In the operation system of power plant steam turbine, the stable operation of the anti-oil system is crucial to the efficient and safe operation of the steam turbine. As the core component of anti-oil filtration, filter element AP3E301-02D03VV/-W is responsible for maintaining the purity of anti-oil. Its performance directly affects the reliability and service life of the entire steam turbine system.

Excellent filtering performance

Filter element AP3E301-02D03VV/-W has an impressive 3μm filtration accuracy, which means it can accurately intercept extremely small impurity particles in anti-oil. Whether it is metal debris generated by wear of mechanical parts during normal operation of the equipment, or solid particles and colloidal substances generated by oil oxidation, pollution, etc., it is difficult to escape the filtering “net” of this filter element. After filtering, the cleanliness level of the fire-resistant oil can reach NAS7 at the lowest level, which greatly improves the purity of the oil and provides a solid guarantee for the stable operation of the turbine fire-resistant oil system.

Working principle

The filter element is usually installed at the outlet of the EH oil main pump. When the fire-resistant oil flows into the filter element at a high flow rate under the strong pressure of the main pump, the filter element begins to filter efficiently. First, the larger particles of impurities will be initially intercepted by the coarse filter structure on the outer layer of the filter element to prevent them from entering the subsequent fine filter area, thereby effectively reducing the burden of the fine filter layer and extending the overall service life of the filter element. Then, the oil enters the fine filter area composed of high-quality filter materials. Here, relying on the microscopic pore structure and surface adsorption of the material, tiny impurities larger than 3μm are captured one by one, ensuring that the fire-resistant oil flowing out of the filter element reaches a highly pure state, thereby protecting the downstream system components from impurities.

Structural design

In terms of structural design, the filter element AP3E301-02D03VV/-W adopts an internal reinforced stainless steel skeleton. This design not only provides a solid support for the entire filter element, enabling it to withstand the impact of fire-resistant oil under high pressure, and is not easy to deform, ensuring the structural stability of the filter element during long-term use; at the same time, the stainless steel material itself has good corrosion resistance, can adapt to the complex chemical environment of fire-resistant oil, and effectively prolongs the service life of the filter element. In addition, the folding design of the filter element greatly increases the filtration area, achieving higher filtration efficiency in a limited space, so that more fire-resistant oil can be processed per unit time, meeting the needs of large-scale production in power plants.

Material selection

The filter element uses high-quality materials such as glass fiber from CSG Institute and imported glass fiber. These materials have high permeability, and while ensuring the smooth passage of fire-resistant oil, they have excellent filtration efficiency and can effectively intercept tiny impurities. At the same time, the glass fiber material also has excellent chemical stability, can withstand various chemical components in fire-resistant oil, and is not easy to react chemically with fire-resistant oil, thereby ensuring the stability of the filtration performance of the filter element during long-term use. In addition, the sealing part of the filter element uses special sealing materials to form a reliable sealing structure, which effectively prevents the leakage of unfiltered fire-resistant oil and ensures the reliability of the filtration effect.

Application scenarios

In the anti-fire oil system of steam turbines in power plants, the filter element AP3E301-02D03VV/-W plays an irreplaceable role. It can effectively maintain the cleanliness of anti-fire oil, reduce the wear of impurities on various precision components in the system, such as oil motors, servo valves, etc., reduce the probability of component failure, and thus extend the overall service life of the equipment and reduce equipment maintenance and replacement costs. At the same time, stable oil quality also helps to improve the adjustment accuracy and response speed of the steam turbine, ensure that the steam turbine can operate stably and efficiently under various working conditions, and provide strong support for the continuous and reliable power supply of the power plant.

In summary, the filter element AP3E301-02D03VV/-W has become an ideal choice in the field of anti-fire oil filtration of steam turbines in power plants with its excellent filtering performance, scientific working principle, sophisticated structural design, high-quality material selection and wide application value, and escorts the safe and efficient operation of power plants.

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