Page 45 - Industrial plants

issuing alarms when necessary. The central component of the solution is a purge and
With over 25 years of experience and thousands of pressurization system. The purge and pressurization
solutions delivered in the purge and pressurization system from the Bebco EPS® 6000 series product
systems field, Pepperl+Fuchs is a global provider of range protects the electronic components in the reactor
comprehensive solutions for hazardous environments. and the UV lights. To do this, the system automatically
The company offers design, engineering, manufacturing, establishes the necessary overpressure and monitors it
and final certification from a single source, anywhere in continuously. By purging with an inert gas, all ignitable
the world. Customers can rely on Pepperl+Fuchs to gases and vapors are reduced to a concentration that is
keep their project finances and timelines under control no longer explosive.
while providing fully certified ready-to-use solutions. The purge and pressurization system is supplemented
The International Maritime Organization (IMO) defined by an explosion-protected junction box and control
rules for ballast water management in a convention components. Pepperl+Fuchs offers pressure
adopted in 2004. Each ship must document its ballast measurement sensors, fill level sensors, temperature
water exchanges in accordance with the full requirements measurement sensors, and K-System junction boxes for
of the convention. In principle, there are two methods: intrinsically safe signal transmission. This customized,
One is to change the water at high sea. However, this internationally certified solution is ready for connection
technique is usually restricted due to weather influences, and comes in explosion-protected housing.
ship routes, or the design of the ship itself. The combined solution—made up of a purge and
Another method is to perform ballast water treatment pressurization system and an explosion-protected
processes on-board using mechanical, physical, or package solution—meets safety requirements and is
chemical methods. certified for worldwide use. This is a major advantage,
Filtering the ballast water and treating it with high as the ships do not simply travel the globe—they also
concentrations of UV light to kill organisms and microbes need to call at ports around the world, where they will
is an environmentally friendly method. An appropriate undergo repair or maintenance work. The self-
system with a UV reactor is installed, usually in the contained, automatic Ex system makes this the best
central pump room. This room is classified as solution for this specific application.
a hazardous area in oil tankers, floating oil production Pepperl-fuchs is collaborating with industry leading
platforms, and ships carrying combustible materials. ballast water treatment system providers in Europe with
High voltages are needed to operate the UV reactor, their system development, using advanced filtration and
Pepperl+Fuchs has developed a certified solution that cyclonic separation stage for the removal of large
combines a purge and pressurization system with organisms and sediment, in combination with an
other explosion protection equipments. This certified electrolytic cell for the production of free chlorine and
solution creates safe environments to operate high- the elimination of the remaining viable organisms.
voltage electrical equipment. This method contains ballasting and de-ballasting

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