Magnet and detector for cement plant

Eriez Europe has launched Atex rated Permanent Suspended Magnets and Metalarm Metal Detectors suitable for operation in some explosion risk or hazardous environments (Fig.1). In 1996 new European regulations were introduced for equipment used in potentially explo-sive atmospheres; referred to as ATEX 95 (EU directive 94/9/EC). This legislation laid down specific requirements for equipment used in potentially explosive environments resulting from the presence of explosive gases and combustible dusts (e.g. cement plants). The presence of accidental or tramp metal contamination is a common problem in cement plants and can cause serious damage to crushing equipment. Effective removal and detection is vital to maintain productivity. Eriez Suspended Magnets are used initially to remove any ferrous contamination from the product followed by an Eriez Metalarm Metal Detector that detects and alerts the customer to the presence of any non-magnetic metals, including manganese and stainless steel (Fig. 2).

 

At the company Christian Pfeiffer Maschinenfabrik GmbH of Liezen/Austria Eriez supplied a model CP20/80 Self Cleaning Suspended Permanent Magnet and a model Metalarm QM3500 BR Metal Detector, both certified as compliant with the requirements of equipment for installation in an Atex 22 (Dust) environment and for operation in a low ambient temperature - in this case down to minus 30° C. The combination of the suspended Magnet and Metal Detector is ideal both economically and functionally, protecting process equipment from tramp metal damage and thus saving the customer production losses due to downtime and with costly repair expense.

 

Eriez Magnetics Europe Limited, Bedwas/Caerphilly (UK), Tel.: +44 29 2086 8501, www.eriez.com

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