GB1571729A - Method of testing graphite electrodes - Google Patents

Method of testing graphite electrodes Download PDF

Info

Publication number
GB1571729A
GB1571729A GB8384/77A GB838477A GB1571729A GB 1571729 A GB1571729 A GB 1571729A GB 8384/77 A GB8384/77 A GB 8384/77A GB 838477 A GB838477 A GB 838477A GB 1571729 A GB1571729 A GB 1571729A
Authority
GB
United Kingdom
Prior art keywords
eddy current
electrodes
electrode
consumption rates
currents
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
GB8384/77A
Other languages
English (en)
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.)
Deere and Co
Original Assignee
Deere and 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 Deere and Co filed Critical Deere and Co
Publication of GB1571729A publication Critical patent/GB1571729A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
    • G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
GB8384/77A 1976-03-31 1977-02-28 Method of testing graphite electrodes Expired GB1571729A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/672,307 US4048556A (en) 1976-03-31 1976-03-31 Method for evaluating electrode consumption rate

Publications (1)

Publication Number Publication Date
GB1571729A true GB1571729A (en) 1980-07-16

Family

ID=24698012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8384/77A Expired GB1571729A (en) 1976-03-31 1977-02-28 Method of testing graphite electrodes

Country Status (7)

Country Link
US (1) US4048556A (US06724976-20040420-M00002.png)
CA (1) CA1054227A (US06724976-20040420-M00002.png)
DE (1) DE2708159A1 (US06724976-20040420-M00002.png)
DK (1) DK110077A (US06724976-20040420-M00002.png)
FR (1) FR2346932A1 (US06724976-20040420-M00002.png)
GB (1) GB1571729A (US06724976-20040420-M00002.png)
IT (1) IT1105901B (US06724976-20040420-M00002.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4881239A (en) * 1987-07-14 1989-11-14 Leybold Aktiengesellschaft Fault detection during remelt of electrodes into blocks
US5250903A (en) * 1989-05-31 1993-10-05 Amoco Corporation Method and apparatus using oscillatory magnetic field to determine state of charge of an electrolytic storage cell
US5537042A (en) * 1994-11-18 1996-07-16 Eldec Corporation Method and system for unobtrusively measuring physical properties in electrochemical processes
US5539768A (en) * 1995-03-21 1996-07-23 Ltv Steel Company, Inc. Electric arc furnace electrode consumption analyzer
US7386369B1 (en) * 2004-08-09 2008-06-10 Graftech International Holdings Inc. Digital electrode observation
WO2020081559A1 (en) 2018-10-15 2020-04-23 Chemtreat, Inc. Spray cooling furnace electrodes with a cooling liquid that contains surfactants
US10694592B1 (en) 2018-10-15 2020-06-23 Chemtreat, Inc. Methods of protecting furnace electrodes with cooling liquid that contains an additive

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170082A (en) * 1961-12-30 1965-02-16 Asea Ab Method for regulating of the position of the electrodes in an electrode furnace and arrangement for carrying out the method

Also Published As

Publication number Publication date
FR2346932A1 (fr) 1977-10-28
CA1054227A (en) 1979-05-08
FR2346932B1 (US06724976-20040420-M00002.png) 1980-02-01
US4048556A (en) 1977-09-13
DE2708159A1 (de) 1977-10-06
IT1105901B (it) 1985-11-11
DK110077A (da) 1977-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee