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Whitepapers

Digital Magnetic Imaging of Steel Cord Conveyor Belts in Practice

Conveyor Belt Monitoring
Steelcord-reinforced conveyor belting is widely used for the transportation of a wide range of products in a wide range of mining industries including hard rock, coal, aggregate, iron ore, gold, copper, diamond etc. The ability to perform continuous non-destructive condition monitoring of these belts would be beneficial to improve the reliability and availability of these belt transport systems.

Mass Flow Measurement in Bulk Solids

Mass Flow Measurement
It would be good to use a measuring technique to measure mass flow in solids without cumbersome load cell loss in weight systems, mechanical weighing systems, impact weighing systems, weigh feeders, coriolis feeders, etc. Although those conventional systems perform a good job, they are expensive to install, they take up valuable process “real estate”, etc.

Characterisation of Powder and Bulk Material

Powder Characterisation
Powders should not be thought of as having ‘good’ or ‘bad’ flow properties. The key to achieving efficient processing is to ensure that plant and processing equipment are compatible with the characteristics of the powders being used. However, such a requirement demands a thorough understanding of the nature and behaviour of the materials themselves in order to have the information to feed into process design and development from the outset. This begs the question of how best this can be achieved.

Inadequate Treatment of Dust Explosions and Fires in ‘ATEX’?

Explosion Protection
The two European Directives 94/9/EC (1994) and 1999/92/EC (1999) primarily address gases/vapours, whereas the particular properties of dusts are treated rather inadequately. Some recent IEC and European dust standards resulting from this deficiency are discussed, and the need for revising the two directives accordingly is emphasized.

Dust Explosion Prevention and Protection in the Food and Pharmaceutical Industries

Fire & Explosion Protection
Materials that are common to the Food and Pharmaceutical Industries such as starch represent an extreme hazard to personnel and plant in the event of a combustible dust explosion. In a fraction of a second, pressures that exceed the design pressure of process equipment and piping are achieved, reaching over 10 bar in the case of starch.

Dry Fog Dust Suppression

Dust Control
There are a number of systems used for dust suppression ranging from “garden hose” technology, through water and surfactant sprays, foam and fog generation systems. These various suppression technologies call for adding different volumes of moisture to the material.

Overland Conveyor: Trough Belt versus Cable Belt

Conveyor Belt Splicing
Conventional trough belt conveyors with various sizes and capacities are widely accepted in different industries around the world. The objective of this whitepaper is to put across the messages that variations and developments from the conventional conveyor have reached such a degree that a materials handling problem can usually be solved in numerous ways with varying degrees of suitability. This whitepaper presents a comparison of trough belt versus cable belt with respect to the primary parameters of power, consumption, volumetric capacity and maintenance issues, particularly idler replacement.

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