GB1571729A - Method of testing graphite electrodes - Google Patents
Method of testing graphite electrodes Download PDFInfo
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 20
- 229910002804 graphite Inorganic materials 0.000 title claims description 20
- 239000010439 graphite Substances 0.000 title claims description 20
- 238000010998 test method Methods 0.000 title claims description 6
- 238000010891 electric arc Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 210000002445 nipple Anatomy 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000231739 Rutilus rutilus Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000009658 destructive testing Methods 0.000 description 1
- 238000012417 linear regression Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
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)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (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)
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 (https=) |
| CA (1) | CA1054227A (https=) |
| DE (1) | DE2708159A1 (https=) |
| DK (1) | DK110077A (https=) |
| FR (1) | FR2346932A1 (https=) |
| GB (1) | GB1571729A (https=) |
| IT (1) | IT1105901B (https=) |
Families Citing this family (7)
| 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 |
| ES2945188T3 (es) | 2018-10-15 | 2023-06-29 | Chemtreat Inc | Métodos de protección de electrodos para hornos con líquido de refrigeración que contiene un aditivo |
| ES2981237T3 (es) | 2018-10-15 | 2024-10-07 | Chemtreat Inc | Electrodos de horno para enfriamiento por aspersión con líquido enfriador que contiene tensioactivos |
Family Cites Families (1)
| 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 |
-
1976
- 1976-03-31 US US05/672,307 patent/US4048556A/en not_active Expired - Lifetime
-
1977
- 1977-01-12 CA CA269,558A patent/CA1054227A/en not_active Expired
- 1977-02-25 DE DE19772708159 patent/DE2708159A1/de not_active Withdrawn
- 1977-02-28 GB GB8384/77A patent/GB1571729A/en not_active Expired
- 1977-03-14 DK DK110077A patent/DK110077A/da not_active Application Discontinuation
- 1977-03-16 FR FR7707804A patent/FR2346932A1/fr active Granted
- 1977-03-28 IT IT48684/77A patent/IT1105901B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2346932A1 (fr) | 1977-10-28 |
| IT1105901B (it) | 1985-11-11 |
| CA1054227A (en) | 1979-05-08 |
| DE2708159A1 (de) | 1977-10-06 |
| FR2346932B1 (https=) | 1980-02-01 |
| US4048556A (en) | 1977-09-13 |
| 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 |