As an important system of the steam turbine, the state of the pump inlet filter element of the high-pressure oil station directly affects the cleanliness of the oil quality and the stability of the system. Today, we will take the 0110D-005BN-3HC inlet filter element as an example to explore how to formulate an effective filter element replacement plan to ensure the stable operation of the high-pressure oil station.

The main function of the high-pressure oil station pump inlet filter element 0110D-005BN-3HC is to filter impurities in the oil and prevent these impurities from entering the system, thereby protecting the equipment from wear and corrosion. Blockage or failure of the filter element will lead to reduced oil flow, pressure drop, and even system failure. According to statistics, about 90% of hydraulic system failures are caused by system contamination. Therefore, formulating and implementing an effective filter element replacement plan is crucial to ensure the stable operation of the steam turbine high-pressure oil station.

Determination of filter element replacement cycle

1. Replacement based on operating time

Under normal circumstances, hydraulic filtration equipment needs to replace hydraulic oil and filter elements after 2000 hours of operation. However, for specific filter models, such as 0110D-005BN-3HC, the replacement cycle may need to be adjusted according to the actual operating conditions and oil quality. In harsh environments (such as high altitude, low temperature) or when the equipment load is large, the replacement cycle of the filter element should be shortened accordingly.

2. Replacement based on differential pressure monitoring

Differential pressure monitoring is an effective means of evaluating the status of the filter element. When the pressure difference on both sides of the filter element exceeds the maximum value recommended by the manufacturer, it usually indicates that the filter element is clogged and needs to be replaced. For the 0110D-005BN-3HC filter element, it is recommended to install a differential pressure transmitter, which will automatically alarm when the differential pressure reaches the set threshold, reminding the operator to replace the filter element in time.

3. Regular testing and evaluation

In addition to replacement based on operating time and differential pressure monitoring, the oil should also be regularly tested and analyzed to detect parameters such as oil color, viscosity, odor, etc., as well as oil pressure and air humidity. In special cases, such as using low-grade steel power plant hydraulic oil or diesel with high sulfur content, the replacement cycle of the filter element should be further shortened.

When replacing the filter element, you should strictly follow the operating procedures to ensure that the filter element replacement work is carried out smoothly. Especially when removing the old filter element, you should be careful to avoid splashing the oil in the filter element. If the filter element is large or there is a lot of oil, you can use a splash guard. At the same time, clean the filter element seat, sealing gasket and other related parts to ensure that there are no impurities left. In addition, after replacing the filter element, when adding new lubricating oil, pay attention to the oil level to avoid too high or too low to affect the normal operation of the equipment.

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