CN201224768Y - Middle convergent flow type aluminum cell cathode device - Google Patents
Middle convergent flow type aluminum cell cathode device Download PDFInfo
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- CN201224768Y CN201224768Y CNU2008201309116U CN200820130911U CN201224768Y CN 201224768 Y CN201224768 Y CN 201224768Y CN U2008201309116 U CNU2008201309116 U CN U2008201309116U CN 200820130911 U CN200820130911 U CN 200820130911U CN 201224768 Y CN201224768 Y CN 201224768Y
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- pot shell
- groove
- electrolytic cell
- collector bar
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Abstract
The utility model discloses an intermediate-confluence-type aluminum reduction cell cathode assembly comprising a molten pool part and a cathode electrode part, wherein the molten pool part comprises a groove shell and fire-resistant insulation materials arranged inside the groove shell; the groove shell is positioned at a groove shell supporting frame; the groove shell supporting frame is supported by a rest pier; the cathode electrode part comprises a cathode carbon block and at least one cathode conductive rod which is arranged at the lower part of the cathode carbon block horizontally; at least one vertical conductive rod is positioned at the lower part of the cathode conductive rod; the vertical conductive rod is run through the groove shell vertically and is connected with a flexible busbar; the lower part of the flexible busbar is connected with a cathode electrical busbar to form a current path. The utility model has the beneficial effects that: horizontal current will not exist inside the groove shell of the utility model without the generation of upward electromagnetic force; the aluminum liquid layer is smooth, and the current efficiency can be improved greatly; the primary aluminum production will be increased with energy saving; the horizontal current outside the groove will not affect the liquid layer inside the groove because of the magnetic shielding of steeliness groove shell.
Description
Technical field
The utility model relates to a kind of structure of aluminium electrolytic cell cathode, and particularly a kind of middle convergent current type aluminium electrolytic cell cathode device belongs to technical field of aluminum electrolysis.
Background technology
Current electrolysis aluminium industrial production goes out electric mode with its negative electrode of electrolyzer and is horizontal versions, be the anode of electric current from upper part of the electrolytic cell, vertically enter the negative electrode that is positioned at the bottom, then in the pot shell of steel, conduct electricity rod iron from electrolyzer both sides derived current by level, be the both sides convergent current types, the problem of Cun Zaiing has like this:
1, electrolyzer passes through hundreds thousand of amperes powerful electric current, can produce strong magnetic field, studies show that at present, the electromagnetic force that melt layer vertical magnetic field and horizontal current effect produce is the principal element that causes melt flow fluctuation and current efficiency to reduce, and is the big factor that the current electrolytic aluminum industrial production technology index of restriction further improves.And present electrolyzer is all derived in the steel pot shell in a horizontal manner owing to whole electric currents, and the detrimentally affect of its generation is unavoidable.
2, because existing electrolyzer employing level goes out electricity from both sides, be solution magnetic field problem and current balance type problem, serial loop busbar complexity, circuit is long, and power consumption is big.
Though available data shows the existing cathode structure of aluminium cell that vertically goes out electricity, but it also is not applied to Aluminium Electrolysis, and major cause is that its difficulty of construction is big, complex process, the brickwork gordian technique also fails to make a breakthrough, and makes this technology distance practical application also have certain distance.
Summary of the invention
The purpose of this utility model is: overcome the defective of prior art, the middle convergent current type aluminium electrolytic cell cathode conductor construction that a kind of modern design is provided, constructs simply, utilize existing operating technique can realize and can enhance productivity.
The purpose of this utility model is achieved through the following technical solutions:
The utility model comprises molten bath part and cathode electrode part, wherein, the molten bath part comprises pot shell and is arranged on the interior flame-proof thermal insulation material of pot shell, pot shell is installed on the pot shell bracing frame, the pot shell bracing frame is supported by buttress, above-mentioned cathode electrode partly comprises cathode carbon pieces and at least one cathode collector bar of arranged transversely below cathode carbon pieces, be provided with at least one vertical conduction rod in the bottom of cathode collector bar, the vertical conduction rod vertically passes pot shell and is connected with soft bus, the lower end of soft bus is connected with the negative electrode power outlet mother wire, forms current path.
Bottom at cathode carbon pieces has groove, and the width of above-mentioned groove is greater than the thickness of cathode collector bar, and cathode collector bar is positioned at this groove.
Above-mentioned cathode collector bar is flat electrical conductor, filling fire resisting material between the adjacent cathode collector bar.
The bottom of above-mentioned pot shell has the hole of vertically passing for the vertical conduction rod, matches with the external diameter of vertical conduction rod in the aperture; Sleeve is installed on the hole, and filling is provided with fire-resistant stopping composition between sleeve and vertical conduction rod.
In the contact position of vertical conduction rod, be stained with insulating material with pot shell.
Above-mentioned negative electrode power outlet mother wire is arranged on the bus buttress.
Above-mentioned flame-proof thermal insulation material comprises fire brick layer and the refractory materials that is positioned at the pot shell bottom, and refractory materials is positioned at the top of fire brick layer; And the end of both sides, cathode carbon pieces 3 is built lateral lining by laying bricks or stones above refractory materials.
Positive beneficial effect of the present utility model:
1, there is not horizontal current in the utility model pot shell, do not produce electromagnetic force upwards, make the aluminium liquid layer steady, can increase substantially current efficiency, increase primary aluminum output, save electric energy, and the outer horizontal current of groove can not have influence on liquid level in the groove owing to be subjected to the magnetic shielding of steel pot shell.
2, the utility model can be simplified the busbar arrangement of aluminium cell in a large number owing to having solved the aluminium liquid problem that fluctuation occurs producing affected by magnetic fields, saves a large amount of aluminiums.
3, the utility model can be simplified production specifications owing to solved liquid conduction layer problem affected by magnetic fields, enhances productivity, and reduces productive expense.
4, the utility model is simple in structure, and material is saved in easy construction, and long service life has good society and economic benefit.
Description of drawings
Fig. 1 is the transverse cross-sectional view of the utility model cathode construction;
Fig. 2 is the longitudinal sectional drawing of the utility model cathode construction.
Embodiment
As shown in Figure 1 and Figure 2, the utility model comprises molten bath part and cathode electrode part, wherein, the molten bath part comprises pot shell 1 and is installed in flame-proof thermal insulation material in the pot shell 1, above-mentioned flame-proof thermal insulation material comprises fire brick layer 7 and the refractory materials 6 that is positioned at pot shell 1 bottom, and refractory materials 6 is positioned at the top of fire brick layer 7; And the end of both sides, cathode carbon pieces 3 is built lateral lining 2 by laying bricks or stones above refractory materials 6.Pot shell 1 is installed on the pot shell bracing frame 5, and pot shell bracing frame 5 is supported by buttress 12.
Above-mentioned cathode electrode partly comprises cathode carbon pieces 3 and at least one cathode collector bar 4 of arranged transversely below cathode carbon pieces 3.The bottom of cathode carbon pieces 3 has groove, and the width of groove is greater than the thickness of cathode collector bar 4.By making firm by ramming in the groove that is installed to cathode carbon pieces 3, the one side that requires cathode collector bar 4 is with concordant above the groove of cathode carbon pieces 3 cathode collector bar 4 usefulness carbon pastes.Perhaps earlier cathode collector bar 4 is put into the groove of cathode carbon pieces 3, on one side suitable for reading concordant with groove, other three and groove keep certain slit, and the liquid metal of casting in the slit generally adopts iron.Cathode collector bar 4 is flat electrical conductor, filling fire resisting material between the adjacent cathode collector bar 4.
Be provided with at least one vertical conduction rod 10 in the bottom of cathode collector bar 4, and vertical conduction rod 10 is vertical with cathode collector bar 4.Cathode collector bar 4 and vertical conduction rod 10 also can be made of one, to reduce the resistance of welding position.Vertical conduction rod 10 vertically passes pot shell 1 and is connected with soft bus 11, and the lower end of soft bus 11 is connected with negative electrode power outlet mother wire 13, forms current path, and negative electrode power outlet mother wire 13 is supported by bus buttress 14.
The bottom of pot shell 1 has the hole of vertically passing for vertical conduction rod 10, matches with the external diameter of vertical conduction rod 10 in the aperture; The edge of mating holes is equipped with sleeve 8, requires firm welding, vertical, and the upper end of sleeve 8 is concordant or lower slightly with the bottom surface of cathode collector bar 4.And between sleeve 8 and vertical conduction rod 10, fill and be provided with fire-resistant stopping composition 9.Below the bottom surface of pot shell 1, from successively up making fire-resistant stopping composition 9 firm by ramming down, make fire-resistant stopping composition 9 and concordant the getting final product of lateral lining 2 bottom surfaces firm by ramming, in order to strengthen sealing effectiveness, can be stained with insulating material 15 on every side with contacting of pot shell 1 at vertical conduction rod 10.
After the utility model preparation is finished, build fire brick layer 7 and refractory materials 6 surfacings by laying bricks or stones in pot shell 1 bottom, simultaneously the cathode carbon pieces 3, cathode collector bar 4, the vertical conduction rod 10 that are installed to one are installed in the pot shell 1, vertical conduction rod 10 is inserted in the sleeve 8, and with sleeve 8 inside around keep uniform slit, 3 bottom surface combines with the top of refractory materials 6, and the upper surface of every group of cathode carbon pieces 3 is concordant.
Claims (7)
1, convergent current type aluminium electrolytic cell cathode device in the middle of a kind of, comprise molten bath part and cathode electrode part, wherein, the molten bath part comprises pot shell (1) and is arranged on the interior flame-proof thermal insulation material of pot shell (1), pot shell (1) is installed on the pot shell bracing frame (5), pot shell bracing frame (5) is supported by buttress (12), it is characterized in that: described cathode electrode partly comprises cathode carbon pieces (3) and at least one cathode collector bar (4) of cathode carbon pieces (3) below arranged transversely, be provided with at least one vertical conduction rod (10) in the bottom of cathode collector bar (4), vertical conduction rod (10) vertically passes pot shell (1) and is connected with soft bus (11), the lower end of soft bus (11) is connected with negative electrode power outlet mother wire (13), forms current path.
2, middle convergent current type aluminium electrolytic cell cathode device according to claim 1, it is characterized in that: the bottom at cathode carbon pieces (3) has groove, and the width of described groove is greater than the thickness of cathode collector bar (4), and cathode collector bar (4) is positioned at this groove.
3, middle convergent current type aluminium electrolytic cell cathode device according to claim 1 and 2, it is characterized in that: described cathode collector bar (4) is flat electrical conductor, and adjacent cathode collector bar is filled with refractory materials between (4).
4, middle convergent current type aluminium electrolytic cell cathode device according to claim 1, it is characterized in that: the bottom of described pot shell (1) has the hole of vertically passing for vertical conduction rod (10), matches with the external diameter of vertical conduction rod (10) in the aperture; Sleeve (8) is installed on the hole, and filling is provided with fire-resistant stopping composition (9) between sleeve (8) and vertical conduction rod (10).
5, according to claim 1 or 4 described middle convergent current type aluminium electrolytic cell cathode devices, it is characterized in that:, be stained with insulating material (15) in the contact position of vertical conduction rod (10) with pot shell (1).
6, middle convergent current type aluminium electrolytic cell cathode device according to claim 1, it is characterized in that: described negative electrode power outlet mother wire (13) is arranged on the bus buttress (14).
7, middle convergent current type aluminium electrolytic cell cathode device according to claim 1, it is characterized in that: described flame-proof thermal insulation material comprises fire brick layer (7) and the refractory materials (6) that is positioned at pot shell (1) bottom, and refractory materials (6) is positioned at the top of fire brick layer (7); And the end at both sides, refractory materials (6) top, cathode carbon pieces (3) is built lateral lining (2) by laying bricks or stones.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201309116U CN201224768Y (en) | 2008-02-18 | 2008-07-08 | Middle convergent flow type aluminum cell cathode device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810049239 | 2008-02-18 | ||
| CN200810049239.2 | 2008-02-18 | ||
| CNU2008201309116U CN201224768Y (en) | 2008-02-18 | 2008-07-08 | Middle convergent flow type aluminum cell cathode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201224768Y true CN201224768Y (en) | 2009-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201309116U Expired - Fee Related CN201224768Y (en) | 2008-02-18 | 2008-07-08 | Middle convergent flow type aluminum cell cathode device |
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| CN (1) | CN201224768Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838824A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Novel cathode liner structure with large-scale pre-baked aluminum electrolysis cell |
| CN102296326A (en) * | 2011-06-07 | 2011-12-28 | 河南中孚实业股份有限公司 | Magnetic shielding aluminum electrolytic cell |
| CN103822488A (en) * | 2012-11-19 | 2014-05-28 | 江苏华东炉业有限公司 | Novel welding-free electricity conducting rod for heating furnace |
| CN104884678A (en) * | 2012-12-21 | 2015-09-02 | 俄罗斯工程技术中心 | Aluminium electrolysis cell cathode shunt design |
-
2008
- 2008-07-08 CN CNU2008201309116U patent/CN201224768Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838824A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Novel cathode liner structure with large-scale pre-baked aluminum electrolysis cell |
| CN102296326A (en) * | 2011-06-07 | 2011-12-28 | 河南中孚实业股份有限公司 | Magnetic shielding aluminum electrolytic cell |
| CN102296326B (en) * | 2011-06-07 | 2014-03-12 | 河南中孚实业股份有限公司 | Magnetic shielding aluminum electrolytic cell |
| CN103822488A (en) * | 2012-11-19 | 2014-05-28 | 江苏华东炉业有限公司 | Novel welding-free electricity conducting rod for heating furnace |
| CN103822488B (en) * | 2012-11-19 | 2016-05-18 | 江苏华东炉业有限公司 | A kind of Novel non-welding heating furnace contact rod |
| CN104884678A (en) * | 2012-12-21 | 2015-09-02 | 俄罗斯工程技术中心 | Aluminium electrolysis cell cathode shunt design |
| CN104884678B (en) * | 2012-12-21 | 2017-04-05 | 俄铝工程技术中心有限责任公司 | Aluminium electrolytic cell cathode diversion structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20120708 |