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Discharge and handling

Screw conveyors

Continuous, sealed conveying of particulate materials, in lengths of up to 12 meters.

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Screw conveyor rendering with gray casing, orange screw flight, and blue drive
Kleema project rendering

Continuity and particulate containment

Continuous movement with sealed conveying

Kleema screw conveyors continuously move powders or granules between process stages, integrating equipment discharge, transfer, and feeding. With lengths of up to 12 meters, their enclosed construction and sealing systems ensure sealed conveying, containing the material throughout its route.

Sizing considers conveying capacity, length, inclination, and material characteristics, including density, abrasiveness, and temperature. These parameters guide the design of the screw flight, construction materials, bearings, seals, and drive, ensuring a configuration suited to operating conditions.

Engineering for continuous, sealed conveying

  • Sizing for the processRequired capacity, conveying length, and inclination guide screw flight and drive sizing, considering the material's flow characteristics.
  • Sealing throughout the routeCasing, covers, connections, and shaft penetrations are configured for assembly tightness to contain particulate during operation.
  • Wear resistanceSelection of screw flight and casing materials and thicknesses considers abrasiveness, temperature, and operating duty, aiming for durability of components in contact with the product.
  • Support and maintenance accessBearing and access point locations are defined according to equipment length and configuration, facilitating inspection, cleaning, and maintenance.

In-house manufacturing allows materials and thicknesses to be selected for expected wear. Dimensional and assembly inspections consider alignment, interfaces, and sealing components.

Integration of collection, discharge, and the material's destination

Screw conveyors can be integrated with discharge from filters, cyclones, silos, and hoppers, moving collected material to storage, equipment feed points, or subsequent process stages. Continuous, sealed conveying helps contain particulate and maintain consistent movement.

Main applications

  • Removal and conveying of particulate collected in filtration systems.
  • Transfer of powders and granules between equipment.
  • Feeding process stages that require continuous material movement.

Industries

Cement and limeMining and mineral processingSteel and metallurgyChemicals and fertilizersCeramics and industrial minerals

Equipment suitability is assessed according to material characteristics and installation and operating conditions.

Technical information

Each screw conveyor is sized for the material and process conditions.

Conveying lengthUp to 12 meters, depending on configuration and application conditions.
Conveying capacityDefined by required material flow rate, bulk density, and flow characteristics.
Screw flight and casingGeometry, materials, and thicknesses selected for the conveyed product and operating duty.
InclinationConsidered in capacity and drive sizing.
SealingCasing, covers, connections, and shaft seals configured to contain particulate during conveying.
Drive and bearingsSelected according to load, speed, length, and startup and operating conditions.
Material conditionsAssessment of particle size distribution, abrasiveness, temperature, and tendency to adhere or compact.
Installation and maintenanceDefinition of inlet and outlet points, supports, and access to suit the installation arrangement.

Particulate conveying tailored to your process

Provide the conveyed material, required capacity, length, and installation conditions. Kleema engineers can assess screw conveyor configuration to ensure continuous movement, sealing, and integration with other process equipment.

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