CN215288994U

CN215288994U - Novel conductive column cathode electrolytic tank

Info

Publication number: CN215288994U
Application number: CN202121135888.1U
Authority: CN
Inventors: 宁俊傑
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-12-24
Anticipated expiration: 2031-05-25

Abstract

The utility model discloses a novel lead electrical pillar negative pole electrolysis trough, include: the cathode carbon block is connected with a conductive column which is made of the same material as the cathode carbon block, a first casting cavity is arranged in the cathode carbon block, a second casting cavity is arranged in the conductive column, the second casting cavity extends into the cathode carbon block and is communicated with the first casting cavity, and conductive blocks formed by casting conductive metal liquid are arranged in the first casting cavity and the second casting cavity; by adopting the technical scheme, the first casting cavity is arranged in the cathode carbon block, the second casting cavity communicated with the first casting cavity is arranged in the conductive column, and the conductive blocks formed by casting the conductive metal liquid are arranged in the first casting cavity and the second casting cavity, so that the overall resistivity of the cathode carbon block can be reduced, the conductive capability of the cathode carbon block is improved, the thermal stress of the cathode carbon block in the electrolytic process can be reduced, and the occurrence of cracks and even bursting of the cathode carbon block is prevented.

Description

Novel conductive column cathode electrolytic tank

Technical Field

The utility model relates to the technical field of electrolytic bath correlation, in particular to a novel conductive column cathode electrolytic bath.

Background

The cathode carbon block is used as the cathode of the aluminum cell, is an important component of the aluminum cell, and is beneficial to saving energy in aluminum electrolysis production and prolonging the service life of the cell. The structure of the cathode carbon block directly influences the service efficiency, the service life and the heat consumption of electricity of the electrolytic cell, so that the international aluminum industry pays great attention to the application of the high-quality cathode carbon block.

The traditional cathode carbon block conductive part adopts a cathode carbon block and cathode steel bar combined structure, and the equipment investment of the assembled structure is large, and the process is complex. The pressure drop at the bottom of the electrolytic cell is high, and the power consumption is large. When the cathode carbon blocks are electrified and heated in the electrolytic cell, the current distribution is uneven, the current is easy to generate transverse deflection, the electrolytic efficiency is influenced, the deformation of the inner lining at the bottom of the electrolytic cell is easy to cause, the cathode carbon blocks are broken, the leakage accident of the electrolytic cell is generated, and the service life of the electrolytic cell is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel lead electrical pillar negative pole electrolysis trough to solve current electrolysis trough stove bottom pressure drop height, the power consumption is big, and current distribution is inhomogeneous, and the technical problem of lateral deflection easily takes place for the electric current.

The utility model provides a technical scheme that technical problem adopted as follows:

according to one aspect of the utility model, a novel lead electrical pillar negative pole electrolysis trough is designed, include: the cathode carbon block is connected with a conductive column which is made of the same material as the cathode carbon block, a first casting cavity is arranged in the cathode carbon block, a second casting cavity is arranged in the conductive column, the second casting cavity extends into the cathode carbon block and is communicated with the first casting cavity, and conductive blocks formed by casting conductive metal liquid are arranged in the first casting cavity and the second casting cavity.

By adopting the technical scheme, the first casting cavity is arranged in the cathode carbon block, the second casting cavity communicated with the first casting cavity is arranged in the conductive column, and the conductive blocks formed by casting the conductive metal liquid are arranged in the first casting cavity and the second casting cavity, so that the overall resistivity of the cathode carbon block can be reduced, the conductive capability of the cathode carbon block is improved, the influence of the thermal stress of the cathode carbon block on the conductive column in the electrolysis process can be reduced, and the occurrence of cracks and even bursting of the cathode carbon block is prevented; in addition, in the electrolytic process, the occurrence of current deflection in the electrolyte above the cathode carbon blocks can be reduced, so that the current distribution is uniform and more reasonable, and the electrolysis is facilitated.

For better solving the technical defect, the utility model discloses still have better technical scheme:

in some embodiments, the first casting cavity is perpendicular to the second casting cavity, so that the current is stably led out or output from the cathode carbon block.

In some embodiments, the top surface of the conductive block is parallel to the top surface of the cathode carbon block, so that the current inside the cathode carbon block can be balanced, and the stable current flowing out of the cathode carbon block is facilitated.

In some embodiments, the bottom of the cathode block is transversely connected with a plurality of conductive posts at intervals, the number of the first casting cavities is the same as that of the conductive posts, and the plurality of first casting cavities and the plurality of second casting cavities are vertically in one-to-one correspondence and communicated, so that the occurrence of current deflection in electrolyte above the cathode block can be further reduced, the current distribution is more uniform and reasonable, and meanwhile, the current stably flows out from the cathode block, the conductivity is improved, and the occurrence of cracks and even cracking of the conductive posts is better prevented.

In some embodiments, the front end or the rear end side wall of the cathode carbon block is provided with a first casting hole communicated with the first casting cavity, a plurality of grooves are circumferentially arranged from the opening of the first casting hole to the side wall of 5-10cm in the first casting hole, and when casting is completed, the cold ramming paste is arranged at the position from the opening of the first casting hole to 5-10cm in the first casting hole for blocking.

In some embodiments, the second casting cavity penetrates through the conductive column, the distance between the bottom of the conductive block and the bottom of the conductive column is 5-10cm, a plurality of grooves are circumferentially formed in the side wall of the section of the second casting cavity between the bottom of the conductive block and the bottom of the conductive column, and cold ramming paste is filled in the section of the second casting cavity between the bottom of the conductive block and the bottom of the conductive column for plugging.

In some embodiments, the second molding cavity extends through the conductive post, and the bottom of the conductive block is flush with the bottom of the conductive post.

In some embodiments, the left end and the right end of the cathode carbon block are respectively connected with a plurality of conductive posts, the number of the first casting cavities is the same as that of the conductive posts, each first casting cavity comprises a transverse casting cavity and a vertical casting cavity, the transverse casting cavity is perpendicular to the vertical casting cavity, and the second casting cavities extend into the cathode carbon block and are communicated with and perpendicular to the vertical casting cavities in a one-to-one correspondence manner.

In some embodiments, the second casting cavity extends to the side wall of the front end of the cathode carbon block and forms a second casting hole in the side wall of the cathode carbon block, the side wall from the opening of the second casting hole to the 5-10cm inside the hole is provided with a plurality of grooves, and when casting is completed, the position from the opening of the second casting hole to the 5-10cm inside the hole is provided with cold ramming paste for blocking.

In some embodiments, the second casting cavity penetrates through the conductive column, the conductive block comprises a T-shaped portion and a transverse portion, a distance between an end face of the transverse portion and an end face of the outer side of the conductive column is 5-10cm, a plurality of grooves are circumferentially formed in a side wall of the section of the second casting cavity between the outer side of the transverse portion and the end face of the conductive column, and a cold ramming paste is filled in the section of the second casting cavity between the outer side of the transverse portion and the end face of the conductive column for plugging.

In some embodiments, the second molding cavity extends through the conductive post, and the conductive block includes a T-shaped portion and a transverse portion, and an outer end surface of the transverse portion is flush with an end surface of the conductive post.

In some embodiments, the cross section of the first casting cavity is one of a circular structure, a triangular structure, a quadrilateral structure and a pentagonal structure, the cross section of the second casting cavity is one of a circular structure, a triangular structure, a quadrilateral structure and a pentagonal structure, and the conductive molten metal is at least one of molten copper, molten aluminum and molten steel.

Drawings

Fig. 1 is a schematic structural diagram of a novel conductive column cathode electrolytic cell according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1, wherein the first and second casting cavities are not filled with the conductive metal;

FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 1, wherein the first and second casting cavities are not filled with the conductive metal;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 1, wherein a conductive molten metal is cast into the first casting cavity and the second casting cavity;

fig. 5 is a schematic structural view of a novel conductive column cathode electrolytic cell according to a second embodiment of the present invention;

fig. 6 is a schematic cross-sectional structure view of a novel conductive column cathode electrolytic cell according to a third embodiment of the present invention;

fig. 7 is a schematic cross-sectional structure view of a novel conductive column cathode electrolytic cell according to a fourth embodiment of the present invention;

fig. 8 is a schematic structural view of a novel conductive column cathode electrolytic cell according to a fifth embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view taken at the position C-C in FIG. 8, wherein the first and second casting cavities are not filled with the conductive molten metal;

FIG. 10 is a schematic cross-sectional view taken at D-D of FIG. 8, wherein the first and second casting cavities are not filled with the conductive molten metal;

FIG. 11 is a schematic cross-sectional view taken at the point C-C in FIG. 8, wherein a conductive molten metal is cast into the first casting cavity and the second casting cavity;

fig. 12 is a schematic structural view of a novel conductive column cathode electrolytic cell according to a sixth embodiment of the present invention;

fig. 13 is a schematic cross-sectional view of a novel conductive column cathode electrolytic cell according to a seventh embodiment of the present invention;

fig. 14 is a schematic cross-sectional structure view of a novel conductive pillar cathode electrolytic cell according to an eighth embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described in detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 to 4, the present invention provides a novel conductive pillar cathode electrolytic cell, including: the top of the cathode carbon block 1 of the all-carbon material is of a plane structure, and the cathode carbon block 1 is connected with a conductive column 2 which is made of the same material as the cathode carbon block 1.

Further, the bottom of the cathode carbon block 1 is connected with a plurality of conductive posts 2, the bottom of the cathode carbon block 1 may be connected with three, or four, or five, or six, or more conductive posts 2, the number of the conductive posts 2 is set according to the transverse length of the cathode carbon block 1, and it is preferable that the bottom of the cathode carbon block 1 is connected with five conductive posts 2 transversely and equidistantly.

A plurality of first casting cavities 10 are arranged in the cathode carbon block 1, a second casting cavity 20 is arranged in each conductive column 2, the number of the first casting cavities 10 is the same as that of the conductive columns 2, and the plurality of second casting cavities 20 extend into the cathode carbon block 1 and are communicated with the plurality of first casting cavities 10 in an up-and-down one-to-one correspondence mode and are vertical to the plurality of first casting cavities 10.

The cross section of the first casting cavity 10 is any one of a circle, a triangle, a quadrangle, a pentagon and a hexagon, and in this embodiment, the cross section of the first casting cavity 10 is preferably a circle. The cross section of the second casting cavity 20 is any one of circular, triangular, quadrilateral, pentagonal and hexagonal, and the cross section of the second casting cavity 20 is preferably circular in the embodiment.

The conductive block 3 formed by casting conductive metal liquid is arranged in the first casting cavity 10 and the second casting cavity 20, and the top surface of the conductive block 3 is parallel to the top surface of the cathode carbon block 1.

The conductive metal liquid is at least one of copper liquid, aluminum liquid and molten steel, the conductive metal liquid can be selected from copper liquid, aluminum liquid, molten steel, alloy liquid of copper liquid and aluminum liquid, alloy liquid of aluminum liquid and molten steel, alloy liquid of copper liquid and molten steel, and alloy liquid of copper liquid, aluminum liquid and molten steel, and is selected according to requirements, and during casting, the first casting cavity 10 and the second casting cavity 20 are filled with the conductive metal liquid.

Example two

Referring to fig. 5, the present invention provides a novel conductive pillar cathode electrolytic cell according to a second embodiment, which is different from the first embodiment in that: the front end side wall or the rear end side wall of the cathode carbon block 1 is provided with a first casting hole communicated with the first casting cavity, in the embodiment, preferably, the front end side wall of the cathode carbon block 1 is provided with a first casting hole 101 communicated with the first casting cavity, a plurality of grooves are circumferentially arranged from the orifice of the first casting hole 101 to the side wall of 5-10cm in the hole, when casting is completed (wherein, the position from the orifice of the first casting hole to the position of 5-10cm in the hole is not cast), a cold ramming paste is arranged from the orifice of the first casting hole 101 to the position of 5-10cm in the hole for blocking, wherein, the distance from the orifice of the first casting hole 101 to the position in the hole can be any one of 5cm, 6cm, 7cm, 8cm and 10 cm.

EXAMPLE III

Referring to fig. 6, the present invention provides a novel conductive pillar cathode electrolytic cell according to a third embodiment, which is different from the second embodiment in that: the lower end of the second casting cavity 20 penetrates through the conductive column 2, and the conductive block 3 is flush with the bottom of the conductive column 2.

Example four

Referring to fig. 7, the present invention provides a novel conductive pillar cathode electrolytic cell according to a fourth embodiment, which is different from the second embodiment in that: the lower end of the second casting cavity 20 penetrates through the conductive column 2, the distance L1 between the bottom of the conductive block 3 and the bottom of the conductive column 2 is 5-10cm, and can be any one of 5cm, 6cm, 7cm, 8cm, 9cm and 10cm, a plurality of grooves are circumferentially arranged on the side wall of the second casting cavity 20 between the bottom of the conductive block 3 and the bottom of the conductive column 2, and the cold ramming paste 11 is arranged in the section of the second casting cavity 20 between the bottom of the conductive block 3 and the bottom of the conductive column 2 for plugging.

EXAMPLE five

Referring to fig. 8 to 11, the present invention provides a novel conductive pillar cathode electrolytic cell according to a fifth embodiment, including: the top of the cathode carbon block 1 of the all-carbon material is of a plane structure, and the cathode carbon block 1 is connected with a conductive column 2 which is made of the same material as the cathode carbon block 1.

Further, the left end and the right end of the cathode block 1 are respectively connected with a plurality of conductive posts, the left end and the right end of the cathode block 1 can be respectively connected with two, three, or four, or five, or six, or more conductive posts 2, the number of the conductive posts 2 is set according to the longitudinal length of the cathode block 1, and preferably, the left end and the right end of the cathode block 1 are respectively connected with two conductive posts 2 in this embodiment.

A plurality of first casting cavities 10 are arranged in the cathode carbon block 1, a second casting cavity 20 is arranged in each conductive column 2, the number of the first casting cavities 10 is the same as that of the conductive columns 2, each first casting cavity 10 comprises a transverse casting cavity 101 and a vertical casting cavity 102, the transverse casting cavities 101 are perpendicular to the vertical casting cavities 102, and the plurality of second casting cavities 20 extend into the cathode carbon block 1 and are communicated with the plurality of vertical casting cavities 102 in a one-to-one correspondence mode and are perpendicular to each other.

EXAMPLE six

Referring to fig. 12, the difference between the present example and the fifth example is that: the second casting cavity extends to the side wall of the front end of the cathode carbon block 1 and forms a second casting hole 102 in the side wall of the cathode carbon block 1, a plurality of grooves are arranged from the opening of the second casting hole 102 to the side wall of 5-10cm in the hole, when casting is finished (wherein, the opening of the second casting hole 102 is not cast from the opening to the position of 5-10cm in the hole), a cold ramming paste is arranged from the opening of the second casting hole 102 to the position of 5-10cm in the hole for blocking, wherein, the distance from the opening of the second casting hole 102 to the position in the hole can be any one of 5cm, 6cm, 7cm, 8cm and 10 cm.

EXAMPLE seven

Referring to fig. 13, the present invention provides a novel conductive pillar cathode electrolytic cell according to the seventh embodiment, which is different from the sixth embodiment in that: the second casting cavity 20 penetrates through the conductive column 2, the conductive block 3 includes a T-shaped portion 31 and a transverse portion 32, an outer end surface of the transverse portion 32 is flush with an end surface of the conductive column 2, that is, a left end of the transverse portion 32 on the two left conductive blocks 3 is flush with a left end surface of the left conductive column 2, and a right end of the transverse portion 32 on the two right conductive blocks 3 is flush with a right end surface of the right conductive column 2.

Example eight

Referring to fig. 14, the present invention provides a novel conductive pillar cathode electrolytic cell according to the eighth embodiment, which is different from the sixth embodiment in that: the second casting cavity 20 penetrates through the conductive column 2, the conductive block 3 comprises a T-shaped portion 31 and a transverse portion 32, the distance L2 between the end face of the transverse portion 32 and the end face of the outer side of the conductive column 2 is 5-10cm, and can be any one of 5cm, 6cm, 7cm, 8cm, 9cm and 10cm, a plurality of grooves are circumferentially formed in the side wall of the section of the second casting cavity 20 between the outer side of the transverse portion 32 and the end face of the conductive column 2, and the cold ramming paste 11 is arranged in the section of the second casting cavity 20 between the outer side of the transverse portion 32 and the end face of the conductive column 2 for plugging.

The above description is only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. A novel conductive pillar cathodic electrolysis cell, comprising: the cathode carbon block is connected with a conductive column which is made of the same material as the cathode carbon block, a first casting cavity is arranged in the cathode carbon block, a second casting cavity is arranged in the conductive column, the second casting cavity extends into the cathode carbon block and is communicated with the first casting cavity, and conductive blocks formed by casting conductive metal liquid are arranged in the first casting cavity and the second casting cavity.

2. A novel conductive post cathode cell as claimed in claim 1 wherein said first casting cavity is perpendicular to said second casting cavity.

3. The novel conductive post cathodic electrolysis cell as defined in claim 1 wherein said conductive block top face is parallel to said cathodic carbon block top face.

4. The novel conductive post cathode electrolytic cell as claimed in any one of claims 1 to 3, wherein the bottom of the cathode carbon block is connected with a plurality of conductive posts at intervals, the number of the first casting cavities is the same as that of the conductive posts, and the plurality of first casting cavities and the plurality of second casting cavities are in one-to-one correspondence and communication with each other from top to bottom.

5. The novel conductive column cathode electrolytic cell as claimed in claim 4, wherein the front end side wall or the rear end side wall of the cathode carbon block is provided with a first casting hole communicated with the first casting cavity, a plurality of grooves are circumferentially arranged from the opening of the first casting hole to the side wall of 5-10cm inside the hole, and when casting is completed, the cold ramming paste is arranged at the position of 5-10cm inside the hole from the opening of the first casting hole to block the first casting hole.

6. The novel conductive post cathode electrolytic cell as claimed in claim 5, wherein the second casting cavity penetrates through the conductive post, the distance between the bottom of the conductive block and the bottom of the conductive post is 5-10cm, a plurality of grooves are circumferentially formed on the side wall of the section of the second casting cavity between the bottom of the conductive block and the bottom of the conductive post, and a cold ramming paste is filled in the section of the second casting cavity between the bottom of the conductive block and the bottom of the conductive post for plugging.

7. The novel conductive post cathodic electrolysis cell according to claim 5, wherein said second casting cavity extends through said conductive post, and said conductive block bottom is flush with said conductive post bottom.

8. The novel conductive post cathode electrolytic cell as claimed in any one of claims 1 to 3, wherein a plurality of conductive posts are connected to the left end and the right end of the cathode carbon block respectively, the number of the first casting cavities is the same as that of the conductive posts, the first casting cavities comprise a horizontal casting cavity and a vertical casting cavity, the horizontal casting cavity is perpendicular to the vertical casting cavity, and a plurality of second casting cavities extend into the cathode carbon block and are in one-to-one communication with and perpendicular to the plurality of vertical casting cavities.

9. The novel conductive pillar cathode electrolytic cell as claimed in claim 8, wherein the second casting cavity extends to the side wall of the front end of the cathode carbon block and forms a second casting hole in the side wall of the cathode carbon block, the side wall from the opening of the second casting hole to the 5-10cm inside the hole is provided with a plurality of grooves, and when casting is completed, the cold ramming material is provided to block the opening of the second casting hole to the 5-10cm inside the hole.

10. The novel conductive post cathode electrolytic cell as claimed in claim 9, wherein the second casting cavity penetrates through the conductive post, the conductive block includes a T-shaped portion and a transverse portion, the distance between the end surface of the transverse portion and the end surface of the conductive post on the outer side is 5-10cm, a plurality of grooves are circumferentially formed on the side wall of the section of the second casting cavity from the outer side of the transverse portion to the end surface of the conductive post, and a cold ramming paste is filled in the section of the second casting cavity from the outer side of the transverse portion to the end surface of the conductive post for plugging.

11. The novel conductive post cathode electrolytic cell as claimed in claim 9, wherein the second casting cavity extends through the conductive post, the conductive block includes a T-shaped portion and a transverse portion, and an outer end surface of the transverse portion is flush with an end surface of the conductive post.

12. The novel conductive pillar cathodic electrolysis cell as defined in claim 4, wherein said first casting cavity has a cross section of one of circular, triangular, quadrangular and pentagonal structures, said second casting cavity has a cross section of one of circular, triangular, quadrangular and pentagonal structures, and said conductive metal liquid is at least one of molten copper, molten aluminum and molten steel.