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Lubricating Oil Analysis Report

Sample Report:

Explanation:

The lubricating oil analysis is to verify that a lubricated machine is operating according
to expectations. When an abnormal condition or parameter is identified through oil
analysis, immediate actions can be taken to correct the root cause or to mitigate a
developing failure, like in the picture; there have specific problem in the result that
found abnormal.

Abnormal Found: Wear Metals, Contaminant Metals, and Additive Metals


Ways to take lubricating oil sample:

Pressurized Line

Figure 1. Pressurized Line

Sampling a pressurized line on an engine is fundamentally equal to sampling a


pressurized line on any industrial forced lube system, and is the preferred method for
engine oil sampling (Figure 1).

Through the use of a pump, the lubricant is drawn from the sump and pushed through a
filter, where it is then delivered to the required lubrication points. The goal is to
install sampling hardware in the live zone at a turbulent point located past the pump
and before the filter.

When sampling is required, the hardware is utilized while the system is in operation
creating a representative, repeatable sample. Installing sampling hardware is
beneficial to maintaining a closed system whereby the sample can be extracted
without opening the system and compromising its cleanliness from exterior elements.

Drain Port Engine Oil Sampling

Another common sampling method involves capturing a sample of oil as it drains from
the sump. The theory is that by capturing the sample midstream, after purging a large
volume of oil (40 to 50 percent) from the sump prior to filling the sample bottle, the
sample taken more closely resembles a sample representative of the system.

One problem associated with this engine oil sampling procedure is the difficulty of
extracting the sample. A special accessory has been adapted to make this procedure
easier, cleaner and more reliable (Figure 3).
Figure 3. Drain Sample Kit

Lubricant quality scanning tests:


Gear Lubricants Testing

Regular lubrication is required to maintain optimal


performance in equipment & machinery yet serious
lubrication problems are widespread. The results driven
solution to this lubrication problem epidemic are polymer
infused lubricants and a systematic approach to the
maintenance program.

Typically, petroleum lubricant formulations contain forty to sixty carbon atoms. Polymer
infusion bumps this carbon profile up to 400 to 4000 atoms, which creates a stronger,
longer chain of atoms. This longer chain produces many benefits that standard
petroleum lubricants cannot provide not the least of which is the ability to reduce or
completely stop leaks, even around worn seals, which extends the greasing/lubricating
cycle.

Due to this long chain, we see robust useful life of between 3 to 5 times that of typical
conventional lubricants plus a considerable reduction in friction and heat. This reduction
of friction plays out in another way as well, reducing the energy required to operate the
machinery or equipment. We have seen a reduction of up to 15% in running amperage
in some cases.
Lubricant Quality Scanning

Monitoring lubricant condition and quality helps protect


expensive large engines and equipment from costly failure
and downtime.

Shipping, maritime, offshore, and others depend upon


Intertek’s Ship Care lubricant quality scanning (LQS)
services to ensure the integrity of their lubricants and
operating systems.

With over 25 years of experience, Intertek goes beyond simply supplying test data; we
provide important service recommendations based on the test data obtained from our
laboratory analysis. Lubricant testing data, collected over time, identifies and tracks
potential problems related to trends in engine and parts wear, based on the composition
and amounts of contaminants found, providing an early-warning system to help avoid
costly engine shutdowns.

When interpreting the lubricant analysis, Intertek data consultants look closely at critical
parameters, providing essential information that will save costly downtime and
emergency repairs. Intertek oil condition monitoring technical consultants offer
guidance, explain test results, discuss maintenance history, and suggest corrective
actions when needed.

Lubricant Qualification Testing

Lubricants is one of the largest independent lubricating oil brands in


Europe. Lubricants produces and markets a comprehensive selection of
high quality lubricants and specialties, which find their way in a wide
range of applications. The products are developed and produced by
specialists who can choose from a wide variety of base oils and additives, to obtain
lubricants meeting the latest standards of the Original Equipment Manufacturers (OEM’s)
and International Standardization Committees.

Lubricants are all produced in one of the largest and most sophisticated lubricant
blending plants in the Netherlands. This blending plant with its annual production
capacity of 130.000 Metric Tons of finished lubricants has a base oil storage capacity 17
million liters, more than 60 tanks for the storage of finished products and several
warehouses for storing packaged products.
Oils and Fluids Testing

The oil analysis report we received from our


lab showed elevated levels of sodium and
potassium in our engine oil. This oil has also
become significantly thicker. What could
be causing this to occur?

There are multiple sources for the sodium


found in your diesel engine oil. Based on
your operational environment and equipment type, you should be able to narrow this
down to a smaller list of causes. Potential sources of sodium include coolant, salt water,
additives, grease thickener, base stocks, dirt and road salt.

On the other hand, potassium has only one real major source when found in engine oil
— antifreeze. Other key elements that you will want to look for are boron, chromium,
phosphorus and silicon. All of these elements are associated with antifreeze and, if found
in engine oil, can be an indicator that you have a coolant leak.

Wear Metals Testing

Wear metals testing in lubricants, oils and other machine


fluids helps clients avoid expensive damage and
downtime to high value engines, gears, generators,
turbines and other important equipment.

Early detection of wear metals in lubricants and greases


improves machinery reliability, especially if done as part of a professional oil condition-
monitoring program.

Intertek wear metals testing detects the presence of suspected metal wear
contamination, down to parts per million range (ppm), and is an early warning for
impending machinery damage or failure.
Machineries that require Samples:

Circulating Oil Systems

Larger volumes of oil for high-speed machinery are commonly supplied from an
independent reservoir with its associated piping system, cooler and filters.

Figure 2. Circulating Oil System Arrangement2

Figure 2 illustrates a typical oil system arrangement with oil from a reservoir being pumped
through a filter, cooler, and piping to the lubricated machine components before
draining back to the reservoir. Useful information for determining reservoir capacity and
pump requirements, filter type and oil dwell time for various applications is summarized in
Table 1.

Table 1. Circulating Oil System Characteristics


Sizing the reservoir. The volume of the oil reservoir should take into consideration the total
feed to all bearings, gears, controls and other machine elements multiplied by the oil
dwell time. For instance, allowing a five-minute dwell time for separation of entrained air
and contaminants, a 1,000gpm oil feed to bearings for a turbine-generator would call for
a 5,000-gallon reservoir (Table 1).

In sizing the reservoir, it is also advisable to add one minute of dwell time to
accommodate thermal expansion, foaming and air venting. A longer dwell time is
generally required when dealing with water separation and more extensive
contaminants, for example in pulp and paper or steel mills. In applications where space
and weight are restricted, such as in aircraft and automobile engines, the reservoir may
be simply the machine sump and the oil dwell period reduced to 60 seconds or less.

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