CN105940147A - Electrolysis tank casing - Google Patents
Electrolysis tank casing Download PDFInfo
- Publication number
- CN105940147A CN105940147A CN201580006167.1A CN201580006167A CN105940147A CN 105940147 A CN105940147 A CN 105940147A CN 201580006167 A CN201580006167 A CN 201580006167A CN 105940147 A CN105940147 A CN 105940147A
- Authority
- CN
- China
- Prior art keywords
- pot shell
- electrolyzer
- window
- sealing chamber
- shoulder
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
- C25C3/14—Devices for feeding or crust breaking
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)
Abstract
The invention relates to an electrolysis tank comprising a casing (1) covered with an inner coating and including a base (10) and side walls (11, 12), the casing (1) being intended to receive a cryolite bath, and a containment enclosure on the casing, the enclosure comprising side walls, at least one of the side walls of the enclosure being offset towards the exterior of the casing relative to a side wall thereof, the tank comprising at least one peripheral shoulder (16, 17) extending between the offset side walls of the casing and of the enclosure, each shoulder comprising at least one window (18a) through each of which passes a tank component moving in translation along a translation axis T-T'.
Description
Technical field
The present invention relates to by being electrolysed in the electrolyzer comprising cryolite bath (cryolite bath)
Produce the general technology field of aluminum.
Relate more specifically to a kind of groove being designed to comprise the electrolyzer of such a cryolite bath
Shell.Anode is specifically made up of the carbon of prebake conditions type.
Background technology
Mostly by being dissolved in the electrolytic production of aluminum of the Alumina in cryolite bath.
At present, producing aluminum at industrial scale in a kind of electrolyzer, this electrolyzer includes especially:
-one parallelepiped pot shell, including substrate and sidewall, this pot shell opens wide at an upper portion thereof,
-one described substrate covering this pot shell and the refractory liner of sidewall,
-one negative electrode based on carbon anode/cathode block, described carbon anode/cathode block is disposed in this pot shell
And it is connected to the electric conductor for transmitting Faradaic current.
Electrolyzer also include the bath of cryolite, the bath of this cryolite be included in this pot shell and specifically by
The Alumina composition of cryolite and dissolving.
The carbon block of the prebake conditions constituting the anode of anode assemblies is immersed in this cryolite and bathes, and with
The cell reaction production aluminum is consumed.
One horizontal superstructure is installed on this pot shell of this electrolyzer.This superstructure example
As being placed on this pot shell and extending the most over the ground with it on the opening of this pot shell.This top is tied
Structure is used to be supported on the different of this electrolyzer of arranging the most over the ground above the opening of this pot shell from it
Assembly, such as:
-lifting device, is designed to make this anode be reduced in this electrolyzer along with anode is consumed,
-reactant feedway, is designed to allow the reactant being consumed during cell reaction
Insert in the bath of this cryolite,
-one dusty gas collecting device, is designed to the dirt preventing generating during cell reaction
Dye gas such as, released by carbon dioxide, carbon monoxide, sulfur dioxide and gaseous hydrogen fluoride
It is put in air.
Finally, electrolyzer is generally of a lid arrangement, and this lid arrangement is by being placed on the upper of this pot shell
A series of covers between edge and this superstructure are constituted.This lid arrangement is designed to cover this pot shell
And the open-top part between this superstructure, so that gas pollutant is enclosed in this electrolyzer.
In the bottom of this electrolyzer, define by draw or suction period be removed one layer
Liquid aluminium.
One shortcoming of the electrolyzer of this type is the risk that gas pollutant escapes into outside.Gas
These risks of effusion can have different reasons.
Specifically, such as, covering product can be with heap for the various products used in cell reaction
Amass on the edge of this pot shell supporting described cover.This accumulation of product may interfere with correctly places institute
State cover.This cause this pot shell top edge and be arranged in this electrolyzer every side cover it
Between occur that dusty gas leaks.
Additionally, the anode rod of anode assemblies is through this lid arrangement.These anode rods with in order to anti-
Only gas escapes the dynamic of offer by the engaging zones between this lid arrangement and described anode rod
Sealing device associates.But, described dynamic sealing means is likely to be broken, especially described in operation
Anode rod is during replacing, with new anode, the anode exhausted.Damage to described dynamic sealing means
Badly the engaging zones between this lid arrangement and described anode rod is caused to occur that dusty gas is revealed.
Another shortcoming of the electrolyzer of this type relates to when replacing the anode exhausted with new anode
The moving movement of Shi Suoshu anode assemblies.The appearance of the superstructure on this pot shell opening hinders
Described anode assemblies vertically movable.It is thus desirable to use the described anode around this superstructure
The complicated moving movement of assembly is to allow to take out them from this electrolyzer.
An object of the invention is to propose a kind of electrolyzer overcoming at least one disadvantages mentioned above.Tool
Body ground, an object of the invention be propose a kind of sealing with the improvement to gas pollutant and
It is easy to take out the electrolyzer of anode assemblies wherein.
Summary of the invention
To this end, the present invention proposes a kind of electrolyzer for producing aluminum, this electrolyzer includes one
Pot shell, this pot shell is coated with a lining and has substrate and sidewall, and this pot shell is designed to connect
Receive a cryolite bath, it is characterised in that this electrolyzer also includes that has the sidewall at this pot shell
The sealing chamber of the sidewall extended above, at least one sidewall of this sealing chamber is relative to the sidewall of this pot shell
To the biased outward of this pot shell, and the biasing sidewall of this pot shell and this sealing chamber passes through shoulder
(shoulder) mechanically connected, this shoulder has at least one window, corresponding cell component
It is moved through described window along by the axis T-T' of this window.
In the context of the present invention, when the bottom margin of sidewall of sealing chamber is relative to the sidewall of pot shell
Top edge Horizontal offset time, it is inclined that the sidewall of this sealing chamber is considered as the sidewall of relatively this pot shell
Put.Mean to the outside of pot shell in the relative side internal with pot shell relative to this sidewall.
This shoulder is advantageously at the sidewall of the biasing lower limb of sidewall of this sealing chamber and this pot shell
Extend between top edge.This shoulder is more specifically to provide the biasing sidewall of sealing chamber with its machinery even
The solid wall of the sealing between the pot shell connect.This shoulder can also advantageously support and guarantee sealing chamber
Mechanical integrity.
(or multiple) shoulder that this electrolyzer is included between this pot shell and this sealing chamber.Often
Individual shoulder has (or multiple) window, along translatable by the translated axis line T-T' of described window
The assembly of movement passes described window, is perpendicular to the face that described window extends especially.
This concrete configuration is (that is, for translating the corresponding electricity of movement along the axis T-T' through this window
Solve shoulder/window composition that pond assembly passes through) for limiting the size of described window, to prevent contamination gas
Body escapes into the outside of this electrolyzer by described window.
This concrete configuration also makes by the movable part of electrolyzer such as, promotes or holes and sets
The standby periphery being arranged in this pot shell is possibly realized, unlike in the electrolyzer of prior art, and can
Movable lifting equipment and/or rig are generally put the most over the ground with the opening limited by the wall of this pot shell
Put.The fact that lifting means and/or rig are placed on this pot shell peripheral it is meant that institute
State anode assemblies not to be blocked during they travel vertically.This makes it easier to produce the envelope sealed
Closed chamber and permission anode assemblies are replaced from the top of this electrolyzer, without described anode assemblies
The moving movement that experience is complicated.
This sealing chamber contributes to closing electrolyzer gas so that being easier to catch and process them.Should
Sealing chamber advantageously comprises a removable hood device, and this removable hood device is closed by this sealing chamber
The opening that formed of the top of sidewall, unobstructedly to change anode by the top of this electrolyzer
Assembly.In removable hood device formed an opening, with from this sealing chamber take out anode assemblies or
Anode assemblies is inserted in this sealing chamber.
The preferred unrestricted aspect of the electrolyzer according to the present invention is as follows.
Preferably, this pot shell has the first and second lateral sidewalls and the first and second longitudinal side walls,
This sealing chamber has first and second extended on the first and second lateral sidewalls of this pot shell
Lateral sidewalls and extend on the first and second longitudinal side walls of this pot shell first and second
Longitudinal side wall, this first longitudinal side wall of sealing chamber relative to the first longitudinal side wall of pot shell to pot shell
Biased outward, and the first longitudinal side wall of pot shell and sealing chamber is by having the platform of at least one window
Takeing on mechanically connected, the corresponding cell component translating movement along the axis T-T' through this window is worn
Cross this window.
On at least one longitudinal side of this electrolyzer, preferably form this shoulder, lifting means and/
Or rig can arrange then along the longitudinal side of at least one of this electrolyzer.
Additionally, more specifically, described first and second longitudinal side walls of sealing chamber are relative to the phase of pot shell
The first and second longitudinal side walls answered are to corresponding the of the biased outward of pot shell, pot shell and sealing chamber
One and second longitudinal side wall by shoulder mechanically connected, each shoulder has at least one window, edge
The axis T-T' through this window to translate the corresponding cell component of movement and pass this at least one
Window.
Described first and second longitudinal side walls of this pot shell are at described the first and second of this sealing chamber
With following extension between longitudinal side wall.
One shoulder is the most advantageously fabricated on two relatively longitudinal sides of this electrolyzer, so that
Obtaining described lifting means and/or rig is symmetrical, each supply with an Alumina by convention sets
Standby association.
This electrolyzer is additionally may included in top edge and this sealing chamber of the described sidewall of this pot shell
Described sidewall bottom margin between extend four peripheral shoulders.This makes especially by described
Assembly is arranged as translatable shifting between four sidewalls and four sidewalls of this sealing chamber of this pot shell
Move and be possibly realized.
Each shoulder can form a part for this pot shell and/or this sealing chamber.Such as:
-this pot shell can include the top of described first and second longitudinal side walls along this pot shell
Edge is to outside two the peripheral shoulders extended in the space limited by this pot shell, and this sealing chamber does not has
Shoulder and being placed on the described shoulder of this pot shell,
-this sealing chamber can include described first and second longitudinal side walls along this sealing chamber
Two peripheral shoulders that lower edge extends to the inside in the space limited by this sealing chamber, this pot shell
Shoulder and sealing chamber is not had to be placed in the top edge of described sidewall of this pot shell,
-this pot shell and this sealing chamber each can have two peripheral shoulders, described of this pot shell
Take on the top edge along described first and second longitudinal side walls of this pot shell to limit to by this pot shell
The outside extension in space, and the described shoulder of this sealing chamber is along described the first of this sealing chamber
Extend to the inside in the space limited by this sealing chamber with the lower edge of the second longitudinal side wall；This groove
The fact that shell has shoulder with this sealing chamber is each this sealing chamber is made to be easier to be supported on this pot shell
Go up and improve the stability of the stacked body being made up of this pot shell and this sealing chamber,
-this pot shell and this sealing chamber can also is that a single piece also including shoulder.
The described pot shell shape that preferably become parallelepiped each with sealing chamber.This electrolyzer is then
Advantageously there is the shape of a placement two parallelepipeds on the other side, putting down of top
Row hexahedron (sealing chamber) is somewhat wide than the parallelepiped (pot shell) of bottom.
Preferably, each window extends on a face being perpendicular to translated axis line T-T'.This translation shaft
Line T-T' can be vertical (or essentially vertical).In the case, each window is at one
Horizontal plane extends.Similarly, each shoulder can be less horizontal.Hence help at platform
Sealing between window and the translation cell component of shoulder.
In an alternative embodiment, each window has and the corresponding electrolyzer group through described window
The shape of the sectional shape complementary of part, especially similar shape.This makes to may move with this at this window
The size in the gap between assembly minimizes, the risk escaped from described gap with limit pollution gas.
In some embodiments, each assembly passes a corresponding window via a dynamic sealing,
An especially dynamic sealing of annular.Each sealing member is such as installed around this translation assembly
On the edge of window.This makes the sealing improving this electrolyzer further be possibly realized.Preferably,
Each window with through its assembly electric insulation.
According to an alternate embodiment, this shoulder is included in the direction relative with the substrate of this pot shell
Upper prominent at least one tooth (cr é neau), the window formed on this at least one tooth.
Therefore the window made in the top of this tooth is increased relative to the height of this cryolite bath, with limit
Make heat, the gas relatively generated by the bath of this cryolite by the assembly of this window translation movement and cover
The exposure of lid product.
Different types of translatable mobile parts can associate with a window.Such as, when this electrolyzer
Have by along the translatable movement of axis T-T' with anode assemblies is immersed this cryolite bath in or from
When the bath of this cryolite is taken out at least one anode assemblies of anode receptor support of anode assemblies,
The shoulder of described window can associate with described anode receptor, and each window allows a corresponding anode
Receptor come through.
According to a preferred embodiment, this anode assemblies is from this sealing chamber longitudinal side wall
And it is placed on through being arranged in the relative of this electrolyzer to another longitudinal side wall through this electrolyzer
On two anode receptors of the described window of two shoulders on longitudinal side.This anode assemblies is in right and wrong
Often stably it is placed in this support and translation mobile device, and the sealing of this sealing chamber is not had shadow
Ring.
Certainly, described window (or other windows) can be (all with the assembly of other kinds of translation movement
As, for the electric current transmission equipment of anode supply or rig) associate.
Especially, in one embodiment, this electrolyzer includes one for bathing at this cryolite
Surface formed curst on manufacturing hole with to this cryolite bath feed (especially Alumina) brill
Hole equipment, shoulder has at least one window passed by this rig, is especially translated movement
The part (excellent) of rig pass.
Therefore the window associated with described rig is increased relative to the height of this cryolite bath with limit
Make described rig relatively bathed heat, the gas generated by this cryolite and cover the sudden and violent of product
Dew.
Preferably, each shoulder be included on the side of this shoulder opposed substrate at least one fix
Equipment, such as one plate with pass through openings and the formation attachment point for carrying this pot shell.This
Making to move this electrolyzer by a handling unit to be easier to, this handling unit typically comprises one
Mobilecrane, a bracket (carriage) that can be moved on this mobilecrane,
This mobilecrane uses such as hanging beam to be removably attached to this pot shell.
Each shoulder can be along longitudinal direction (the most horizontal) side of this pot shell and/or this sealing chamber
The whole length of wall extends.This makes by described translatable moving assembly along axis T-T' respectively
It is arranged in the whole length (correspondingly width) of this electrolyzer.
Advantageously, the described sidewall of this sealing chamber and this pot shell can be as the periphery at this electrolyzer
On attachment point, be typically secured to the equipment above the opening of pot shell in the prior art for those.
So, this electrolyzer can include the institute of described sidewall and/or this pot shell being fixed to this sealing chamber
State on sidewall for promote the device of described anode assemblies, rig, gas gathering system with
And Alumina supply arrangement.
Preferably, this pot shell, described shoulder and this sealing chamber are single piece.Which has limited swollen with heat
The leakage of the engaging zones between this pot shell, described shoulder and this sealing chamber that swollen problem is relevant
Risk.Alternatively, this pot shell, described shoulder and this sealing chamber can be divided into two (or more than two
Individual) part.
Accompanying drawing explanation
From below with reference to the accompanying drawings to the specific embodiments provided by way of non-limiting example
Description in will clearly understand other characteristics and the advantage of this electrolyzer, in the accompanying drawings:
-Fig. 1 shows the longitdinal cross-section diagram of an electrolyzer,
-Fig. 2 shows the view in transverse section of two adjacent cell,
-Fig. 3 is the partial view of the electrolyzer including a rig,
-Fig. 4 is the perspective schematic view of the pot shell of an electrolyzer,
-Fig. 5 shows the axonometric chart of an electrolyzer.
Detailed description of the invention
Now an embodiment of the electrolyzer according to the present invention will be described.In the figure that these are different,
Identical element has identical reference number.
With reference to cuboid word used below " sidewall ", " substrate " and " open top ".
In the context of the present invention it will be appreciate that:
-" substrate " means to be positioned at a horizontal wall of the cuboid of Near Ground,
-" open top " means the opening in a horizontal wall of the cuboid relative with substrate,
-" sides/walls " means of the cuboid extended in the face be perpendicular to substrate
Vertical face/wall,
-" longitudinal surface/wall " means the vertical face/wall of cuboid, at least one chi of this face/wall
Very little bigger than the size of other sides/walls.
-" horizontal face/wall " means vertical face/wall that the face that is transversely to the machine direction/wall extends.
Referring to figs. 1 to Fig. 3, exemplified with an embodiment of the electrolyzer according to the present invention.
Electrolyzer is substantially rectangular and includes a pot shell 1, sealing chamber 2, multiple anode
Assembly 3, negative electrode 4,5, (or multiple) rig 6 of collection and confinement of gases equipment and multiple
Lifting means 7.
This electrolyzer is for the production of aluminum.This electrolyzer can be with other the most identical electricity multiple
Xie Chi is associated, and multiple electrolyzers are arranged in succession, and two continuous print electrolyzers are at their one
At longitudinal side wall adjacent.
With reference to Fig. 4, pot shell 1 is substantially the shape of parallelepiped.This pot shell includes a substrate
10, the first and second lateral sidewalls 11 and the first and second longitudinal side walls 12.Pot shell 1 also has
There is the mounting 13 extended on the outside of substrate 10 and sidewall 11,12.These mountings 13 by with
Mechanically strengthen pot shell 1.
This pot shell 1 can be metal, such as, be made up of steel.The substrate 10 of pot shell 1 and sidewall
11, the inner surface of 12 is coated with the refractory material block 14 making pot shell 1 be incubated.Block 14 can be with example
As included fire proof material brick and/or carbon block.
Sealing chamber 2 defines a closing space above cryolite bath 19, at this sealing chamber
Anodic assembly 3 is moved.
Sealing chamber 2 is arranged on the top of pot shell 1.This sealing chamber includes that first and second is horizontal
Sidewall 21 and the first and second longitudinal side walls 22 being fixed to pot shell 1.
Preferably, the sidewall 21,22 of sealing chamber 2 is outside relative to the sidewall 11,12 of pot shell 1
Biasing so that the sidewall 21,22 of sealing chamber 2 around the sidewall 11,12 of pot shell 1 and on
Fang Yanshen, the sidewall 11,12,21,22 of pot shell 1 and sealing chamber 2 is by below by more detail
The shoulder 16,17 that ground describes is mechanically connected.
Sealing chamber 2 also includes that removable cover 23 is to cover by four sidewalls 21,22 of sealing chamber 2
The open top limited.Cover 23 can be made up of the one group of plate substantially extended in a face, and
Can be supported in the top edge of sidewall 21,22 of sealing chamber 2, and specifically in closing
The collection and confinement of gases that the upper edge of room 2 extends puts.
Pot shell 1 opens wide at its top 15.This electrolyzer has the top edge of the sidewall at pot shell
And extend between the bottom margin of the sidewall of sealing chamber one (or multiple) peripheral shoulder 16,
17。
Each peripheral shoulder 16,17 is parallel to the substrate 10 outside (phase to pot shell 1 of pot shell 1
Ying Di, to the inside of sealing chamber) extend.Described shoulder can form pot shell 1 and/or sealing chamber 2
A part.
Each shoulder 16,17 is (corresponding to the sidewall 11,12 of pot shell 1 (correspondingly sealing chamber)
Ground 21,22) association.
In the embodiment that specifically figure 4 illustrates, this pot shell includes the sidewall along pot shell 1
11, four peripheral shoulders 16,17 that a top edge of 12 extends:
-two longitudinal peripheral shoulders 16, longitudinally in each corresponding along pot shell 1 of peripheral shoulder 16
The top edge of longitudinal side wall 12 extends,
-two horizontal peripheral shoulders 17, corresponding along pot shell 1 of each horizontal peripheral shoulder 17
The top edge of lateral sidewalls 11 extends.
Alternatively, pot shell 1 (and/or sealing chamber) can (can be each) include:
-the most peripheral single shoulder 16, or
-two shoulders 16 the most peripheral, or
-one (or two) the most peripheral shoulder 16 and a horizontal peripheral shoulder 17.
Each shoulder 16,17 can include (or multiple) window 18a, when this electrolyzer exists
During operation, the cell component along axis T-T' translation movement passes described window.This electrolyzer group
Part can be a part for the lifting means 7 along translated axis line T-T' translation movement, such as, and will
The anode receptor 72 of the anode lifting equipment 7 described in further detail below.
So, each window 18a associates with the corresponding cell component through it, described electrolyzer
Assembly between two extreme positions along the translatable movement of translated axis line T-T'.
Advantageously, each window 18a extends in the face being perpendicular to translated axis line T-T'.This makes
By making them make window 18a independent of the moving of assembly along translated axis line T-T' translation movement
Size reduce be possibly realized.
In the embodiment illustrated in fig. 2, each window 18a with along translated axis line T-T'
Vertically movable respective anode receptor 72 associates.In this case, window 18a is at a water
Plane extends.Each shoulder 16,17 is not always the case.
The shape of each window 18a can be with the cross sectional shape of the assembly through described window (along vertical
A face in translated axis line T-T') complementary.This makes the size of window minimize with limit pollution
The risk that gas escapes to the outside of electrolyzer is possibly realized.With reference to Fig. 4, each window 18a be with
The rectangular shape of the cross section rectangular shape complementation of their association anode receptor 72.
Advantageously, each window 18a of pot shell 1 can include one extend on its edges close
Sealing so that this sealing member is around the translatable moving assembly associated with this window.This makes to improve and is somebody's turn to do
The risk that the sealing of electrolyzer is escaped by described window with limit pollution gas.
This sealing member can be designed as and be arranged in the hermetic unit cooperating on slide assemblies.
In this case, during assembly translation between extreme position is moved, this hermetic unit
Region along slide assemblies extends through this sealing member.So, the sealing of this electrolyzer is by really
Protect the translation regardless of this assembly how to move.
If the edge of the window that this slide assemblies passes with it is not at identical electromotive force, then around this
Hermetic unit typical annular dynamic sealing member can also serve as electric insulation.
Each (or some) shoulder 16,17 can also include (or multiple) window 18b,
A part for rig 6 passes described window, and this will be described in further detail below.
The shape of each window 18b can with the cross sectional shape of the parts through described window 18b (along
It is perpendicular to a face of translated axis line T-T') complementary, with limit pollution gas to the outside of electrolyzer
The risk of effusion.With reference to Fig. 5, each window 18b, there are the parts of the rig 6 associated with it
Complementary round-shaped of cylinder form.
Sealing member can be arranged on the edge of each window 18b so that this sealing member is around boring
The translatable mobile parts of equipment 6.
Sealing member can be designed as and be arranged in the sealing distribution on the parts of rig 6
Close work, this part when these parts translate between its extreme position movement and slide through this
Extend on the whole region of the parts of sealing member.
Window 18a and 18b can extend in the same face.
Alternatively and as shown in Figure 5, window 18a and 18b can extend in not coplanar.
In the embodiment that specifically figure 5 illustrates, each shoulder 16,17 is included in pot shell
The tooth that the contra of the substrate 10 of 1 projects upwards.
Each tooth has a horizontal plane, defines a corresponding window 18b in this horizontal plane,
Window 18b is made to extend to the height that the height than window 18a is bigger.
Advantageously, the sidewall 21,22 of sealing chamber 2 can hold at the free end of shoulder 16,17
It is loaded in the top edge of pot shell 1.Thus, by the lower edge of the sidewall 21,22 of sealing chamber 2
The surface area of opening that edge limits is essentially equal to the sum of following surface area:
The surface area of-shoulder 16,17, and
-the surface area of upper opening that limited by the top edge of the sidewall 11,12 of pot shell 1.
Preferably, pot shell 1, shoulder 16,17 and sealing chamber 2 are single piece.Which has limited
The risk of leakage at engaging zones between this pot shell and this sealing chamber.These risks are the biggest,
Because pot shell 1 and sealing chamber will performances relative to the expansion caused by the high running temperature of electrolyzer
Obtain different.
Alternatively, pot shell, shoulder 16,17 and sealing chamber can be divided into two (or more than two)
Part.In one embodiment, pot shell 1 and each shoulder with following extension of sealing chamber 2:
-for the shoulder of pot shell 1, along the upper edge of longitudinal direction (with the laterally) sidewall of this pot shell
Edge extends,
-for the shoulder of sealing chamber 2, under longitudinal direction (with the laterally) sidewall of this sealing chamber
Edge, portion extends.
Described shoulder is preferably perpendicular to the sidewall of pot shell 1 and sealing chamber 2 and extends, sealing chamber 2
Each shoulder can contact with the respective peripheral shoulder of pot shell 1.
Make sealing chamber 2 bear at groove at shoulder present on the sidewall of pot shell 1 and sealing chamber 2 simultaneously
It is easier to and improves the stability of the stacked body being made up of pot shell 1 and sealing chamber 2 on shell 1.
As it has been described above, each shoulder can be along the sidewall of sealing chamber 2 (correspondingly pot shell 1)
Whole length extends, and the shoulder of sealing chamber 2 and pot shell 1 is each to be included in when sealing chamber 2 is placed in
(or multiple) window for the position overlapped time on pot shell 1.
Each anode assemblies 3 includes an anode 31 and anode construction 32.Anode construction 32 is first
First make to operate anode 31 to be possibly realized, and secondly make to provide it with electric power and be possibly realized.
During cell reaction, the anode 31 being immersed in cryolite bath is consumed.Anode assemblies 3 needs
It is periodically replaced.
The material with carbon element block of anode 31 preferably prebake conditions type.
Anode assemblies 3, and the anode construction 32 of the most each anode assemblies 3, at sealing chamber
Horizontal expansion in electrolyzer between the vertical side of the edge 22 of 2.This anode construction includes especially
One transverse cross beams.This electrolyzer includes the multiple anodes being distributed along the longitudinal axis of this electrolyzer
Assembly 3.
This anode construction can include one by the metal (such as, steel) with good mechanical strength
The framework made.This allows this anode construction to make described anode assemblies be hung.This anode construction is also
The sections being made up of the metal (such as, copper or aluminum) with good electrical conductance can be included.This
This anode construction is allowed to transmit electric power to power to described anode assemblies.
Negative electrode 4 can include the multiple cathode blocks being made up of carbon materials.
Negative electrode 4 is connected to the electrolysis electricity formed especially by one or more conductors in its bottom
Stream electrical conduction device 41.More specifically, each cathode block have it low portion at least
One chamber, is disposed with electrical conduction device 41 in this chamber.
Pass through to make cylinder iron to realize well between cathode block 4 and electrical conduction device 41 in chamber
Physically and electrically connect.This conductor is in pot shell 1 (especially substrate 10 or longitudinal side wall 12)
Through pot shell 1 at hole.
This conductor collects the electric current at negative electrode so that it is sent to another electrolysis from an electrolyzer
Pond.
The dusty gas that collection and confinement of gases equipment 5 generates during being retracted in cell reaction is to process them.
Collection and confinement of gases equipment 5 includes one (or multiple) capture set, is distributed on this capture set
Air entry for the suction of gas.
Capture set associates with (or multiple) pumping equipment (not shown).Capture is enclosed within closing
Extend on the longitudinal side wall 22 of room 2, and optionally extend in the lateral sidewalls 21 of sealing chamber 2.
Existence along the opening of longitudinal wall 22 of sealing chamber 2 makes the collection of raising gas pollutant
Efficiency is possibly realized.
Advantageously, the quantity of the opening of collecting device 5 can set equal to the boring being attached to electrolyzer
The quantity of standby 6.In this case, each opening can rig 6 corresponding with
Association and its placement close.
Advantageously, each capture set can be square or square-section, and strong by having high machinery
The material (such as, steel) of degree is made.This hardness making to increase suction set and intensity are possibly realized.
Therefore defining such a capture set, this capture set, in addition to guiding the basic function of gas, has
It is used as strapping tape (the ceinture de of the assembly being made up of pot shell 1 and sealing chamber 2 body
Cerclage) and be used as electrolyzer multiple assemblies (such as, rig 6 or lifting means 7)
Connection support.
Give several functions to capture set to make limit the size of electrolyzer and make to be more easily manufactured it
It is possibly realized.
What rig 6 was used to be formed on the surface of during cell reaction cryolite bath 19 consolidates
Manufacturing hole in the Alumina changed and the curst of bath.
Periodically form this some holes so that multiple compound (such as, Alumina, cryolite (Na3AlF6)
Or aluminium fluoride (AlF3)) operational factor of stable electrolyzer can be added to.
Rig includes jack 61 and boring assemblies 62.
Boring assemblies 62 is designed to be arranged on the top treating drilled curst.Jack 61
Boring assemblies 62 is driven vertically to move back and forth to hole to curst by U-type structure 63, should
U-type structure is made up of first and second wings being connected to lateral core.
The guide rod mutual dependence for existence of first wing and jack 61 and the translated axis line T-T' along this guide rod
Elongate and extend.Second wing and boring assemblies 62 mutual dependence for existence.
Thermal insulation part can be fixed between first wing and guide rod to limit heat propagation to very heavy
The risk on top 61, because increasing suddenly of the temperature of jack 61 may cause the damage to it.
Can be that the window associated with rig 6 provides the slip of the guide rod for jack 61 to draw
Lead device.These guides make to guide by the guide rod of jack 61, boring assemblies 62 and
The translation of the assembly that U-type structure 63 is constituted is moved and is possibly realized.
Such as, each window 18b associated with rig 6 can include around first wing and formation
The track 64 of the guide for sliding.This track 64 extends on the edge of window 18b,
And it is preferably perpendicular to outside (that is, the platform of shoulder 16a, 17a of the substrate 10 towards pot shell 1
Take on relative to by the face closing the space that chamber 2 limits) prominent, so that shoulder 16a, 17a's is upper
The minimized height of the lateral core in face.
Lifting means 7 allows operation anode construction 32, and therefore operation anode assemblies 3.Specifically,
Lifting means 7 moves anode assemblies 3 with being used to vertical translation.
Each anode assemblies 3 lifting means 7 corresponding to two associates, and each lifting means is placed on
One end of anode assemblies.So, the movement of each anode assemblies 3 is independent of being included in electrolyzer
The movement of other anode assemblies 3.
Each lifting means 7 includes a jack 71 and an anode receptor 72.
Jack 71 is used to move anode receptor 72 along translated axis line T-T' vertical translation.
Anode receptor 72 includes that one extends along the longitudinal axis overlapped with translated axis line T-T'
The rod of square-section.The part of this rod (such as, near the end of substrate of pot shell) is electrically connected
Receive flexible electrical conduction device so that anode assemblies can be powered.The upper end of this rod includes that one sets
Being calculated as receiving the seat of the end of anode construction 32, this shape is mutual with the shape of the end of anode construction
Mend.
For guaranteeing that anode receptor 72 can along the guide that translated axis line T-T' is vertically movable
To be arranged at the window 18a associated with anode receptor.
These guides can include that (or multiple) ring partially around this rod is to allow
It is vertically slidable between following position:
-one retracted position, in this position, this seats against the surface of nearly cryolite bath, and
-one position launched, in this position, this is away from the surface of cryolite bath.
Lifting means advantageously electrically insulates with pot shell 1 and closing chamber 2.
Reader is it will be appreciated that can in the case of non-essence deviates from fresh information disclosed herein
Foregoing invention to be made many amendments.
The most in the above-described embodiment, window 18a associates with lifting means 7, and window 18b and brill
Hole equipment 6 associates.It should be apparent to those skilled in the art that window 18a and 18b is permissible
Any other component liaison with the electrolyzer along translated axis line T-T' translation movement.Additionally, with
Presented above on the contrary, window 18a can associate with rig 6 and window 18b can set with lifting
Standby 7 associations.
Additionally, in description above, window is corresponding to two dimension opening.In the case of three-dimensional opening,
Window corresponding to the projection on a face of described three-dimensional opening, this projection define one for
The aisle spare of the anode assemblies of its association.
Claims (16)
1. for producing the electrolyzer of aluminum, including:
One pot shell (1), this pot shell is coated with a lining (14) and has substrate (10)
With sidewall (11,12), this pot shell (1) is designed to receive cryolite bath (19),
It is characterized in that,
This electrolyzer also includes a sealing chamber (2), and this sealing chamber has at this pot shell (1)
The sidewall (21,22) that sidewall (11,12) extends above,
At least one in the described sidewall (21,22) of this sealing chamber (2) is relative to this pot shell
(1) a biased outward to this pot shell (1) in described sidewall (11,12), and should
Pot shell (1) and the biasing sidewall (11,12 of this sealing chamber (2)；21,22) by shoulder (16,
17) mechanically connected, this shoulder has at least one window (18a, 18b), wherein along passing through
The corresponding assembly of the electrolyzer of the axis T-T' translation movement of described window (18a, 18b) is through institute
State window.
Electrolyzer the most according to claim 1, wherein this shoulder (16,17) is in this envelope
Extend between the top edge of the lower limb of the biasing sidewall of closed chamber (2) and the sidewall of this pot shell (1).
Electrolyzer the most according to claim 1 and 2, wherein this pot shell (1) has first
With the second lateral sidewalls (11) and the first and second longitudinal side walls (12), this sealing chamber has:
-the first He of extending above in first and second lateral sidewalls (11) of this pot shell (1)
Second lateral sidewalls (21), and
-the first He of extending above at first and second longitudinal side walls (12) of this pot shell (1)
Second longitudinal side wall (22),
This first longitudinal side wall (22) of sealing chamber (2) is longitudinal relative to the first of pot shell (1)
The sidewall (12) biased outward to pot shell (1), and pot shell (1) and sealing chamber (2)
First longitudinal side wall (12,22) by have at least one window (18a, 18b) shoulder (16,
17) mechanically connected, wherein translate along the axis T-T' through described window (18a, 18b)
The corresponding cell component of movement passes described window.
Electrolyzer the most according to claim 3, wherein the first and second of sealing chamber (2)
Longitudinal side wall (22) is relative to corresponding first and second longitudinal side walls (12) of pot shell (1)
To the biased outward of pot shell (1), pot shell (1) and corresponding the first of sealing chamber (2) and
Two longitudinal side walls (12,22) are mechanically connected by shoulder (16,17), each shoulder (16,
17) there is at least one window (18a, 18b), wherein along through described window (18a, 18b)
Axis T-T' translation movement corresponding cell component pass described window.
5. according to the electrolyzer described in any one in claim 1 to 4, wherein sealing chamber (2)
Including a removable cap device closing the opening formed by the top of the sidewall of sealing chamber (2).
6., according to the electrolyzer described in any one in claim 1 to 5, the most each window exists
It is perpendicular on a face of translated axis line T-T' extend.
7. according to the electrolyzer described in any one in claim 1 to 6, wherein translated axis line
T-T' is vertical, and each shoulder generally extends at a horizontal plane.
8. according to the electrolyzer described in any one in claim 1 to 7, wherein pot shell (1)
It is substantial parallel hexahedral shape with sealing chamber (2).
9., according to the electrolyzer described in any one in claim 1 to 8, the most each window has
There is the shape of sectional shape complementary to the corresponding cell component through described window.
10., according to the electrolyzer described in any one in claim 1 to 9, this electrolyzer also wraps
Include a dynamic sealing being associated with each window.
11. according to the electrolyzer described in any one in claim 1 to 10, wherein this shoulder
Be included at least one tooth that the side relative with the substrate of this pot shell projects upwards, at this at least one
Window (18b) is formed on tooth.
12. according to the electrolyzer described in any one in claim 1 to 11, wherein this electrolysis
Pond includes at least one anode assemblies (3) supported by anode receptor (72), described anode
Receptor can move to be immersed by this anode assemblies in the bath of this cryolite along translated axis line T-T'
Or take out from this cryolite is bathed, this shoulder has at least one window (18a), and one is corresponding
Anode receptor passes described window.
13. electrolyzers according to claim 12, wherein this anode assemblies (3) is through being somebody's turn to do
Electrolyzer from a longitudinal side wall (22) of this sealing chamber (2) to another longitudinal side wall and
It is placed on the institute through two shoulders (16,17) on the relatively longitudinal side being arranged in this electrolyzer
State on two anode receptors (72) of window (18a).
14. according to the electrolyzer described in any one in claim 1 to 13, wherein this electrolysis
Pond includes at least one of manufacturing hole on the curst for being formed on the surface that this cryolite is bathed
Rig, this shoulder has at least one window that this rig passes.
15. according to the electrolyzer described in any one in claim 1 to 14, wherein this pot shell,
This shoulder and this closing chamber are single piece.
16. according to the electrolyzer described in any one in claim 1 to 15, wherein this electrolysis
Pond includes sidewall (21,22) and/or the sidewall of pot shell (1) being fixed to sealing chamber (2)
(11,12) for promoting the device of described anode assemblies, rig, gas gathering system
And Alumina supply arrangement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1400174A FR3016896B1 (en) | 2014-01-27 | 2014-01-27 | ELECTROLYTIC TANK HOUSING. |
| FR1400174 | 2014-01-27 | ||
| PCT/IB2015/000073 WO2015110905A1 (en) | 2014-01-27 | 2015-01-23 | Electrolysis tank casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105940147A true CN105940147A (en) | 2016-09-14 |
| CN105940147B CN105940147B (en) | 2018-06-01 |
Family
ID=50473518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580006167.1A Active CN105940147B (en) | 2014-01-27 | 2015-01-23 | Electrolytic cell pot shell |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3099842B1 (en) |
| CN (1) | CN105940147B (en) |
| AU (1) | AU2015208859B2 (en) |
| BR (1) | BR112016015534B1 (en) |
| CA (1) | CA2935484C (en) |
| DK (1) | DK179169B1 (en) |
| FR (1) | FR3016896B1 (en) |
| RU (1) | RU2682729C2 (en) |
| WO (1) | WO2015110905A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071534A (en) * | 1989-01-23 | 1991-12-10 | Norsk Hydro A.S. | Aluminum electrolysis cell with continuous anode |
| RU2080419C1 (en) * | 1994-11-08 | 1997-05-27 | Акционерное общество открытого типа "Сибирский научно-исследовательский, конструкторский и проектный институт алюминиевой и электродной промышленности" | Anode unit of aluminium electrolyzer |
| CN202000002U (en) * | 2011-03-24 | 2011-10-05 | 运城市关铝设备材料有限公司 | Novel anticorrosion and anti-deformation heat preserving seal groove cover for electrolysis bath |
| WO2012021924A1 (en) * | 2010-08-16 | 2012-02-23 | Aluminium Smelter Developments Pty Ltd | Rodless anode cassette |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB962599A (en) * | 1961-08-03 | 1964-07-01 | Montedison Spa | Electrolytic furnace for aluminium production |
| US3575827A (en) * | 1967-12-06 | 1971-04-20 | Arthur F Johnson | System for reduction of aluminum |
| SU549512A1 (en) * | 1974-07-22 | 1977-03-05 | Electrolyzer with baked anodes for aluminum production | |
| US4222841A (en) * | 1979-04-23 | 1980-09-16 | Alumax Inc. | Hall cell |
| CH651856A5 (en) * | 1981-07-14 | 1985-10-15 | Alusuisse | MELT FLOW ELECTROLYSIS CELL FOR THE PRODUCTION OF ALUMINUM AND HALL EQUIPPED WITH IT. |
| SU1337441A1 (en) * | 1985-12-30 | 1987-09-15 | Всесоюзный Научно-Исследовательский И Проектный Институт Алюминиевой,Магниевой И Электродной Промышленности | Shelter of aluminium electrolyzer with prebaked anodes |
| SU1571106A1 (en) * | 1988-03-25 | 1990-06-15 | Иркутский филиал Всесоюзного научно-исследовательского и проектного института алюминиевой, магниевой и электродной промышленности | Aluminium electrolyzer shelter |
| DE4118304A1 (en) * | 1991-06-04 | 1992-12-24 | Vaw Ver Aluminium Werke Ag | ELECTROLYSIS CELL FOR ALUMINUM EFFICIENCY |
| US5538607A (en) * | 1995-04-12 | 1996-07-23 | Pate; Ray H. | Anode assembly comprising an anode bar for the production of molten metal by electrolysis |
| CN1243852C (en) * | 2000-07-19 | 2006-03-01 | 阿尔科公司 | Insulation assemblies for metal production cells |
| ES2258170T3 (en) * | 2002-10-14 | 2006-08-16 | Aluminium Pechiney | EXHAUST LIMITER OF AN ELECTROLYSIS CELL. |
| EA029616B1 (en) * | 2013-08-09 | 2018-04-30 | Рио Тинто Алкан Интернэшнл Лимитед | Electrolytic device and anode assembly intended for the production of aluminium, electrolytic cell and apparatus comprising such a device |
-
2014
- 2014-01-27 FR FR1400174A patent/FR3016896B1/en not_active Expired - Fee Related
-
2015
- 2015-01-23 BR BR112016015534-3A patent/BR112016015534B1/en active IP Right Grant
- 2015-01-23 CA CA2935484A patent/CA2935484C/en active Active
- 2015-01-23 WO PCT/IB2015/000073 patent/WO2015110905A1/en active Application Filing
- 2015-01-23 EP EP15740596.0A patent/EP3099842B1/en active Active
- 2015-01-23 CN CN201580006167.1A patent/CN105940147B/en active Active
- 2015-01-23 AU AU2015208859A patent/AU2015208859B2/en active Active
- 2015-01-23 RU RU2016134823A patent/RU2682729C2/en active
-
2016
- 2016-07-19 DK DKPA201670544A patent/DK179169B1/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5071534A (en) * | 1989-01-23 | 1991-12-10 | Norsk Hydro A.S. | Aluminum electrolysis cell with continuous anode |
| RU2080419C1 (en) * | 1994-11-08 | 1997-05-27 | Акционерное общество открытого типа "Сибирский научно-исследовательский, конструкторский и проектный институт алюминиевой и электродной промышленности" | Anode unit of aluminium electrolyzer |
| WO2012021924A1 (en) * | 2010-08-16 | 2012-02-23 | Aluminium Smelter Developments Pty Ltd | Rodless anode cassette |
| CN202000002U (en) * | 2011-03-24 | 2011-10-05 | 运城市关铝设备材料有限公司 | Novel anticorrosion and anti-deformation heat preserving seal groove cover for electrolysis bath |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3099842A1 (en) | 2016-12-07 |
| EP3099842A4 (en) | 2017-11-22 |
| AU2015208859A1 (en) | 2016-07-28 |
| DK201670544A1 (en) | 2016-09-05 |
| RU2016134823A3 (en) | 2018-10-03 |
| DK179169B1 (en) | 2018-01-02 |
| CN105940147B (en) | 2018-06-01 |
| BR112016015534B1 (en) | 2022-03-15 |
| FR3016896A1 (en) | 2015-07-31 |
| WO2015110905A1 (en) | 2015-07-30 |
| EP3099842B1 (en) | 2019-07-24 |
| BR112016015534A2 (en) | 2017-08-08 |
| RU2682729C2 (en) | 2019-03-21 |
| CA2935484A1 (en) | 2015-07-30 |
| RU2016134823A (en) | 2018-03-05 |
| CA2935484C (en) | 2021-06-08 |
| FR3016896B1 (en) | 2016-01-15 |
| AU2015208859B2 (en) | 2019-02-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2787207C (en) | Electrolytic cell for producing primary aluminum by using inert anode | |
| US10151038B2 (en) | Electrolytic device and anode assembly intended for the production of aluminium, electrolytic cell and apparatus comprising such a device | |
| CN108193235A (en) | A kind of rare earth electrolysis cell electrode structure and rare earth electrolysis cell | |
| US10513788B2 (en) | Electrolysis tank comprising an anode assembly contained in a containment enclosure | |
| CN100540751C (en) | Electrolyzer limit leakage device | |
| RU2684025C2 (en) | Electrolytic cell comprising anode assembly hoisting device | |
| CN205241811U (en) | Tombarthite fused salt electrolysis groove of liquid negative pole production rare earth metal and alloy | |
| CN105940147A (en) | Electrolysis tank casing | |
| CN105934537B (en) | covering system for electrolytic cell | |
| CN203613277U (en) | Aluminum electrolysis cell with center seam striker plate | |
| JPS5853717B2 (en) | Stabilization method of aluminum metal layer in aluminum electrolyzer | |
| RU2023760C1 (en) | Device for collecting gases in electrolyzers for manufacture of aluminum | |
| CN113737225A (en) | Lining structure and rare earth metal fused salt electrolytic cell adopting same | |
| DK201670543A1 (en) | Device for drilling a crust of a cryolite bath that can be positioned on the periphery of an electrolytic cell | |
| CN104694957A (en) | Centre joint baffle plate equipped aluminum electrolytic tank | |
| CN105960482B (en) | Equipment for storing load object above electrolytic cell | |
| RU2532792C1 (en) | Protection of aluminium electrolysis unit with upper current lead | |
| SU1709916A3 (en) | Device for loading aluminium oxide into electrolyzer having sederberg anode | |
| GB2572565A (en) | Reinforced potshell design of an electrolytic cell suitable for the Hall-Héroult process | |
| GB2572564A (en) | Potshell for electrolytic cell to be used with the Hall-Heroult process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |