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August
2007 |
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Water Contamination
in Marine Vessels
The EASZ-1 will report water contamination in marine vessels from measuring
water contamination in diesel or fuel inlets to engines , engine lubrication
systems, gear lubrication, transmission and propeller systems.
The EASZ-1 online water in oil monitor can easily be retrofitted to existing
ship engine brands such as MAN B&W , Wartsila , Sulzer Diesel , MAK
, Caterpillar , Pielstick etc . The installation can be performed quickly
and with minimal interruption during scheduled maintenance. The unit is
“ship ready” being manufactured in all stainless steel 316,
CE compliant and protection to IP 66 . Built in temperature compensation
and choice of 5 water in oil ranges by jumper selection make it the monitor
of choice. Unlike older technologies that used trimming pots, there is no
longer a need to re-calibrate the circuit since the device uses state of
the art digitally based technology.
The most important system on a ship is the engine system. If the engine
system is damaged or does not operate correctly, the ship could pose a
serious danger to itself or other ocean-going vessels. For example, the
ship could go astray or even run aground on a reef. The type of engine
used most often for ships are Diesel engines such as MAN B&W , Wartsila
, Sulzer Diesel , MAK , Caterpillar , Pielstick etc. Diesel engines provide
higher horsepower, yet are easy to maintain, and save on fuel. Some of
the important parts of a diesel engine system are the fuel system, lube
system, water-cooled system, gears, transmission system, and propeller
system.
In order to ensure that the engine system works properly, the ship's
mechanic must keep track of many different parameters such as the temperature
of the engine, input/output pressure, tachometer, output horsepower, knots,
etc. All of this information must be sent to the control center for the
commander or operator to control and monitor the system. It is now possible
to monitor water in oil in many of these circuits by installing multiple
EASZ-1 online water in oil monitors. These monitors provide an additional
safety device . The data enables operators, QA/QC personnel and maintenance
companies to monitor contamination levels in any oil system. Water can
be considered a contaminent and detecting its presense is important for
many reasons.
When it comes to lubrication the quality of engine lubricating oil can
dramatically increase equipment reliability and life-time. One major form
of contamination in engine lube oils is water . Too much water and systems
that are not effectively maintained can effect bearings , rollers and
other rotating devices. Water contamination can also cause different problems
in different types of lubricating oil, although corrosion is always directly
associated with water ingress. Whatever the equipment, water can displace
the oil at contacting surfaces, reducing the amount of lubrication and
activating surfaces which may themselves act as catalysts for degradation
of the oil.
Too much water can be catastrophic is in many lube oil systems because
of its potential to cause failure via a number of mechanisms. Water contamination
can also clog fuel systems and initiate bacterial growth.
In highly loaded lubricated contacts, particularly where oil films are
thin (for example on gear teeth), water contamination can result in rapid
failure through localised or general breakdown of oil film conditions.
Alternatively, the mode of failure could be progressive resulting from
local or generalised corrosion of components within the systems and/or
through effects which impact on the functionality of the lubricant itself.
There are many potential sources of water contamination in any system
and experience operators will always be aware that these problems need
to be checked.
EESIFLO International has experienced personnel who can assist ship
owners and management companies in keeping check of water contamination
of any fuel or oil at any time of the day using its unique online water
monitoring systems.
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