CN101665955A - Cathode lining structure of aluminium cell vertically discharging and constructing method thereof - Google Patents
Cathode lining structure of aluminium cell vertically discharging and constructing method thereof Download PDFInfo
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- CN101665955A CN101665955A CN200910066094A CN200910066094A CN101665955A CN 101665955 A CN101665955 A CN 101665955A CN 200910066094 A CN200910066094 A CN 200910066094A CN 200910066094 A CN200910066094 A CN 200910066094A CN 101665955 A CN101665955 A CN 101665955A
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Abstract
The invention discloses a cathode lining structure of an aluminium cell vertically discharging and a constructing method thereof. The bottom of a cell shell and the upper and lower corresponding positions of an insulating brick layer and a seepage-resistant material layer are respectively provided with through holes in which cathode steel rods are arranged, the upper ends of the cathode steel rodsare connected with the lower end surfaces of cathode carbon blocks, and the lower ends pass through the cell shell and extend out; the sections of the cathode steel rods are smaller than sections ofthe through holes; and a steel rod casting material layer and a seepage-resistant layer are respectively arranged between a vertical steel plate and the insulating brick layer and between the verticalsteel plate and the seepage-resistant material layer. The constructing method comprises the following steps: arranging the through holes in the bottom of the cell shell, the insulating brick layer and the seepage-resistant layer; installing a first cathode carbon block from one end of the cell shell, pouring casting material from the lateral part of the cathode carbon block to the through holes in the insulating brick layer, vibrating and ramming, ramming seepage-resistant material inwards from the lateral part of the cathode carbon block along the horizontal direction, ramming the space of the through holes reserved in the seepage-resistant material layer at the bottom of the cathode carbon block and outwards extending to the edge of the through holes in the insulating brick layer of thenext cathode carbon block.
Description
One. technical field: the present invention relates to a kind of inner lining structure of aluminium cell and the method for building by laying bricks or stones, particularly vertically go out the aluminum cell cathode inner lining of electricity and the method for building by laying bricks or stones thereof, belong to smelting field of nonferrous metal.
Two. background technology: at present, the main equipment of electrolysis of aluminum is an aluminium cell, existing aluminium cell generally adopts sidepiece to go out the mode of electricity, and promptly cathode steel bar passes from pot shell sidepiece level, links to each other with negative busbar, the rod iron of horizontal positioned can produce certain horizontal current in the aluminium liquid layer, it can cause the fluctuation of aluminium liquid under the effect of the vertical magnetic field that electrolyzer bus produces, thereby reduces the current efficiency of electrolyzer, reduce output, increase power consumption.In order to address this problem, patent 200820130911.6 (middle convergent current type aluminium electrolytic cell cathode device) discloses a kind of aluminum cell structure that electricity, centre conflux that vertically goes out, can reduce the horizontal current component in the aluminium liquid to a certain extent, thereby improve the efficient of electrolyzer.But its disclosed technology has thoroughly changed the inner lining structure of electrolyzer in the past, and existing construction technology and technology can not realize.
Three. summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, the aluminum cell cathode inner lining structure that vertically goes out electricity of a kind of reasonable in design, simple in structure, good seepage-proof property and long service life is provided, provides simultaneously that a kind of technology is simple, easy construction, workable this vertically go out the building method of the aluminum cell cathode inner lining structure of electricity.
Technical scheme of the present invention:
A kind of aluminum cell cathode inner lining structure that vertically goes out electricity, contain pot shell, the insulating brick-layer and the antiseepage bed of material, the bottom of described pot shell, the insulating brick-layer and the antiseepage bed of material are respectively arranged with communicating pores on the opposite position up and down, be provided with cathode steel bar in the described communicating pores, the upper end of this cathode steel bar is connected with the cathode carbon pieces lower surface, its lower end is run through pot shell and is gone out, the cross section of described cathode steel bar is less than the cross section of communicating pores, between cathode steel bar and the pot shell bottom is running fit, realize insulation, be provided with rod iron between vertical steel plate and the insulating brick-layer and build the bed of material, increase sealing effectiveness, ramming has tamped impervious barrier between the vertical steel plate and the antiseepage bed of material, sealing and antiseepage.
Communicating pores on the described insulating brick-layer is a step, is convenient to fastening rod iron and builds the bed of material.
A sleeve is set in the described communicating pores, and this telescopic lower end and pot shell internal surface are fixed, and its outside surface contacts with the insulating brick-layer and the antiseepage bed of material, is respectively arranged with rod iron between its internal surface and the cathode steel bar and builds the bed of material and impervious barrier.
Described sleeve upper end is provided with sealing cover.
A kind of building method that vertically goes out the aluminum cell cathode inner lining structure of electricity may further comprise the steps:
(1), according to the quantity and the arrangement of cathode steel bar, on the pot shell bottom, be drilled with the pot shell communicating pores;
(2), at pot shell bottom building heat-insulation brick layer, and the communicating pores that lays insulating brick-layer on the position of communicating pores of pot shell in correspondence;
(3), on insulating brick-layer, the horizontal ramming antiseepage bed of material, and the communicating pores of reserving the antiseepage bed of material on the position of communicating pores of pot shell in correspondence;
(4), will cathode steel bar the upper end assemble with cathode carbon pieces, the end from pot shell begins to install first cathode carbon pieces then, vertical cathode steel bar passes the antiseepage bed of material, insulating brick-layer and pot shell, makes cathode carbon pieces bottom and antiseepage bed of material firm engagement; To the communicating pores of insulating brick-layer, water pouring material from the cathode carbon pieces sidepiece, and mechanical pudding, concordant with insulating brick-layer above; From the cathode carbon pieces sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping of the communicating pores that the cathode carbon pieces bottom antiseepage bed of material is reserved, and extend to the edge of next cathode carbon pieces insulating brick-layer communicating pores to the outside; Cathode carbon pieces is installed successively to all having adorned according to above-mentioned method;
(5), ramming is pricked and is stitched 7 admittedly between adjacent cathode carbon pieces; Limit portion material layer is installed between cathode carbon pieces and pot shell side.
Fixed muffle on described pot shell bottom, sleeve covers communicating pores, and, the outer building heat-insulation brick layer of sleeve and the antiseepage bed of material, after first cathode carbon pieces installs, in the communicating pores of insulating brick-layer, water pouring material from telescopic upper end or sidewall opening, and mechanical pudding, concordant with insulating brick-layer above, from the cathode carbon pieces sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping of the communicating pores that the antiseepage bed of material in cathode carbon pieces bottom is reserved, and extend to the edge of next cathode carbon pieces insulating brick-layer communicating pores to the outside; Cathode carbon pieces is installed successively to all having adorned according to above-mentioned method.
In described sleeve upper end sealing cover is set, to increase sealing effectiveness.
Beneficial effect of the present invention:
1, the cross section of cathode steel bar of the present invention is less than the cross section of insulating brick-layer communicating pores, fill by pouring material or other stopping composition between this communicating pores and the cathode steel bar, have good sealing antiseepage ability, and, communicating pores can be made step, has increased sealing effectiveness.
2, tamp with anti-bleed ramming between this communicating pores and the cathode steel bar less than the cross section of antiseepage bed of material communicating pores in the cross section of cathode steel bar of the present invention, has guaranteed sealing and antiseepage.
3, a prefabricated sleeve on the hole that cathode steel bar of the present invention passes can conveniently be built by laying bricks or stones and the passing of cathode steel bar, and in addition, sealing cover can also be installed on sleeve, to increase sealing effectiveness.
4, a large amount of human and material resources are saved in building method easy construction of the present invention, adopt pouring material and antiseepage bed of material ramming to tamp, and are easy to implement, the sealing good seepage-proof property.
5, building method of the present invention is workable, and is simple and practical, and it is applied widely, can be applicable to the aluminium cell that vertically goes out electricity of all models.
6, the invention solves the technical barrier of aluminium cell vertically discharging industrial application, will play great pushing effect vertically going out applying of electrit electrolysis tech.
Four. description of drawings:
Fig. 1 is for vertically going out one of electric aluminum cell cathode inner lining structure figure;
Fig. 2 is the side-view of Fig. 1;
Fig. 3 is for vertically going out two of electric aluminum cell cathode inner lining structure figure;
Fig. 4 is the side-view of Fig. 3;
Fig. 5 is for vertically going out three of electric aluminum cell cathode inner lining structure figure;
Fig. 6 is the side-view of Fig. 5;
Fig. 7 is the vertical view of pot shell among Fig. 1;
Fig. 8, Figure 10, Figure 12, Figure 13 are the step synoptic diagram of building method of the present invention;
Fig. 9, Figure 11 are respectively the side-views of Fig. 8 and Figure 10.
Five. embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 7-Figure 13, among the figure, aluminium cell vertically discharging cathode construction of the present invention comprises the pot shell 1 of steel, bottom insulating brick-layer 2, the antiseepage bed of material 3, rod iron pouring material 4, cathode steel bar 5, cathode carbon pieces 6 is pricked and is stitched 7 admittedly, and trough side part material 8 is formed.
Insulating brick-layer 2 is made up of multilayer insulant, successively level is laid on pot shell 1 bottom, cathode steel bar 5 is provided with communicating pores in the position that insulating brick-layer 2 passes, the position of communicating pores is corresponding with cathode steel bar 5, the cross section of communicating pores should be greater than the cross section of cathode steel bar 5, fill by pouring material 4 or other stopping composition between communicating pores and the cathode steel bar 5, and sealing antiseepage ability is arranged.In order to increase sealing effectiveness, this communicating pores can be made step shown in Figure 1.
The antiseepage bed of material 3 lies in a horizontal plane on the insulating brick-layer 2, be shaped through ramming, cathode steel bar 5 is provided with communicating pores in the position that the antiseepage bed of material 3 passes, the position of communicating pores is corresponding with cathode steel bar 5, the cross section of communicating pores should be greater than the cross section of cathode steel bar 5, after cathode steel bar 5 is installed, tamp with anti-bleed ramming, to guarantee sealing and antiseepage.The top of cathode steel bar 5 is connected with cathode carbon pieces 6, and the lower end is passed the antiseepage bed of material 3, insulating brick-layer 2 and pot shell 1 and is connected with the bus of electrolyzer, forms current paths.
Building method of the present invention is:
After bottom thermal insulation layer 2 is built by laying bricks or stones and is finished, the horizontal as follows thereon ramming antiseepage bed of material 3: as shown in Figure 8, the impervious material 14 all around among first ramming Fig. 7; First cathode carbon pieces 6 (Figure 10) at one end is installed, and vertical cathode steel bar 5 medullary rays are consistent with the medullary ray of communicating pores 10; To the communicating pores of insulating brick-layer 2, water pouring material from cathode carbon pieces 6 sidepieces (direction shown in Figure 10 arrow 13), and mechanical pudding, concordant with insulating brick-layer above.From the cathode carbon pieces 6 sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping that cathode carbon pieces 6 bottoms are reserved, and extend to the edge of next cathode carbon pieces 6 insulating brick-layer communicating pores to the outside.Using such method is installed cathode carbon pieces successively, up to all installing.
After cathode carbon pieces 6 installations, after it was fixed, monolithic cathode was pricked and is stitched 7 admittedly.Install and make firm by ramming limit portion material 8 at last.
Embodiment two: referring to Fig. 3, Fig. 4, present embodiment and embodiment one are basic identical, and something in common does not repeat, and difference is: sleeve 9 is installed on the communicating pores of pot shell 1, sleeve 9 can be that metallic substance and pot shell 1 are welded, and also can be that non-metallic material and pot shell 1 bonding form.Sleeve 9 outside surfaces contact with the insulating brick-layer 2 and the antiseepage bed of material 3, are respectively arranged with rod iron between its internal surface and the cathode steel bar 5 and build the bed of material 4 and impervious barrier.After first cathode carbon pieces 6 installs, in the communicating pores of insulating brick-layer 2, water pouring material 4 from the upper end or the sidewall opening of sleeve 9, and mechanical pudding, concordant with insulating brick-layer 2 above, from the cathode carbon pieces 6 sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping of the communicating pores that the cathode carbon pieces 6 bottom antiseepage bed of materials are reserved, and extend to the edge of next cathode carbon pieces 6 insulating brick-layers 2 communicating pores to the outside; Cathode carbon pieces is installed successively to all having adorned according to above-mentioned method.
Embodiment three: referring to Fig. 5, Fig. 6, present embodiment and embodiment two are basic identical, and something in common does not repeat, and difference is: sleeve 9 highly is lower than the antiseepage bed of material 3 upper surfaces, and sealing cover 12 is arranged at sleeve 9 tops.During construction, after having watered pouring material 4, sealing cover 12 and sleeve 9 suitable for reading being bonded and sealed, and then the ramming antiseepage bed of material 3.
Claims (7)
1. one kind vertically goes out electric aluminum cell cathode inner lining structure, contain pot shell, the insulating brick-layer and the antiseepage bed of material, it is characterized in that: the bottom of described pot shell, the insulating brick-layer and the antiseepage bed of material are respectively arranged with communicating pores on the opposite position up and down, be provided with cathode steel bar in the described communicating pores, the upper end of this cathode steel bar is connected with the cathode carbon pieces lower surface, its lower end is run through pot shell and is gone out, the cross section of described cathode steel bar is less than the cross section of communicating pores, between cathode steel bar and the pot shell bottom is running fit, realize insulation, be provided with rod iron between vertical steel plate and the insulating brick-layer and build the bed of material, increase sealing effectiveness, ramming has tamped impervious barrier between the vertical steel plate and the antiseepage bed of material, sealing and antiseepage.
2. the aluminum cell cathode inner lining structure that vertically goes out electricity according to claim 1, it is characterized in that: the communicating pores on the described insulating brick-layer is a step, is convenient to fastening rod iron and builds the bed of material.
3. the aluminum cell cathode inner lining structure that vertically goes out electricity according to claim 1, it is characterized in that: a sleeve is set in the described communicating pores, this telescopic lower end and pot shell internal surface are fixed, its outside surface contacts with the insulating brick-layer and the antiseepage bed of material, is respectively arranged with rod iron between its internal surface and the cathode steel bar and builds the bed of material and impervious barrier.
4. the aluminum cell cathode inner lining structure that vertically goes out electricity according to claim 3 is characterized in that: described sleeve upper end is provided with sealing cover.
5, a kind of building method that vertically goes out the aluminum cell cathode inner lining structure of electricity may further comprise the steps:
(1), according to the quantity and the arrangement of cathode steel bar, on the pot shell bottom, be drilled with the pot shell communicating pores;
(2), at pot shell bottom building heat-insulation brick layer, and the communicating pores that lays insulating brick-layer on the position of communicating pores of pot shell in correspondence;
(3), on insulating brick-layer, the horizontal ramming antiseepage bed of material, and the communicating pores of reserving the antiseepage bed of material on the position of communicating pores of pot shell in correspondence;
(4), will cathode steel bar the upper end assemble with cathode carbon pieces, the end from pot shell begins to install first cathode carbon pieces then, vertical cathode steel bar passes the antiseepage bed of material, insulating brick-layer and pot shell, makes cathode carbon pieces bottom and antiseepage bed of material firm engagement; To the communicating pores of insulating brick-layer, water pouring material from the cathode carbon pieces sidepiece, and mechanical pudding, concordant with insulating brick-layer above; From the cathode carbon pieces sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping of the communicating pores that the cathode carbon pieces bottom antiseepage bed of material is reserved, and extend to the edge of next cathode carbon pieces insulating brick-layer communicating pores to the outside; Cathode carbon pieces is installed successively to all having adorned according to above-mentioned method;
(5), ramming is pricked and is stitched 7 admittedly between adjacent cathode carbon pieces; Limit portion material layer is installed between cathode carbon pieces and pot shell side.
6, building method according to claim 5, it is characterized in that: fixed muffle on the pot shell bottom, sleeve covers communicating pores, and, the outer building heat-insulation brick layer of sleeve and the antiseepage bed of material, after first cathode carbon pieces installs, in the communicating pores of insulating brick-layer, water pouring material from telescopic upper end or sidewall opening, and mechanical pudding, concordant with insulating brick-layer above, from the cathode carbon pieces sidepiece along continuous straight runs anti-bleed of ramming inwards, the space tamping of the communicating pores that the cathode carbon pieces bottom antiseepage bed of material is reserved, and extend to the edge of next cathode carbon pieces insulating brick-layer communicating pores to the outside; Cathode carbon pieces is installed successively to all having adorned according to above-mentioned method.
7, building method according to claim 6 is characterized in that: in the sleeve upper end sealing cover is set, to increase sealing effectiveness.
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| CN200910066094A CN101665955A (en) | 2009-09-09 | 2009-09-09 | Cathode lining structure of aluminium cell vertically discharging and constructing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838824A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Novel cathode liner structure with large-scale pre-baked aluminum electrolysis cell |
| CN101962783A (en) * | 2010-11-10 | 2011-02-02 | 河南中孚实业股份有限公司 | Method for constructing vertically discharging aluminum electrolysis cell lining |
| RU2458185C1 (en) * | 2010-12-30 | 2012-08-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Cathode device of aluminium electrolyser |
| CN103205776A (en) * | 2013-04-27 | 2013-07-17 | 郑州轻冶科技有限公司 | Horizontal current-feed aluminum electrolysis cell |
| CN104797743A (en) * | 2012-11-13 | 2015-07-22 | 俄罗斯工程技术中心 | Lining for an aluminium electrolyzer having inert anodes |
| WO2017018911A1 (en) * | 2015-07-24 | 2017-02-02 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Method for lining a cathode assembly of an electrolysis tank for producing primary aluminium (variants) |
| CN112384966A (en) * | 2018-07-18 | 2021-02-19 | 株式会社日本显示器 | Display device and array substrate |
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2009
- 2009-09-09 CN CN200910066094A patent/CN101665955A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101838824A (en) * | 2010-05-20 | 2010-09-22 | 河南中孚实业股份有限公司 | Novel cathode liner structure with large-scale pre-baked aluminum electrolysis cell |
| CN101962783A (en) * | 2010-11-10 | 2011-02-02 | 河南中孚实业股份有限公司 | Method for constructing vertically discharging aluminum electrolysis cell lining |
| RU2458185C1 (en) * | 2010-12-30 | 2012-08-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Cathode device of aluminium electrolyser |
| CN104797743A (en) * | 2012-11-13 | 2015-07-22 | 俄罗斯工程技术中心 | Lining for an aluminium electrolyzer having inert anodes |
| CN104797743B (en) * | 2012-11-13 | 2017-06-06 | 俄铝工程技术中心有限责任公司 | For the pad of the aluminium cell with inert anode |
| CN103205776A (en) * | 2013-04-27 | 2013-07-17 | 郑州轻冶科技有限公司 | Horizontal current-feed aluminum electrolysis cell |
| WO2017018911A1 (en) * | 2015-07-24 | 2017-02-02 | Общество с ограниченной ответственностью "Объединенная Компания РУСАЛ Инженерно-технологический центр" | Method for lining a cathode assembly of an electrolysis tank for producing primary aluminium (variants) |
| US20180223441A1 (en) * | 2015-07-24 | 2018-08-09 | United Company RUSAL Engineering and Technology Centre LLC | Method for lining a cathode assembly of a reduction cell for production of primary aluminum (variants) |
| US10774434B2 (en) | 2015-07-24 | 2020-09-15 | United Company RUSAL Engineering and Technology Centre LLC | Method for lining a cathode assembly of a reduction cell for production of primary aluminum (variants) |
| CN112384966A (en) * | 2018-07-18 | 2021-02-19 | 株式会社日本显示器 | Display device and array substrate |
| CN112384966B (en) * | 2018-07-18 | 2023-03-28 | 株式会社日本显示器 | Display device and array substrate |
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Application publication date: 20100310 |