Screw Conveyor

Bulk handling conveyor for transporting loose powdery, granular and small lumpy materials

Shaftless Screw Conveyor
  • Shaftless Screw Conveyor
  • Shaftless Screw Conveyor
    • Shaftless Screw Conveyor

    Shaftless screw conveyors are widely utilized across various industries, such as construction materials, power generation, chemicals, metallurgy, coal, machinery, light industry, food processing, and agriculture. This material handling equipment is designed for transporting powdered, granular, and small lumpy materials like cement, coal powder, fertilizers, and ash. However, it is not suited for materials that are sticky, prone to spoilage, or easily form clumps, as these can adhere to the screw or cause blockages, hindering operation.

    Features

    • Its adaptable design allows for a versatile arrangement of inlet and outlet points.
    • The integral construction ensures ease of maintenance and low manufacturing costs.
    • With strong sealing, it prevents spillage and operates safely.
    • Most efficient at an inclination of less than 20°, it is ideal for materials that aren't prone to spoilage or clumping.
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    Specifications

    Screw diameter (mm) 100 160 200 250 315 400 500 630 800 1000 1250
    Screw pitch (mm) 100 160 200 250 315 355 400 450 500 560 630
    Rotation speed (r/min) 140 112 100 90 80 71 63 50 40 32 25
    Conveying capacity (m³/h) 2.2 8 14 24 34 64 100 145 208 300 388
    Rotation speed (r/min) 112 90 80 71 63 56 50 40 32 25 20
    Conveying capacity (m³/h) 1.7 7 12 20 26 52 80 116 165 230 320
    Rotation speed (r/min) 90 71 63 56 50 45 40 32 25 20 16
    Conveying capacity (m³/h) 1.4 6 10 16 21 41 64 94 130 180 260
    Rotation speed (r/min) 71 50 50 45 40 36 32 25 20 16 13
    Conveying capacity (m³/h) 1.1 4 7 13 16 34 52 80 110 150 200
    Note: Due to different material filling factors, the capacity may vary. The capacity may also change depending on the material’s viscosity and the conveying angle.
    Tubular Screw Conveyor
  • Tubular Screw Conveyor
  • Tubular Screw Conveyor
  • Tubular Screw Conveyor
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    Tubular Screw Conveyor

    The tubular screw conveyor is a versatile piece of bulk material handling equipment widely used in industries such as chemicals, construction, machinery, and grain processing. It is ideal for moving various powdered and small-sized materials, including coal dust, cement, and grains. While its design is suitable for short-distance conveying, it may not perform as effectively with sticky or large clumped materials due to higher power consumption and the need for even feeding.

    Features

    • Its simple structure ensures safe, easy operation and requires minimal maintenance.
    • The conveyor’s small cross-section makes it ideal for limited spaces and multiple unloading points.
    • The enclosed system helps contain dust and prevent material loss, maintaining a clean operation environment.
    • This conveyor is more suitable for lower production rates and shorter transport distances due to its higher energy consumption.
    • Uniform feeding is essential for efficient performance, preventing material overload or uneven distribution.

    Specifications

    Screw diameter (mm) 150 200 250 300 400 500 600
    Screw pitch (mm) 120 160 200 240 320 400 480
    Rotation speed (r/min) 190 150 150 120 120 90 90
    Conveying capacity (m³/h) 4.5 19 30 45 80 100 200
    Rotation speed (r/min) 90 75 75 63 63 50 40
    Conveying capacity (m³/h) 4.8 9 18.6 26 60 90 116
    Rotation speed (r/min) 75 63 63 50 45 40 32
    Conveying capacity (m³/h) 4 8 17 21 41 70 94
    Rotation speed (r/min) 63 50 50 40 36 32 25
    Conveying capacity (m³/h) 3 6 13 16 34 52 80
    Note: Due to different material filling factors, the capacity may vary. The capacity may also change depending on the material’s viscosity and the conveying angle.
    FAQ

    A complete fertilizer production line, whether for organic or compound fertilizers, usually features equipment for mixing, crushing, screening, granulation, cooling, and coating. Each machine plays a key role in ensuring efficient production and high-quality outputs.

    To produce various types and concentrations of compound fertilizers, manufacturers commonly mix materials like urea, ammonium chloride, MAP (monoammonium phosphate), DAP (diammonium phosphate), MOP (muriate of potash), and SOP (sulfate of potash). These materials help achieve the desired nutrient balance for different crops.
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