CN217677823U

CN217677823U - Anode bus structure of aluminum electrolytic cell

Info

Publication number: CN217677823U
Application number: CN202221433385.7U
Authority: CN
Inventors: 韩博; 刘雅峰; 胡红武; 付松
Original assignee: Shenyang Aluminium And Magnesium Engineering And Research Institute Co Ltd
Current assignee: Shenyang Aluminium And Magnesium Engineering And Research Institute Co Ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-10-28
Anticipated expiration: 2032-06-10

Abstract

The utility model provides an anode bus structure of aluminium cell, belongs to aluminium electroloysis technical field, including anode bus, I-shaped steel, fixed connector, riser, the anode bus top is equipped with I-shaped steel along generating line length direction, and I-shaped steel is fixed along generating line width direction's both sides and is equipped with fixed connector, and fixed connector's both sides are fixed and are equipped with the riser, and the riser is fixed continuous with the anode bus, fixed connector sets up a set ofly with the riser along the position department of I-shaped steel length direction every 2~4 anode groups, the sectional area of anode bus suits with required electrically conductive sectional area. The utility model discloses a set up I shaped steel and with the fixed connection device of generating line, improve the intensity of generating line, reduce the cross sectional dimension of generating line, save the quantity of generating line aluminum product.

Description

Anode bus structure of aluminum electrolytic cell

Technical Field

The utility model belongs to the technical field of aluminium electroloysis, especially, relate to an anode bus structure of aluminium cell.

Background

The aluminum electrolysis industry needs to pay attention to the problem of investment cost of aluminum per ton while pursuing technical indexes, and because the price of aluminum materials rises year by year in recent years and the bus consumption in the aluminum electrolysis industry is large, the reduction of the bus aluminum consumption is one of means for reducing the investment cost.

The bus bar in the aluminum electrolysis cell has two functions: on one hand, the anode large bus guides current into an anode group, the anode group is arranged in electrolyte of an electrolytic cell, the current enters a cathode group from an anode through the electrolyte and aluminum liquid, then is guided out to a cathode bus around the cell by a steel bar in the cathode group, and is guided into a column bus of a downstream cell through the cathode bus around the cell; on the other hand, the consumption of the carbon blocks is realized, and the bus drives the guide rod to vertically move to adjust the distance between the carbon blocks. Therefore, the bus bar is required to have a certain conductive cross-sectional area and also to have structural rigidity to bear the load of the guide bar.

In order to meet the requirement on rigidity of a bus in an electrolysis series running at present, the section size is made larger, and the section size exceeds the sectional area size required by electric conduction, so that waste of aluminum materials is caused.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages and deficiencies of the prior art, the present invention provides an anode bus structure of an aluminum electrolysis cell, which aims to optimize the overall dimension of an anode bus and save the amount of aluminum material on the premise of ensuring current density and structural rigidity.

In order to achieve the above object, the utility model discloses a main technical scheme include:

the anode bus structure of the aluminum electrolytic cell comprises an anode bus, I-shaped steel, a fixed connecting piece and vertical plates, wherein the I-shaped steel is arranged at the top of the anode bus along the length direction of the bus, the fixed connecting piece is fixedly arranged on two sides of the I-shaped steel along the width direction of the bus, the vertical plates are fixedly arranged on two sides of the fixed connecting piece, the vertical plates are fixedly connected with the anode bus, a group of the fixed connecting piece and the vertical plates are arranged at positions of 2~4 anode groups every other along the length direction of the I-shaped steel, and the sectional area of the anode bus is adapted to the required conductive sectional area.

Furthermore, the shapes of the contact surfaces of the fixed connecting piece and the I-shaped steel are matched, and the total width of the fixed connecting piece and the assembled I-shaped steel is the same as the width of the bus.

Furthermore, the fixed connecting piece comprises sealing plates and notched steel, the notched steel is matched with the inner side structures of the side faces of the I-shaped steel, the sealing plates are fixedly connected to the top and the bottom of the notched steel, and the I-shaped steel, the sealing plates and the notched steel are assembled to form a cuboid structure.

Furthermore, the vertical plate penetrates through the anode bus through the double-end stud, two ends of the vertical plate are fixed through nuts, and a gasket is arranged between each nut and the vertical plate.

The utility model has the advantages that:

the utility model discloses a set up I shaped steel and with the fixed connection device of generating line, improve the intensity of generating line, under the prerequisite of guaranteeing current density, reduce the cross sectional dimension of generating line, save the quantity of generating line aluminum product. The mechanical interface of the original anode bus hoister is not changed, the current density is ensured within the design range and the structural rigidity, the investment is reduced, and the operability and the convenience of construction are realized.

Drawings

FIG. 1 is a schematic view of the anode bus structure of the aluminum electrolytic cell of the present invention.

The components in the figure: the structure comprises an anode bus 1, an I-shaped steel 2, a seal plate 3, notch steel 4, a vertical plate 5, a stud 6 and a nut 7.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

As shown in figure 1, the utility model relates to an anode bus structure of an aluminum cell, which comprises an anode bus 1, an I-shaped steel 2, a fixed connecting piece and a vertical plate 5, wherein the sectional area of the anode bus 1 is adapted to the required conductive sectional area. In order to improve the rigidity of the anode bus bar 1, a lifting structure is designed on the anode bus bar 1 for increasing the rigidity of the optimized anode bus bar 1. The lifting structure comprises I-shaped steel 2, a fixed connecting piece and a vertical plate 5. The girder of promotion structure is I shaped steel 2, 1 top of positive pole generating line is equipped with I shaped steel 2 along generating line length direction, and I shaped steel 2 has fixed connection along the both sides welding of generating line width direction, and the both sides welding of fixed connection has riser 5, and riser 5 passes through bolt fixed connection with positive pole generating line 1. According to the number of the anode groups and the actual load condition, the fixed connecting piece and the vertical plate 5 are arranged in a group at the positions of 2~4 anode groups every 5363 along the length direction of the I-shaped steel 2, the shapes of the contact surfaces of the fixed connecting piece and the I-shaped steel 2 are matched, and the total width of the fixed connecting piece after being assembled with the I-shaped steel 2 is the same as the width of a bus.

Further, fixed connector includes shrouding 3, breach steel 4, the inboard structure phase-match of breach steel 4 and I shaped steel 2 side, the top and the bottom fixedly connected with shrouding 3 of breach steel 4, steel I shaped steel 2, shrouding 3, breach steel 4 assembly back form the cuboid structure and strengthen the box structure promptly, riser 5 passes through stud 6 and runs through positive pole generating line 1, and both ends are fixed through nut 7, are equipped with the gasket between nut 7 and the riser 5. The anode bus 1 is fixedly connected with the H-shaped steel 2, the seal plate 3, the notch steel 4 and the vertical plate 5 to form a rigid body, so that the overall rigidity is improved. After the assembly is finished, the anode bus elevator is connected with the anode bus, and the anode bus elevator is connected with the anode bus by penetrating through the stud in the figure 1 through a bolt. The anode bus lifter and the anode bus are not connected in a connection mode of a stud and a nut as shown in figure 1, and the anode bus is driven to carry out electrolysis work in the mode. The working current of the aluminum electrolytic cell adapts to a whole series.

Use 600kA aluminium cell as an example, the width of aluminium cell positive pole generating line is about 190mm before optimizing, adopt the utility model discloses an behind the positive pole generating line structure of aluminium cell, under the prerequisite that generating line bulk rigidity meets the requirements, the generating line width is about 150mm, and the aluminium material quantity reduces 20.5%.

The utility model discloses optimize the structure of positive pole generating line, under the prerequisite of guaranteeing current density and structural rigidity, save the quantity of aluminum product, increase steel quality in a small number, do not change original positive pole generating line and promote interface and form, connecting bus position, space and positive pole generating line manufacturing process, reduce positive pole generating line hoist mechanism's total power, save project investment cost.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An anode bus structure of an aluminum electrolytic cell is characterized in that: the anode bus bar comprises an anode bus bar (1), I-shaped steel (2), a fixed connecting piece and a vertical plate (5), wherein the I-shaped steel (2) is arranged at the top of the anode bus bar (1) along the length direction of the bus bar, the fixed connecting piece is arranged on the two sides of the I-shaped steel (2) along the width direction of the bus bar, the vertical plate (5) is fixedly arranged on the two sides of the fixed connecting piece, the vertical plate (5) is fixedly connected with the anode bus bar (1), the fixed connecting piece and the vertical plate (5) are arranged at a group at the positions of 2~4 anode groups along the length direction of the I-shaped steel (2), and the sectional area of the anode bus bar (1) is adapted to the required conductive sectional area.

2. The anode bus bar structure of an aluminum electrolytic cell according to claim 1, wherein: the shapes of the contact surfaces of the fixed connecting piece and the I-shaped steel (2) are matched, and the total width of the fixed connecting piece and the assembled I-shaped steel (2) is the same as the width of a bus.

3. The anode bus bar structure of an aluminum reduction cell according to claim 2, wherein: fixed connector includes shrouding (3), notched steel (4) and the inboard structure phase-match of I shaped steel (2) side, the top and the bottom fixedly connected with shrouding (3) of notched steel (4), form the cuboid structure after I shaped steel (2), shrouding (3), notched steel (4) assembly.

4. The anode bus bar structure of an aluminum electrolytic cell according to claim 1, wherein: the vertical plate (5) penetrates through the anode bus (1) through the double-end stud (6), two ends of the vertical plate are fixed through nuts (7), and a gasket is arranged between the nuts (7) and the vertical plate (5).