Cement
Attracted to the challenge
Eriez explodes onto ATEX scene with 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. This
development expands the product range, providing companies
with solutions for metal contamination problems in the most
arduous of environments.
In 1996 new
European
regulations were
introduced for
equipment used in
potentially
explosive
atmospheres;
referred to as ATEX rating was was 22 (Dust). This meant that there would be
ATEX 95 (EU a potentially explosive atmosphere arising from the presence of
directive 94/9/EC). combustible dust, although this was not expected to occur in
This legislation laid normal operating conditions and/or would only occur infrequently
down specific and for short periods. Any equipment being installed on the site
requirements for equipment used in potentially explosive had to comply with this ATEX specification. To make the
environments resulting from the presence of explosive gases application even more challenging, the equipment for the site
and combustible dusts (e.g. cement plants). also had to be suitable for an ambient working temperature of
Eriez was contacted by company Christian Pfeiffer down to minus 30 degrees Celsius.
Maschinenfabrik GmbH of Liezen, Austria Eriez took up the challenge and supplied a model CP20/80 Self
(www.christianpfeiffer.de) with a request for metal separation Cleaning Suspended Permanent Magnet and a model Metalarm
and detection equipment for installation in a cement plant. The QM3500 BR Metal Detector, both certified as compliant with the
presence of accidental or tramp metal contamination is a requirements of equipment for installation in an ATEX 22 (Dust)
common problem in cement plants and can cause serious environment and for operation in a low ambient temperature.
damage to crushing equipment. Effective removal and detection The combination of the suspended magnet and metal detector is
is vital to maintain productivity. Eriez suspended magnets are ideal both economically and functionally, protecting process
used initially to remove any ferrous contamination from the equipment from tramp metal damage and thus saving the
product followed by an Eriez metalarm metal detector that customer production losses due to downtime and with costly
detects and alerts the customer to the presence of any non- repair expense.
magnetic metals, including manganese and stainless steel. For more information contact Eriez Europe on tel: +44 (0)29
At the proposed installation location for this equipment the 2086 8501 or visit:
www.eriez.com
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