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Classification of Discount Graphite Cathode block from China manufacturer

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  • Time of issue:2022-06-17
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(Summary description)Discount Graphite Cathode block from China manufacturer is a carbon block made of high-quality anthracite, coke and graphite. Discount Graphite Cathode block from China manufacturer is used as cathode of aluminum reduction cell. Including bottom carbon block, side carbon block, tamping carbon paste or carbon glue connecting the carbon block, cathode steel bar, etc.

Classification of Discount Graphite Cathode block from China manufacturer

(Summary description)Discount Graphite Cathode block from China manufacturer is a carbon block made of high-quality anthracite, coke and graphite. Discount Graphite Cathode block from China manufacturer is used as cathode of aluminum reduction cell. Including bottom carbon block, side carbon block, tamping carbon paste or carbon glue connecting the carbon block, cathode steel bar, etc.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2022-06-17
  • Views:0
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Discount Graphite Cathode block from China manufacturer is a carbon block made of high-quality anthracite, coke and graphite. Discount Graphite Cathode block from China manufacturer is used as cathode of aluminum reduction cell. Including bottom carbon block, side carbon block, tamping carbon paste or carbon glue connecting the carbon block, cathode steel bar, etc.

1. carbon block at the bottom of Discount Graphite Cathode block from China manufacturer. It has the dual functions of conducting electricity and forming the inner lining of the electrolytic cell. It is built at the bottom of the electrolytic cell. The exterior is built with refractory materials and reinforced with steel shells. It can be divided into ordinary cathode carbon block, semi graphite cathode carbon block and graphite cathode carbon block.

Ordinary cathode block is directly made from common calcined anthracite without graphitization;

Semi graphite cathode block: one is made of electric calcined anthracite or more or all graphite chips, and the formed green body is only roasted (the roasting temperature does not exceed 1200 ℃), which is called semi graphite carbon block; The other is a kind of semi graphitized cathode carbon block, which takes the easily graphitized coke as the raw material and carries out graphitization (1800~2000 ℃) heat treatment after green body roasting;

Discount Graphite Cathode block from China manufacturer, with graphitized coke as raw material, its graphitization temperature should reach about 2500 ℃, also known as graphite cathode carbon block.

The carbon block at the bottom of the new type of Discount Graphite Cathode block from China manufacturer includes titanium borate coated carbon block. The coating made of titanium borate is coated on the body surface of the cathode carbon block, or a carbon paste layer containing titanium borate is directly pressed on the surface of the carbon block, and then calcined for heat treatment. The bottom carbon block accounts for 60%~70% of the cathode material of the aluminum reduction cell.

2. carbon block at the side of Discount Graphite Cathode block from China manufacturer. It is used to lay the side of aluminum reduction cell and form the main body of side lining of reduction cell. It can be divided into ordinary side carbon block and semi graphite side carbon block, and the production and preparation method is similar to the bottom carbon block. With the popularization and application of silicon nitride combined with silicon carbide block at the side of aluminum reduction cell, the amount of carbon block at the side is reduced.

3. Discount Graphite Cathode block from China manufacturer cathode steel bar. The product that connects the cathode carbon block and cathode bus in the aluminum reduction cell to form the cathode circuit of the aluminum reduction cell. It is divided into single rod assembly (i.e. one cathode steel rod is assembled on one cathode carbon block) and double rod assembly (i.e. two cathode steel rods are assembled at the end of one cathode carbon block).

The raw materials of Discount Graphite Cathode block from China manufacturer are mainly anthracite, asphalt coke, natural and artificial graphite, coal pitch, etc. the raw materials are calcined, crushed, sieved into certain particle sizes, measured according to the formula, and then added with binder for kneading. The finished cathode paste is the finished cathode paste after kneading. The paste after kneading is produced into graphite cathode block through forming, roasting, graphitization, machining and other processes.

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