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Inert Alumina Packing Balls

There is a wide variety of alumina balls, and different types are applicable to distinct scenarios. For instance, activated alumina balls can serve as desiccants, while inert alumina balls are used as bedding and filling materials in hydrocracking refining equipment and catalytic reforming equipment. The Media Department of Moku Network will elaborate on alumina packing balls, a type of alumina ball.

    There is a wide variety of alumina balls, and different types are applicable to distinct scenarios. For instance, activated alumina balls can serve as desiccants, while inert alumina balls are used as bedding and filling materials in hydrocracking refining equipment and catalytic reforming equipment. The Media Department of Moku Network will elaborate on alumina packing balls, a type of alumina ball.

    Alumina packing balls, also known as inert alumina ceramic balls, owe their "inertness" to weak chemical reactivity and lack of catalytic properties. With an extremely dense texture, alumina packing balls feature low water absorption and thus cannot act as desiccants like activated alumina balls. They are commonly seen in the petroleum, chemical, chemical fertilizer, natural gas and environmental protection industries, where they function as catalyst covering and supporting materials in reactors as well as tower packings.

    Ultra-fine crystalline calcined alumina micropowder is the raw material for alumina packing balls. The production process involves mixing and blending the raw material via fully automatic mixing equipment, forming the mixture into spherical shapes with a ball forming machine, and finally calcining the formed balls at 1600℃ in a high-temperature tunnel kiln to achieve the finished product. Alumina packing balls are resistant to high temperatures, high pressures, and corrosion by acids, alkalis and other solvents, boasting stable chemical properties as well as excellent thermal stability. Their function is to increase the distribution points of gases or liquids, and to support and protect active catalysts with low mechanical strength.

    Product Specifications

    Item

    Specification

    Remarks

    Product Name

    Inert Alumina Packing Balls

    Also called Inert Alumina Ceramic Packing Balls

    Main Raw Material

    Ultra-fine crystalline calcined alumina micropowder

    Adjustable purity according to customer requirements

    Alumina Content

    30%-99%

    Common specifications: 30%, 60%, 75%, 90%, 95%, 99%

    Vickers Hardness (HV)

    ≥ 500-1200 HV

    Increases with higher alumina content

    True Density

    2.4-3.9 g/cm³

    Depends on alumina content and sintering density

    Bulk Density

    1.4-2.2 g/cm³

    Customizable according to particle size

    Water Absorption

    ≤ 0.5%-3.0%

    Low water absorption, no drying function

    Operating Temperature

    ≤ 1000-1600℃

    Higher alumina content = better high-temperature resistance

    Particle Size Range

    1mm-100mm

    Customizable (common: 5mm, 10mm, 15mm, 20mm)

    Sphericity

    ≥ 0.90-0.95

    Ensures uniform fluid distribution

    Compressive Strength

    ≥ 150-350 MPa

    Resistant to impact and wear

    Chemical Stability

    Inert, no catalytic properties; resistant to acids, alkalis, salts, organic solvents

    No reaction with reaction media or catalysts

    Production Process

    Raw material mixing → forming → high-temperature calcination (1600℃) → inspection → packaging

    Fully automatic production, stable quality

    Packaging

    20kg/50kg sealed plastic bags; 100kg/200kg fiber drums (with moisture-proof lining); custom packaging available

    Prevents moisture and damage during transportation

     

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