CN209010617U - A kind of electrolgtic aluminium Novel anode carbon block - Google Patents

Abstract

The utility model discloses a kind of electrolgtic aluminium Novel anode carbon blocks, including charcoal block body and carbon bowl, carbon bowl is cone type, carbon bowl is evenly arranged at the top of charcoal block body, and the carbon bowl outer diameter for being located at charcoal block body both ends is greater than the carbon bowl outer diameter being located among charcoal block body, 4~8 vertical reinforcement tanks are machined in short transverse on the inner wall of carbon bowl along carbon bowl, and 1~2 ring is machined with to reinforcement tank along the circumferencial direction of carbon bowl on the inner wall of carbon bowl, it is interconnected between vertical reinforcement tank and circumferential reinforcement tank, charcoal block body is rectangular parallelepiped structure, four edges and corners of carbon block bodies top use arc chord angle transition.Originally practical to be newly conducive to replace carbon block, the consumption of charcoal block body can not only be reduced from root, improve the utilization rate of carbon block, reduce the production cost of electrolytic aluminium, and under the premise of guaranteeing the uniformity of charcoal block body conduction, the stable conditions of electrolytic cell can be improved and minimize electricity damage.

Description

A kind of electrolgtic aluminium Novel anode carbon block

Technical field

The utility model belongs to aluminum electrolysis technical field, and in particular to a kind of electrolgtic aluminium Novel anode carbon block.

Background technique

Modern Aluminium Industry is all made of prebaked anode production electrolytic aluminium.Prebaked anode is generally cuboid, has and stablizes Geometry, using stone tar, pitch coke as aggregate, using coal tar pitch as binder, according to the size and technique of electrolytic cell currents Difference and have different sizes, current density is generally in 0.68~0.9A/cm²In range, each carbon block service life one As at 23~30 days.In existing technology, anode steel claw all uses phosphorus pig iron casting formula to connect with anode carbon block, in prebake It is 160~180mm that the upper surface of anode carbon block conducting direction, which is equipped with 2~4 diameters, and depth is the circular groove of 80~110mm, is commonly called as charcoal Bowl, in anode assembling, charcoal bowl is used to place anode steel claw, will be cast in charcoal bowl with the phosphorus pig iron, steel pawl head and aluminium conducting rod It is exploded by aluminum steel and welds connection, such conductive anode rod and anode carbon block are linked together, and form anode carbon block group, casting type prebake Anode carbon block group is modern prebaked cell unique anode material used at present, during Aluminum Electrolysis Production, carbon anode with Alumina eltrolysis decomposite come oxygen constantly react at high temperature, carbon dioxide gas and constantly consume, carbon block disappears Consume larger, the frequency of carbon block replacement is relatively high, since anode steel claw and carbon bowl are inserted directly into inside carbon bowl through phosphorus pig iron casting, Bonding strength between carbon bowl and anode steel claw is lower, and during use, anode steel claw is easy to fall off, and is frequently necessary to fall off Carbon bowl take out after again with anode steel claw carry out again assemble after use, such structure be easy week is formed to the production of aluminium electroloysis The influence of phase property, the energy being highly vulnerable to breakage in electrolytic cell and material balance influence current efficiency, increase consumption rate；Simultaneously in group During dress, the amount of heat on anode carbon block is also pulled away, and is not used, and the carbon block after re-assemblying is inserted into electricity Need to be reheated to carbon block when solving slot after certain temperature could beam conduction, cause heat waste, reduce electrolysis effect Rate.Therefore, develop a kind of improvement cost it is low, it is stable and reliable in work, carbon block consumption can be effectively reduced, electricity damages low electrolytic aluminium It is desirability with Novel anode carbon block.

Summary of the invention

That the purpose of this utility model is to provide a kind of improvement costs is low, stable and reliable in work, carbon block can be effectively reduced disappears Consumption, electricity damage low electrolgtic aluminium Novel anode carbon block.

The purpose of this utility model is achieved in that, including charcoal block body and carbon bowl, carbon bowl is cone type, and carbon bowl exists It is evenly arranged at the top of charcoal block body, and the carbon bowl outer diameter for being located at charcoal block body both ends is greater than the carbon bowl being located among charcoal block body Outer diameter is machined with 4~8 vertical reinforcement tanks in the short transverse on the inner wall of carbon bowl along carbon bowl, and in the inner wall of carbon bowl On along the circumferencial direction of carbon bowl be machined with 1~2 ring to reinforcement tank, mutually interconnected between vertical reinforcement tank and circumferential reinforcement tank Logical, charcoal block body is rectangular parallelepiped structure, and four edges and corners of carbon block bodies top use arc chord angle transition.

Further, the charcoal block body includes muti-piece movable block, is removably to connect between adjacent two pieces of movable blocks Structure, and the top of every piece of movable block is correspondingly arranged a carbon bowl respectively.

Preferably, it is provided on the binding face of adjacent two pieces of movable blocks through movable block top and bottom and structure phase A same slot and a convex block, convex block is plugged in slot, and the cross sectional shape of slot and convex block is dove-tail form.

Preferably, the air-permeable pin-holes being machined on every piece of movable block at the top and bottom of movable block are breathed freely Absorption cell is provided at the top of pin hole.

Preferably, the bottom of every piece of movable block is provided with reserved card slot, and the cross sectional shape for reserving card slot is type Type structure.

Further, vertical reinforcement tank is inclined groove or snakelike groove.

Further, dismountable connection structure is used between carbon bowl and charcoal block body.

Further, the height of carbon bowl is 15~25cm.

The utility model is by being arranged vertical reinforcement tank and circumferential reinforcement tank in the inside of carbon bowl, when carrying out electrolytic aluminium, In the casting phosphorus pig iron after anode steel claw is extend into carbon bowl, since vertical reinforcement tank and circumferential reinforcement tank can increase anode steel It is put into contact area between pawl and carbon bowl, the bonding strength of anode steel claw Yu carbon bowl can be reinforced, thoroughly avoids anode steel The phenomenon that pawl falls off out of carbon bowl can guarantee the normal operation of aluminum electrolysis, and such connection structure is first is that improve life The efficiency of production ensure that the stability and high efficiency of production, and it is not in carbon block that the bring that avoids the problem that falling off because of carbon block is installed repeatedly The phenomenon that ontology falls off fundamentally reduces the heat loss on charcoal block body, has saved thermal energy, second is that improving anode steel The bonding strength of pawl and charcoal block body enables current density during electrolysis to be evenly distributed, avoids charcoal block body big It measures scaling-off, fundamentally reduces the consumption of charcoal block body, improve the utilization rate of carbon block, reduce the production cost of electrolytic aluminium, Meanwhile being designed by the structure to carbon bowl size arrangement and charcoal block body, it can further slow down the erosion of charcoal block body Speed keeps the corrosion rate in each orientation of charcoal block body close, under the premise of guaranteeing the uniformity of charcoal block body conduction, both The stable conditions of electrolytic cell can be improved, and electricity damage can be minimized, good economic benefit can be generated, it is easy to spread to make With.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the main view of charcoal block body piecemeal connection；

Fig. 3 is the top view of charcoal block body piecemeal connection；

In figure: 1- carbon bowl, the vertical reinforcement tank of 2-, 3- charcoal block body, 31- movable block, 4- circumferential direction reinforcement tank, the reserved card of 5- Slot, 6- air-permeable pin-holes, 7- absorption cell, 8- slot, 9- convex block.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings, but is not subject in any way to the utility model Limitation instructs made any changes and modifications based on the utility model, belongs to the protection scope of the utility model.

As shown in Figure 1, the utility model includes charcoal block body 3 and carbon bowl 1, carbon bowl 1 is cone type, and the carbon bowl 1 exists The top of charcoal block body 3 is evenly arranged, and 1 outer diameter of carbon bowl for being located at 3 both ends of charcoal block body is greater than among charcoal block body 3 1 outer diameter of carbon bowl is machined with 4~8 vertical reinforcement tanks 2 in the short transverse on the inner wall of carbon bowl 1 along carbon bowl 1, and in carbon 1~2 ring is machined with to reinforcement tank 4 along the circumferencial direction of carbon bowl 1 on the inner wall of bowl 1, and the vertical reinforcement tank 2 and circumferential direction add Gu being interconnected between slot 4, the charcoal block body 3 is rectangular parallelepiped structure, and four edges and corners at 3 top of charcoal block body use Arc chord angle transition.

In order to further improve the bonding strength between anode steel claw and carbon bowl 1, it is preferable that the vertical reinforcement tank 2 For inclined groove or snakelike groove.

In order to further improve the interchangeability of the utility model, using detachable between the carbon bowl 1 and charcoal block body 3 Connection structure, can be connected by screw bolts between carbon bowl 1 and charcoal block body 3 or slot connection structure type, when carbon block sheet When the consumption of body 3 needs replacing, directly charcoal block body 3 can be removed from carbon bowl 1, change new charcoal block body 3.

Preferably, the height of the carbon bowl 1 is 15~25cm, the depth appropriate for increasing carbon bowl 1, is to increase anode steel The contact area of pawl and carbon bowl 1.

Using the utility model carry out electrolytic aluminium when, when carrying out electrolytic aluminium, after anode steel claw is extend into carbon bowl 1 It casts the phosphorus pig iron, is put into contact surface between anode steel claw and carbon bowl 1 since vertical reinforcement tank 2 and circumferential reinforcement tank 4 can increase Product, can reinforce the bonding strength of anode steel claw Yu carbon bowl 1, thoroughly avoid the phenomenon that anode steel claw falls off out of carbon bowl 1, It can guarantee the normal operation of aluminum electrolysis, such connection structure ensure that production first is that improve the efficiency of production Stability and high efficiency is efficiently run, avoid the problem that because the bring that falls off of charcoal block body 3 is installed repeatedly, be not in charcoal block body 3 fall off show, so as to fundamentally reduce the heat loss on charcoal block body 3, thermal energy has been saved, second is that improving sun The bonding strength of pole steel pawl and carbon bowl 1 enables current density during electrolysis to be evenly distributed, avoids charcoal block body 3 It is a large amount of scaling-off, the consumption of charcoal block body 3 is fundamentally reduced, the utilization rate of charcoal block body 3 is improved, reduces the life of electrolytic aluminium Cost is produced, meanwhile, 1 size of carbon bowl at 3 both ends of charcoal block body is greater than 1 size of carbon bowl among charcoal block body 3, due to charcoal block body Connection area between 3 both ends and carbon bowl 1 is big, when being electrolysed, can reduce molten aluminum to the corrosion speed at 3 both ends of charcoal block body Degree makes the corrosion rate in each orientation of charcoal block body 3 close, keeps the consumption in each orientation of charcoal block body 3 identical, protecting Under the premise of demonstrate,proving the conductive uniformity of charcoal block body 3, the stable conditions of electrolytic cell can be improved and be down to electricity damage most It is low, meanwhile, four edges and corners at the top of charcoal block body 3 are designed to arc chord angle transition, are for current density when in use It is evenly distributed, avoids 3 surrounding of charcoal block body largely scaling-off, the further consumption for reducing charcoal block body 3.

As described in Fig. 2~3, in order to further improve the interchangeability of charcoal block body, the transition of charcoal block body is avoided to waste, The charcoal block body 3 includes muti-piece movable block 31, is dismountable connection structure between adjacent two pieces of movable blocks 31, and every piece of work The top of motion block 31 is correspondingly arranged a carbon bowl 1 respectively, preferably.It is provided with and passes through on the binding face of adjacent two pieces of movable blocks 31 It wears 31 top and bottom of movable block and the identical slot 8 of structure and a convex block 9, the convex block 9 is plugged in slot 8, The cross sectional shape of the slot 8 and convex block 9 is dove-tail form, during electrolytic aluminium, can have entire charcoal block body 3 and consume Charcoal block body 3 if replacing entire charcoal block body 3 can waste at a large amount of, therefore can be used multi-block by non-uniform situation Splicing construction, the consumption if it is only one position on charcoal block body 3 is larger, and when being unsatisfactory for use demand, needing will be more One of them or several movable blocks 31 are changed, the present embodiment is realized between two pieces of movable blocks 31 using slot 8 and convex block 9 Splicing, such splicing construction is preferably simple, is stitched together by the design of 9 dovetail type of slot 8 and convex block also more convenient, fast Victory, and cooperation processing when processing of slot 8 and convex block 9, convex block 9 are inserted into slot 8 rear for interference fit, bonding strength Height will not fall off during use.

Further, the air-permeable pin-holes through 31 top and bottom of movable block are machined on every piece of movable block 31 6, the top of the air-permeable pin-holes 6 is provided with absorption cell 7, and during electrolysis, the carbon dioxide of generation is from 6 row of air-permeable pin-holes Out, it is absorbed into the sodium oxide molybdena in absorption cell 7, being absorbed in box 7, avoids influencing molten aluminum liquid fluctuating.

Further.The bottom of every piece of movable block 31 is provided with reserved card slot 5, the section of the reserved card slot 5 Shape is convex structure, and in use for some time, with the consumption of charcoal block body 3, the height of charcoal block body 3 can be reduced, It, can be to reinstall upper certain altitude in the reserved card slot 5 of 3 bottom of charcoal block body in order to improve the utilization rate of charcoal block body 3 Charcoal block body 3 avoids the waste of charcoal block body 3, and can further reduce the thermal loss of charcoal block body 3.

Claims (8)

1. a kind of electrolgtic aluminium Novel anode carbon block, including charcoal block body (3) and carbon bowl (1), it is characterised in that: the carbon bowl It (1) is cone type, the carbon bowl (1) is evenly arranged at the top of charcoal block body (3), and is located at charcoal block body (3) both ends Carbon bowl (1) outer diameter, which is greater than, is located at charcoal block body (3) intermediate carbon bowl (1) outer diameter, along carbon bowl (1) on the inner wall of carbon bowl (1) Short transverse on be machined with 4~8 vertical reinforcement tanks (2), and along the circumference side of carbon bowl (1) on the inner wall of carbon bowl (1) To 1~2 ring is machined with to reinforcement tank (4), it is interconnected between the vertical reinforcement tank (2) and circumferential reinforcement tank (4), it is described Charcoal block body (3) is rectangular parallelepiped structure, and four edges and corners at the top of the charcoal block body (3) use arc chord angle transition.

2. a kind of electrolgtic aluminium Novel anode carbon block according to claim 1, it is characterised in that: the charcoal block body (3) It is dismountable connection structure between adjacent two pieces of movable blocks (31) including muti-piece movable block (31), and every piece of movable block (31) Top be correspondingly arranged a carbon bowl (1) respectively.

3. a kind of electrolgtic aluminium Novel anode carbon block according to claim 2, it is characterised in that: adjacent two pieces of movable blocks (31) it is provided on binding face through movable block (31) top and bottom and the identical slot (8) of structure and one Convex block (9), the convex block (9) are plugged in slot (8), and the cross sectional shape of the slot (8) and convex block (9) is dove-tail form.

4. a kind of electrolgtic aluminium Novel anode carbon block according to claim 2, it is characterised in that: every piece of movable block (31) air-permeable pin-holes (6) being machined at the top and bottom of movable block (31), the top setting of the air-permeable pin-holes (6) There are absorption cell (7).

5. a kind of electrolgtic aluminium Novel anode carbon block according to claim 2, it is characterised in that: every piece of movable block (31) bottom is provided with reserved card slot (5), and the cross sectional shape of the reserved card slot (5) is convex structure.

6. a kind of electrolgtic aluminium Novel anode carbon block according to claim 1, it is characterised in that: the vertical reinforcement tank It (2) is inclined groove or snakelike groove.

7. a kind of electrolgtic aluminium Novel anode carbon block according to claim 1, it is characterised in that: the carbon bowl (1) and charcoal Dismountable connection structure is used between block body (3).

8. a kind of electrolgtic aluminium Novel anode carbon block according to claim 1, it is characterised in that: the height of the carbon bowl (1) Degree is 15~25cm.