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Analysis of Meltblown Filter Cartridge Filtration
TANVI2024-09-18 TANVI433
Melt blown filter cartridge, also known as melt blown PP cotton filter cartridge, is a filtering material made from non-toxic and odorless polypropylene (PP) as raw material, through processes such as heating, melting, spraying, pulling, and receiving molding. The following is a detailed analysis of the filtration performance of melt blown filter cartridges:


1、 Filtering principle


The melt blown filter cartridge is made using melt blown technology, which heats polymer materials to a molten state and then forms fibrous structures through high-speed spraying. These fibrous structures are arranged and solidified according to certain rules to form a filter cartridge with dense pores. During the filtration process, when water or liquid passes through the melt blown filter element, impurities such as particles, suspended solids, organic matter, etc. are intercepted and adsorbed by the fiber structure in the filter element, thereby achieving the purpose of purifying water quality or liquid.


2、 Filtering characteristics


High precision filtration: The melt blown filter element has a dense pore structure, which can effectively intercept small impurities, with high filtration accuracy, and can meet the filtration requirements of different water qualities or liquids. Its filtering accuracy range is wide, ranging from 1 micron to 100 microns, and can be selected according to actual needs.


Strong dirt absorption capacity: The fiber structure of the melt blown filter element has a large specific surface area, which can adsorb and contain a large amount of impurities, thus having strong dirt absorption capacity and long service life.


Good chemical stability: Polypropylene material has good chemical stability and can withstand corrosion from various acids, alkalis, and organic solvents. Therefore, melt blown filter cartridges can maintain stable filtration performance in various chemical environments.


High safety: The raw materials of the melt blown filter cartridge are non-toxic, odorless, free of harmful substances, and do not produce other chemicals during the production process. Therefore, the filtered water or liquid has high safety and can be directly used in drinking water, beverages, and other products.


Energy saving and environmental protection: Melt blown filter cartridges require low water pressure and do not generate wastewater, thus saving energy and water resources during use, meeting environmental protection requirements.


3、 Application Fields


Meltblown filter cartridges are widely used in multiple fields, including but not limited to:


Water treatment: used for filtration treatment of drinking water, industrial pure water, electroplating solution, oilfield water injection, etc., to improve the purification effect of water quality.


Food and beverage: used for filtration treatment in the production process of alcoholic beverages, dairy products, etc., to ensure the hygiene and quality of the products.


Pharmaceutical industry: used for pre filtration treatment of various injections, liquid medicines, and injection bottle washing water to ensure the purity and safety of drugs.


Electronics industry: used for pre filtration treatment of pure water and ultrapure water, providing high-quality water for the production of electronic products.


Chemical industry: used for filtering various organic solvents, acids, and alkaline solutions to protect the safety of production lines and workers.


4、 Precautions for use


Choose the appropriate filter element: Select the appropriate melt blown filter element based on the requirements of the medium to be filtered, filtration accuracy, and usage environment.


Correct installation: During installation, ensure that the interface between the filter element and the pipeline or equipment is well sealed to avoid leakage.


Regular replacement: The melt blown filter element will gradually become clogged during use, and the replacement cycle should be determined based on actual usage and medium properties to avoid filter failure caused by prolonged non replacement.


Maintenance: Regularly clean and maintain the filter element to extend its service life and maintain the filtering effect.


Above all, melt blown filter cartridges have been widely used in multiple fields due to their high precision filtration, strong pollutant holding capacity, good chemical stability, high safety, and energy-saving and environmental protection characteristics. During use, attention should be paid to selecting suitable filter cartridges, installing them correctly, regularly replacing and maintaining them to ensure their filtration performance and service life.