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Bucket Elevator

Bucket Elevator

With their proven quality, reliable operation, high conveying capacities, long service lifetime and low operating costs SDCAD Bucket Elevators have become a synonym for efficient vertical transport of any kind of bulk material. Dependent on material, application and local conditions, the Bucket Elevators are supplied either in central chain or belt design.

SDCAD Belt Bucket Elevators, Chain Bucket Elevators, Double Chain Bucket Elevators and Bucket Elevators with Gravity Discharge for handling all kinds of bulk materials such as:

    • limestone
    • aggregates
    • clinker
    • slag
    • cement
    • gypsum
    • coal
    • ores

and many others.

Different Types of Bucket Elevator Systems

Belt Bucket Elevator type BWG

SDCAD Belt Bucket Elevators of the type BWG are equipped with specially developed steel cord belts which are long-lasting and can operate under temperatures of up to 150°C. The belt is turned precisely in the Bucket Elevator boot on a bar drum, and is kept exactly parallel by a parallel tensioning device.

Functions and characteristics

  • Secure belt connection by clamping the belt ends in a casting compound box (clamping connection)
  • Friction linings of the drive drum can be exchanged without opening the belt
  • Range of conveying capacities from low to very high
  • Lifting heights above 170m and sometimes even higher
  • Conveying capacities of up to 2,400 m³/h
  • Compact bucket arrangement with very little space between

Chain Bucket Elevator type CAD

SDCAD Bucket Elevators of the type CAD are equipped with a forged central chain and are designed to convey all kinds of coarse, hot or abrasive bulk materials. In 24-hour continuous operation, conveying capacities of over 900 m³/h are achieved at centre distances above 30m.

Functions and characteristics

  • Conveying of bulk material at temperatures of up to 850°C
  • Heat resistant up to 400°C
  • Homogenous conveying flow with minimum spillage due to closely spaced buckets
  • Simple and reliable bucket fixing (SDCAD patent) to maximise service lifetime
  • Forged chain with lubricated labyrinth seal
  • Silo and mill feeding applications
  • Suitable for abrasive, hot, coarse and fine material

Double Chain Bucket Elevator type CAD-D

For conveying capacities of over 1,800 m³/h SDCAD has developed the Double Chain Bucket Elevator. The CAD-D can be supplied with centre distances of over 90m. This Bucket Elevator is a pairing of two standard Bucket Elevators each with a central chain behind. Both bucket strands run over the same drive shaft which is supported in pillow block bearings and driven by double drive units.

Functions and characteristics

  • Conveying capacities of more than 1,800 m³/h
  • Centre distances greater than 90m
  • Symmetrical weight distribution for longer service life of chain and drive shaft
  • No mechanical connection between the bucket strands
  • Material feed with flow divider
  • Sprockets and tension shafts have separate bearings, so that if chain lengthening occurs the chains can be realigned individually

Bucket Elevator with Gravity Discharge type CAD-S

For bulk materials which create a lot of dust and have particle sizes of up to 150 mm SDCAD offers a Bucket Elevator with Gravity Discharge type CAD-S. This Bucket Elevator runs at reduced conveying speeds and uses gravity to discharge the bulk material over the back of the preceding bucket.

Functions and characteristics

  • Conveying speeds when using gravity discharge are between 0.5 and 1.11 m/s
  • Special bucket design – the bulk material flows over the back of the preceding bucket into the outlet
  • Bucket widths from 200 to 1,200mm and protrusions of 240 or 400mm
  • Conveying capacity of up to 680 m³/h
  • Conveying capacity as Double Bucket Elevator of up to 1,350 m³/h

    1. Type of Bucket Elevator Systems

    A bucket elevator system is a vertical conveying equipment designed to lift bulk materials from a lower to a higher level using a continuous series of buckets attached to a belt or chain. It is one of the most efficient systems for vertically transporting granular, powdery, or small-sized bulk materials such as sand, gravel, cement, and aggregates. Bucket elevators are widely used in concrete batching plants, cement production lines, grain storage facilities, and industrial processing plants for reliable and dust-free material lifting.

    2. Difference Between Types of Bucket Elevators

    Bucket elevators are mainly classified by their discharge method and traction component:

    • Centrifugal discharge bucket elevators: Operate at high speed and use centrifugal force to discharge materials, ideal for dry, free-flowing materials like cement or grain.

    • Continuous discharge bucket elevators: Run at a slower speed for gentle material handling, suitable for fragile or abrasive materials.

    • Belt-type bucket elevators: Lightweight and quiet, typically used for fine and non-abrasive materials.

    • Chain-type bucket elevators: Heavy-duty systems designed for abrasive or high-temperature materials such as clinker or sand.

    The selection depends on material type, capacity, lifting height, and environmental conditions.

    3. Application and Uses of Bucket Elevators

    Bucket elevators are essential in cement plants, ready-mix concrete batching systems, power stations, agriculture, and chemical industries.
    They are used for:

    • Elevating cement, fly ash, and aggregates from ground hoppers to silos or mixers.

    • Lifting grain, fertilizer, or feedstock in agricultural facilities.

    • Transferring minerals, coal, or powders in industrial production lines.
      Their vertical structure saves space, provides high throughput, and ensures a sealed, dust-free working environment.

    4. Main Parameters and Key Performance Indicators of Bucket Elevators

    Typical parameters include lifting height (5–50 m), capacity (10–300 t/h), bucket volume (1–20 L), belt or chain speed (0.5–2 m/s), and motor power (2–30 kW).
    Key performance indicators are lifting efficiency, energy consumption, bucket filling rate, and discharge smoothness.
    A well-engineered bucket elevator ensures stable operation with minimal spillage, low noise, and long service life under continuous duty.

    5. Price Factors and Typical Price Range of Bucket Elevators

    The price of a bucket elevator depends on multiple factors such as lifting height, capacity, bucket material (plastic, carbon steel, or stainless steel), drive system, and installation configuration.
    In the export market, the standard price range is USD 2,000–15,000, while large industrial units for cement plants or aggregate systems may exceed USD 25,000.
    The total cost also depends on customization level, motor brand, and whether it includes explosion-proof or corrosion-resistant features.

    6. Export Advantages of Bucket Elevators

    As a leading bucket elevator exporter from China, we design and manufacture reliable systems compatible with international concrete batching, aggregate handling, and silo storage solutions.
    Our elevators feature precision-engineered buckets, reinforced belts or chains, anti-wear liners, and sealed housings to ensure maximum durability and efficiency.
    We provide custom designs according to lifting height, capacity, and material type, ensuring perfect integration into client systems.
    With CE/ISO certification, strict quality control, competitive pricing, and fast delivery, our bucket elevators have been exported to Europe, the Middle East, and Southeast Asia, serving as a trusted solution for global construction and industrial projects.

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