阅读说明：本技术 一种精准更换铝电解阳极的新工艺 (Novel process for accurately replacing aluminum electrolysis anode ) 是由 史海林 侯安远 谷中军 苏昌清 刘发财 张斌 孙建发 杨文州 张红喜 谭慧慧 贺 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种精准更换铝电解阳极的新工艺,包括以下步骤：S1：划线确定,以水平母线下沿为基准,在阳极导杆上画一条红线。S2：定位划线,更换阳极作业前,在残极与水平母线处的划线(现有定位划线)基础上向下返1.5CM(新极24小时不消耗的高度)画线。S3：位置确定,用航车拔出残极吊放至专用架上(长90厘米、宽50厘米、高20厘米六角支架),阳极中心处与专用支架表面刚好接触。该精准更换铝电解阳极的新工艺,采用支架定位阳极底掌中心,将建筑行业的水平仪(自动校准)通过制作的强磁专用支架引入大型预焙阳极铝电解行业,颠覆了原有的非标测量方法,从源头杜绝了原有测量定位误差大,甚至是错误测量的情况。(The invention discloses a new process for accurately replacing an aluminum electrolysis anode, which comprises the following steps: s1: and (4) marking, namely drawing a red line on the anode guide rod by taking the lower edge of the horizontal bus as a reference. S2: and (4) positioning and scribing, namely, returning 1.5CM (height which is not consumed in 24 hours by a new electrode) downwards to draw a line on the basis of scribing (the existing positioning scribing) at the position of the residual electrode and the horizontal bus before the anode is replaced. S3: and (4) determining the position, pulling out the residual anode by using a navigation vehicle, hanging the residual anode on a special bracket (a hexagonal bracket with the length of 90 cm, the width of 50 cm and the height of 20 cm), and just contacting the center of the anode with the surface of the special bracket. The new process for accurately replacing the aluminum electrolysis anode adopts the support to position the center of the anode bottom palm, introduces a level meter (automatic calibration) in the building industry into the large-scale prebaked anode aluminum electrolysis industry through the manufactured special strong magnetic support, overturns the original non-measuring method, and avoids the situation of large original measuring and positioning errors, even wrong measuring from the source.)

1. A new technology for accurately replacing an aluminum electrolysis anode is characterized in that: the method comprises the following steps:

s1: scribe line determination

Drawing a red line on the anode guide rod by taking the lower edge of the horizontal bus as a reference;

s2: positioning marking-out line

Before the anode is replaced, drawing lines by returning 1.5CM (height not consumed in 24 hours for a new anode) downwards on the basis of the drawing lines (existing positioning drawing lines) at the positions of the residual anode and the horizontal bus;

s3: position determination

The anode scrap is pulled out by a navigation vehicle and is hung on a special bracket (a hexagonal bracket with the length of 90 cm, the width of 50 cm and the height of 20 cm), and the center of the anode is just contacted with the surface of the special bracket;

s4: horizontal positioning

Roughly positioning a steel column of a factory building to a position where a line is just drawn by using a manufactured (strong magnetic support and a level gauge), accurately positioning by using an upper fine adjustment knob and a lower fine adjustment knob of a support to enable a horizontal line of the level gauge to be coincident with the drawn line, then hanging a residual anode away, hanging a bottom palm of a new anode to be just contacted with the surface of a special support, accurately drawing a coincident line at the horizontal line of the level gauge, and mounting the coincident line in a groove;

s5: position definition

During the positioning of the residual pole and the new pole, the special support and the steel column of the workshop (the strong magnetic support and the level gauge) are not active.

2. The new process for accurately replacing the aluminum electrolysis anode according to claim 1, wherein: the center of the anode is just contacted with the surface of the special bracket, so that the close contact between the body of an operator and the high-temperature anode scrap is effectively avoided, and the high-temperature radiation and baking are avoided.

3. The new process for accurately replacing the aluminum electrolysis anode according to claim 1, wherein: the method avoids large operation errors or wrong operation caused by human factors during the positioning of the residual anode and the new anode, causes the whole fluctuation of the normal production of the aluminum electrolysis cell, further causes various indexes of the aluminum electrolysis production to slide down in different degrees, has no competitiveness in the industry, reduces the profit margin and achieves standard operation.

4. The new process for accurately replacing the aluminum electrolysis anode according to claim 1, wherein: the special bracket is fixed according to actual conditions (both single anode and double anodes are suitable), the center of the bottom palm is mainly taken, the height is arbitrary, and the special bracket is convenient to use.

5. The new process for accurately replacing the aluminum electrolysis anode according to claim 1, wherein: the usable range is that the process method can meet the anode replacement operation of all types of large prebaked anode electrolytic cells.

Technical Field

The invention relates to the technical field of large-scale prebaked anode aluminum electrolytic cell production, in particular to a new process for accurately replacing an aluminum electrolytic anode.

Background

In the production of the large-scale prebaked aluminum cell at present, a pocket ruler (a non-standard measuring ruler, one of which is welded by steel pipes, irregular and easy to deform at high temperature and extremely large in use error of different people, and cannot achieve the purpose of standard operation) is adopted to measure the anode installation height and conduct the anode installation height from a residual anode to a new anode, and the following steps are mostly needed in the operation process:

1. before the anode replacement operation, drawing lines by returning 1.5CM (height not consumed in 24 hours for a new anode) downwards on the basis of the drawing lines (existing positioning drawing lines) at the positions of the residual anode and the horizontal bus.

2. And (4) extracting the residual anode to a certain height away from the ground by using a navigation vehicle, transmitting the scale mark of the residual anode to the new anode by using a pocket ruler, and installing the new anode in an upper groove.

3. When the pocket ruler is used for measuring the anode scrap, the body of an operator is in close contact with the high-temperature anode scrap, and the body is radiated and baked at 940 ℃.

4. Due to human factors (height, strength, visual angle and the like), large operation errors or wrong operation are caused, current bias current of newly replaced anodes for 24 hours is often caused, standard operation cannot be achieved, voltage of an electrolytic cell swings, a diseased cell is caused, the formed production technical conditions are seriously damaged, various production indexes slide down, and the profit margin of enterprises is reduced.

Aiming at the problems, innovative design is urgently needed on the basis of the original production process of the large-scale prebaked anode aluminum electrolytic cell.

Disclosure of Invention

The invention aims to provide a novel process for accurately replacing an aluminum electrolysis anode, which aims to solve the problems that the body of an operator is subjected to 940-degree thermal radiation and baking in the operation process, and the body of the operator is greatly damaged in the background technology. The method has the problems that the accurate measurement has large positioning error, even the wrong measurement often causes 24-hour current bias flow of a newly replaced anode, causes voltage swing of an electrolytic cell, causes a sick cell, seriously damages the formed production technical conditions, causes various production indexes to slide down, and reduces the profit margin of enterprises.

In order to achieve the purpose, the invention provides the following technical scheme: a new process for accurately replacing an aluminum electrolysis anode comprises the following steps:

s1: scribe line determination

And drawing a red line on the anode guide rod by taking the lower edge of the horizontal bus as a reference.

S2: positioning marking-out line

Before the anode replacement operation, drawing lines by returning 1.5CM (height not consumed in 24 hours for a new anode) downwards on the basis of the drawing lines (existing positioning drawing lines) at the positions of the residual anode and the horizontal bus.

S3: position determination

The anode scrap is pulled out by a navigation vehicle and is hung on a special frame (a hexagonal frame with the length of 90 cm, the width of 50 cm and the height of 20 cm), and the center of the anode is just contacted with the surface of the special frame.

S4: horizontal positioning

The steel column of the factory building is roughly positioned to the position where a line is just drawn by using a manufactured (strong magnetic support and a level meter), then an upper fine adjustment knob and a lower fine adjustment knob of the support are adopted, the horizontal line of the level meter is accurately positioned to be coincident with the drawn line, then the anode scrap is hung away, the bottom palm of the new anode is hung to be just contacted with the surface of the special support, a coincident line is accurately drawn at the horizontal line of the level meter, and the steel column is installed in a groove.

S5: position definition

During the positioning of the residual pole and the new pole, the special support and the steel column of the workshop (the strong magnetic support and the level gauge) are not active.

Preferably, the center of the anode is just contacted with the surface of the special bracket, so that the close contact between the body of an operator and the high-temperature anode scrap is effectively avoided, and the high-temperature radiation and baking are avoided.

Preferably, during the positioning of the residual pole and the new pole, the phenomenon that large operation errors or wrong operation is caused due to human factors to cause the whole fluctuation of normal production of the aluminum electrolysis cell, so that various indexes of aluminum electrolysis production slide down to different degrees is avoided, the competitiveness is not realized in the industry, the profit margin is reduced, and the standard operation is achieved.

Preferably, the special bracket is fixed according to actual conditions (both single anode and double anode are suitable), the center of the bottom palm is mainly taken, the height is arbitrary, and the special bracket is convenient to use.

Preferably, the usable range is that the process method can meet the anode replacement operation of all types of large prebaked anode electrolytic cells

Compared with the prior art, the invention has the beneficial effects that: the new process for accurately replacing the aluminum electrolysis anode;

1. the original non-measuring tool (pocket ruler) is abandoned in the production of the large-scale prebaked anode electrolytic cell, the errors and errors in the measurement and installation of the replacement of the anode in the production of the large-scale prebaked anode electrolytic cell are eliminated, the physical damage to operators is reduced, and the standard operation is finally achieved;

2. a special bracket and a (strong magnetic bracket and a level meter) are introduced, the original process method is abandoned, accurate positioning is realized, the residual anode and the new anode are positioned by adopting the same method, and the existence of misoperation and great errors of people is avoided;

3. the bracket is adopted to position the center of the anode bottom palm, a level meter (automatic calibration) in the building industry is introduced into the large-scale prebaked anode aluminum electrolysis industry through the manufactured special bracket for strong magnetism, the original non-measuring method is overturned, and the situation that the original measurement positioning error is large, even the error measurement is avoided from the source. Lays a strong foundation for standard anode replacement operation in the electrolytic aluminum industry.

Drawings

FIG. 1 is a schematic view of an anode guide bar according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a new process for accurately replacing an aluminum electrolysis anode comprises the following steps:

s1: scribe line determination

And drawing a red line on the anode guide rod by taking the lower edge of the horizontal bus as a reference.

S2: positioning marking-out line

Before the anode replacement operation, drawing lines by returning 1.5CM (height not consumed in 24 hours for a new anode) downwards on the basis of the drawing lines (existing positioning drawing lines) at the positions of the residual anode and the horizontal bus.

S3: position determination

The anode scrap is pulled out by a navigation vehicle and is hung on a special frame (a hexagonal frame with the length of 90 cm, the width of 50 cm and the height of 20 cm), and the center of the anode is just contacted with the surface of the special frame.

S4: horizontal positioning

The steel column of the factory building is roughly positioned to the position where a line is just drawn by using a manufactured (strong magnetic support and a level meter), then an upper fine adjustment knob and a lower fine adjustment knob of the support are adopted, the horizontal line of the level meter is accurately positioned to be coincident with the drawn line, then the anode scrap is hung away, the bottom palm of the new anode is hung to be just contacted with the surface of the special support, a coincident line is accurately drawn at the horizontal line of the level meter, and the steel column is installed in a groove.

S5: position definition

During the positioning of the residual pole and the new pole, the special support and the steel column of the workshop (the strong magnetic support and the level gauge) are not active.

The center of the anode is just contacted with the surface of the special bracket, so that the close contact between the body of an operator and the high-temperature anode scrap is effectively avoided, and the high-temperature radiation and baking are avoided.

The method avoids large operation errors or wrong operation caused by human factors during the positioning of the residual anode and the new anode, and causes the normal production overall fluctuation of the aluminum electrolysis cell, thereby further causing various indexes of the aluminum electrolysis production to slide down in different degrees, having no competitiveness in the industry, reducing the profit margin and achieving standard operation.

The special bracket is fixed according to the actual conditions (both single anode and double anode are suitable), mainly takes the central position of the bottom palm, has any height and is convenient to use.

The scope of applicability of the process to meet all types of large prebaked anode cell anode replacement operations not described in detail in this specification is within the skill of the art known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.