Must Watch these 6 recorded webinars if you are users of Critical Turbo Machinery

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Khashayar Hajiahmad, ??????, ?????? ??????, ??????, ??????

Business Development Manager - Middle East, Africa ?? 50,000 Followers

发布日期: 2023年5月16日
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Must Watch below webinars if you are users of Turbo Machinery

1.

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Treat your gas turbine lubricant as an asset. While gas turbine lubricant management is recognized as being essential, many programs lack the basic tools to maintain their lubricants within specification. Existing gas turbine lubricant management is typically reactive in nature and does not target the root cause of many lubricant and mechanical failures: varnish. This presentation considers a fundamental change in lubricant maintenance focused on improving performance and eliminating common issues for turbine owners. Turbine lubricant maintenance is essential to ensure the performance and reliability of critical rotating equipment. Turbine oil maintenance does not need to be challenging or complex; it simply needs to be effective. If you eliminate the cause of lubricant failures, asset reliability is assured and fluid operating life is extended. If maintenance accomplished both of these, cost savings are exponential. Treat your turbine lubricant as an asset, not a consumable, and learn how to manage that asset with the right tools.



2.

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Improved EHC Fluid Maintenance through Non-routine Testing Despite the critical nature of electro-hydraulic control (EHC) systems, many steam turbine operators’ EHC fluid testing programs fail to detect fine insoluble contaminants that are responsible for costly downtime and failures. With minor modifications, however, gas turbine oil tests can be made suitable for use in steam turbine EHC applications. A modified version of the industry-standard membrane patch colorimetry (MPC) test, in particular, allows for the identification of “hidden” contaminants that are often responsible for costly EHC failures. By exploiting MPC analysis to its full potential, this method can be used to qualify application-specific problems like varnishing and dieseling in addition to quantifying their severity. Once these previously “hidden” problems have been identified, effective EHC fluid maintenance practices can be developed so that steam turbine performance and reliability may be ensured.



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Restoration of Steam Turbine Oil Demulsibility Steam turbines are responsible for up to 80% of global electricity production. Because steam powers these units, ingression of water into steam turbine oils is a common concern. As the saying goes: “Oil and water don’t mix.” When they do, failures and costly downtime may result. A lubricant’s ability to separate from water (demulsibility) is, therefore, paramount to the generating steam turbines reliability. While turbine oils are engineered to readily separate from water, their ability to do so (demulsibility) often becomes impaired during service. The factors which impact demulsibility are many; fortunately, the solution to this problem remains the same regardless of its root cause. Indeed, well-engineered ion exchange-based treatment systems have shown considerable promise when it comes to the restoration of turbine oil-water separability. In addition to restoring demulsibility, these resins also allow for the removal of oil breakdown products (varnish etc.) which present a further challenge to power generators

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The Soluble-Insoluble Turbine Lubricant Varnish Equilibrium Turbine lubricant varnish is produced by breakdown of hydrocarbon lubricants. Its deleterious impact on equipment performance and reliability is well-documented. Varnish has traditionally been defined as an insoluble deposit, however, it also exists in an often-overlooked soluble state. While soluble varnish forms as the result of an irreversible chemical reaction, the conversion between soluble and insoluble varnish is often a physical process; importantly, this process is reversible. Like other interconvertible states of matter, the relative amount of soluble and insoluble varnish in a system is dictated by a dynamic equilibrium. Numerous oil treatment strategies have been developed to mitigate the harmful effects of varnishing. In order to be successful, these strategies must address the effect that their use will have on the soluble-insoluble varnish equilibrium. Most rely on filtration, which focuses on the removal of insoluble varnish particles. Unfortunately, these systems have little impact on varnish’s soluble form; once they remove insoluble varnish, soluble varnish persists and will re-establish an equilibrium leading to the formation of new particles/deposits. Filtration, therefore, addresses only half of the varnish problem. Resin-based soluble varnish removal (SVR?) systems are engineered to remove dissolved varnish at the molecular level. As the soluble-insoluble varnish equilibrium is re-established, insoluble varnish then begins to re-dissolve. SVR systems exploit the soluble-insoluble varnish equilibrium and provide a total solution by removing both varnish states. Their use can, therefore, mitigate the risks associated with lubricant breakdown.


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Unique aspects, testing and maintenance

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Connect the dots between critical rotating equipment lubricant condition monitoring and truly effective maintenance. When it comes to critical rotating equipment, lubricant condition monitoring and effective maintenance are essential. Unfortunately, many operators recognize that lubricant condition monitoring is vital to their maintenance program but do not fully understand their oil analysis results. As a result, reports often leave end-users with more questions than answers. Subject Matter Expert, Dr. Matt Hobbs, shares his secrets for lubricant condition monitoring in the below webinar.

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