The importance of replacing 3M high-flow filter elements for power plants

The treatment of condensed water in power plants is inseparable from the water filter element. The key to playing a role is to replace the 3M high-flow filter element. How does it work? Whether it is groundwater or surface water, it may contain iron-aluminum colloids, silica gels, organic colloids and other colloids formed by additional additives. They may be deposited on the surface of the RO membrane, causing colloidal pollution and colloidal fouling, which will increase the system pressure difference, decrease the water production, decrease the desalination rate, and make it difficult to backflush. Therefore, in order to improve the performance of the RO membrane and increase the service life of the membrane, the RO system needs to be pre-filtered to remove large-size impurities and colloids in the raw water. Generally, the raw water should be filtered twice before the RO membrane: one is coarse filtration, which uses sand filtration or precipitation to remove large particles of impurities in the raw water; the other is prefiltration, that is, a security filter is used, and the raw water is removed with a filter element or a filter bag. Small and medium particle impurities. Instead of 3M high-flow filter element, it integrates polypropylene (PP) meltblown, fiber multi-composite and patent discounts and other advanced technologies, so that the maximum flow rate of a single filter element can reach 110t/h, giving the filter element high precision, high efficiency, high flow, deep layer Features such as filtering and long service life. The filter element has an absolute filtration accuracy of 99.9% in the range of 1~70μm. At the same time, the filter element adopts an'O' ring seal and a unique design of the draft tube, which can ensure the filtration efficiency and prevent side leakage. It replaces the 3M high-flow filter element with loose fiber structure, and the high porosity increases the containment of impurities. In addition, it has a deep three-dimensional filtering effect, which is a compound deep trap, that is, larger particles and impurities are trapped on the surface of the fiber, and fine particles are trapped in the deep layer of the filter material, so the filter efficiency of the filter element has a gradient effect. Judging from the filtration efficiency data of the replacement 3M high-flow filter element HF004 model, the HF004 filter element claims that the accuracy and filtration efficiency are 99.9% at 5μm, but in the test, the filtration efficiency of the HF004 filter element at 5μm is greater than 99.9%, and it is resistant to 3μm particles. The filtration efficiency is over 99.5%. This means that, in actual applications, replacing the 3M high-flow filter element can filter solid particles with a smaller accuracy than the declared accuracy. When choosing a boiler feedwater security filter, it is recommended to use a melt blower or other depth filter element with a rigid structure and high dirt holding capacity to achieve a good filtering effect. For some applications with high flow and high filtration accuracy, it is a better choice to replace the 3M high flow filter element. In addition, the operating cost of the filter is not determined by the price of the filter element but is measured by the cost-effectiveness of the entire filter system.

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