EP0201569A1 - Elektrischer ofen mit kohlenstoffelektrode zum schmelzen und raffinieren von erzen - Google Patents
Elektrischer ofen mit kohlenstoffelektrode zum schmelzen und raffinieren von erzenInfo
- Publication number
- EP0201569A1 EP0201569A1 EP19850905739 EP85905739A EP0201569A1 EP 0201569 A1 EP0201569 A1 EP 0201569A1 EP 19850905739 EP19850905739 EP 19850905739 EP 85905739 A EP85905739 A EP 85905739A EP 0201569 A1 EP0201569 A1 EP 0201569A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- carbon electrode
- ore
- electrode
- refining
- 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.)
- Withdrawn
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 18
- 238000007670 refining Methods 0.000 title claims abstract description 11
- 238000003723 Smelting Methods 0.000 title description 2
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 abstract description 6
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 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; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
-
- 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
- F27D11/02—Ohmic resistance heating
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0006—Electric heating elements or system
- F27D2099/0031—Plasma-torch heating
Definitions
- the present invention relates to an improved process and apparatus for the refining of metal ores and in particular to the refining of non-ferrous metals from their ores.
- the present invention seeks to provide an improved process and apparatus for the simultaneous smeltering and refining of metal ores.
- the invention provides a simultaneous smeltering and refining apparatus comprising: a chamber having parabolic shaped top andbottom walls; and a carbon electrode running transversely across the cham- ber, wherein said carbon electrode is adapted to be heated to incandescent heat by the application of a high current and low voltage to thereby melt and reduce the ore placed in the cham ⁇ ber to obtain substantially pure metal.
- the invention comprises: a method of simultaneously smeltering and refining ore comprising the steps of placing a quantity of ore in a pre ⁇ heated chamber having parabolic shaped top andbottom walls, with a carbon electrode running transversely across the cham ⁇ ber; sealing said chamber; passing a high current and low voltage through said electrode to cause said carbon electrode to be heated to white heat until the ore has been reduced; and pour from said chamber substantially pure metal.
- FIG. 1 illustrates one embodiment of a refining apparatus according to one embodiment of the present invention
- FIG. 2 illustrates an electrode suitable for use in the present invention.
- the apparatus comprises a housing 1 having the inner surface thereof lined with suitable refrac ⁇ tories 2.
- the inner surface of the top 3 and bottom walls 4 are parabolic in shape.
- the chamber is circular in cross- section.
- the housing is pivotally mounted on supports 5 by means of the pivot collar 6.
- the electrode as shown in FIG. 2 comprises a carbon electrode 7 held between two water cooled holders 8.
- the chamber is preheated by current passing through the carbon electrode 7 and a quantity of ore, for example, cassiterite, is placed therein and the chamber sealed.
- ore for example, cassiterite
- the temperature of the carbon electrode is raised, as a result of its resistance to passage of the current through the rod, to white heat.
- Currents between 0 and 600 amps and voltages between 0 to 72 volts, can be used depending upon the metal to be refined.
- the process can also be worked by admixing the ore with anthracite or by the passing of carbon monoxide into the chamber.
- the plasma field expands away from the surface of the graphite rod it loses power and produces C-.0.
- the plasma itself is an isotope of carbon in a gaseous state.
- the plasma field is generated in pulses. Each pulse of plasma pumps up behind the pulse that has preceded it. As each pulse of plasma producing C-,0 is pushed outwards to the optical reflective refractory lining, C-,0 breaks down to CO.
- the optical pumping with circularly polarized light generates angular momentum which is transferred to a collection of atoms in the gaseous state.
- the continuous stream of pulses builds up pressure in the cham- ber and reflects and refracts the electromagnetic waves (which are in the form of light waves) , creating a laser shine.
- the collision causes what are known as "hot spots".
- the frequency of collisions is extremely high, and is known as an aneutronic reaction, and is the kinetic energy of charged particles.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU818084 | 1984-11-19 | ||
| AU8180/84 | 1984-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0201569A1 true EP0201569A1 (de) | 1986-11-20 |
Family
ID=3698853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19850905739 Withdrawn EP0201569A1 (de) | 1984-11-19 | 1985-11-19 | Elektrischer ofen mit kohlenstoffelektrode zum schmelzen und raffinieren von erzen |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0201569A1 (de) |
| WO (1) | WO1986003282A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991011658A1 (en) * | 1990-01-29 | 1991-08-08 | Noel Henry Wilson | Destroying waste using plasma |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2778866A (en) * | 1957-01-22 | Electric furnace | ||
| US2682566A (en) * | 1954-06-29 | Radiation melting furnace | ||
| DE403075C (de) * | 1924-09-24 | Siemens & Halske Akt Ges | Elektrodeneinfuehrung und -abdichtung fuer elektrische OEfen, insbesondere Drehoefen | |
| DE608152C (de) * | 1933-06-30 | 1935-01-16 | Paul Richalet | Glasschmelzofen |
| DE735985C (de) * | 1938-08-18 | 1943-06-03 | Otto Junker Fa | Elektrischer, auf Rollen ruhender Trommelschmelzofen |
| DE887874C (de) * | 1940-06-24 | 1953-08-27 | Saint Gobain | Elektrischer Ofen zur Herstellung verdichtbarer Produkte |
| DE881410C (de) * | 1943-01-20 | 1953-06-29 | Otto Junker Fa | Elektrisch beheizter Ofen, insbesondere Herdschmelzofen, mit mindestens einem Heizstab |
| DE1807843B1 (de) * | 1968-11-08 | 1970-07-30 | Vaw Ver Aluminium Werke Ag | Widerstandsbeheizter metallurgischer Schmelzofen,insbesondere Herdschmelzofen |
| GB1483721A (en) * | 1976-02-25 | 1977-08-24 | Sred Az Nii Prirod Gaza I | Furnace for melting metals and alloys |
| FR2453578A1 (fr) * | 1979-04-02 | 1980-10-31 | Mancelle Fonderie | Four electrique de fusion a chauffage par rayonnement |
-
1985
- 1985-11-19 EP EP19850905739 patent/EP0201569A1/de not_active Withdrawn
- 1985-11-19 WO PCT/AU1985/000286 patent/WO1986003282A1/en not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO8603282A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1986003282A1 (en) | 1986-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19861021 |