What are the cleaning methods for pleated filter elements?

There are also certain principles when selecting chemicals in the chemical cleaning process of the pleated filter element. First, no chemical reaction can occur with other materials of the filter element and components; second, the selected drugs prevent secondary pollution. Here are a few of them: 1. Oxidant cleaning agent: Use 1%~3% H2O2, 500~1000mg/L NaClO and other aqueous solutions to clean the ultrafiltration filter element, which can remove dust and kill bacteria. H2O2 and NaClO are commonly used fungicides. 2. Acid solution cleaning: Commonly used solutions are hydrochloric acid, citric acid, oxalic acid, etc. The pH of the solution is 2~3. Use cycle cleaning or soak for 0.5h~1h and then cycle cleaning, which has a better effect on removing inorganic impurities. 3. Alkaline solution cleaning: The commonly used alkalis are mainly sodium hydroxide, potassium hydroxide and sodium carbonate. The pH value of the alkaline solution is also determined by the type of filter element material. Generally, it is around PHu003d10~12. Use water circulation operation to clean or soak for 0.5h~1h and then cycle cleaning, which can effectively remove impurities and grease. 4. Enzymatic detergents: such as 0.5%~1.5% pepsin, trypsin, etc., are useful for removing protein, polysaccharide, and oil pollutants. Susenyuan company is located in Liaobu Town, Dongguan City, Guangdong Province, specializing in the production of filter elements | Folded filter elements | PP Meltblown filter element | Wire wound filter element | absorbent cotton filter element | Water filter element | PP filter element | Sewage filter element | Microporous filter element | Filter name 10 inches 20 inches 30 inches 40 inches, customized according to demand. Filter element length 254mm 508mm 762mm 1016mm Processing flow (t/h) 0.3 0.6 0.9 1.2 Filtration area (m2) 0.5 1.0 1.5 2.0 Filter element specifications Polypropylene membrane (PP), nylon membrane (MO), polyvinylidene fluoride membrane (PVDF), Polytetrafluoroethylene membrane (PTFE) filter element interface common flat mouth, 222 insert, 226 snap-in filter accuracy (m micron) 0.1, 0.22, 0.45, 1, 5, 10, 20, 30, 50 filter element diameter (mm) outer diameter 69 Inner diameter 28~30 filter element maximum pressure (MPa) 0.3 (at 50°C) differential pressure (kg/cm2) Replacement differential pressure 1.03, maximum differential pressure 2.41 (at 25°C) maximum temperature PP (70°C), MO (90°C) ), PVDF (90℃), PTFE (90℃) Note: Steam sterilization time is half an hour, and the maximum temperature is 120℃

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