How to reduce the replacement cycle of the security filter element?

How to reduce the replacement cycle of the security filter element?

Xinxiang Oudexin Filter Co., Ltd.           Date:2020-03-31


Common reasons for frequent replacement of security filter elements are:
(1) The water quality of the raw water is unstable and frequently fluctuates, resulting in too much particulate matter entering the filter element, resulting in shortened cycle;
(2) The effect of pretreatment is poor. The flocculants and scale inhibitors added to the pretreatment are incompatible with each other or do not match the water source. The formed sticky substance adheres to the surface of the filter element, resulting in a decrease in the effective filtration area of ​​the filter element and the replacement of the filter element. frequently;
(3) The quality of the filter element is not good. The inner and outer pore diameters of the poor quality filter element are basically the same. In fact, only the outer layer plays the role of interception. The filter pore diameter of a good filter element is gradually reduced from the outside to the inside. The innermost layer has a filtration accuracy of 5 ± 0.5. µm, the amount of pollutants is larger and larger, and the long time used can also ensure the quality of the effluent.
Measures to extend the life of the filter element:
(1) The water source is generally a fixed water source and cannot be easily changed;
(2) Improve the effect of pretreatment operation, optimize the dosage of flocculant and coagulant, select the scale inhibitor suitable for water source, adjust each pretreatment equipment to achieve the best operating state, and strictly follow the requirements of operating procedures to ensure the quality of pretreated effluent water qualified;
(3) Selecting a brand filter element with a guaranteed quality can not only extend the service life of the filter element, but also ensure the quality of the water from the security filter.

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