GB1400284A - Plants for the electro-slag refining of metals - Google Patents
Plants for the electro-slag refining of metalsInfo
- Publication number
- GB1400284A GB1400284A GB3594172A GB3594172A GB1400284A GB 1400284 A GB1400284 A GB 1400284A GB 3594172 A GB3594172 A GB 3594172A GB 3594172 A GB3594172 A GB 3594172A GB 1400284 A GB1400284 A GB 1400284A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- mould
- electrode
- relays
- phase
- 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
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
- H05B7/144—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
- H05B7/152—Automatic control of power by electromechanical means for positioning of electrodes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/16—Remelting metals
- C22B9/18—Electroslag remelting
-
- 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)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Furnace Details (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
1400284 Electroslag casting processes; continuous casting BOHLER & CO A G Gebr 1 Aug 1972 [17 Sept 1971] 35941/72 Heading B3F [Also in Division G3] In an electroslag refining plant, current is separately supplied to each of a plurality of consumable electrodes. When the current through each electrode has fallen below a respective predetermined value, the position of a common electrode holder relative to a mould is automatically adjusted. As shown, three cylindrical steel electrodes 10 penetrate a slag layer 60 in a water-cooled mould 20. A molten pool 31 forms on top of a solid ingot 30 supported by a copper plate 40. An electrode holder 11 and the mould 20 are supported by vertically movable carriages 12, 23 controlled by lifting gear 13, 24. In use, each electrode is connected to one phase of a threephase supply R, S, T, the neutral line M being connected to plate 40. The current in each phase flows through an ammeter 71 with contacts 71<SP>1</SP> which close if the current falls to a preset value. This value may be different for each phase and may be proportional to the cross-sectional area of the corresponding electrode 10. When all the contact sets 71<SP>1</SP> have closed, current flows through pulsed relays 73, 76 to energize further relays 16, 27 which connect supplies to motors driving lifting gear 13, 24. This action causes stepwise lowering of the electrodes and stepwise raising of the mould in a preset ratio. Relays 73, 76 may be bypassed by switches 74, 77 to allow rapid carriage movement. There may be a plurality of moulds secured to the same holder.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2146551A DE2146551A1 (en) | 1971-09-17 | 1971-09-17 | DEVICE FOR CONTROLLING THE FEED OF SEVERAL MELTING ELECTRODES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1400284A true GB1400284A (en) | 1975-07-16 |
Family
ID=5819881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3594172A Expired GB1400284A (en) | 1971-09-17 | 1972-08-01 | Plants for the electro-slag refining of metals |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3743749A (en) |
| JP (1) | JPS5522184B2 (en) |
| AT (1) | AT312833B (en) |
| DE (1) | DE2146551A1 (en) |
| FR (1) | FR2153953A5 (en) |
| GB (1) | GB1400284A (en) |
| IT (1) | IT965386B (en) |
| SE (1) | SE372688B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS511478B2 (en) * | 1972-12-01 | 1976-01-17 | ||
| DE2732873A1 (en) * | 1977-07-21 | 1979-02-15 | Leybold Heraeus Gmbh & Co Kg | ARRANGEMENT FOR REGULATING THE DEPTH OF SUBMERGING OF MELTING ELECTRODES IN ELECTRO-SLASK MELTING FURNACES |
| RU2645164C2 (en) * | 2015-03-10 | 2018-02-16 | Игорь Михайлович Бершицкий | Esr installation |
| CN104878214A (en) * | 2015-05-14 | 2015-09-02 | 浙江天马轴承有限公司 | Electro slag ingot casting device adopting molten steel shunt and gas protection |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3217205A (en) * | 1962-06-07 | 1965-11-09 | Pullman Inc | Electric furnace electrode position control |
| US3300712A (en) * | 1964-03-26 | 1967-01-24 | Ajax Magnethermic Corp | Control device for automatically adding and subtracting capacitors to maintain preselective power output |
| US3431344A (en) * | 1965-11-15 | 1969-03-04 | Westinghouse Electric Corp | Control system providing supply circuit impedance balance control for electric arc furnaces |
-
1971
- 1971-09-17 DE DE2146551A patent/DE2146551A1/en not_active Ceased
- 1971-10-29 AT AT933671A patent/AT312833B/en not_active IP Right Cessation
-
1972
- 1972-06-23 US US00265638A patent/US3743749A/en not_active Expired - Lifetime
- 1972-07-11 JP JP6875772A patent/JPS5522184B2/ja not_active Expired
- 1972-08-01 GB GB3594172A patent/GB1400284A/en not_active Expired
- 1972-09-12 FR FR7232206A patent/FR2153953A5/fr not_active Expired
- 1972-09-15 SE SE7211934A patent/SE372688B/xx unknown
- 1972-09-16 IT IT52794/72A patent/IT965386B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2153953A5 (en) | 1973-05-04 |
| SE372688B (en) | 1974-12-23 |
| JPS4838235A (en) | 1973-06-05 |
| US3743749A (en) | 1973-07-03 |
| DE2146551A1 (en) | 1973-03-22 |
| AT312833B (en) | 1974-01-25 |
| IT965386B (en) | 1974-01-31 |
| JPS5522184B2 (en) | 1980-06-14 |
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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 |