GB817414A - Improvements in or relating to arc-melting furnaces - Google Patents
Improvements in or relating to arc-melting furnacesInfo
- Publication number
- GB817414A GB817414A GB755657A GB755657A GB817414A GB 817414 A GB817414 A GB 817414A GB 755657 A GB755657 A GB 755657A GB 755657 A GB755657 A GB 755657A GB 817414 A GB817414 A GB 817414A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crucible
- support
- vacuum
- electrode
- 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
Links
- 238000002844 melting Methods 0.000 title abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 2
- 210000003625 skull Anatomy 0.000 abstract 2
- 239000010936 titanium Substances 0.000 abstract 2
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000004020 conductor Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 239000000498 cooling water Substances 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- -1 titanium Chemical class 0.000 abstract 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/22—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
- F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
- F27B3/12—Working chambers or casings; Supports therefor
- F27B3/14—Arrangements of linings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B5/00—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
- F27B5/04—Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated adapted for treating the charge in vacuum or special atmosphere
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
817,414. Arc furnaces. TRIGGS, W. W. (National Research Corporation). March 7, 1957, No. 7556/57. Class 39(3) [Also in Group XXII] A furnace for arc-melting reactive metals, e.g. titanium, comprises a crucible housed within a vacuum-tight chamber, at least one electrode, and a massive electrode support having an axial water passage the end of which terminates at least five inches from the electrode, the wall of the support defining the passage at its lower end being at least one inch in thickness. As shown, a vacuum-tight furnace chamber 10 having a vacuum pump 9 and an inert gas supply 11 houses a counterweighted crucible 12 which can pivot about a trunnion 14 to pour molten metal into a mould 16. The crucible 12 comprises a steel jacket 18, refractory insulation 20, a graphite crucible 22 and a solid titanium skull 24 which holds a pool of the metal maintained molten by arc electrodes 26. Massive electrode supports 28, e.g. of copper, extend through a vacuum-tight joint 32 in the chamber 10 and are provided with heat shields 30. A water passage 34, in which is located a pipe 36, extends axially through the support 28 and ends so that it is a substantial distance, e.g. some inches, above the melt surface when the support is in its lowest position. Cooling water flows downwardly inside the pipe 36 and upwardly outside the pipe. A rod 40 connected to a pneumatic cylinder 42 is attached to each support 28 and permits raising and lowering of the support thus allowing it to clear a heat shield 44 provided over the crucible 12. The skull 24 is provided with a stud 46 which extends through the crucible 12 to connect with a massive conductor 48 which engages, in the melting position, a stationary cooling block 49 having a passage for a cooling liquid. Specification 689,726 is referred to.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB817414A true GB817414A (en) | 1959-07-29 |
Family
ID=1629024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB755657A Expired GB817414A (en) | 1957-03-07 | Improvements in or relating to arc-melting furnaces |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB817414A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143110A (en) * | 1983-07-07 | 1985-01-30 | Asea Ab | A d.c. arc furnace |
| WO2015099529A1 (en) | 2013-12-23 | 2015-07-02 | Pmc Holding B.V. | Process and apparatus for recycling asbestos-containing steel scrap |
-
1957
- 1957-03-07 GB GB755657A patent/GB817414A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2143110A (en) * | 1983-07-07 | 1985-01-30 | Asea Ab | A d.c. arc furnace |
| WO2015099529A1 (en) | 2013-12-23 | 2015-07-02 | Pmc Holding B.V. | Process and apparatus for recycling asbestos-containing steel scrap |
| US10400295B2 (en) | 2013-12-23 | 2019-09-03 | PMC International B.V. | Asbestos processing |
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