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Do u know how to choose good uhp graphite electrode

Do u know how to choose good uhp graphite electrode

Do u know how to choose good uhp graphite electrode

The Advantages and Disadvantages of Oil-based Needle Coke and Coal-based Needle CokeWhether it is oil-based needle coke or coal-based needle coke, the producti

 

The Advantages and Disadvantages of Oil-based Needle Coke and Coal-based Needle Coke

Whether it is oil-based needle coke or coal-based needle coke, the production process consists of three parts: raw material pretreatment, delayed coking and calcination.

The main difference in the production process between coal-based needle coke and oil-based needle coke is the pretreatment of raw materials. Oil-based needle coke is processed from heavy oil, and coal-based needle coke is processed from coal tar.

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Oil-based coke products have a lower CTE value than coal-based coke products and have better thermal shock resistance. The resistivity of oil-based coke products is slightly lower than that of coal-based coke products.

 

Oil-based coke is more suitable for the production of high-quality graphitized electrodes, the main difference lies in the CTE value

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  1. image
    shengmiao

    Harm of too high temperature: when molten steel out of cooper mold, the billet shell is thin and easy to break out; The accelerated erosion of refractory can ea

  2. image
    shengmiao

    1. The barrier function (mainly completed by the liquid slag layer) isolates the contact between air and molten steel, blocks the secondary oxidation of molten

  3. image
    shengmiao

    In continuous casting, low corrosion resistance often occurs, which directly leads to uneven composition and will eventually affect the smelting quality. In or

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