CN202265611U - Cathode carbon block structure of aluminium electrolysis cell - Google Patents

Cathode carbon block structure of aluminium electrolysis cell Download PDF

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Publication number
CN202265611U
CN202265611U CN2011203988787U CN201120398878U CN202265611U CN 202265611 U CN202265611 U CN 202265611U CN 2011203988787 U CN2011203988787 U CN 2011203988787U CN 201120398878 U CN201120398878 U CN 201120398878U CN 202265611 U CN202265611 U CN 202265611U
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China
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cathode
aluminium
electrolysis cell
block
carbon
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CN2011203988787U
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Chinese (zh)
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高德金
高伟
杨青
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Abstract

The utility model provides a novel cathode carbon block for an aluminium electrolysis cell, which has the characteristic that a molten aluminium layer can exist between the bottom of the cathode carbon block for the aluminium electrolysis cell and a heat preservation anti-leakage layer. The novel cathode carbon block for the aluminium electrolysis cell is mainly applied to construction in a conducting layer of a cathode conductive molten pool of the aluminium electrolysis cell. The novel cathode carbon block is characterized in that a concave-convex platform trough is arranged and constructed at the bottom surface part of the cathode carbon block; and a molten aluminium through hole or groove can be constructed on the cathode carbon block. After the aluminium electrolysis cell formed by the cathode carbon block provided by the utility model is adopted, due to the existence of the molten aluminium layer between the bottom of the cathode carbon block and the heat preservation anti-leakage layer, not only can the electrical conductivity of a cathode electric conductor be improved and the horizontal current of the aluminium electrolysis cell is eliminated, but also the fluctuation of magnetic rotational flow of molten aluminium is inhibited, the height of an electrolysis polar distance is reduced, the voltage drop of a cell bottom structure and the setting of the electrolysis process voltage are reduced, and the energy-saving production of the aluminium electrolysis cell is realized.

Description

A kind of aluminium electrolysis cell cathode carbon block structure
Technical field: a kind of aluminium electrolysis cell cathode carbon block structure, main application is built by laying bricks or stones with the cathode molten pool for aluminum electrolytic cell liner, and the manufacturing of cathode block and production.
Technical background: the structure of existing general aluminium electrolysis cell cathode carbon block has two kinds; A kind of is that upper surface is the cathode block of level; Upper surface has the cathode block of boss when a kind of; These two kinds of cathode blocks have a common feature: promptly the bottom of cathode block is a level, and has the cathode steel bar groove in the bottom of cathode block.Cathode steel bar is arranged in the steel bar trough of cathode block bottom and becomes cathode block rod iron group with cathode block rod iron composite construction; Build bottom, the negative electrode conduction molten bath liner that is built into aluminium cell on the heat-preservation and anti-leakage layer in the aluminium electrolysis cell thorax by laying bricks or stones, the bottom of cathode block does not have aluminium liquid.
Existing general aluminium electrolysis cell cathode carbon block can only be constructed in the cathode block bottom not to be had on the aluminium cell of aluminium liquid, have on the aluminium cell of aluminium liquid and can not be provided with to build by laying bricks or stones in the cathode block bottom, otherwise negative electrode aluminium liquid can fuse cathode steel bar fall.Thoroughly destroy the cathode conductive structure of aluminium cell.
Summary of the invention; The present invention design provide a kind of can the aluminium electrolysis cell cathode carbon block bottom and heat-preservation and anti-leakage layer between have the aluminium liquid layer to exist novel aluminum cell use cathode block, be mainly used in interior the constructing of aluminium electrolytic cell cathode conduction molten bath conductive layer.
A kind of aluminium electrolysis cell cathode carbon block structure is characterized in that; The setting of cathode block bottom surface sections is configured with concavo-convex platform trough, and can on cathode block, be configured with aluminium liquid perforation hole or groove.
According to technique scheme, the cathode block bottom surface sections is provided with groove or the gradient that rises to fovea superior, and the bottom of cathode block is provided with carbon piece brace table.
According to technique scheme, the bottom of its cathode block is provided with the carbon piece support rim of structure, can process structure with the one of carbon piece, also can be divided into two parts and carry out composite construction.
According to technique scheme, the bottom of its cathode block is provided with the carbon piece support rim of structure.One end that can be arranged on the carbon piece also can be arranged on the two ends of carbon piece.
According to technique scheme, the current output terminal cage structure of its cathode block has to conduct electricity with the negative electrode conducting metal and is connected the carbon bowl, and promptly cathode steel bar inserts connecting hole.
According to technique scheme, its cathode block bottom surface sections has the recessed or inclination that makes progress to the electrolyzer center from electrolyzer sidepiece current output terminal.
According to technique scheme, be configured with aluminium liquid on its cathode block and connect hole, its aluminium liquid connects hole horizontal tectonics or vertical configuration on cathode block.
According to technique scheme, the textural structure of its cathode bottom is provided with aluminium liquid and connects groove, and aluminium liquid connects groove horizontal tectonics or vertical configuration on cathode block.
A kind of aluminium electrolysis cell cathode carbon block structure is mainly used in the aluminium electrolytic cell cathode conduction molten bath, and constructing of energy-saving aluminium cell that the aluminium liquid layer exists arranged between cathode block bottom and the heat-preservation and anti-leakage layer.The aluminium cell that adopts cathode block of the present invention to construct; Because the existence of aluminium liquid layer is arranged between the bottom of negative electrode cathode block and the heat-preservation and anti-leakage layer, not only can increase the conductivity of negative electrode electrical conductor, eliminate the horizontal current of aluminium cell; And can also suppress the fluctuation of aluminum liquid magnetic rotational flow; Lower the height of electrolysis pole span, reduce that the bottom land structure voltage falls and the setting of electrolysis process voltage, realize the energy-conservation production of aluminium cell.
Description of drawings
The stereographic map of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 1 the present invention embodiment 1.
The stereographic map of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 2 the present invention embodiment 2.
The stereographic map of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 3 the present invention embodiment 3.
The vertical planning drawing of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 4 the present invention embodiment 4.
Fig. 5 is the side cutaway view of Fig. 4
The vertical planning drawing of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 6 the present invention embodiment 5.
Fig. 7 is the side cutaway view of Fig. 6
The vertical planning drawing of a kind of aluminium electrolysis cell cathode carbon block structure of Fig. 8 the present invention embodiment 6.
Fig. 9 is the side cutaway view of Fig. 8
The vertical planning drawing of a kind of aluminium electrolysis cell cathode carbon block structure of Figure 10 the present invention embodiment 8.
Figure 11 is the side cutaway view of Figure 10
The vertical planning drawing of a kind of aluminium electrolysis cell cathode carbon block structure of Figure 12 the present invention embodiment 9.
Figure 13 is the side cutaway view of Figure 12
Shown in its figure: groove, 4 tilting bottoms, 5 aluminium liquid communicating poress, 6 aluminium liquid through slots, 7 cathode steel bars connection carbon bowl fall for 1 cathode block, 2 support rims, 3 bottoms.
Specific embodiments; The present invention design provide a kind of can the aluminium electrolysis cell cathode carbon block bottom and heat-preservation and anti-leakage layer between have the aluminium liquid layer to have novel aluminum cell cathode carbon piece; Main use with aluminium electrolytic cell cathode conduction molten bath in, constructing of aluminium cell that the aluminium liquid layer exists arranged between cathode block bottom and the heat-preservation and anti-leakage layer.It is characterized in that; The cathode block bottom surface sections is concavo-convex platform trough type structure, and can on cathode block, be configured with aluminium liquid perforation hole or groove.
Embodiment 1; As shown in Figure 1, the top of present embodiment aluminium electrolysis cell cathode carbon block (1) is level, and the two ends, bottom are provided with and are configured with carbon piece support rim (2), and the carbon piece rises to fovea superior in the middle of the bottom, between the two end supports boss, forms groove (a 3) type cathode block bottom; It is horizontal plane that the top (3) of groove is promptly fallen in its carbon piece bottom (4).The current output terminal cage structure of cathode block (1) has carbon bowl (7) or the connecting hole that is connected usefulness with cathode steel bar.
Embodiment 2; As shown in Figure 2, present embodiment and embodiment 1 are basic identical, and its difference is that carbon piece bottom (4) promptly falls the top (3) of groove and be clinoplane.The current output terminal cage structure of cathode block (1) has carbon bowl (7) or the connecting hole (7) that is connected usefulness with cathode steel bar.
Embodiment 3; As shown in Figure 3; Present embodiment aluminium electrolysis cell cathode carbon block (1) is 1/2 of an elongated carbon piece, and groove is called symmetrical half cathode block, and the top of its cathode block is level; The two ends, bottom are provided with and are configured with carbon piece support rim (2); One of them current output terminal bottom boss is built by laying bricks or stones in electrolyzer sidepiece furnace wall, and one of the other end is placed on the aluminium cell anti-leakage layer.All the other structures are basic identical with embodiment 2.
Embodiment 4; Like Fig. 4, shown in Figure 5; Present embodiment aluminium electrolysis cell cathode carbon block (1) is 1/2 of an elongated carbon piece, is symmetry half cathode block, and the top of cathode block (1) is level; The two ends, bottom are provided with and are configured with carbon piece support rim (2); The carbon piece rises to fovea superior in the middle of the bottom, between the two end supports boss, forms groove (a 3) type cathode block bottom; It is horizontal plane that the top of groove (3) is promptly fallen in its carbon piece bottom (4).The current output terminal cage structure of cathode block (1) has the carbon bowl (7) that is connected usefulness with cathode steel bar, and the central part setting of cathode block is configured with aluminium liquid communicating pores (5), and aluminium liquid communicating pores (5) is for being horizontally disposed with.
Embodiment 5; Like Fig. 6, shown in Figure 7, present embodiment and embodiment 4 are basic identical, and its difference is that its aluminium liquid communicating pores (5) is vertical the setting.
Embodiment 6; Like Fig. 8, shown in Figure 9, present embodiment and embodiment 4 are basic identical, and its difference is that its vertical through-via (5) and horizontal communicating pores (5) are arranged in a crossed manner for connecting.
Embodiment 7; Like Figure 10, shown in Figure 11, the structure of present embodiment and embodiment 5 is basic identical, and its difference is that its aluminium liquid communicating pores (5) has changed aluminium liquid through slot into, and the carbon piece support rim (2) of cathode block (1) bottom is a combiner.
Embodiment 7; Like Figure 12, shown in Figure 13, present embodiment cathode block (1) is 1/2 of an elongated carbon piece, is symmetry half cathode block; The top of cathode block (1) is level; The two ends, bottom are provided with and are configured with carbon piece support rim (2), and carbon piece bottom (4) is the subassembly structure to recessed of middle lopsidedness between its support rim (2) and the cathode block (1); The central part setting of cathode block is configured with aluminium liquid communicating pores (5), and aluminium liquid communicating pores (5) is provided with for the level intersection connects.

Claims (9)

1. an aluminium electrolysis cell cathode carbon block structure is mainly used in building by laying bricks or stones of cathode molten pool for aluminum electrolytic cell liner, it is characterized in that; The cathode block bottom surface sections is provided with the cathode block support rim, and the cathode block bottom is structure of falling the fluted body or the structure that gradient is arranged, and promptly the cathode block lower surface is a concave-convex type on-plane surface structure.
2. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The setting of cathode block bottom surface sections is configured with concavo-convex platform trough, is configured with aluminium liquid on the cathode block and connects hole or groove.
3. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The bottom of cathode block is provided with carbon piece brace table.
4. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The carbon piece support rim of cathode block bottom can be processed structure with the one of carbon piece, also can be divided into two parts and carry out composite construction.
5. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The carbon piece support rim of cathode block bottom, an end that can be arranged on the carbon piece also can be arranged on the two ends of carbon piece.
6. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The current output terminal cage structure of cathode block has with the negative electrode conducting metal and is connected the carbon bowl, and promptly cathode steel bar inserts connecting hole.
7. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The cathode block bottom surface from the sidepiece current output terminal have ecto-entad to fovea superior or tilt, promptly not on same horizontal plane.
8. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; Be configured with aluminium liquid on the cathode block and connect hole, its aluminium liquid connects hole horizontal tectonics or vertical configuration on cathode block.
9. according to the above-mentioned a kind of aluminium electrolysis cell cathode carbon block structure of claim 1, it is characterized in that; The textural structure of cathode bottom is provided with aluminium liquid and connects groove.
CN2011203988787U 2011-10-08 2011-10-08 Cathode carbon block structure of aluminium electrolysis cell Expired - Fee Related CN202265611U (en)

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CN2011203988787U CN202265611U (en) 2011-10-08 2011-10-08 Cathode carbon block structure of aluminium electrolysis cell

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Application Number Priority Date Filing Date Title
CN2011203988787U CN202265611U (en) 2011-10-08 2011-10-08 Cathode carbon block structure of aluminium electrolysis cell

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110475908A (en) * 2017-03-31 2019-11-19 美铝美国公司 The system and method for electrolytic production of aluminum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110475908A (en) * 2017-03-31 2019-11-19 美铝美国公司 The system and method for electrolytic production of aluminum
CN110475908B (en) * 2017-03-31 2022-10-14 美铝美国公司 System and method for electrolytic production of aluminum

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120606

Termination date: 20141008

EXPY Termination of patent right or utility model