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Briefly describe the use and difference of the Best Graphite Cathode block Manufacturers china and graphite electrode Manufacturers china

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  • Time of issue:2022-09-19
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(Summary description)1.Use of the Best Graphite Cathode block Manufacturers china.
The Best Graphite Cathode block Manufacturers china is made of high-quality anthracite, coke, graphite, etc. Used as cathode of aluminum reduction cell. The Best Graphite Cathode block Manufacturers china is built at the bottom of the electrolytic cell, also known as the bottom carbon block. The Best Graphite Cathode block Manufacturers china plays a dual role of conducting electricity and forming the inner lining of the electrolytic cell. High temperature resistance of the Best Graphite Cathode block Manufacturers china is required in aluminum electrolysis production. Resistance to molten salt corrosion and conductivity, good thermal conductivity, high mechanical strength, good thermal shock resistance, strong sodium corrosion resistance and other characteristics, which are conducive to energy saving and cell life improvement in aluminum electrolysis production.

Briefly describe the use and difference of the Best Graphite Cathode block Manufacturers china and graphite electrode Manufacturers china

(Summary description)1.Use of the Best Graphite Cathode block Manufacturers china.
The Best Graphite Cathode block Manufacturers china is made of high-quality anthracite, coke, graphite, etc. Used as cathode of aluminum reduction cell. The Best Graphite Cathode block Manufacturers china is built at the bottom of the electrolytic cell, also known as the bottom carbon block. The Best Graphite Cathode block Manufacturers china plays a dual role of conducting electricity and forming the inner lining of the electrolytic cell. High temperature resistance of the Best Graphite Cathode block Manufacturers china is required in aluminum electrolysis production. Resistance to molten salt corrosion and conductivity, good thermal conductivity, high mechanical strength, good thermal shock resistance, strong sodium corrosion resistance and other characteristics, which are conducive to energy saving and cell life improvement in aluminum electrolysis production.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-09-19
  • Views:0
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1.Use of the Best Graphite Cathode block Manufacturers china

The Best Graphite Cathode block Manufacturers china is made of high-quality anthracite, coke, graphite, etc. Used as cathode of aluminum reduction cell. The Best Graphite Cathode block Manufacturers china is built at the bottom of the electrolytic cell, also known as the bottom carbon block. The Best Graphite Cathode block Manufacturers china plays a dual role of conducting electricity and forming the inner lining of the electrolytic cell. High temperature resistance of the Best Graphite Cathode block Manufacturers china is required in aluminum electrolysis production. Resistance to molten salt corrosion and conductivity, good thermal conductivity, high mechanical strength, good thermal shock resistance, strong sodium corrosion resistance and other characteristics, which are conducive to energy saving and cell life improvement in aluminum electrolysis production.

The types of the Best graphite cathode block products are basically divided into ordinary cathode carbon blocks, semi graphite carbon blocks and graphite carbon blocks in China according to the product quality requirements, selected raw materials and process conditions. Anthracite calcined at 1250~1350 ℃ is the main raw material of common cathode carbon block. Semi graphite carbon blocks can be divided into two types according to different production processes.

One type of the Best Graphite Cathode block Manufacturers china is to calcine anthracite with high quality and high temperature electricity or use more graphite fragments or even all graphite fragments as aggregate. The formed green products will not enter the graphitizing furnace for heat treatment only after being calcined (the calcination temperature is not more than 1200 ℃). This type of carbon block is called semi graphite carbon block.

Another type of the Best Graphite Cathode block Manufacturers china uses more coke that is easy to graphitize as aggregate. After the raw products are baked, they enter the graphitizing furnace for heat treatment at 1800~2000 ℃. This type of carbon block is called semi graphitized carbon block. The former has higher strength and hardness, while the latter has better conductivity and integrity. The Best Graphite Cathode block Manufacturers china is made of easily graphitized coke, and its graphitization treatment temperature should reach about 2500 ℃.

The difference between semi graphite carbon block and graphite carbon block lies in the degree of ordered lattice arrangement of products, that is, the degree of graphitization is different. The resistivity of the product can be used to indicate the degree of graphitization. The lattice of the Best Graphite Cathode block Manufacturers china is basically in an orderly arrangement, and the resistivity is less than 15 μ Ω? m; Semi graphitic carbon block has low graphitization degree or only partial graphitization, with resistivity of 15-45 μ Ω? m。 In terms of technology, the heat treatment temperature is about 2000 ℃ for semi graphite carbon block and 2500 ~ 2800 ℃ for graphite carbon block. Common cathode carbon block with resistivity of 50-60 μ Ω? m。

The Best Graphite Cathode block Manufacturers china is a conductive material used in aluminum reduction cell cathode, which represents the development direction of aluminum electrolysis industry. With the technical progress and development of electrolytic aluminum industry, the electrolytic cell is developing towards the direction of large capacity of more than 300KVA, with higher requirements for cathode materials. The main advantages of the Best Graphite Cathode block Manufacturers china are to strengthen the current, improve the current efficiency, achieve the purpose of increasing production and saving energy, and make the electrolytic cell operate stably. The larger the cell type is, the more stable the operation effect will be, and the more obvious the current efficiency will be. The unit capacity of the aluminum electrolytic cell using the graphite cathode will be increased by 10-15%, and the electricity will be saved by more than 600KWh per ton of aluminum. The Best Graphite Cathode block Manufacturers china aluminum reduction cell is one of the materials that the country has given priority to promote in the electrolytic aluminum industry due to its obvious effect of energy saving, consumption reduction and emission reduction.

2.Use of the Best graphite electrode Manufacturers china

The Best graphite electrode, mainly made of petroleum coke and needle coke as raw materials and coal tar pitch as binder, is calcined, batched, kneaded, profiled, calcined, graphitized and machined. It is a conductor that releases electric energy to heat and melt furnace materials in the form of electric arc in the electric arc furnace. It is mainly used for electric furnace steelmaking. According to its quality indicators, it can be divided into ordinary power, high power and ultra-high power.

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