CN201793764U - Cathode structure of aluminium electrolytic cell - Google Patents
Cathode structure of aluminium electrolytic cell Download PDFInfo
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- CN201793764U CN201793764U CN2010205625069U CN201020562506U CN201793764U CN 201793764 U CN201793764 U CN 201793764U CN 2010205625069 U CN2010205625069 U CN 2010205625069U CN 201020562506 U CN201020562506 U CN 201020562506U CN 201793764 U CN201793764 U CN 201793764U
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Abstract
The utility model relates to a cathode structure of an aluminium electrolytic cell, comprising cathode carbon blocks, a cathode steel bar and cathode ramming paste, wherein the cathode carbon blocks are arranged abreast in longitudinal direction, a break joint with certain spacing is reserved between adjacent cathode carbon blocks, the break joints among the cathode carbon blocks are filled with and rammed by cathode ramming paste, the upper end of the cathode carbon blocks are chamfered along the longitudinal direction, the upper parts of the vertical cross section on the chamfered cathode carbon blocks are trapezoidal, horizontal grooves are arranged at the tops of the cathode carbon blocks, and the height of the trapezoid is equal to the depth of the horizontal groove. Due to the adoption of the aluminium electrolytic cell with the cathode structure, the horizontal current in aluminium liquid is greatly reduced, the current density of the cathode carbon blocks and the cathode steel bar is more uniform, the magnetic distribution of the cathode carbon blocks and the cathode steel bar is more uniform, and the flow rate and the fluctuation range of the aluminium liquid are effectively slowed down.
Description
One, technical field
The utility model relates to the specially-shaped cathode carbon piece of a kind of cathode structure of aluminium cell, particularly a kind of aluminium cell.
Two, background technology
At present, the refinement of industrial aluminium mainly is the method production of sodium aluminum fluoride-alumina molten salt electrolysis, its specific equipment is lined with the electrolyzer of carbonaceous material in being, between the steel casing of this type of electrolyzer and the carbon lining refractory materials and insulating brick, the carbon lining of electrolyzer is generally built by laying bricks or stones by the hard coal with anti-preferably sodium salt and potential resistance to electrolyte contamination corrosive nature or graphite material or the made carbon brick of both mixtures and is formed, and the carbon paste made from carbon materials between charcoal piece and charcoal piece is made firm by ramming.
Adopt in the cathode block bottom of the cathode construction of existing aluminium cell offered groove and cathode steel bar is housed more, cathode block vertically is emitted on bottom of electrolytic tank, cathode block is that the upper end of regular rectangular parallelepiped or cathode block is a convex, and the break joint of certain distance is arranged between cathode block and the cathode block.A kind of novel aluminum cell is disclosed as Chinese patent CN201416037Y, the cathode construction of this electrolyzer comprises pot shell and liner, distance between the cathode block of liner is widened, this break joint is filled with pricking solid material, the height of pricking solid material is lower than the height of cathode block and makes and occur groove between the cathode block, the cathode construction of this aluminium cell can make aluminium liquid flow in the groove, but the cathode surface each point is very big apart from difference to cathode steel bar, current density and magnetic field distribution are inhomogeneous in the electrolytic process, have a strong impact on current efficiency.Chinese patent ZL200710010523.4 discloses a kind of specially-shaped cathode carbon block structure electrolyzer for another example, this cathode block upper surface forms plural projection, smash paste with carbon element between the cathode block and fill the formation groove, can reach the effect that slows down flow rate of aluminium liquid and fluctuating range, equally, its cathode surface each point is very big apart from difference to cathode steel bar, and current density and magnetic field distribution are inhomogeneous in the electrolytic process, have a strong impact on current efficiency.Therefore, design electrolyzer and the cathode construction thereof that a kind of comprehensive energy consumption is lower, efficient is higher and be urgent need.
Three, utility model content
Technical problem to be solved in the utility model is: provide a kind of and can reduce horizontal current in the aluminium liquid greatly, make cathode block and the cathode steel bar current density is more even, more even, the novel cathode structure that can effectively slow down the aluminium cell of flow rate of aluminium liquid and the moving amplitude of aluminium fluid wave of Distribution of Magnetic Field in cathode block and the cathode steel bar; Simultaneously, this novel cathode structure aluminium cell can improve the stability of electrolysis of aluminum greatly, has prolonged the work-ing life of electrolyzer greatly.
For solving the problems of the technologies described above, concrete scheme of the present utility model is: a kind of cathode structure of aluminium cell, comprise that lateral lining, cathode block, cathode steel bar and negative electrode smash paste, cathode block is discharging side by side longitudinally, stay break joint at regular intervals between the adjacent cathode block, break joint between the cathode block is smash to stick with paste to fill with negative electrode and is pricked admittedly, described cathode block upper end edge vertically is a chamfering, cathode block vertical cross-section top after the chamfering is trapezoidal, the cathode block top offers transverse concave groove, described trapezoidal height and transverse concave groove deep equality.Like this, cathode block is longitudinally placed side by side, and leaves certain break joint, use negative electrode to smash paste break joint is filled, the height that negative electrode is smash paste is lower than the height of cathode block upper surface, like this, formed groove between the adjacent cathode block, groove can slow down flow rate of aluminium liquid and the moving amplitude of aluminium fluid wave; Chamfering is longitudinally passed through in the cathode block upper end, and perhaps both sides, cathode block upper end are symmetrical chamfering, and like this, the groove that forms between the cathode block is the dovetail groove that falls of opened type, and it is more obvious to slow down the moving effect of flow rate of aluminium liquid and aluminium fluid wave; Top at cathode block offers transverse concave groove, helps the outflow of aluminium liquid; When the degree of depth of dovetail groove and transverse concave groove was consistent, this crisscross and groove that the degree of depth is consistent can significantly reduce horizontal current in the aluminium liquid, reduces pole span greatly, and guarantees that aluminium liquid flows out rapidly.
The utility model is that also described chamfering is symmetrical chamfering.Like this, make the dovetail groove width on electric tank cathode surface equate.
The utility model also be described chamfering for the vertical chamfering that becomes 30 °, 45 ° or 60 °.The chamfering of different obliquitys causes the unlimited degree of dovetail groove different, thereby according to the size of grooved, different unlimited degree can cause the flow velocity of aluminium liquid in the electrolytic process to slow down, and electric current distribution is even.
The utility model is that also described transverse concave groove is rectangular tank or dovetail groove or deep-slotted chip breaker.Like this, can select the shape of cathode block top groove as required, and each grooved all has its unique beneficial effect, when groove is rectangular tank, when the filling synthetic graphite is broken, can accomplish more smooth, transverse current distribution and Distribution of Magnetic Field are unaffected, when groove was dovetail groove, it intersected mutually with dovetail groove longitudinally, makes the negative electrode upper surface of electrolyzer form crisscross dovetail groove net, can effectively extenuate the flow velocity of aluminium liquid, change the fluidised form of aluminium liquid, become turbulent flow and be laminar flow, slow down the fluctuation of interior ionogen of groove and aluminium liquid, thereby reduce pole span and groove pressure drop, realize energy-saving and cost-reducing.
The utility model also is rectangular or trapezoidal or the semicircle or camber line shape in the cross section top of described cathode steel bar.Can guarantee that like this cathode block upper surface is tending towards equal to the distance of rod iron, makes electric current and Distribution of Magnetic Field even.
After the utility model was that also described cathode block longitudinally discharges side by side, the relative chamfering of adjacent cathode block was smash to stick with paste with the negative electrode of filling the cathode block break joint and is constituted dovetail groove.
The utility model also is described dovetail groove and transverse concave groove quadrature.Like this, the vertical and horizontal groove of mutually orthogonal can make the flow velocity of aluminium liquid in the electrolysis slow down, and become turbulent flow and be laminar flow, and it is regular, more handy to flow.
The utility model also is described dovetail groove and transverse concave groove deep equality.
The utility model is that also described trapezoidal height is 20～180mm, and the described transverse concave groove degree of depth is 20～180mm.
The utility model is that also described cathode block break joint width is 20～40mm.
A kind of cathode structure of aluminium cell that the utility model provides, and the novel aluminum cell of this cathode construction that adopts also have following beneficial effect:
1, the horizontal current in the minimizing aluminium liquid;
2, improve distribution of current density and DISTRIBUTION OF MAGNETIC FIELD in aluminium liquid, cathode block and the cathode steel bar, make electric current distribution more even, Distribution of Magnetic Field is more even.
3, can significantly reduce the stress that aluminium liquid is produced because of the action of a magnetic field, thereby effectively extenuate flow rate of aluminium liquid, and change the fluidised form of aluminium liquid, become turbulent flow and be laminar flow, slowed down the fluctuating range of interior ionogen of groove and aluminium liquid, thereby reduced pole span and bath voltage, made bath voltage reduce 500mV～900mV.
4, can realize that ton aluminium direct current consumption reduces by 1100～1300Kwh, ton aluminium direct current consumption is reduced to 10500～11800Kwh.
Four, description of drawings
Fig. 1 is the vertical cross-section synoptic diagram of aluminium cell.
Fig. 2, Fig. 6, Fig. 7 are the vertical vertical section synoptic diagram of aluminium cell.
Fig. 3 is the stereographic map of cathode block.
Fig. 4, Fig. 5 are cathode block vertical cross-section synoptic diagram.
Among the figure, 1, cathode block, 2, cathode steel bar, 3, negative electrode smashes paste, 4, break joint, 5, chamfering, 6, transverse concave groove, 7, fall dovetail groove
Five, embodiment
Below in conjunction with the drawings and specific embodiments the utility model is made detailed explanation.
Embodiment 1:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, described trapezoidal height and transverse concave groove 6 deep equalities.As shown in Figure 1, electrolyzer is made of pot shell, lateral lining, bottom liner etc., the bottom liner comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash and sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal.As Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, cathode block 1 top offers transverse concave groove 6.As shown in Figure 3, described trapezoidal height and transverse concave groove 6 deep equalities.
Embodiment 2:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, described cathode block 1 upper end edge vertically is a chamfering 5, described chamfering 5 is symmetrical chamfering, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, described trapezoidal height and transverse concave groove 6 deep equalities.As shown in Figure 1, electrolyzer is made of pot shell, lateral lining, bottom liner etc., the bottom liner comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash and sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal.As Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, cathode block 1 top offers transverse concave groove 6.As shown in Figure 3, described trapezoidal height and transverse concave groove 6 deep equalities.As Fig. 1, shown in Figure 3, described chamfering 5 is symmetrical chamfering.
Embodiment 3:
A kind of cathode structure of aluminium cell, its cathode block 1 upper end edge vertically is a chamfering 5, and described chamfering 5 is symmetrical chamfering, and chamfering is and the vertical chamfering that becomes 30 °.As shown in Figure 1, the chamfering 5 of cathode block 1 is and the vertical chamfering that becomes 30 °.
Embodiment 4:
A kind of cathode structure of aluminium cell, its cathode block 1 upper end edge vertically is a chamfering 5, and described chamfering 5 is symmetrical chamfering, and chamfering is and vertical chamfering at 45.As shown in Figure 4, the chamfering 5 of cathode block 1 is and vertical chamfering at 45.
Embodiment 5:
A kind of cathode structure of aluminium cell, its cathode block 1 upper end edge vertically is a chamfering 5, and described chamfering 5 is symmetrical chamfering, and chamfering 5 is and the vertical chamfering that becomes 60 °.As shown in Figure 5, the chamfering 5 of cathode block 1 is and the vertical chamfering that becomes 60 °.
Embodiment 6:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, described transverse concave groove 6 is a rectangular tank, described trapezoidal height and transverse concave groove 6 deep equalities.As shown in Figure 1, electrolyzer is made of pot shell, lateral lining, bottom liner etc., the bottom liner comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash and sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal.As Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, cathode block 1 top offers transverse concave groove 6.As Fig. 2, shown in Figure 3, transverse concave groove 6 is a rectangular tank.As shown in Figure 3, described trapezoidal height and transverse concave groove 6 deep equalities.
Embodiment 7:
A kind of cathode structure of aluminium cell, its cathode block 1 top offers transverse concave groove 6, and described transverse concave groove 6 is a dovetail groove.As shown in Figure 7, transverse concave groove 6 is a dovetail groove.
Embodiment 8:
A kind of cathode structure of aluminium cell, its cathode block 1 top offers transverse concave groove 6, and described transverse concave groove 6 is a deep-slotted chip breaker.As shown in Figure 6, transverse concave groove 6 is a deep-slotted chip breaker.
Embodiment 9:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that the shape of cross section of its cathode steel bar 2 is rectangular.As Fig. 1, shown in Figure 3, the shape of cross section of cathode steel bar 2 is rectangular.
Embodiment 10:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that the cross section shaped upper part of its cathode steel bar 2 is camber line shape.As shown in Figure 4, the cross section shaped upper part of cathode steel bar 2 is camber line shape.
Embodiment 11:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that the cross section shaped upper part of its cathode steel bar 2 is trapezoidal.As shown in Figure 5, the cross section shaped upper part of cathode steel bar 2 is trapezoidal.
Embodiment 12:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3, and described cathode block 1 is longitudinally side by side after the discharging, and the relative chamfering 5 of adjacent cathode block 1 and the negative electrode of filling cathode block break joint 4 are smash and stuck with paste 3 and constitute and fall dovetail groove.As Fig. 1, shown in Figure 3, the groove between the adjacent cathode block 1 is for falling dovetail groove.
Embodiment 13:
A kind of cathode structure of aluminium cell, comprise cathode block 1, cathode steel bar 2 and negative electrode are smash and are stuck with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, after described cathode block 1 longitudinally discharges side by side, the relative chamfering 5 of adjacent cathode block 1 is smash with the negative electrode of filling cathode block break joint 4 and is stuck with paste dovetail groove of 3 formations, cathode block 1 top offers transverse concave groove 6, described trapezoidal height and transverse concave groove 6 deep equalities, described dovetail groove and transverse concave groove 6 quadratures.As shown in Figure 1, electrolyzer is made of pot shell, lateral lining, bottom liner etc., the bottom liner comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash and sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal.As Fig. 2, Fig. 3, Fig. 6, shown in Figure 7, cathode block 1 top offers transverse concave groove 6.As shown in Figure 3, described trapezoidal height and transverse concave groove 6 deep equalities, described dovetail groove and transverse concave groove 6 quadratures.
Embodiment 14:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, cathode block 1 is discharging side by side longitudinally, stay break joint 4 at regular intervals between the adjacent cathode block 1, break joint 4 usefulness negative electrodes between the cathode block 1 are smash and are stuck with paste 3 filling bundles admittedly, and described cathode block 1 upper end edge is a chamfering 5 vertically, and the cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 20mm.
Embodiment 15:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 50mm.
Embodiment 16:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 80mm.
Embodiment 17:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 100mm.
Embodiment 18:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 120mm.
Embodiment 19:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 150mm.
Embodiment 20:
A kind of cathode structure of aluminium cell, comprising that cathode block 1, cathode steel bar 2 and negative electrode are smash sticks with paste 3, described cathode block 1 upper end edge vertically is a chamfering 5, cathode block 1 vertical cross-section top after the chamfering is trapezoidal, cathode block 1 top offers transverse concave groove 6, and the degree of depth of described trapezoid height and transverse concave groove is 180mm.
Embodiment 21:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that cathode block 1 is discharging side by side longitudinally, stays break joint 4 at regular intervals between the adjacent cathode block 1, and described break joint width is 20mm.
Embodiment 22:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that cathode block 1 is discharging side by side longitudinally, stays break joint 4 at regular intervals between the adjacent cathode block 1, and described break joint width is 30mm.
Embodiment 23:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that cathode block 1 is discharging side by side longitudinally, stays break joint 4 at regular intervals between the adjacent cathode block 1, and described break joint width is 35mm.
Embodiment 24:
A kind of cathode structure of aluminium cell comprises that cathode block 1, cathode steel bar 2 and negative electrode are smash to stick with paste 3 that cathode block 1 is discharging side by side longitudinally, stays break joint 4 at regular intervals between the adjacent cathode block 1, and described break joint width is 40mm.
Claims (10)
1. cathode structure of aluminium cell, comprise that cathode block, cathode steel bar and negative electrode smash paste, cathode block is discharging side by side longitudinally, stay break joint at regular intervals between the adjacent cathode block, the break joint between the cathode block is smash to stick with paste to fill with negative electrode and is pricked admittedly, it is characterized in that, described cathode block upper end edge vertically is a chamfering, cathode block vertical cross-section top after the chamfering is trapezoidal, and the cathode block top offers transverse concave groove, described trapezoidal height and transverse concave groove deep equality.
2. a kind of cathode structure of aluminium cell according to claim 1 is characterized in that, described chamfering is symmetrical chamfering.
3. a kind of cathode structure of aluminium cell according to claim 2 is characterized in that, described chamfering is and the vertical chamfering that becomes 30 °, 45 ° or 60 °.
4. a kind of cathode structure of aluminium cell according to claim 1 is characterized in that, described transverse concave groove is rectangular tank or dovetail groove or deep-slotted chip breaker.
5. a kind of cathode structure of aluminium cell according to claim 1 is characterized in that, rectangular or trapezoidal or the semicircle or camber line shape in the cross section top of described cathode steel bar.
6. a kind of cathode structure of aluminium cell according to claim 1 is characterized in that, after described cathode block longitudinally discharged side by side, the relative chamfering of adjacent cathode block was smash to stick with paste with the negative electrode of filling the cathode block break joint and constituted dovetail groove.
7. a kind of cathode structure of aluminium cell according to claim 6 is characterized in that, described dovetail groove and transverse concave groove quadrature.
8. a kind of cathode structure of aluminium cell according to claim 7 is characterized in that, described dovetail groove and transverse concave groove deep equality.
9. according to the described a kind of cathode structure of aluminium cell of arbitrary claim in the claim 1 to 8, it is characterized in that described trapezoidal height is 20～180mm, the described transverse concave groove degree of depth is 20～180mm.
10. according to the described a kind of cathode structure of aluminium cell of arbitrary claim in the claim 1 to 8, it is characterized in that described cathode block break joint width is 20～40mm.
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| CN2010205625069U CN201793764U (en) | 2010-09-30 | 2010-09-30 | Cathode structure of aluminium electrolytic cell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020072541A1 (en) * | 2018-10-03 | 2020-04-09 | Alcoa Usa Corp. | Systems and methods of electrolytic production of aluminum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020072541A1 (en) * | 2018-10-03 | 2020-04-09 | Alcoa Usa Corp. | Systems and methods of electrolytic production of aluminum |
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