CN105940146A - Electrolysis tank comprising anodic assembly hoisting device - Google Patents
Electrolysis tank comprising anodic assembly hoisting device Download PDFInfo
- Publication number
- CN105940146A CN105940146A CN201580006072.XA CN201580006072A CN105940146A CN 105940146 A CN105940146 A CN 105940146A CN 201580006072 A CN201580006072 A CN 201580006072A CN 105940146 A CN105940146 A CN 105940146A
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- Prior art keywords
- anode
- electrolyzer
- lifting device
- receptor
- pot shell
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- 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
- C25C3/08—Cell construction, e.g. bottoms, walls, cathodes
- C25C3/12—Anodes
- C25C3/125—Anodes based on carbon
-
- 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
- C25C3/16—Electric current supply devices, e.g. bus bars
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- 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)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to an electrolysis tank comprising a casing (1) with a base (10) and transverse and longitudinal side walls (11, 12), the casing (1) and a plurality of anodic assemblies (3) each comprising an anodic structure (32) and at least one anode (31), the tank comprising a plurality of hoisting devices (6) extending along the longitudinal side walls of the casing (1) for moving the anodic assemblies (3), the hoisting devices comprising a jack (61) composed of a body (611) and an actuator strut (612) extending along a longitudinal axis (B-B'), and an anodic receiver (62) for receiving an end of the anodic structure (32), the jack (61) being coupled to the anodic receiver (62) in order to impose thereon a translation movement along a translation axis (T-T'). The invention is characterized in that the longitudinal axis (B-B') of the jack (61) is parallel to and different from the translation axis (T-T') of the anodic receiver (62).
Description
Technical field
The present invention relates to by the bathing pool (hereinafter referred to as " cryolite bathing pool ") comprising cryolite
Electrolyzer in electrolysis produce aluminum general technology field.
Relate more specifically to include that the electrolyzer of multiple lifting device, this lifting device are used for promoting bag
The anode assemblies being contained in electrolyzer, each anode assemblies has at least one previously baked type
Carbon annode.
Background technology
Electrolysis by being dissolved in the Alumina in cryolite bathing pool produces aluminum mostly.
At present, in such a electrolyzer, perform the production of aluminum at industrial scale, this electrolyzer
It is made up of the steel tank shell of opened upper end, and the bottom of this electrolyzer is covered by refractory material, a moon
Pole extends on this refractory material, the cryolite bath of multiple immersions installed above 930 DEG C to 980 DEG C
The anode assemblies in pond.
Each anode assemblies includes an anode construction, and this anode construction is by an anode rod and consolidates
Determine device composition, this anode construction is connected with at least one anode, specifically one previously baked
Carbon block.
Between anode assemblies and negative electrode, apply electric current be used for starting cell reaction.
Electrolyzer common operation temperature is between 930 DEG C and 980 DEG C, and the aluminum of production is liquid.
On the negative electrode sealed, it is because of gravity sedimentation.Generally, the aluminum of production or the part aluminum of production are cast
Bag is drawn and is sent to cast smelting furnace.
Carbon annode is gradually used up during cell reaction.Once it is finished one of anode assemblies, its
Will be replaced by a new anode assemblies.
Electric current distribution the most equal between anode assemblies produces yield for the aluminum obtained
It is a need for.Here it is must accurately control the position of anode surface, the position of this anode surface why
Put and limited by the lower side of the anode in anode assemblies.
But, must constantly adjust towards the position of the anode surface of the cathode layer of liquid aluminium to consider
The change of parameter, such as:
The height of-aluminium lamination, then this highly stable increase drastically declines when metal flows out,
The progressive wear of-anode surface.
Positioning anode face is generally realized by a ground jack and connecting rod component system, and this system is moved
Dynamic anode superstructure and the multiple anode assemblies being fixed and attached to this anode superstructure.
This movement is positioned at the ground jack of the anode superstructure above electrolyzer and connecting rod system has
The shortcoming producing large volume above electrolyzer.Arrange that height and the cost of the building of electrolyzer depend on
Depending on the height of electrolyzer, therefore the program is unsatisfactory.
It addition, the movement being connected to the anode superstructure of multiple anode assemblies does not allow the position of anode assemblies
Putting critically, adjust individually, this adjustment makes it possible to antagonism:
The overspeed of-the electrolyzer relevant with anode effect, this by record anode voltage and
Directly revise them as long as only promoting the following anode assemblies starting anode effect thus just occur
Detect that these anode effects realize,
-between anode assemblies unequal CURRENT DISTRIBUTION,
The local heterogeneity feature of-temperature or bathing pool component,
-the shape at metal-bathing pool interface that causes due to the change of map of current in bathing pool and metal
Change.
From patent document US3575827, it is known that one comprises the ground jack that formed by main body and bar
Lifting device, the longitudinal side wall against the pot shell of electrolyzer arranges ground jack main body, and the freedom of bar
End is as the supporting construction for anode assemblies.The shortcoming of this equipment is the longitudinal side wall of pot shell,
Specifically at liquid level, the hottest and have radiation to such an extent as to the operation of ground jack and its life-span can be moved back
Change.Additionally, the position of the ground jack at the longitudinal side wall of pot shell hinders heat exchange, this heat is handed over
Change the size that must be adjusted to control in electrolyzer the slope formed, such as, by from patent
Publication WO99/54526 is known blows.Further, since the height of anode block abrasion exists
In existing electrolyzer very big, ground jack stroke must the big to such an extent as to overall size of ground jack, especially
It is longitudinal size, is problematic when being resisted against wall location, especially because by many
The confined space between the electrolyzer of the electric conductor of Faradaic current.Lifting device is also not involved in supply electricity
Solution electric current is to anode assemblies to such an extent as to when anode assemblies is changed, in order to reconnect new anode assemblies
Power supply conductor must additionally be processed.
The purpose of the present invention is to propose to an electrolyzer including lifting system, the structure of this lifting system
Type makes it possible to overcome at least in part disadvantages mentioned above.
Summary of the invention
To this end, invention propose one for the electrolyzer producing aluminum, this electrolyzer includes having base
The end and horizontal, the pot shell of longitudinal side wall, pot shell is coated with a lining to accept a cryolite
Bathing pool, and multiple anode assemblies each include an anode construction and at least one immerse cryolite
Anode in bathing pool, electrolyzer also includes the lifting device that multiple longitudinal side wall along pot shell extends
For moving anode assemblies, lifting device includes the ground jack that is made up of main body and along longitudinal axis B-B'
The ground jack bar extended, and an anode receptor being designed to accept anode construction one end, rise
Treasure is connected to anode receptor and at retracted position and launches position to drive it along translation shaft T-T'
Between putting, translation is mobile, it is characterised in that the longitudinal axis B-B' of ground jack and the translation of anode receptor
Axle T-T' is parallel and separates.
In cell edge and more specifically along its longitudinal side wall location lifting device, make
The vertical stroke obtaining anode assemblies does not has obstacle.This allows for the anode assemblies top quilt from electrolyzer
Replace do exercises complicated without anode assemblies experience.Lifting device does not prolongs above anode
Stretch, the most not above rock quartz bathing pool and the most not above pot shell.Term " on
Side " should be understood that above relevant assembly, and by projecting this group in a horizontal plane
The surface that part obtains carries out vertically moving in the volume of formation.So, lifting device will not hinder sun
Vertically moving of pole assembly.
Lifting device is used for being vertically movable anode assemblies in electrolyzer, so that grasping at electrolyzer
Regulate the position of anode surface during work and form the integral part of electrolyzer.
Anode assemblies is previously baked type, it is possible to the cycle after their anode abrasion of composition
Property ground change.Anode construction makes mechanically support the anode of previously baked carbon lump and guarantee every
The electrical connection of anode assemblies when secondary anode assemblies is changed.In the context of the present invention, " parallel also
And the axle separated " it is understood to two parallel misaligned axles, i.e. it is spaced the distance of a non-zero.
The longitudinal axis B-B' of ground jack is parallel with translation shaft T-T' and separates so that ground jack relatively
Biased anode receptor is possibly realized.This makes lifting device first have a minimum constructive height (i.e.,
The equipment size of the longitudinal axis along ground jack), secondly can be preferably and more easily two phases
It is set, to be positioned at the edge of electrolyzer in available little space between adjacent electrolyzer.Pass through
This layout improved that ground jack biased anode receptor realizes relatively limits the height of electrolyzer
Spend and/or reduce the space between two adjacent cell.
In order to make another receptor be biased relative to ground jack, lifting device can include that one is risen
Lateral connection beam between treasure bar and anode receptor, described tie-beam is preferably along laterally
Axle extends, and this transverse axis is in the longitudinal axis B-B' and translation shaft T-T' of ground jack.
The assembly being made up of ground jack bar, tie-beam and anode receptor can form U-type structure
So that ground jack main body extends towards anode receptor." towards " it is understood to that at least one is vertical
Ground jack main body and anode receptor is passed through in the face of the longitudinal axis of ground jack.This makes to limit and promotes
The height of device is possibly realized.
Advantageously, tie-beam and ground jack bar are interdependently mounted and tie-beam receives with anode
Device is interdependently mounted.This makes to be possibly realized to anode receptor transmitting movement from bar.
In one embodiment, anode receptor can include that one extends along translation shaft T-T'
Rod.Advantageously, this rod includes a base in its one end, and described base is designed to accept sun
One end of electrode structure.This rod allows anode construction to be mechanically held in above rock quartz bathing pool.
This rod allows also to the conduction of electric current to provide energy to anode assemblies.To this end, a part for rod is electric
It is connected to flexible electrical conduction device.Specifically anode assemblies is powered by base, the most logical
Cross the contact surface of anode construction and base.One fixed system can be provided that with by anode construction even
Receive base.This is to prevent anode construction from moving to the end during the translation of anode construction is moved
Outside Zuo.Fixed system can include for making anode construction be close to base to guarantee base and anode
The device of interstructural conduction electric current.
Rod can be that rectangle or square-section are to improve its mechanical strength.This rod can also include one
Individual steel skeleton and be placed in skeleton or copper part around is so that electric energy is sent to anode assemblies.
As it has been described above, lifting device can include for along translation shaft T-T' direct anode receptor
The anode receptor guide of movement.In some embodiments, guide is at least in part
Around anode receptor and limit for anode receptor slide path of navigation.Such as, dress is guided
Put and can include two rings spaced apart by non-zero distance along translation shaft T-T', each ring cincture
A part for anode receptor.Preferably, each ring can have one when in retracted position and expansion
For the seam making tie-beam pass through during mobile anode receptor between position.This can maximize interannular
Distance is to avoid the angular gap that rod is possible in guide.Which ensure that hanging down of anode receptor
Directly translate movement.
Lifting device be connected to electrolyzer so that the translation shaft T-T'(of each anode receptor and because of
The longitudinal axis of this ground jack) it is vertical.
Owing to present electrolyzer has large scale so each electrolyzer has multiple anode assemblies.
Each anode construction translationally extends in electrolyzer and the longitudinal side wall relative with along pot shell sets
Corresponding a pair lifting device put is associated.Electrolyzer preferably includes and is connected to lifting device
Controller is to control being synchronized with the movement of every pair of lifting device.Which ensure that for each anode assemblies
Vertical translation moves.
In some embodiments, electrolyzer can include a constraint room born on pot shell,
This constraint room includes the horizontal sidewall with longitudinal direction and is designed to limit for rock quartz bathing pool
The confined volume of side's gas.Each lifting device can be advantageously fixed to retrain longitudinal side of room
One of wall.Specifically, each lifting device may be connected to the constraint room relative with pot shell
Top edge is so that the ground jack main body of each lifting device is located higher than rock quartz bathing pool height
Highly place.Which has limited ground jack main body and be exposed to main rock quartz bathing pool transmitting faced by pot shell
Heat radiation, the operation temperature of this rock quartz bathing pool at about 1000 DEG C, expose main body arrive this
The operation of ground jack can be harmful to by temperature.By placing ground jack main body above rock quartz, it
Reliability and ruggedness are enhanced.
Preferably, each lifting device is fixed to retrain the top sides of room by ground jack free end
Edge so that described free end compared with treasure bar further from bottom pot shell.
Preferably, the sidewall of constraint room is biased outwardly so that described constraint room relative to the sidewall of pot shell
Sidewall pass through at the extension around and above of pot shell sidewall, the sidewall of the sidewall of pot shell and constraint room
Annular jib (replat annulaire) is mechanically connected, and the anode receptor of lifting device prolongs
Extend through the opening being arranged on jib.This makes by being received by the anode that is reduced in size to of opening
The size of device is improved the sealing of electrolyzer and is possibly realized.
Translation shaft T-T' is preferably vertical, and anode receptor can be by arranging in vertical translation
Opening on jib.In some embodiments, anode receptor is by providing dynamic seal (packing)
Ring type seal is through constraint room.This sealing making to further increase electrolyzer.
In order to be used in the useful volume maximization producing aluminum in electrolyzer and limit lifting
The damage risk of device, the ground jack of lifting device extends to the outside of electrolyzer.
Electrolyzer can also include a gas collector, and this gas collector has at least one
Individual gas entrapment set, this gas entrapment is cased with the air entry of intake-gas, and each lifting device is consolidated
Surely this capture set is arrived.Each capture set of gas collector can be along the longitudinal side wall of constraint room
Top edge extend, each lifting device is fixed to described capture by the free end of ground jack
Set so that described free end compared with treasure bar further from the substrate of pot shell.
Therefore a capture set is formed, and this capture set, in addition to guiding the basic function of gas, has
It is also used as body:
-one strapping tape, for the assembly being made up of pot shell and constraint room, and
-one connects support, for the different assemblies of electrolyzer, such as lifting device.
Give the capture many functions of set make to limit cell dimensions and be more easily manufactured that it becomes can
Energy.
Accompanying drawing explanation
Other advantages of the lifting device of the present invention and feature will be from below for numerous embodiments
Description in present, these embodiments are given with non-limiting example, in the accompanying drawings:
-Fig. 1 and Fig. 2 is the vertical and horizontal sectional view of an electrolyzer embodiment,
-Fig. 3 and Fig. 4 is the perspective view of electrolyzer lifting device.
Detailed description of the invention
Now description is included the embodiment of the electrolyzer of lifting device for moving anode superstructure.?
In these different figures, identical element has identical reference number.
Word " sidewall ", " substrate " and " open top " is used in the text with reference to cuboid.
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/wall,
-" longitudinal surface/wall " means the vertical/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/wall that the face that is transversely to the machine direction/wall extends.
It addition, we will use term " top " and " lower section " relative to vertical axis.
Fig. 1 shows an embodiment of the electrolyzer according to the present invention.Electrolyzer be rectangle also
Including a pot shell 1, constraint room 2, multiple anode assemblies 3, negative electrode 4, gas collector 5
With lifting device 6.
This electrolyzer is for the production of aluminum.This electrolyzer and other the most identical electrolyzers multiple
Being associated, multiple electrolyzers are arranged in succession, and two continuous print electrolyzers are as shown in Figure 2
At individual longitudinal side wall adjacent, two continuous print electrolyzer C1, C2 are shown in this Fig. 2.
Pot shell 1 is typically the shape of cuboid.This pot shell has substrate 10, a lateral sidewalls
11 and longitudinal side wall 12.Substrate 10 and four sidewalls 11,12 be coated with refractory material 13 with
Isolation pot shell 1.This pot shell 1 can be metal, such as, be made up of steel.
Pot shell 1 opens wide at its top.This pot shell is designed to accept cryolite bathing pool 14, at this
Cryolite bathing pool 14 Anodic assembly 3 is dipped into.
Constraint room 2 defines a closed volume above cryolite bathing pool 14, in this constraint
Room Anodic assembly 3 is moved.
Constraint room 2 is placed on the top of pot shell 1.This constraint room includes two lateral sidewalls 21
With two longitudinal side walls 22 being fixed to pot shell 1.
The sidewall 11,12 of the relative pot shell 1 of sidewall 21,22 of constraint room 2 is outwardly biased so that about
The sidewall 21,22 of bundle room 2 extends around and above at the sidewall 11,12 of pot shell 1.With this
Mode, the face that the sidewall 21,22 of constraint room 2 extends is around the sidewall 11,12 of pot shell 1.
The top of pot shell 1 and/or the bottom margin of constraint room 2 can form a jib machine
Tool ground connects pot shell 1 and the sidewall 11,12,21,22 of constraint room 2 so that constraint room 2 with
Pot shell 1 limits the free volume above cryolite bathing pool 14.
Constraint room also includes that a removable hood device 23 is to cover by four sidewalls of constraint room 2
21,22 open top limited.Lid arrangement 23 can by substantially in a face extend plate or
The combination of cover is constituted, it is possible in the top edge 24 of the sidewall 21,22 being supported on constraint room 2.
Each anode assemblies 3 includes at least one anode 31 and anode construction 32.In cell reaction
Period, the anode 31 being immersed in rock quartz bathing pool 14 is consumed.Anode assemblies 3 needs to be determined
Phase ground is replaced.
Anode 31 is previously baked type, one piece of carbon containing previously baked before being i.e. inserted into electrolyzer
Material.
First anode construction 32 can support and manipulate anode 31, secondly can be to its supply of electrical energy.
Each anode construction 32 forms the independence for its relevant anode 31 and supports.
As depicted in figs. 1 and 2, anode assemblies 3 extends transversely with in electrolyzer, and electrolyzer
The multiple anode assemblies being arranged side by side including the longitudinal axis along electrolyzer, along electrolyzer.
In each anode construction 32 electrolyzer between the vertical side of the edge 22 of constraint room 2 laterally
Extend.In the embodiment shown in Fig. 1 and Fig. 2, each anode construction includes a beam, should
Beam horizontal expansion between the vertical side of the edge 22 of constraint room 2.
Anode construction 32 can include framework 332 and sections 331, and this framework 332 is by having
Mechanical strength metal (such as, steel) formed, this sections 331 is by the electric conductivity having had
Metal (such as, copper) is formed.Framework 332 allows anode construction 32 to maintain anode 31 to suspend in midair,
And sections 331 is employed to ensure that the flowing of electric current is with to anode 31 supplying energy.
Negative electrode 4 is made up of (or multiple) carbonaceous material block.Cathode block is electrically connected to negative electrode and leads
Body makes electrolyzer, by route, electric current be delivered to next electrolyzer.Negative electrode 4 can be the art
Any type known to the skilled person and being no longer more fully described.
Gas collector 5 is retracted in the dusty gas produced during cell reaction.
Gas collector 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).It is in constraint room 2
Longitudinal side wall 22 extend above, and optionally constraint room 2 lateral sidewalls 21 extend above.
Existence along the air entry of longitudinal wall 23 of constraint room 2 makes to improve gas pollutant collection and sets
The efficiency of standby 5 is possibly realized.
Advantageously, each capture set can be square or square-section, and strong by having high machinery
Material (such as, the steel) composition of degree.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 also used as tying up the band of the assembly being made up of pot shell 1 and constraint room 2 and being used as electrolysis body
The connection of many assemblies (such as, lifting device or drilling equipment) in pond supports.Compose to capture set
Giving many functions makes the size limiting electrolyzer be possibly realized with saving structure.
Lifting device 6 allows the anode construction 32 of suspention anode 31 to be operated.Specifically, promote
Device 6 moves anode assemblies 3 with being used for vertical translation so that adjusting sun during cell operation
The position of pole-face.
Each anode construction 32 associates with two lifting devices being each located on its one end.By this
The mode of kind, the movement of each anode construction 32 is tied independent of other anodes being included in electrolyzer
Structure 32 and the movement of anode assemblies.Therefore anode assemblies 3 can be vertically movable independently of one another.
Each lifting device 6 contacts with the respective end of anode construction 32.Associate with anode construction 32
Two lifting devices 6 be connected to controller (not shown) with their operation of Synchronization Control.
Move while which ensure that the end of anode construction 32, to keep it when anode construction moves
Basic horizontal.Controller can also be programmed to control translational speed and the direction of anode construction 32.
This makes the translational speed changing anode construction 32 according to ongoing action type be possibly realized.
Such as, in the case of the anode assemblies new with replaces an anode assemblies that run out of 3,
The translational speed of anode construction 32 can be than anode construction 32 when adjusting anode surface during being electrolysed
Translational speed big, such adjustment requires fine setting.
Each lifting device 6 includes a ground jack 61 and an anode receptor 62.
Ground jack 61 is for translationally vertically moving anode receptor 62 along translation shaft T-T'.Rise
Treasure 61 includes main body 611 and the bar 612 extended along longitudinal axis B-B'.Advantageously, lifting
Device 61 can be pneumatic or electronic to bear the high temperature generally existed near electrolyzer.
Anode receptor 62 includes a square extended along the longitudinal axis overlapped with translation shaft T-T'
Tee section rod 621.The end that the top of rod 621 includes being designed to accepting anode construction 32
Base 622, its shape is complementary with the latter.
Specifically, base 622 can be U-type structure, and this structure is erected by substrate 6221, two
Facing plate 6222 directly to form, this substrate 6221 extends in the face being perpendicular to translation shaft T-T', and this erects
Facing plate directly to be perpendicular to substrate 6221 and extend, the end of this anode construction 32 is suitable to bear at vertical plane
In substrate 6221 between plate 6222.
Lifting device can also include a fixed system.This fixed system is used for tying anode
Structure 32 is connected to base 622.Such as, fixed system includes that one is intended to be inserted in vertical panel
The most threaded bar in the transverse holes of 6222, this hole is arranged in vertical panel 6222
So that bar transversely extends with it above anode construction when bar is installed in base 622.
Fixed system can include for making anode construction 32 be close to the device on surface of base 622,
Preferably it is close to the substrate 6221 of base 622.Such as, fixed system can include a bolt
With a female thread, this bolt is designed to advances through hole, and this female thread is in the substrate of base 622
6221 and anode construction 32 in be correspondingly set.The bolt head being resisted against anode construction 32 is true
Protect its substrate 6221 being close to base 622.
When anode construction 32 vertically moves to the substrate 10 of pot shell 1, fixed system hinders sun
Electrode structure 32 exposes from base 622.Caused at rock quartz bathing pool 14 by electrolytic production of aluminum
Solidified shell is formed on surface.Anode 31 is frozen in this solidified shell.
Anode construction 32 is made to vertically move to the substrate 10 of pot shell 1 in order to reduce anode 31
Period, solidified shell it is applied to the stress on anode 31, specifically frictional force, can be with proportion
Power is big, causes anode construction to depart from the risk of base.
The existence of fixed system can limit this risk, especially at anode 31 to pot shell 1
Bottom 10 trends towards keeping it in by applying pulling force on anode construction 32 during vertically moving
The inner side of base 622.
Advantageously, from Fig. 2 and Fig. 4 it can be seen that a part 6211 for rod (such as, is more leaned on
The end of the bottom of nearly pot shell 12 or the top of base 622) it is electrically connected to flexible electrical conduction dress
Put 7 to provide energy through base 622 to anode assemblies 3.
Advantageously, anode receptor 62 is configured to the longitudinal direction of translation shaft T-T' and ground jack 61
Axle B-B' separates (that is, differing) with parallel.
This makes relative ground jack 61 biased anode receptor 62 so that limiting the height of lifting device 6
Degree.This makes lifting device 6 first have a minimum constructive height (that is, along the longitudinal axis of ground jack
Equipment size), secondly can be preferably and more easily between two adjacent electrolyzers
It is set in available little space, to be positioned at the edge of electrolyzer.
This lifting device 6 then can be positioned in the edge of electrolyzer.
It provide and replace anode assemblies 3 by electrolyzer top and lifting device 6 does not hinder anode
The probability of the vertical movement of the replacement of assembly 3, it means that it is expected to save the biggest structure.
Make at location, constraint outside ground jack it addition, opposite anode receptor 62 biases ground jack 61
61 and anode receptor 62 constraint indoor be possibly realized.By limit its be exposed to gas and
Heat radiation reduces the risk that ground jack 61 damages.Ground jack can be mounted pot shell
To reduce the volume of constraint indoor lifting device in free space between the reinforcing bracket of 1.
Different solutions can be considered so that translation shaft T-T' and longitudinal axis B-B' differ and
Parallel.
Such as, ground jack 61 can be connected to anode receptor 62 by lateral connection beam 63.
This lateral connection beam 63 is preferably perpendicular to bar 612 and rod 621 extends.Tie-beam 63 and rod
621 and the bar 612 of ground jack 61 be interdependently mounted.One is set bar 612
The bolt system tying lateral connection beam 63 compensate between ground jack 61 and anode receptor 62
The defect of any balance.
Guide 64 ensure that anode receptor 62 vertically moving along translation shaft T-T'.Draw
Lead device can include two rings 641 separated by the distance of a non-zero along translation shaft T-T',
642, each loop section ground around rod 621 with allow its:
-one that retract or low position, at this position base 622 near rock quartz bathing pool 14
Surface, and
-one that launch or high position, at this position base 622 away from rock quartz bathing pool 14
Surface
Between vertical sliding motion.
In the embodiment shown in Fig. 4, each ring 641,642 has breach to allow rod 621
Passing through of the period transverse beam 62 slided between position that is that retract and that launch.
Ground jack 61 is connected to pot shell with " head upwards (t ê te en haut) ".More specifically,
The main body 611 of ground jack 61 is installed on pot shell 1 so that its free end 613 is than bar 612
Substrate 10 further from pot shell 1.The free end 613 of the main body 611 of ground jack 61 preferably by
It is fixed to retrain the top edge of room and advantageously on the capture set of gas collector 5.By this
Mode, the longitudinal side wall 22 of the main body 611 relative restraint room 2 of ground jack 61 extends, at one
Height higher than rock quartz bathing pool.Which limits and be exposed to too high temperature by its main body 611
And make the risk that ground jack damages.Due to neighbouring rock quartz bathing pool 14, the sidewall 11 of pot shell 1,
The temperature of 12 is generally high than the temperature of the sidewall 21,22 of constraint room 2, this rock quartz bathing pool 14
Operation temperature be about 1000 DEG C.
The operating principle of lifting device is as follows.Assuming that anode 31 is dipped into rock quartz bathing pool.
In order to vertically move anode assemblies 3, controller controls the synchronization of two lifting devices 6 and drives,
The anode construction 32 of anode assemblies 3 is positioned on this lifting device.
Each ground jack 61 applies power on its bar 612 and tends to:
-one open position, in the main extension outside main body 611 of this position bar 612, and
-one compacted location, main in the main body 611 of ground jack 61 at this position bar 612
Extend,
Between mobile it.
The lateral connection beam 63 that is moved through opening between compacted location bar is sent to anode and connects
Receive device 62.
The anode receptor 62 of each ground jack slides in guide 64 and moves from retracted position
Move expanded position.
Therefore, anode assemblies makes to move independently of one another anode with the combination of respective lifting device
Assembly 3.It addition, ground jack biased anode receptor allows lifting device to be positioned at electrolyzer relatively
Edge and above electrolyzer, do not hinder the movement of anode assemblies, and they can be easily inserted in electricity
The edge of Xie Chi and without due to compactness increase to by bottom electrolyzer and between electric conductor
Loop limits.
Reader will appreciate that be in the case of without departing from fresh information disclosed herein can on
State lifting device and make many amendments.
And, the shape (such as, the shape of rod or shell etc.) of many assemblies of lifting device is permissible
Change.
Additionally, in the embodiment shown in Fig. 1 to Fig. 4, ground jack 61, anode receptor
62 and anode construction 32 be alignment, i.e. they substantially in identical plane extend.Alternatively,
Ground jack 61 can be relative to comprising anode receptor 62 and the plane bias of anode construction 32.
Claims (23)
1. for producing the electrolyzer of aluminum, this electrolyzer include having substrate (10) and horizontal,
The pot shell (1) of longitudinal side wall (11,12), this pot shell (1) is coated with a lining (13)
To accept a cryolite bathing pool (14), and multiple anode assemblies (3) each includes a sun
Anode (31) in electrode structure (32) and at least one immersion cryolite bathing pool, this electrolyzer is also
The lifting device (6) extended including multiple longitudinal side walls along pot shell (1) is used for moving anode
Assembly (3), lifting device includes having extended by main body (611) with along the longitudinal axis (B-B')
The ground jack (61) that treasure bar (612) is constituted, and one be designed to accept anode construction (32)
The anode receptor (62) of one end, ground jack (61) be connected to anode receptor (62) with
Driving it along translation shaft (T-T') and translate mobile between retracted position and expanded position, it is special
Levy the translation shaft (T-T') of longitudinal axis (B-B') and the anode receptor (62) being ground jack (61)
Parallel and separate.
Electrolyzer the most according to claim 1, wherein lifting device also includes that one is being risen
Lateral connection beam (63) between bar (612) and the anode receptor (62) of treasure (61),
Described tie-beam (63) is preferably along the longitudinal axis (B-B') being perpendicular to ground jack (61)
Lateral shaft extends.
Electrolyzer the most according to claim 2, wherein by the bar (612) of ground jack, company
Connect beam (63) and assembly that anode receptor (62) is constituted forms U-type structure.
4. according to the electrolyzer according to any one of Claims 2 or 3, wherein tie-beam (63)
Interdependently it is mounted with the bar (612) of ground jack (61), and tie-beam (63) is with positive
Pole receptor (62) is interdependently mounted.
5. according to electrolyzer in any one of the preceding claims wherein, its Anodic receptor (62)
Including a rod (621) extended along translation shaft (T-T').
Electrolyzer the most according to claim 5, its Anodic receptor is at rod (621)
One end includes a base (622), and described base (622) is designed to accept anode construction (32)
End.
Electrolyzer the most according to claim 6, also includes one for by anode construction (32)
It is attached to the fixed system of base (622).
Electrolyzer the most according to claim 7, wherein fixed system includes making anode construction
(32) device of base (622) it is close to.
9. according to the electrolyzer according to any one of claim 5 to 7, wherein rod (621)
A part is electrically connected to flexible electrical conduction device so that energy is provided to each anode assemblies (3).
10. according to the electrolyzer according to any one of claim 5 to 8, wherein rod (621)
It it is rectangular or square when cross section.
11. according to electrolyzer in any one of the preceding claims wherein, also includes for along flat
Move anode receptor (62) guide of axle (T-T') direct anode receptor (62) movement
(64)。
12. electrolyzers according to claim 11, wherein guide (64) at least portion
Ground is divided around anode receptor (62) and to limit the sliding guidance path for anode receptor.
13. according to electrolyzer in any one of the preceding claims wherein, and wherein lifting device is connected
Receive electrolyzer so that the translation shaft (T-T') of each anode receptor (62) is vertical.
14. according to electrolyzer in any one of the preceding claims wherein, the most each anode construction
(32) extend transversely with in electrolyzer and set with the relative longitudinal side wall along pot shell (1)
The corresponding a pair lifting device contact put, each lifting device carries the one of anode construction (32)
Individual end.
15. electrolyzers according to claim 14, also include that is connected to a lifting device
Controller with control every pair of lifting device synchronizing moving.
16. according to electrolyzer in any one of the preceding claims wherein, and this electrolyzer also includes one
The individual constraint room (2) born on pot shell (1), this constraint room (2) includes horizontal sidewall
(21) and longitudinal sidewall (22), this constraint room (2) is designed to limit for retraining water
The confined volume of spar bathing pool (14) overhead gas, each lifting device (6) is fixed to about
In the longitudinal side wall of bundle room (2) one.
17. electrolyzers according to claim 16, wherein retrain room (2) sidewall (21,
22) sidewall (11,12) of relative pot shell (1) is outwardly biased so that retraining the described of room (2)
Sidewall (21,22) is at the extension around and above of the sidewall (11,12) of pot shell (1), groove
The sidewall (11,12,21,22) of shell (1) and constraint room (2) is mechanical by annular jib
Ground connects, and the anode receptor (62) of lifting device extends through the hole in jib.
18. electrolyzers according to claim 17, wherein translation shaft T-T' is vertical,
Anode receptor (62) can be mobile through the opening vertical translation ground in jib.
19. according to the electrolyzer according to any one of claim 17 or 18, and its Anodic receives
Device (62) passes constraint room (2) by annular dynamic sealing member.
20. according to the electrolyzer according to any one of claim 16 to 19, the most each lifting
Device is fixed to the top edge of the constraint room (2) relative with pot shell (1) so that each lifting
The ground jack main body of device is positioned at the height higher than rock quartz bathing pool height.
21. electrolyzers according to claim 20, the most each lifting device (6) passes through
The free end (613) of ground jack (61) is fixed to retrain the top edge of room (2) so that institute
State the free end (613) bar (612) compared with treasure (61) further from the substrate of pot shell (1)
(10)。
22. exist according to electrolyzer in any one of the preceding claims wherein, the most each ground jack
Extend outside electrolyzer.
23. according to electrolyzer in any one of the preceding claims wherein, and this electrolyzer also includes one
Individual have at least one gas entrapment set gas collector (5), this gas entrapment set along
The top edge of the longitudinal side wall (22) of constraint room (2) extends, and has for air-breathing
Suction socket, each lifting device (6) is fixed on described capture set above.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1400172A FR3016895B1 (en) | 2014-01-27 | 2014-01-27 | DEVICE FOR LIFTING ANODIC ASSEMBLIES OF AN ELECTROLYSIS TANK. |
| FR1400172 | 2014-01-27 | ||
| PCT/IB2015/000068 WO2015110901A1 (en) | 2014-01-27 | 2015-01-23 | Electrolysis tank comprising an anodic assembly hoisting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105940146A true CN105940146A (en) | 2016-09-14 |
| CN105940146B CN105940146B (en) | 2018-08-07 |
Family
ID=50473516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580006072.XA Active CN105940146B (en) | 2014-01-27 | 2015-01-23 | Include the electrolytic cell of anode assemblies lifting device |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP3099840B1 (en) |
| CN (1) | CN105940146B (en) |
| AU (1) | AU2015208855B2 (en) |
| BR (1) | BR112016015625B1 (en) |
| CA (1) | CA2935439C (en) |
| DK (1) | DK179216B1 (en) |
| FR (1) | FR3016895B1 (en) |
| RU (1) | RU2684025C2 (en) |
| WO (1) | WO2015110901A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113557324A (en) * | 2019-03-14 | 2021-10-26 | 力拓艾尔坎国际有限公司 | Intervention tool for the operation of an electrolytic cell |
| CN114222832A (en) * | 2019-08-28 | 2022-03-22 | 艾莱西丝有限合伙企业 | Apparatus and method for operating an electrolytic cell |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA036662B1 (en) * | 2016-03-25 | 2020-12-04 | АЛКОА ЮЭсЭй КОРП. | Electrode configurations for electrolytic cells and related methods |
| WO2018178509A1 (en) * | 2017-03-29 | 2018-10-04 | Kumera Oy | Adjustment device mechanism for anodes of an aluminium smelter and method for adjusting anodes of an aluminium smelter |
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- 2015-01-23 RU RU2016134821A patent/RU2684025C2/en active
- 2015-01-23 CN CN201580006072.XA patent/CN105940146B/en active Active
- 2015-01-23 EP EP15739950.2A patent/EP3099840B1/en active Active
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| CN114222832A (en) * | 2019-08-28 | 2022-03-22 | 艾莱西丝有限合伙企业 | Apparatus and method for operating an electrolytic cell |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2016134821A (en) | 2018-03-02 |
| RU2684025C2 (en) | 2019-04-03 |
| WO2015110901A1 (en) | 2015-07-30 |
| CA2935439C (en) | 2022-03-29 |
| BR112016015625A2 (en) | 2017-08-08 |
| DK179216B1 (en) | 2018-02-12 |
| CA2935439A1 (en) | 2015-07-30 |
| EP3099840B1 (en) | 2019-07-24 |
| EP3099840A4 (en) | 2018-02-07 |
| CN105940146B (en) | 2018-08-07 |
| BR112016015625B1 (en) | 2022-02-01 |
| EP3099840A1 (en) | 2016-12-07 |
| FR3016895B1 (en) | 2017-09-08 |
| AU2015208855B2 (en) | 2018-08-23 |
| AU2015208855A1 (en) | 2016-07-28 |
| RU2016134821A3 (en) | 2018-10-04 |
| FR3016895A1 (en) | 2015-07-31 |
| DK201670537A1 (en) | 2016-08-22 |
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