezionamento nei forni metallur gici elettrici
IT954301B (it) Composizione disinfestante e rela tivo procedimento di produzione e di impiego