SiC bushing, plates, liners and rings

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Please see the product video on the website: Wear resistant ceramic linings provide excellent impact and abrasion resistant protection. Specifically constructed for use wherever wear and abrasion are a problem, ZPC® linings reduce downtime and maintenance. The SiC ceramic linings are highly resistant to the abrasive effects of bulk materials such as silica, ore, glass, slag, fly ash, limestone, coal, coke, feed, grain, fertilizer, salt and other highly abrasive materials. Abrasion resistant ...


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    Please see the product video on the website:

    Wear resistant ceramic linings provide excellent impact and abrasion resistant protection. Specifically constructed for use wherever wear and abrasion are a problem, ZPC® linings reduce downtime and maintenance. The SiC ceramic linings are highly resistant to the abrasive effects of bulk materials such as silica, ore, glass, slag, fly ash, limestone, coal, coke, feed, grain, fertilizer, salt and other highly abrasive materials.

    Abrasion resistant and wear resistant linings from Zhongpeng suit many industries. Customers range from the powder industry to the coal, power, mine and food industries where FGD nozzles are approved for use in China Electric Power Group. ZPC wear resistance linings are marketed throughout the United States, Canada, Austrilia, Mexico, South Africa, etc. They are ideal for lining components susceptible to severe abrasion in plant material handling and processing operations. The SiC linings, plates and blocks are effective in applications such as pipes, tees, elbows, separators, cyclones, silos, bunkers, concrete and steel troughs, chutes, impellers and agitators, fan blades and fan casings, conveyor screws, chain conveyors, mixers, pulpers; wherever friction-induced abrasion is a problem.

    Abrasion resistant tiles for wear protection, to meet the customer’s specific abrasion, impact and corrosion problems. The use of ZPC SiC wear resistant linings on problematic components adds up to significant savings because of their longer service life. The cost of replacement parts, the downtime of operations, plant clean-up and the cost of maintenance work are all dramatically reduced. The savings incurred will pay for the linings and installation in a short time.

    Silicon carbide sic bushing is a new type of high-tech and wear-resistant material in the world. It was made of high-purity silicon carbide powder, high-purity high-temperature carbon black and binders,by pouring, blanking, sintering, and sand-removing processes,made of a composite high wear product.

    It is currently used as a bushing in mining equipment,such as copper, gold, iron ore,nickel ore and other in non-ferrous metals.It plays a role of high wear resistance,the wear life is more than 10 times that of conventional steel bushings and alumina bushing.

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    1.Application of sic bushing in the mining industry

    For mine filling, the concentrate powder and tailings transportation has serious wear on the pipeline.The service life of the ore powder conveying pipeline used in the past is less than one year, and now choose silicon carbide bushings can increase the service life by more than 10 times.

     

    2.Why silicon carbide linings are widely used in the mining industry?

    Due to the wear resistance of ceramic tubes, following is a comparison of wear resistance of ceramic tubes and other materials.

    Comparison of wear resistance of silicon carbide bushings

    Sandblasting contrast test(SiC sand) 30%SiO2 mud slurry contrast test
    Material Reduced volume Material Reduced volume
    97% alumina tube 0.0025 45steel 25
    Silicon carbide bushing 0.0022 Silicon carbide bushing 3

     

    3.Other physical and mechanical properties of ceramic wear resistant pipes in the mining industry

    Item data
    material
    Strength 
    HV
    kg/mrn2
    Bending strength
    MPa
    Surface material Ceramic layer density
    g/cm3
    Compressive shear strength MP Resistance to mechanical shock Thermal shock resistance
    Steel tube 149 411          
    SiC bushing 1100-1400 300-350 smooth 3.85-3.9 15-20 15 900

     

    4.Another feature of silicon carbide bushings used in mines – small loss of running resistance

    Test on resistance characteristics of powder, slag and ash transportation,the results are as follows:

    Material Absolute roughness (△) Absolute roughness(△/D) Water resistance coefficient
    Hydraulic transmission Pneumatic conveying Hydraulic transmission Pneumatic conveying
    Ordinary steel tube 0.119 0.20 7.935×104 1.343×103 0.195
    Ceramic composite pipe 0.117 0.195 7.935×104 1.343×103 0.0193

     

    5.Silicon carbide bushing connection

    (1)When flexible pipes are used to connect the installation pipes, the insertion lengths of the two ends of the flexible pipe sleeve must be adjusted symmetrically. Expansion gap should be based on local conditions or design department requirements.

    (2)When When using flange connection, the flange face must be flush with the end face of the composite pipe 

    Wear resistant part


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