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Tilbury’s conveying solution

World Cement,

About two years ago, Cemex UK presented its plans to erect a new cement grinding works in the Port of Tilbury. The 1.2 million tpa plant is the only cement plant in the southeast of England and will increase Cemex UK´s cement capacity by 20%.

For the transport of different bulk materials, B&W Mechanical Handling Ltd, a company belonging the Aumund Group, delivered two SamsonTM receiving units to the new cement works in Tilbury.

The first SamsonTM 800 is 10 m long (holding capacity 47 t, discharge at 95 - 300 tph) and is used for clinker transport. A second SamsonTM, 800 m long with a 16 m long transfer belt conveyor was supplied by B&W to transport limestone, gypsum and plasterboard with a holding capacity of 44 t and discharges at 30 - 120 tph. The delivery scope also included silo discharge gates, which were delivered by Aumund Fördertechnik in Rheinberg.

The SamsonTM concept, which combines a steel plate apron style conveyor with a flat cover belt, unites the benefits of a torsion-proof conveying surface with the clean operation of a belt conveyor. The uniform discharge of the material directly fed into the machine by tipping trucks results in high transfer capacities, while at the same time, the low height of fall considerably cuts down the dust generation when material with a high content of fines is fed. The SamsonTM unit is capable of receiving almost any kind of bulk material directly from tipping trucks or loading shovels and enables short-time buffer storage and controlled bulk material transfer onto subsequent components of the works. Thanks to its over-ground installation, the SamsonTM represents the flexible alternative to traditional tipping points with under-floor pits.

The SamsonTM concept was developed by B&W in Ely, UK, and after the integration of the British company into the German Aumund Group, it is placed on the market worldwide. Consequently, SamsonTM receiving units are now found in use all over the world.

With a financial investment that, according to Cemex, approaches £49 million, the company set an exclamation mark in Tilbury almost three years after the 100th anniversary of its foundation. The new cement grinding and blending plant at the Port of Tilbury in Essex is set to meet the demand for building materials, which is being generated by preparation for the Olympic Games 2012 in London, and by the continuing growth of the population in the city. Cemex’s investment is the largest in the UK cement industry for five years.

The new plant has the advantage of being served by road, rail and river. While clinker currently comes in by road, Tilbury´s deep-water wharf provides the flexibility to import 30 000 t shiploads. On-site barge loading facilities also enable deliveries made by river to London via a network of wharves. Flyash arrives at Tilbury by rail. This involves a multi-modal transport system (known as Iso-conveyors), which are a logistical and flexible alternative to traditional silos.

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