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12 – Pump Repairs.

This fragment shows in more detail the reduction in failures when mist lubrication is applied. Two similar plants with about 200 pumps each are compared. In one plant, the conventional oil bath lubrication method is used, and in another plant, mist lubrication is used. The number of repairs is much lower in the plant where mist lubrication is used. The reduction is approximately 90%, without a doubt, a very important benefit.

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11 – Oil Mist Lubrication Benefits

Here we summarize the benefits of the technology, or the value that it brings to users.

Although there are multiple benefits, Heinz Bloch highlights 4 here, which we consider to be the most important.

  1. Reduction of repairs and failures. It is important to note that an unscheduled intervention to repair a centrifugal pump in the Oil & Gas Industry can have very high costs, related to materials, labor, production and others.
  2. Reduction of Labor. Being a completely automatic system, the labor allocated to conventional lubrication tasks can be reduced, redirecting these activities to others with greater added value.
  3. Reduction of oil consumption. A closed mist lubrication system will provide improvements in lubricant consumption, providing economic and sustainability benefits.
  4. Improvements in safety. By applying mist lubrication, and reducing the frequency of failures, the possibility of having a plant fire is also reduced. Even insurance companies value the use of this technology positively, impacting on the reduction of plant insurance premiums.

You can leave your comments here, visit our webpage at https://sicelub.com/en/solutions-sicelub-lubritech-group/#tab-id-1 , or asking for more information to our email info@sicelub.com

 

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10 – Functions of lubricant. Protection against corrosion.

In this video, we will delve into another of the lubricant’s functions and how it is improved by moving from oil level to mist lubrication.

We analyze in detail the function of protecting against corrosion. This function is greatly improved when mist lubrication is applied, since when using oil bath or level; there is poor protection against corrosion in the pump’s internals. We know that, due to ambient temperature changes between day and night, air passages occur to and from the inside of the machine. The oil level only protects to the extent that it is present, and a large part of the pump’s internals are exposed to the passage of air with humidity, dust, or chemical agents. On the other hand, when mist lubrication is installed, all internals are impregnated and protected against corrosion. In addition, the internal positive pressure that is produced prevents any entry of external agents into the tribological system, greatly improving this lubricant function.

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09 – Functions of lubricant. Cooling

In this video, we will delve into another of the functions of lubricant and how it is improved when
moving from oil level to oil mist lubrication.

We analyze in detail the function of cooling or removing heat. The differences between both lubrication
methods are notable, as far as the function of removing heat is concerned. In the oil bath or level, there
is the problem that part of the machine’s power must be used to “move” the oil in a liquid state. The
dissipation of this heat is slow. When oil mist lubrication is applied, and the need for the oil bath is
eliminated, liquid friction is directly eliminated. If, in addition, we consider that the oil mist enters the
system between 16 and 20 Celsius degrees of temperature; a better effect of dissipation of the
generated heat is also produced. These two effects result in temperature decreases of 10 °C on average,
and energy savings when moving from oil level to mist lubrication.

You can leave your comments here, visit our webpage at https://sicelub.com/en/solutions-sicelub-
lubritech-group/#tab-id-1 , or asking for more information to our email info@sicelub.com

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08 – Lubricant Functions. Particle Removal.

In this video, we are going to delve into another of the lubricant’s functions and how it is improved by moving from oil level to oil mist lubrication.

We analyze in detail the function of removing particles. When we have an oil bath, it is easy to notice that any dirt or wear particles present will remain suspended in the oil bath, and there is no possibility of them being eliminated. The presence of these particles will cause abrasive wear of the bearings. In the case of oil mist lubrication, since there is a permanent flow of oil mist entering and leaving the system, it is easy to notice that any dirt or wear particles present will be expelled outside the tribological contact zone. A common example is to compare the situation of taking a daily immersion bath, always using the same water, which periodically becomes dirty; with the situation of changing the above for a fresh shower with clean water, a situation that is undoubtedly much more effective and common.

The process that would be quite strange for a daily personal hygiene situation; It is widely accepted in the industry when it comes to bearing lubrication. Undoubtedly, an opportunity for significant improvement.

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07 – Functions of lubricant. Lubrication

In this video, we will delve into one of the functions of lubricant and how it is improved by moving from oil level to oil mist lubrication. Lubricating oil has different functions, among the most important we highlight lubricating, cleaning or removing particles, cooling, and protecting against corrosion.

We analyze the lubricating function in detail. While in the oil bath or level, this function is only fulfilled in a pump in operation; when the oil mist is applied, lubrication is achieved both in pumps in operation, as well as in pumps on standby. In an oil bath, we depend on the ring or disc to deliver lubricant to all the internal parts of the pump. In the oil mist, all the internal parts of the pump will be always impregnated with oil, optimizing the lubricating function.

You can leave your comments here, visit our webpage at https://sicelub.com/en/solutions-sicelub-lubritech-group/#tab-id-1 , or asking for more information to our email info@sicelub.com

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06 – Stray Mist.

Here we will discuss the possibility of dispersed or stray mist during the application of the technology. Although there are completely closed mist lubrication systems, some applications were carried out with open systems, and it is possible that there is stray mist in the environment during the application. It is very important to note that there is an OSHA regulation that indicates that an operator working 8 hours straight cannot be exposed to more than 5 mg of mist per cubic meter of air.

In open systems, mist lubrication systems have a concentration much lower than that limit; and in Oil & Gas applications, there is never the situation of an operator working 8 hours straight on a pump with mist lubrication.

It is important to note that stray mist does not cause any problem and complies with the requirements of OSHA regulations.

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05 – Oil Mist Application to each equipment

This fragment shows in detail how oil mist is applied to the different bearings of centrifugal pumps. The mist that is transported by the main header reaches a manifold, from where different tubings can be derived with application to different points. In these derivations, reclassifiers are installed, which are devices specially designed to significantly increase the particle size of the mist; from about 3 microns up to 10 microns; and also to dose the appropriate amount of oil mist, according to the type of bearing; in order to provide the right amount of lubricant.

In the lower part of the graph, you can see how the mist is collected after having been lubricated, and it can be collected and recirculated again.

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04 – Oil Mist Lubrication Systems

In this video we can see in a summarized way what a mist lubrication system is like. We see the Oil Mist Generator Console, which is a cabinet with an oil tank, and two mist generators, one main and one auxiliary. This console has no moving parts to generate the mist; and it only works with instrument air and lubricating oil, generating a mixture of 200,000 parts of air to one of oil, which is then conducted through a pipe to the different application points.

Oil mist is transported through a main header, and in each equipment, it is applied by special dosing devices to each bearing of the pumps. After the mist is applied, it is collected by a system that condenses the oil again and it is returned to the console to be reused, forming a completely closed system.

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03 – Why pumps fail?

In this video we will see what the root causes of failures in centrifugal pumps are.

Failures due to bearings and mechanical seals are the most important as contributors to negatively impacting the reliability of centrifugal pumps. Within the failures due to bearings, the greatest impact is the presence of particles in the lubrication. Throughout the next videos, we will see how oil mist lubrication manages to solve the problem of the presence of particles in the lubricant, which causes the greatest number of failures due to bearings. We will also see that failures classified as caused by “mechanical seals” are also reduced.

In summary, and as we mentioned in the previous post, the MTBF of centrifugal pumps is greatly improved when oil mist lubrication is applied.

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