商品代碼:3485172

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    黑碳化矽 綠碳化矽 碳化矽磨料 Silicon carbide
    商品代碼: 3485172
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    黑碳化矽 綠碳化矽 碳化矽磨料

    1有色金屬冶煉工業的應用

        利用碳化矽具有耐高溫,強度大,導熱性能良好,抗沖擊,作高溫間接加熱材料,如堅罐蒸餾爐,精餾爐塔盤,鋁電解槽,銅熔化爐內襯,鋅粉爐用弧型板,熱電偶保護管等.

        2.鋼鐵行業方麵的應用

        利用黑碳化矽 綠碳化矽 碳化矽磨料的耐腐蝕,抗熱沖擊耐磨損,導熱好的特點,用於大型高爐內襯提高瞭使用壽命.

        3.冶金選礦行業的應用

        黑碳化矽 綠碳化矽 碳化矽磨料硬度僅次於金剛石,具有較強的耐磨性能,是耐磨管道,葉輪.泵室.旋流器,礦鬥內襯的理想材料,其耐磨性能是鑄鐵.橡膠使用壽命的5—20倍,也是航空飛行跑道的理想材料之一.

        4.建材陶瓷,砂輪工業方麵的應用

        利用其導熱系數.熱輻射,高熱強度大的特性,制造薄板窯具,不僅能減少窯具容量,還提高瞭窯爐的裝容量和產品質量,縮短瞭生產周期,是陶瓷釉麵烘烤燒結理想的間接材料.

        5.節能方麵的應用

        利用良好的導熱和熱穩定性,作熱交換器,燃耗減少20%,節約燃料35%,使生產率提高20-30%,特別是礦山選廠用排放輸送管道的內放,其耐磨程度是普通耐磨材料的6—7倍.

     

     

    黑碳化矽 綠碳化矽 碳化矽磨料產品性能指標

    項目

    單位

    指標

    重結晶SIC

    滲矽碳化矽

    體積密度

    g/cm3

    2.60-2.68

    3.02

    氣孔率

    %

    ≤17

    0

    抗折強度

    Mpa (20℃­)

    ≥90

    220

    Mpa (1200℃­)

    ≥100

    230

    熱膨脹系數

    10-5 K

    4.8

    4.8

    導熱系數

    W/mk

    23

    45

    楊氏莫量

    Gpa (20℃­)

    240

    420

    最高工作溫度

    1650

    1320

    SIC

    %

    ≥99

    80

    Si+SiO2

    %

    ≤0.6

    19

     

    %

    ≤0.1

    0.15

    耐酸性

     

    不與任何強酸反應 (濃磷酸在300℃以上除外)

    與強酸有微弱反應,與濃磷酸在300℃有強烈反應

    耐堿性

     

    不與強堿反應

    與強堿反應

    The use of silicon carbide

    1. Application in non-ferrous metal smelting industry

    With its high temperature, high strength, good thermal conductivity and impact resistance it can be used for high-temperature indirect heating materials, such as distillation furnace, distillation furnace trays, aluminum electrolysis tank, copper melting furnace linings, zinc furnace arc plate and thermocouple protection tubes.

    2. The application in iron and steel industry

    With its anti-corrosion, thermal shock resistance, good thermal conductivity and other characteristics, it can be used for large blast furnace lining to increase service life.

     3. The applications in metallurgical beneficiation industry

    The hardness of silicon carbide is only next to diamond. Silicon carbide has a strong wear resistance, is the ideal material for making wear-resistant pipe, impeller, pump room, hydrocyclone and the ore lining of ore bucket.

    4. The application in building, ceramics and wheel industry

    With its thermal conductivity, heat radiation, high heat intensity characteristics, it can be used for making kiln sheet, which can not only reduce the kiln capacity, but also increase the installed furnace capacity and product quality and shorten the production cycle.

    5. The application in energy saving

    It can be used for making heat exchanger for its good thermal conductivity and thermal stability. The fuel consumption can be reduced by 20% and it saves fuel by 35%, thus it increases the productivity by 20-30%, its wear-resistant is 6-7 times the normal wear-resistant materials especially in the usage in mining pipeline.

    Product performance index:

    Item

    Units

    Indicators

    SICRSIC

    PCRBSC

    Density

    g/cm3

    2.60-2.68

    3.02

    Porosity

    %

    ≤ 17

    0

    Flexural strength

    Mpa (20 ℃)

    ≥ 90

    220

    Mpa (1200 ℃)

    ≥ 100

    230

    Coefficient of thermal expansion

    10-5 K

    4.8

    4.8

    Thermal conductivity

    W / mk

    23

    45

    Young modulus

    Gpa (20 ℃)

    240

    420

    Max. Operating Tem

    1650

    1320

    SIC

    %

    ≥ 99

    80

    Si + SiO2

    %

    ≤ 0.6

    19

     

    %

    ≤ 0.1

    0.15

    Acid resistance

     

     Not reacting with any strong acid (except that when concentrated phosphoric acid at 300 ℃)

    There are weak reactions with the strong acid reaction, and when the concentrated phosphoric acid at 300 ℃they has a strong reaction

    Alkali

     

    No reaction with the alkali

    Reaction with alkali

     







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