The stator cooling water filter element WFF-125-1 is a type of PP string wound filter. But it is not like ordinary string wood filter cartridge because it is used in the stator cooling water system in hydrogen-cooled generators.
The reason is related to the significance of the stator cooling water. The generator stator cooling water is the highest water quality requirements in power plants. Generally, the PH value of stator cooling water is 7-9, and the water hardness is<10 μ G/L, water conductivity (@25 ℃) ≤ 1.5 μ S/cm. To ensure the generator stator runs in safety temperature, the stator cooling water must be provided at satisfactory temperature, flow, pressure, quality and purity.
That's why the generators need this special stator cooling water filter element WFF-125-1. It helps to provides qualified cooling water to ensure the temperature rise of the generator meets the design requirements.
The filter element WFF-125-1 is made of polypropylene superfine fiber by hot-melt entanglement. The special winding produces a huge diamond shaped frame, which greatly improves the smoothness of water flow. In some applications, the service life has increased five times. Therefore, the liquid is filtered with high flow rate and high efficiency, thus reducing the total cost and the cost of designing the filtration process.
Filter element WFF-125-1 is installed in water filter MSL-125 of 300MW or 600MW steam turbine generator unit. Dongfang Yoyik provides the filter element of stator cooling water, which plays a very important role in the filtering system and can ensure the water cleanness. It has excellent performance in terms of flow, dirt retention capacity and durability.
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