CA1048091A - Protecting metal heating electrodes of melting furnaces with dc current and apparatus therefor - Google Patents

Protecting metal heating electrodes of melting furnaces with dc current and apparatus therefor

Info

Publication number
CA1048091A
CA1048091A CA225,885A CA225885A CA1048091A CA 1048091 A CA1048091 A CA 1048091A CA 225885 A CA225885 A CA 225885A CA 1048091 A CA1048091 A CA 1048091A
Authority
CA
Canada
Prior art keywords
current
melt
source
heating electrodes
electrodes
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA225,885A
Other languages
English (en)
French (fr)
Other versions
CA225885S (en
Inventor
Vaclav Susser
Zdenek Habrman
Ivan Ladr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Statni Vyzkumny Ustav Sklarsky
Original Assignee
Statni Vyzkumny Ustav Sklarsky
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 Statni Vyzkumny Ustav Sklarsky filed Critical Statni Vyzkumny Ustav Sklarsky
Application granted granted Critical
Publication of CA1048091A publication Critical patent/CA1048091A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/005—Anodic protection
    • 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
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/02—Details
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • 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
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Furnace Details (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Resistance Heating (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Glass Compositions (AREA)
CA225,885A 1974-05-06 1975-04-30 Protecting metal heating electrodes of melting furnaces with dc current and apparatus therefor Expired CA1048091A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS7400003240A CS178528B1 (en) 1974-05-06 1974-05-06 Method of protecting metal heating electrodes of melting furnaces and device for improving this method

Publications (1)

Publication Number Publication Date
CA1048091A true CA1048091A (en) 1979-02-06

Family

ID=5371901

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,885A Expired CA1048091A (en) 1974-05-06 1975-04-30 Protecting metal heating electrodes of melting furnaces with dc current and apparatus therefor

Country Status (18)

Country Link
US (1) US3984612A (show.php)
JP (1) JPS511514A (show.php)
AT (1) AT362890B (show.php)
BE (1) BE828777A (show.php)
CA (1) CA1048091A (show.php)
CH (1) CH601119A5 (show.php)
CS (1) CS178528B1 (show.php)
DE (1) DE2517885C2 (show.php)
ES (1) ES437610A1 (show.php)
FI (1) FI58977C (show.php)
FR (1) FR2270748B1 (show.php)
GB (1) GB1502678A (show.php)
IE (1) IE41120B1 (show.php)
IT (1) IT1037843B (show.php)
NL (1) NL7505307A (show.php)
NO (1) NO751325L (show.php)
SE (1) SE7504536L (show.php)
YU (1) YU104675A (show.php)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51148836A (en) * 1975-06-17 1976-12-21 Nippon Electric Glass Co Ltd Uniformly heating device for material s whose electric resistance has netative temperature coefficient
US4227909A (en) * 1979-06-12 1980-10-14 Owens-Illinois, Inc. Electric forehearth and method of melting therein
US4435811A (en) * 1982-01-26 1984-03-06 Owens-Corning Fiberglas Corporation Current distribution for glass-melting furnaces
US4438518A (en) 1982-08-06 1984-03-20 Owens-Corning Fiberglas Corporation Method for protecting forming bushings
JPS59218036A (ja) * 1983-05-25 1984-12-08 Sony Corp 位相比較回路
DE4322448A1 (de) * 1993-07-06 1995-01-12 Abb Research Ltd Schmelzofen zur thermischen Behandlung von schwermetallhalitgen und/oder dioxinhaltigen Sonderabfällen
DE10349980A1 (de) * 2003-10-24 2005-09-22 Hunck, Wolfgang, Dipl.-Ing. Abkühlen stromdurchfluteter Schmelzen
JP2005225738A (ja) * 2004-02-16 2005-08-25 Asahi Glass Co Ltd ガラスの電気加熱方法及び装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR982980A (fr) * 1943-08-11 1951-06-18 Saint Gobain Perfectionnement aux procédés de fabrication du verre dans les fours électriques comportant des électrodes ou résistors en graphite
FR994796A (fr) * 1945-01-29 1951-11-22 Saint Gobain Perfectionnement aux fours de fusion de matières telles que le verre
US2855450A (en) * 1954-07-20 1958-10-07 Jenaer Glaswerk Schott & Gen Method for avoiding decomposition of melting vessels
US3378618A (en) * 1964-12-15 1968-04-16 Svu Sklarsky Electric glass furnace
US3530221A (en) * 1968-05-01 1970-09-22 Penberthy Harvey Larry Ac/dc electrode and power supply system for a glass furnace
JPS498491A (show.php) * 1972-05-17 1974-01-25

Also Published As

Publication number Publication date
FI58977C (fi) 1981-05-11
IE41120B1 (en) 1979-10-24
DE2517885A1 (de) 1975-11-27
NO751325L (show.php) 1975-11-07
IT1037843B (it) 1979-11-20
FR2270748B1 (show.php) 1979-10-05
IE41120L (en) 1975-11-06
SE7504536L (sv) 1975-11-07
AT362890B (de) 1981-06-25
ATA281675A (de) 1980-11-15
FR2270748A1 (show.php) 1975-12-05
FI58977B (fi) 1981-01-30
DE2517885C2 (de) 1986-03-20
JPS511514A (show.php) 1976-01-08
BE828777A (fr) 1975-09-01
ES437610A1 (es) 1977-01-16
FI751198A7 (show.php) 1975-11-07
GB1502678A (en) 1978-03-01
YU104675A (en) 1982-05-31
CH601119A5 (show.php) 1978-06-30
US3984612A (en) 1976-10-05
CS178528B1 (en) 1977-10-31
NL7505307A (nl) 1975-11-10

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