In thermal power plants, the purity and performance of turbine EH oil are crucial to the stable operation of the equipment. As a key component in the EH oil regeneration system, the ion resin exchange filter DRF-9002SA has high acid removal capacity and the function of improving the resistivity of oil products, which ensures the long-term stability of oil products and the safe operation of equipment. However, in order to ensure that the filter element continues to work efficiently, reasonable maintenance and care are essential. The following are some maintenance matters that need to be paid attention to during the use of the DRF-9002SA filter element.

1. Regularly test the filter element performance

Acid value monitoring: Regularly monitoring the acid value of EH oil is an important indicator for evaluating the performance of the filter element. When the acid value begins to rise, it may mean that the acid removal capacity of the filter element has decreased, and the filter element needs to be replaced in time.

Resistivity inspection: Resistivity is a key parameter reflecting the insulation performance of EH oil. Regularly checking the resistivity of oil products can indirectly evaluate the purification effect of the filter element on oil products.

2. Replacement and cleaning of filter elements

Timely replacement: According to the use of the filter element and system requirements, a reasonable replacement cycle should be formulated. When the filter element reaches the end of its service life or its performance is significantly reduced, it should be replaced in time to avoid affecting the quality of the EH oil.

Cleaning and maintenance: Although the DRF-9002SA filter element is designed as a dry ion exchange, which reduces the need for water treatment, certain impurities may still accumulate during long-term use. When replacing the filter element, the filter element seat and surrounding components should be cleaned to ensure that no impurities remain.

3. Oil temperature and flow control

Oil temperature management: Ensure that the temperature of the EH oil when the filter element is working is within the allowable range of the resin material. Too high or too low oil temperature may affect the exchange efficiency of the resin and the service life of the filter element.

Flow control: A reasonable oil flow rate helps the filter element to fully exert its acid removal effect. Too large or too small flow may cause the filter element to degrade or fail prematurely.

4. Storage and installation

Storage conditions: The filter element should be stored away from adverse environments such as direct sunlight, high temperature and high humidity to prevent performance changes in the resin material.

Correct installation: When installing the filter element, ensure that the seal between the filter element and the filter element seat is good to avoid oil leakage. At the same time, install the filter element correctly according to the instructions in the operating manual to avoid damaging the filter element or affecting its performance.

5. Regularly check the system

System inspection: In addition to the maintenance and care of the filter element itself, other components of the EH oil regeneration system, such as the oil pump, filter, cooler, etc., should also be regularly checked to ensure the normal operation of the entire system.

Record and analysis: Establish system operation and maintenance records and regularly analyze data to promptly discover and solve problems.

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