US3410786A - Superstructure for electrolytic cells - Google Patents
Superstructure for electrolytic cells Download PDFInfo
- Publication number
- US3410786A US3410786A US541197A US54119766A US3410786A US 3410786 A US3410786 A US 3410786A US 541197 A US541197 A US 541197A US 54119766 A US54119766 A US 54119766A US 3410786 A US3410786 A US 3410786A
- Authority
- US
- United States
- Prior art keywords
- superstructure
- girder
- cross member
- posts
- post
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/005—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells of cells for the electrolysis of melts
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
- C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/10—External supporting frames or structures
Definitions
- FIG. 1 is a diagrammatic elevational view of a superstructure embodying the features of this invention in use with an aluminum cell employing prebaked anodes;
- FIG. 2 is a top plan view of a superstructure shown in FIG. 1;
- FIG. 3 is a schematic elevational view 1n WhlCh the right side is taken along the line a-a of FIG. 2 and in which the left side is an elevational view of the superstructure of FIG. 2;
- FIG. 4 is a sectional view taken along the iine b-b of FIG. 2 with the cross member in raised position;
- FIG. 5 is a sectional view taken along line c-c of FIG. 6 showing the means for suspending the fixed girder in one of the posts;
- FIG. 6 is a sectional view in which the left hand side is taken along the line d-d of FIG. 5 and in which the right hand side is taken along the line e-e of FIG. 5;
- FIG. 7 is an elevational view of a post shown 1n support of the fixed girder.
- the superstructure embodying features of this invention comprises: at least two posts, each of which is fixed on the tank by means of an articulated or pivotal joint and a mechanically insulated joint;
- a fixed girder supported on the posts including a height adjusting mechanism, such as a bolt and nut assembly in which one is mounted for relative turning movement to the other;
- connecting elements which are fixed to the cross member and adapted for use in connecting the cross members with the rods forming a part of the anodic system.
- connection between the girder and one of the posts is in the form of a housing with the fixed girder being articulated on the other posts.
- the superstructure comprises at least two posts or, as in the embodiment illustrated, four posts 101, 102, 103 and 104, in which the posts are positioned and articulated or pivoted at their lower ends on the tank 10 of the cell 1.
- a fixed girder 200 extends crosswise between the upper ends of the posts and a cross member 300 is suspended from the fixed girder and mounted for movement vertically relative to the fixed girder as by means of a jack 310.
- the fixed girder is formed of two I-sections 201 and 202 (see FIG. 4), which are interconnected at their upper end by three section members 203, 204 and 205 (FIG. 2 or 3) and strongly braced at the bottom by transverse angle irons 206 and oblique angle irons 207 (FIG. 2).
- openings 211, 212, 213 and 214 respectively dimensioned to receive the posts and formed by an angle iron frame.
- the transverse angle members 205 and 206 and the smaller longitudinal angle members 217 and 218 form the framing of the openings 211 and 212 with the I-section bars which may be reinforced, if necessary, by means of an angle member.
- Extending through each of the frames is a pin 223 and 224 (FIG. 6) which extends into the post through an opening 225 and 226 formed in the web of the two welded U-section members which form the post.
- each post is closed by a flat plate 231, 232, 233 and 234 respectively provided with an opening through which an elongate bolt 235 extends into threaded engagement with a nut 237 contained within a housing 236 (FIG. 5).
- This housing 236 can be displaced vertically upwardly or downwardly responsive to turning movement of the bolt in one direction or the other.
- the housing is fixed to a support 238 through which the pin 234 extends.
- One of the posts such as the post 103, has a supplementary girder means formed by a two-pronged fork 230 which fits around three faces of the post, thus insuring the housing of the post at the selected height.
- the posts are connected in pairs at each end of the cell and at their lower end portion, as by cross pieces 105 and 106 (FIG. 3).
- Each post is positioned on the tank by means of a pivot or articulated joint 110 (FIG. 7).
- the deformations of the tank are therefore no longer transmitted to the superstructure.
- the girder is capable of maintaining its horizontal relationship independently of any deformations.
- Each post, such as post 103 carries the first element 111 of the articulated joint, such as a plate fixed to the lower end of the post.
- the second element 112 of said joint is carried by the tank to which it is secured by means of bolts 114, each of which is insulated by insulating sleeve 115 and a nut 116.
- An insulating plate 117 is interposed between the support 11, which is fast with the tank, and the second element 112 of the articulated joint.
- Insulating washers are interposed, one of said washers 118 being located between the head of the bolt 114 and the second element 112, while the other washer 115 is located between the support 11 and the nut 116.
- the pin 113 pivotally interconnects the two elements 111 and 112.
- the insulating plate 117, the sleeve 115 and the washers 118 and 119 form an insulating joint which enables the superstructure assembly to be brought to a positive electrical potential with re spect to the tank.
- the cross member 300 is suspended from the fixed girder from at least two laterally spaced apart points. Means are provided for vertical adjustment of the cross member 300 relative its support. For this purpose, use is made of a system of rods adapted to be actuated by means of a single jack 310.
- the jack is pivoted at one end on the fixed girder 200 while the other end is pivoted at a point 312 on a lever plate 311 which is pivoted for rocking movement about a pin 313 fast with the fixed girder.
- An elongate rod 315 is pivoted at one end at the point 314 on the lever at a point offset from the pivot while the other end is pivoted onto the cross member 300.
- a second lever plate 317 is mounted for rocking movement about another pivot pin 319 spaced laterally from the pivot 313.
- the levers 311 and 317 are interconnected for concurrent rocking movement about their respective pivots by means of a rod 316 pivoted at one end on a pin 318 offset from the pivot 319 of the lever 317 while the other end is pivoted on a pin on an offset portion of the lever 311.
- a rod 321 is pivoted at one end onto an offset portion of the lever 317 and at the other end onto the cross member 300.
- the described lever and rod system can be duplicated, each system acting on one of the two section members which, as heretofore described, form the cross member.
- the described arrangement enables the cross member to be actuated by means of a single jack or fluid cylinder whereby a parallel relationship can be maintained between the movablecross member and the fixed girder.
- the path of the point of suspension of the cross member 300 is not a straight vertical line but an arc of a circle, the difference being that this are and its cord is so small that the guiding arrangement is subjected to only insignificant horizontal forces.
- the rods are preferably mounted for swiveling movement so as to be able to be subjected to lateral forces without distortion.
- the guiding arrangement comprises a plurality of guide rods 331 fixed to the cross member and arranged to extend through openings 333 formed in the fiat members 332 secured to the fixed girder 200.
- FIGS. 2 and 3 represent a guiding arrangement positioned outwardly of the cross members and comprising rods 331 and flat mem bers 332. This arrangement opposes rotational movement of the cross members relative to a vertical axis having the center of the tank as its center as when an angle shaped anode is engaged. In addition, it permits the absorption of forces resulting from the vertical displacement of the cross members which otherwise would be moved along an arc of a circle. It transfers the corresponding forces to the strongly braced lower plane of the girder.
- the cross member itself is formed of two section members 301 and 302 interconnected by two internal cross bars 331 which are opposite the guide rods and assembled with the section members by the bolts used for assembling the guiding arrangement.
- the two section members are made of metal such as aluminum or steel lined on the outer face with a sheet of aluminum.
- Each carries the connecting elements, such as 341, which permit the rods 351 of the prebaked anodes 352, or the pins of the soderberg anode, to be fixed to the cross member.
- the positive flexible conductors generally called foils, are connected to the cross members.
- An electrolytic cell superstructure comprising at least two vertically disposed posts laterally spaced apart by an amount corresponding to the width of the cell, means pivotally interconnecting the posts at their lower ends onto the top side of the cell walls, a girder extending crosswise between the upper end portions of the posts and operatively connected thereto, a cross member suspended from the girder and means for vertical displacement of the cross member relative to the girder and connecting means on the cross member to which cell rods can be connected.
- a superstructure as claimed in claim 1 which includes adjustment means operatively connecting one end of the girder with a post for displacement of the girder vertically relative to said post.
- a superstructure as claimed in claim 1 which includes electricaly insulating means between the lower ends of the posts and the cell wall to insulate the posts from the cell wall.
- a superstructure as claimed in claim 2 in which the adjustment means for vertical displacement of the girder relative the post comprises a nut means connected to the end of the girder and bolt means in threaded engagement with the nut means and secured to the post for turning movement.
- a superstructure as claimed in claim 1 in which the cross member is suspended from the girder in at least two laterally spaced apart points.
- a superstructure as claimed in claim 1 in which the cross member is suspended from the girder by at least two laterally spaced apart rods pivoted at one end to the girder and at the other end to the cross member.
- the means for vertical displacement of the cross member relative to the girder comprises a pair of laterally spaced apart lever plates pivoted onto the girder, one rod for each lever plate pivoted at one end onto a portion of the lever plate offset from the pivot and at the other end onto the cross member, an elongate rod extending crosswise between the lever plates and pivoted at its ends onto portions of each of the lever plates offset from their pivots for effecting concurrent rocking movement of the lever plates about their pivots and means for rocking one of the lever plates about its pivot.
- a superstructure as claimed in claim 5 in which only one end of the girder is pivotally mounted on the post for vertical adjustment and in which the connection between the girder and the other post comprises a housing.
- a superstructure as claimed in claim 1 which includes guide means on the cross member for guiding the cross member in vertical movement relative to the girder.
- a superstructure as claimed in claim 10 in which the guide means comprises vertical guide rods connected to one of the elements including the girder and cross member and outwardly extending plates secured to the other member and which plates have openings in registry with the rods and through which the rods extend in guiding relationship.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Bridges Or Land Bridges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR77012612 | 1965-04-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3410786A true US3410786A (en) | 1968-11-12 |
Family
ID=9696141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US541197A Expired - Lifetime US3410786A (en) | 1965-04-09 | 1966-04-08 | Superstructure for electrolytic cells |
Country Status (9)
Country | Link |
---|---|
US (1) | US3410786A (pl) |
BE (1) | BE679282A (pl) |
CH (1) | CH450735A (pl) |
DE (1) | DE1533456B1 (pl) |
GB (1) | GB1146607A (pl) |
LU (1) | LU50861A1 (pl) |
NL (1) | NL6604689A (pl) |
OA (1) | OA02216A (pl) |
SE (1) | SE323813B (pl) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3627670A (en) * | 1969-04-14 | 1971-12-14 | Daniel Duclaux | Anode rod tightening apparatus for alumina electrolysis cells |
US5288383A (en) * | 1989-03-10 | 1994-02-22 | VAW Aluminum Aktiengesellschaft | Method and apparatus for adjusting the distance between the poles of electrolysis cells |
US20060137972A1 (en) * | 2003-02-28 | 2006-06-29 | Alain Van Acker | Actuator for displacing an anode frame of an electrolysis cell for the production of aluminium |
CZ302061B6 (cs) * | 2000-07-24 | 2010-09-22 | De Nora Elettrodi S. P. A. | Motorizované zarízení pro nastavení vzdálenosti elektrod ve rtutových cláncích |
WO2016128822A1 (fr) * | 2015-02-09 | 2016-08-18 | Rio Tinto Alcan International Limited | Cuve d'electrolyse destinee a la production d'aluminium liquide et aluminerie comprenant cette cuve |
GB2571274A (en) * | 2018-02-21 | 2019-08-28 | Dubai Aluminium Pjsc | Electrolytic cell with a superstructure having intermediate legs, suitable for the Hall-Heroult process |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2758964A (en) * | 1952-08-12 | 1956-08-14 | Aluminum Co Of America | Continuous electrode and method of making the same |
US3090744A (en) * | 1959-12-29 | 1963-05-21 | Aluminium Ind Ag | Electrolytic furnace for producing aluminum having a crust breaking apparatus |
US3178363A (en) * | 1961-08-03 | 1965-04-13 | Varda Giuseppe De | Apparatus and process for production of aluminum and other metals by fused bath electrolysis |
US3245898A (en) * | 1960-12-23 | 1966-04-12 | Alusuisse | Electrolytic cell for the production of aluminum |
US3345273A (en) * | 1964-02-04 | 1967-10-03 | Reynolds Metals Co | Method of and apparatus for indicating anode positions |
-
1966
- 1966-04-06 DE DE19661533456 patent/DE1533456B1/de not_active Withdrawn
- 1966-04-06 SE SE4733/66A patent/SE323813B/xx unknown
- 1966-04-07 GB GB15620/66A patent/GB1146607A/en not_active Expired
- 1966-04-07 NL NL6604689A patent/NL6604689A/xx unknown
- 1966-04-07 OA OA52404A patent/OA02216A/xx unknown
- 1966-04-07 CH CH511966A patent/CH450735A/fr unknown
- 1966-04-08 BE BE679282D patent/BE679282A/xx unknown
- 1966-04-08 LU LU50861A patent/LU50861A1/xx unknown
- 1966-04-08 US US541197A patent/US3410786A/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2758964A (en) * | 1952-08-12 | 1956-08-14 | Aluminum Co Of America | Continuous electrode and method of making the same |
US3090744A (en) * | 1959-12-29 | 1963-05-21 | Aluminium Ind Ag | Electrolytic furnace for producing aluminum having a crust breaking apparatus |
US3245898A (en) * | 1960-12-23 | 1966-04-12 | Alusuisse | Electrolytic cell for the production of aluminum |
US3178363A (en) * | 1961-08-03 | 1965-04-13 | Varda Giuseppe De | Apparatus and process for production of aluminum and other metals by fused bath electrolysis |
US3345273A (en) * | 1964-02-04 | 1967-10-03 | Reynolds Metals Co | Method of and apparatus for indicating anode positions |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3627670A (en) * | 1969-04-14 | 1971-12-14 | Daniel Duclaux | Anode rod tightening apparatus for alumina electrolysis cells |
US5288383A (en) * | 1989-03-10 | 1994-02-22 | VAW Aluminum Aktiengesellschaft | Method and apparatus for adjusting the distance between the poles of electrolysis cells |
CZ302061B6 (cs) * | 2000-07-24 | 2010-09-22 | De Nora Elettrodi S. P. A. | Motorizované zarízení pro nastavení vzdálenosti elektrod ve rtutových cláncích |
US20060137972A1 (en) * | 2003-02-28 | 2006-06-29 | Alain Van Acker | Actuator for displacing an anode frame of an electrolysis cell for the production of aluminium |
WO2016128822A1 (fr) * | 2015-02-09 | 2016-08-18 | Rio Tinto Alcan International Limited | Cuve d'electrolyse destinee a la production d'aluminium liquide et aluminerie comprenant cette cuve |
GB2571274A (en) * | 2018-02-21 | 2019-08-28 | Dubai Aluminium Pjsc | Electrolytic cell with a superstructure having intermediate legs, suitable for the Hall-Heroult process |
Also Published As
Publication number | Publication date |
---|---|
GB1146607A (en) | 1969-03-26 |
BE679282A (pl) | 1966-10-10 |
SE323813B (pl) | 1970-05-11 |
OA02216A (fr) | 1970-05-05 |
CH450735A (fr) | 1968-01-31 |
NL6604689A (pl) | 1966-10-10 |
DE1533456B1 (de) | 1969-10-23 |
LU50861A1 (pl) | 1966-10-10 |
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