EP3994958A4 - An integrated hollow copper electrode in slag hole with thermal conductivity - Google Patents

An integrated hollow copper electrode in slag hole with thermal conductivity Download PDF

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Publication number
EP3994958A4
EP3994958A4 EP21786314.1A EP21786314A EP3994958A4 EP 3994958 A4 EP3994958 A4 EP 3994958A4 EP 21786314 A EP21786314 A EP 21786314A EP 3994958 A4 EP3994958 A4 EP 3994958A4
Authority
EP
European Patent Office
Prior art keywords
thermal conductivity
copper electrode
hollow copper
slag hole
integrated hollow
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.)
Pending
Application number
EP21786314.1A
Other languages
German (de)
French (fr)
Other versions
EP3994958A1 (en
Inventor
Majid RAHIMI
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.)
Danesh Parto Naghsh Jahan Co
Original Assignee
Danesh Parto Naghsh Jahan Co
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 Danesh Parto Naghsh Jahan Co filed Critical Danesh Parto Naghsh Jahan Co
Publication of EP3994958A1 publication Critical patent/EP3994958A1/en
Publication of EP3994958A4 publication Critical patent/EP3994958A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • H05B7/06—Electrodes
    • 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
    • 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
    • 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
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/19—Arrangements of devices for discharging
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1545—Equipment for removing or retaining slag
    • F27D3/1554—Equipment for removing or retaining slag for removing the slag from the surface of the melt
    • 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
    • C21C2005/5235—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace with bottom electrodes
    • 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
    • C21C2250/00—Specific additives; Means for adding material different from burners or lances
    • C21C2250/06—Hollow electrode

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)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP21786314.1A 2020-09-26 2021-01-31 An integrated hollow copper electrode in slag hole with thermal conductivity Pending EP3994958A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IR13993005776 2020-09-26
PCT/IB2021/050756 WO2022064280A1 (en) 2020-09-26 2021-01-31 An integrated hollow copper electrode in slag hole with thermal conductivity

Publications (2)

Publication Number Publication Date
EP3994958A1 EP3994958A1 (en) 2022-05-11
EP3994958A4 true EP3994958A4 (en) 2022-10-26

Family

ID=83356813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21786314.1A Pending EP3994958A4 (en) 2020-09-26 2021-01-31 An integrated hollow copper electrode in slag hole with thermal conductivity

Country Status (2)

Country Link
EP (1) EP3994958A4 (en)
WO (1) WO2022064280A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397645A (en) * 1977-02-04 1978-08-26 Daido Steel Co Ltd Anode for transfer system plasma-arc blast furnace
CN103468845A (en) * 2013-09-09 2013-12-25 南京联合荣大工程材料有限责任公司 Blast furnace slag discharge trench with built-in water cooling system
WO2019224613A1 (en) * 2018-05-23 2019-11-28 Miwenti S.R.L. Cooled electrode for electric metallurgical furnace

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5397645A (en) * 1977-02-04 1978-08-26 Daido Steel Co Ltd Anode for transfer system plasma-arc blast furnace
CN103468845A (en) * 2013-09-09 2013-12-25 南京联合荣大工程材料有限责任公司 Blast furnace slag discharge trench with built-in water cooling system
WO2019224613A1 (en) * 2018-05-23 2019-11-28 Miwenti S.R.L. Cooled electrode for electric metallurgical furnace

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022064280A1 *

Also Published As

Publication number Publication date
EP3994958A1 (en) 2022-05-11
WO2022064280A1 (en) 2022-03-31

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