CN116336804A - Copper crucible current equalizing and electricity guiding device of vacuum skull furnace - Google Patents
Copper crucible current equalizing and electricity guiding device of vacuum skull furnace Download PDFInfo
- Publication number
- CN116336804A CN116336804A CN202310566184.7A CN202310566184A CN116336804A CN 116336804 A CN116336804 A CN 116336804A CN 202310566184 A CN202310566184 A CN 202310566184A CN 116336804 A CN116336804 A CN 116336804A
- Authority
- CN
- China
- Prior art keywords
- electricity
- flange
- ring
- crucible
- guiding
- 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.)
- Pending
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 73
- 210000003625 skull Anatomy 0.000 title claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 22
- 229910052802 copper Inorganic materials 0.000 title claims description 22
- 239000010949 copper Substances 0.000 title claims description 22
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 238000003723 Smelting Methods 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010891 electric arc Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/01—Charges containing mainly non-ferrous metals
- F27M2001/015—Copper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/13—Smelting
-
- 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
- Y02P10/20—Recycling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to the field of vacuum metallurgical equipment, and particularly relates to an electricity guiding device of a large vacuum skull furnace. The invention comprises a crucible and power-on shafts on two sides of the crucible, and is characterized in that: the end part of the electricity guiding shaft is connected with an electricity guiding ring through an electricity guiding flange, a shell is arranged outside the crucible, an annular supporting edge is arranged at the upper end of the shell, and an annular pressing edge corresponding to the annular supporting edge is arranged at the upper end of the crucible; an electricity receiving ring is arranged between the annular pressing edge and the annular supporting edge, and the electricity receiving ring is electrically connected with the electricity guiding ring. The invention has the advantages of uniform and stable current transmission, long service life of the crucible and safe smelting.
Description
Technical Field
The invention belongs to the field of vacuum metallurgical equipment, and particularly relates to an electricity guiding device of a large vacuum skull furnace.
Background
With the development of the metal smelting industry, the market has put higher demands on the scale of smelting equipment, the yield and the product quality. The vacuum metallurgy can realize the metallurgical process which cannot be carried out in the atmosphere, prevent the oxidation of metal, separate substances with different boiling points, remove gas or impurities in the metal, enhance the deoxidization capability of carbon in the metal and effectively improve the quality of the metal or alloy. For this reason, more vacuum smelting equipment has been increasingly put into use in China in recent years.
The current-carrying mechanism of the crucible of the existing vacuum skull furnace is shown in fig. 6 to 7, the power-carrying shaft 100 is connected with the outer shell 200 of the crucible, and the current is transmitted to the crucible through the outer shell of the crucible.
The existing vacuum skull furnace sometimes causes damage to the crucible due to electric arc in the long-term use process, influences the service life of the crucible and has the problem of potential safety hazard.
Disclosure of Invention
The invention aims at the problems and provides a copper crucible current equalizing and guiding device of a vacuum skull furnace, which has the advantages of uniform and stable current transmission, long crucible service life and safe smelting.
In order to achieve the above purpose, the invention adopts the following technical scheme that the invention comprises a crucible and power-off shafts at two sides of the crucible, and is characterized in that: the end part of the electricity guiding shaft is connected with an electricity guiding ring through an electricity guiding flange, a shell is arranged outside the crucible, an annular supporting edge is arranged at the upper end of the shell, and an annular pressing edge corresponding to the annular supporting edge is arranged at the upper end of the crucible; an electricity receiving ring is arranged between the annular pressing edge and the annular supporting edge, and the electricity receiving ring is electrically connected with the electricity guiding ring.
As a preferable scheme of the invention, the annular pressing edge, the annular supporting edge and the electric connection ring are integrally connected through a plurality of groups of connecting bolt assemblies.
As a preferable scheme of the invention, a connector is arranged on the shell, and two ends of the connector are connected with a supporting tube through a flange component; the electricity guiding shaft is arranged in the supporting tube, and the electricity guiding ring and the electricity guiding flange are fixed between the flange components.
Further, the flange assembly comprises a first flange arranged at the end part of the support tube and a second flange arranged on the connecting body, the electricity guiding ring and the electricity guiding flange are arranged between the first flange and the second flange, and the first flange, the second flange, the electricity guiding flange and the electricity guiding ring are integrally connected through a plurality of groups of connecting bolt assemblies.
As another preferable scheme of the invention, the electricity guiding ring comprises an annular body, the annular body is attached to an electricity guiding flange of the electricity guiding shaft, an electricity connecting vertical plate is arranged on the side of the annular body, an electricity connecting transverse plate is welded on the electricity connecting vertical plate, a side-connecting electric plate is arranged on the side of the electricity connecting ring, and the side-connecting electric plate is in contact connection with the surface of the electricity connecting transverse plate.
Further, the side-connection electric plate and the electric-connection transverse plate are integrally connected through a plurality of groups of connecting bolt assemblies.
Further, the side electric plates are arranged on two sides of the electric connection ring, and the included angle of the axes of the two side electric connection plates is 180 degrees.
As a third preferred scheme of the invention, the electricity guiding shaft, the electricity guiding ring, the electricity receiving ring and the connecting structure between the electricity guiding ring and the electricity receiving ring are all made of copper materials.
The invention has the beneficial effects that: 1. in the current transmission process, all the current is conducted through the copper conductive element, and the conduction is not conducted through the steel crucible shell any more, and because the resistance of the metal copper is far smaller than that of steel, the energy loss generated when the current is conducted through the steel crucible shell can be reduced, the electric energy utilization rate is improved, and meanwhile, the heating of the crucible shell is reduced.
2. Because the current transmission is conducted by the copper original paper, the two side leading-in positions are symmetrically distributed, the current transmission is more uniform than that of the traditional mode, the arc light is ensured to be stable in the smelting process, the end face of the residual electrode is smooth after the smelting is finished, the pits are smaller, and the electrode utilization rate is improved.
3. Because the current in the crucible is uniform everywhere, the magnetic field in the crucible is stable, the influence of the magnetic field on the electric arc in smelting is avoided, the arc deviation condition is prevented from occurring, the crucible is damaged and broken down by the current, and the smelting safety and the service life of the crucible are improved.
4. The smelting stability is improved, the thickness of the solidified shell in the crucible is uniform after smelting, and the solidified shell is easy to take out when the crucible is cleaned, so that the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 2.
Fig. 4 is a B-B cross-sectional view of fig. 2.
Fig. 5 is a side view of the present invention.
FIG. 6 is a schematic structural diagram of a current-sharing and electricity-guiding device for a copper crucible of a vacuum skull furnace.
Fig. 7 is a top view of fig. 6.
In the drawing, 1 is a power-on shaft, 2 is a supporting pipe, 3 is a first flange, 4 is an annular blank holder, 5 is a crucible, 6 is a side-connection electric plate, 7 is a power-on transverse plate, 8 is a power-on vertical plate, 9 is a power-on flange, 10 is a power-on ring, 11 is a supporting edge, 12 is a connecting body, 13 is a shell, 14 is a second flange, and 15 is a power-on ring.
100 is a current-guiding shaft in the prior art, and 200 is a housing in the prior art.
Detailed Description
As shown in fig. 1 to 5, the present invention comprises a crucible 5 and a current guiding shaft 1 on both sides of the crucible 5, and is characterized in that: the end part of the electricity guiding shaft 1 is connected with an electricity guiding ring 10 through an electricity guiding flange 9, a shell 13 is arranged outside the crucible 5, an annular supporting edge 11 is arranged at the upper end of the shell 13, and an annular pressing edge 4 corresponding to the annular supporting edge 11 is arranged at the upper end of the crucible 5; an electric connection ring 15 is arranged between the annular pressing edge 4 and the annular supporting edge 11, and the electric connection ring 15 is electrically connected with the electricity guiding ring 10.
As a preferred scheme of the invention, the annular pressing edge 4, the annular supporting edge 11 and the electric connection ring 15 are integrally connected through a plurality of groups of connecting bolt assemblies.
As a preferred scheme of the invention, the shell 13 is provided with a connector 12, and two ends of the connector 12 are connected with a supporting tube 2 through flange components; the electricity guiding shaft 1 is arranged in the supporting tube 2, and the electricity guiding ring 10 and the electricity guiding flange 9 are fixed between the flange components.
Further, the flange assembly comprises a first flange 3 arranged at the end part of the support tube 2 and a second flange 14 arranged on the connecting body 12, the electricity guiding ring 10 and the electricity guiding flange 9 are arranged between the first flange 3 and the second flange 14, and the first flange 3, the second flange 14, the electricity guiding flange 9 and the electricity guiding ring 10 are integrally connected through a plurality of groups of connecting bolt assemblies.
As another preferable scheme of the invention, the electricity guiding ring 10 comprises an annular body, the annular body is attached to the electricity guiding flange 9 of the electricity guiding shaft 1, an electricity connecting vertical plate 8 is arranged on the side of the annular body, an electricity connecting transverse plate 7 is welded on the electricity connecting vertical plate 8, a side-connecting electric plate 6 is arranged on the side of the electricity connecting ring 15, and the side-connecting electric plate 6 is in surface contact connection with the electricity connecting transverse plate 7.
Further, the side connection electric plate 6 and the electric connection transverse plate 7 are integrally connected through a plurality of groups of connection bolt assemblies.
Further, the side connection electric plates 6 are arranged at two sides of the connection ring 15, and the included angle between the axes of the two side connection electric plates 6 is 180 degrees.
As a third preferred aspect of the present invention, the connection structures of the power guiding shaft 1, the power guiding ring 10, the power receiving ring 15, and the power guiding ring 10 and the power receiving ring 15 are all made of copper materials.
The invention relates to a current equalizing and guiding device for a copper crucible 5 of a vacuum skull furnace, which is different from the traditional skull furnace in the process that current is guided into the crucible 5 by a current guiding shaft 1, external current guiding equipment is directly connected with the outer shell of the steel crucible 5, but a conductive structure is added between the current guiding shaft 1 and the copper crucible 5 as a medium, and the current is directly conducted by a copper component, so that the current transmission path is changed, and the uniformity of the current in each part of the crucible 5 is ensured. And further, when smelting is realized, the magnetic field generated by the current in the crucible 5 is uniformly distributed, so that the influence on the electric arc is reduced. The smelting stability and the safety are improved. The end of the electrode after smelting is flat, the pit is smaller, and the utilization rate of the residual electrode after smelting is improved.
It should be understood that the foregoing detailed description of the present invention is provided for illustration only and is not limited to the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention may be modified or substituted for the same technical effects; as long as the use requirement is met, the invention is within the protection scope of the invention.
Claims (9)
1. The utility model provides a vacuum shell furnace copper crucible current sharing draws electric installation, includes lead electric axle (1) of crucible (5) and crucible (5) both sides, its characterized in that: the end part of the electricity guiding shaft (1) is connected with an electricity guiding ring (10) through an electricity guiding flange (9), a shell (13) is arranged outside the crucible (5), an annular supporting edge (11) is arranged at the upper end of the shell (13), and an annular pressing edge (4) corresponding to the annular supporting edge (11) is arranged at the upper end of the crucible (5); an electricity receiving ring (15) is arranged between the annular pressing edge (4) and the annular supporting edge (11), and the electricity receiving ring (15) is electrically connected with the electricity guiding ring (10).
2. The copper crucible current equalizing and guiding device of the vacuum skull furnace of claim 1, wherein: the annular pressing edge (4), the annular supporting edge (11) and the electricity receiving ring (15) are integrally connected through a plurality of groups of connecting bolt assemblies.
3. The copper crucible current equalizing and guiding device of the vacuum skull furnace of claim 1, wherein: the shell (13) is provided with a connecting body (12), and two ends of the connecting body (12) are connected with a supporting tube (2) through flange assemblies; the electricity guiding shaft (1) is arranged in the supporting tube (2), and the electricity guiding ring (10) and the electricity guiding flange (9) are fixed between the flange components.
4. A copper crucible current sharing and electricity guiding device of a vacuum skull furnace according to claim 3, which is characterized in that: the flange assembly comprises a first flange (3) arranged at the end part of the supporting tube (2) and a second flange (14) arranged on the connecting body (12), the electricity guiding ring (10) and the electricity guiding flange (9) are arranged between the first flange (3) and the second flange (14), and the first flange (3), the second flange (14), the electricity guiding flange (9) and the electricity guiding ring (10) are integrally connected through a plurality of groups of connecting bolt assemblies.
5. The copper crucible current equalizing and guiding device of the vacuum skull furnace of claim 1, wherein: the electric guiding ring (10) comprises an annular body, the annular body is attached to an electric guiding flange (9) of the electric guiding shaft (1), an electric connecting vertical plate (8) is arranged on the side of the annular body, an electric connecting transverse plate (7) is arranged on the electric connecting vertical plate (8) in a welding mode, an electric connecting plate (6) is arranged on the side of the electric connecting ring (15), and the electric connecting plate (6) is connected with the electric connecting transverse plate (7) in a surface contact mode.
6. The copper crucible current sharing and electricity guiding device of the vacuum skull furnace of claim 5, wherein: the side connection electric plate (6) and the electric connection transverse plate (7) are connected into a whole through a plurality of groups of connecting bolt assemblies.
7. The copper crucible current sharing and electricity guiding device of the vacuum skull furnace of claim 5, wherein: the side electric plates (6) are arranged on two sides of the electric ring (15), and the included angle between the axes of the two side electric plates (6) is 180 degrees.
8. The copper crucible current equalizing and guiding device of the vacuum skull furnace of claim 1, wherein: the power-on shaft (1), the power-on ring (10), the power-on ring (15) and the connection structure between the power-on ring (10) and the power-on ring (15) are made of copper materials.
9. The copper crucible current equalizing and guiding device of the vacuum skull furnace of claim 1, wherein: the height of the electricity guiding shaft (1) corresponds to the middle part of the crucible (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310566184.7A CN116336804A (en) | 2023-05-19 | 2023-05-19 | Copper crucible current equalizing and electricity guiding device of vacuum skull furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310566184.7A CN116336804A (en) | 2023-05-19 | 2023-05-19 | Copper crucible current equalizing and electricity guiding device of vacuum skull furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116336804A true CN116336804A (en) | 2023-06-27 |
Family
ID=86891515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310566184.7A Pending CN116336804A (en) | 2023-05-19 | 2023-05-19 | Copper crucible current equalizing and electricity guiding device of vacuum skull furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116336804A (en) |
-
2023
- 2023-05-19 CN CN202310566184.7A patent/CN116336804A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108707929B (en) | Anode steel claw guide rod group | |
| CN220103724U (en) | Copper crucible current equalizing and electricity guiding device of vacuum skull furnace | |
| CN116336804A (en) | Copper crucible current equalizing and electricity guiding device of vacuum skull furnace | |
| CN206061199U (en) | Can be shelled self-baking electrode and smelting furnace | |
| CN102296326B (en) | Magnetic shielding aluminum electrolytic cell | |
| CN203462142U (en) | Novel aluminum electrolytic anode steel claw | |
| CN207676990U (en) | The bindiny mechanism of a kind of collector and pole and the battery with the bindiny mechanism | |
| CN203148191U (en) | Low-impedance energy-saving composite conductive transverse arm | |
| CN213067035U (en) | Scrap steel preheating type electric arc furnace | |
| CN210296527U (en) | Composite electrode with quickly replaced electrode | |
| CN204825067U (en) | Adopt novel aluminium electroloysis positive pole steel claw of super cross -section welded | |
| CN219385212U (en) | Composite anode device for direct-current ladle furnace | |
| CN101674688A (en) | Composite self-baking electrode used for large silicon metal furnace and manufacturing process thereof | |
| CN201434583Y (en) | Insulation connection structure between conductive cross arm of electric arc furnace and electrode lifting column | |
| CN204885285U (en) | Go up electrode installation mechanism | |
| CN210292862U (en) | Improved generation rapid hardening stove electrode structure | |
| CN217781248U (en) | Protection shield device of electroslag furnace | |
| CN219589405U (en) | Rotary lifting furnace end of vacuum consumable electrode arc furnace | |
| CN220352258U (en) | Bus connecting device used between electrolytic cells | |
| CN219535095U (en) | Mobile short-circuit device | |
| CN220896876U (en) | Electrode assembly for submerged arc furnace | |
| CN202168239U (en) | Electrode gripping head for metallurgical electric furnace | |
| CN203629278U (en) | Electric-arc furnace assembly of steel mill | |
| CN218939421U (en) | Saturation reactor | |
| CN88202223U (en) | Electrode feeding device for mining heating furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |