GB1093650A - Optical system for electric arc furnaces - Google Patents

Optical system for electric arc furnaces

Info

Publication number
GB1093650A
GB1093650A GB23711/65A GB2371165A GB1093650A GB 1093650 A GB1093650 A GB 1093650A GB 23711/65 A GB23711/65 A GB 23711/65A GB 2371165 A GB2371165 A GB 2371165A GB 1093650 A GB1093650 A GB 1093650A
Authority
GB
United Kingdom
Prior art keywords
electrode
optical system
crucible
lens
electric arc
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
GB23711/65A
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.)
McGraw Edison Co
Original Assignee
McGraw Edison 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 McGraw Edison Co filed Critical McGraw Edison Co
Publication of GB1093650A publication Critical patent/GB1093650A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • 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
    • 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
    • F27D11/08—Heating by electric discharge, e.g. arc discharge
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • G02B23/2476—Non-optical details, e.g. housings, mountings, supports
    • G02B23/2492—Arrangements for use in a hostile environment, e.g. a very hot, cold or radioactive environment
    • 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
    • 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
    • H05B7/10—Mountings, supports, terminals or arrangements for feeding or guiding electrodes
    • H05B7/109—Feeding arrangements
    • 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
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Power Engineering (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)

Abstract

1,093,650. Furnace optical system. McGRAW-EDISON CO. June 3, 1965 [Nov. 9, 1964], No.23711/65. Heading G2J. [Also in Division F4] An optical system for observing the arc of a consumable electrode electric arc furnace having a plurality of crucibles and an electrode 49 which is movable over each of the crucibles, comprises two assemblies 120, positioned close to electrode 49, comprising mirrors 147, and a lens 140 mounted in tubes 144, 145 and 156, and a 45‹ prism 142 which reflects light 125 via a lens 122, a mirror assembly 121, and a lens 123 on to a viewing screen 124; tube 156 is rotatable about its vertical axis to enable the opening 148 of the assembly to be positioned close to the electrode; mirror assembly 121 Fig. 6 (not shown) comprises a three-side housing 200 having a pivoted back wall 206 supporting a mirror 207, and apertured side walls 202, 203, the angle between the sidewalls being equal to the angle of rotation of the electrode from the first to second crucible; when the electrode is above the first crucible the back walls 206 are open allowing light to pass straight through, and when it is above the second crucible the back walls are closed reflecting the light on to the screen 124, Fig.4 (not shown).
GB23711/65A 1964-11-09 1965-06-03 Optical system for electric arc furnaces Expired GB1093650A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US409661A US3371140A (en) 1964-11-09 1964-11-09 Optical system for electric arc furnaces

Publications (1)

Publication Number Publication Date
GB1093650A true GB1093650A (en) 1967-12-06

Family

ID=23621457

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23711/65A Expired GB1093650A (en) 1964-11-09 1965-06-03 Optical system for electric arc furnaces

Country Status (6)

Country Link
US (1) US3371140A (en)
BE (1) BE665692A (en)
DE (1) DE1483122B2 (en)
FR (1) FR1444984A (en)
GB (1) GB1093650A (en)
NL (1) NL6510256A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402043B (en) * 1976-10-04 1978-06-12 Asea Ab DEVICE FOR DC-LIGHT BACK OVEN
DE3120856A1 (en) * 1981-05-26 1982-12-23 Leybold-Heraeus GmbH, 5000 Köln METHOD FOR MONITORING THE MELTING PROCESS IN VACUUM ARC FURNACES
DE3441346A1 (en) * 1984-11-13 1986-05-15 Krupp Koppers GmbH, 4300 Essen DEVICE FOR OBSERVING THE INTERIOR OF HOT REACTION ROOMS UNDER PRESSURE
US4918705A (en) * 1989-07-06 1990-04-17 General Electric Company Furnace enclosure having a clear viewpath
SG2014013692A (en) * 2011-08-26 2014-05-29 Consarc Corp Purification of a metalloid by consumable electrode vacuum arc remelt process
CN113791109B (en) * 2021-09-17 2023-11-17 苏州大学 Measuring device for soft melting and dripping performance of iron-containing raw material

Also Published As

Publication number Publication date
US3371140A (en) 1968-02-27
DE1483122A1 (en) 1970-05-14
BE665692A (en) 1965-10-18
NL6510256A (en) 1966-05-10
FR1444984A (en) 1966-07-08
DE1483122B2 (en) 1970-05-14

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