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Anode Carbon Block

Product Details and Application



Anodes are large carbon blocks which are used to conduct electricity during the aluminum reduction process. Anode material for pre-baked aluminum electrolytic cell.

It is composed of several anode carbon blocks and an anode lifting mechanism.

Prebaked anode is an important part of prebaked anodic aluminum electrolytic cell.

It participates in electrochemical reactions and directs current into the electrolytic cell.


Each anode carbon block is preassembled by 1 ~ 3 anode carbon blocks, anode guide rod and steel claw (see anode carbon block assembly).

The single anode group is the most common one.

The number and size of the carbon block group depends on the capacity and current density of the electrolytic cell (generally 10 ~ 40 groups).

The carbon blocks are arranged symmetrically on the left and right sides of the anode horizontal bus in the slot, and the aluminum guide rod of the carbon blocks is fixed on the horizontal bus by a rotatable clamp. The aluminum guide rod plays the dual role of conveying current and hanging the carbon blocks.


Anodes are positive electrodes, typically made from crushed calcined petroleum coke and liquid pitch formed into rectangular blocks and baked. These anode blocks are attached to rods and suspended in an electrolytic cell, where they are slowly consumed in the aluminum smelting process.  


Technical specification:


No

Item

Unit

Guarantee Value

1

Apparent Density

g/cm3 (min)

1.52

2

Electrical Resistivity

μΩ.m (max)

63

3

Compress strength

Mpa (min)

30

4

Thermal Conductivity

W/mk(max)

4.5

5

Flexural Strength

Mpa(Min)

38

6

Permeability

NPm(Max)

2.0

7

Thermal Exposure

10-6/k

5.0

8

Ash

%(Max)

0.5

9

Fe

ppm(Max)

500

10

Si

ppm(Max)

350

11

V

ppm(Max)

350

12

Na

ppm(Max)

500



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