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GB144503A - Improvements in and relating to electric arc furnaces - Google Patents

Improvements in and relating to electric arc furnaces

Info

Publication number
GB144503A
GB144503A GB17902/19A GB1790219A GB144503A GB 144503 A GB144503 A GB 144503A GB 17902/19 A GB17902/19 A GB 17902/19A GB 1790219 A GB1790219 A GB 1790219A GB 144503 A GB144503 A GB 144503A
Authority
GB
United Kingdom
Prior art keywords
arcs
regulated
pressure
regulation
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
GB17902/19A
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.)
HAMMOND CHARLES HASTINGS
British Thomson Houston Co Ltd
Original Assignee
HAMMOND CHARLES HASTINGS
British Thomson Houston 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 HAMMOND CHARLES HASTINGS, British Thomson Houston Co Ltd filed Critical HAMMOND CHARLES HASTINGS
Priority to GB17902/19A priority Critical patent/GB144503A/en
Publication of GB144503A publication Critical patent/GB144503A/en
Expired legal-status Critical Current

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
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)

Abstract

144,503. British Thomson - Houston Co., and Hastings, H. C. July 17, 1919. Electrode furnaces.-In a 3-phase furnace with more than two movable electrodes, one arc is regulated in accordance with its current strength, while each of the other arcs is regulated to maintain constant relationship between its pressure and that of the first arc. Regulation tending to maintain equality of electric pressure of the arcs is more sensitive than regulation by current strength, as the pressure variations are greater than the current variations in a 3-phase system. As shown, electrode 1 is adjusted by a motor under control of a contact-making ammeter C' connected to a series transformer. Each of the other arcs is regulated by a motor governed by a pair of differential pressure electro-magnets S<1>, S<2> or S<1>, S<3>, and relays A, B or C, D. Specification 136,500 is referred to.
GB17902/19A 1919-07-17 1919-07-17 Improvements in and relating to electric arc furnaces Expired GB144503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB17902/19A GB144503A (en) 1919-07-17 1919-07-17 Improvements in and relating to electric arc furnaces

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB17902/19A GB144503A (en) 1919-07-17 1919-07-17 Improvements in and relating to electric arc furnaces

Publications (1)

Publication Number Publication Date
GB144503A true GB144503A (en) 1920-06-17

Family

ID=10103239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17902/19A Expired GB144503A (en) 1919-07-17 1919-07-17 Improvements in and relating to electric arc furnaces

Country Status (1)

Country Link
GB (1) GB144503A (en)

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