DATE:2024-10-12Number of views: Source:LEFILTER
introduction:
High flow filter cartridges play an important role in modern industrial and daily water filtration treatment, with a wide variety of types that can be classified according to different standards. The following is a common classification introduction for high flow filter cartridges
Classified by filter material:
1. PP (polypropylene) filter cartridge:
Characteristics: PP filter element is a common type of high flow filter element. It has the advantages of small pressure difference, strong pollutant carrying capacity, low cost, and wide chemical compatibility. The filtration accuracy range is usually between 0.1 microns and 60 microns, which can meet various filtration needs. The connection between the filter end cap and the overall structure adopts hot melt bonding, which has good sealing performance and is not prone to leakage problems.
Application scenarios: Suitable for various water filtration scenarios, such as initial filtration of household water and industrial water. In some situations where high filtration accuracy is not particularly required but high flow water needs to be processed, PP high flow filter cartridges are widely used. For example, cooling water filtration in industrial production, purification treatment of general industrial water, etc.
2. PES (Polyether Sulfone) filter cartridge:
Features: PES filter has excellent high temperature resistance, acid and alkali resistance, good membrane hydrophilicity, high flux, and uniform pore size distribution. Each filter tube is washed with high-purity water, ensuring high reliability and stability in filtration.
Application scenarios: Mainly used for terminal filtration of drugs and biological products with high water quality requirements, as well as industrial filtration scenarios with high temperature and chemical stability requirements. For example, filtration of raw materials in the pharmaceutical industry and liquid filtration in the production process of biological products.
3. PTFE (polytetrafluoroethylene) filter cartridge:
Features: PTFE filter element has natural hydrophobic properties, can absolutely sterilize under both wet and dry conditions, has high gas flux, excellent high temperature resistance and corrosion resistance. It has high filtration accuracy and can effectively remove small particles and impurities.
Application scenarios: Commonly used for high demand sterile air intake filtration and high-purity gas filtration, such as gas filtration in the electronics industry and sterile air filtration in the pharmaceutical industry. In some industrial applications that require filtering high-temperature, corrosive gases or liquids, PTFE high flow filter cartridges also play an irreplaceable role.
4. PVDF (polyvinylidene fluoride) filter cartridge:
Characteristics: It has good antioxidant properties and is suitable for ozone resistant disinfection. Its filtering performance is stable and can effectively remove impurities and pollutants from liquids.
Application scenarios: commonly used for chemical liquid filtration, as well as some filtration scenarios that come into contact with oxidizing substances such as ozone. In the chemical industry, it is used for the filtration, purification, and other processes of various chemical solutions.
5. Nylon filter element:
Features: As a hydrophilic film nylon filter element, it does not require pre wetting and is easy to use. It has the characteristics of high strength and stable filtering accuracy, and can withstand large pressure and flow impact.
Application scenarios: Commonly used for filtering medicinal liquids and high-purity products, such as filtering oral and injection liquids in the pharmaceutical industry, as well as filtering chemical products with high purity requirements.
6. Fiberglass filter cartridge:
Features: The fiberglass filter element is made of fiberglass and has high filtration accuracy and pollutant holding capacity. It has high filtration efficiency and can effectively remove small particles, suspended solids, and other impurities. Meanwhile, glass fiber filter cartridges have good high temperature resistance and mechanical strength, and a long service life.
Application scenarios: Commonly used in industrial filtration applications that require high filtration accuracy and large flow rates, such as the filtration of condensate water in power plants and the filtration of ultrapure water in electronic chip manufacturing processes
Classified by structural form
1. Folding filter element:
Features: The foldable high flow filter adopts a folding structure, greatly increasing the filtration area and achieving efficient filtration in limited space. This structural design enables the filter element to have high filtration efficiency and can handle large flow rates of water or other liquids. At the same time, the folding filter cartridge has a high filtration accuracy, usually between 0.1 microns and 10 microns, which can effectively remove small particles and impurities.
Application scenarios: Widely used in various occasions that require high flow and high-precision filtering, such as the food and beverage industry, pharmaceutical industry, electronics industry, etc. In the food and beverage industry, it is used for filtering wine, juice, beverages, etc; In the pharmaceutical industry, it is used for filtering drugs, injection water, etc; In the electronics industry, it is used for the preparation of ultrapure water.
2. Melt blown filter element:
Features: Melt blown high flow filter element is a filter element made of filter material through melt blown process. This type of filter has high filtration accuracy and can effectively remove impurities and pollutants from liquids. The structure of the melt blown filter element is compact, with high strength, and can withstand certain pressure and flow impact.
Application scenarios: commonly used in household water purification equipment, small industrial filtration equipment, etc. In the field of household water purification, melt blown high flow filters can effectively remove impurities such as sediment, rust, and bacteria from tap water, providing clean and safe drinking water for households.
3. Wire wound filter element:
Features: The wire wound high flow filter element is made by wrapping textile fiber yarn around a porous skeleton. This filter element has good deep filtration effect and can effectively remove impurities such as particles and suspended solids in liquids. The wire wound filter element has strong dirt holding capacity, long service life, and can choose different fiber materials and winding densities according to needs to meet different filtration requirements.
Application scenario: Suitable for situations where filtering accuracy is not particularly high, but large flow rates and liquids containing many impurities need to be processed. For example, in fields such as sewage treatment plants and industrial wastewater treatment, wire wound high flow filter cartridges can be used for preliminary filtration to remove large particle impurities and suspended solids from wastewater, providing conditions for subsequent deep treatment.
4. Wedge mesh filter element:
Features: The wedge-shaped mesh filter is made of stainless steel wedge-shaped mesh, which has high strength and corrosion resistance. Its structure is a wedge-shaped filter screen, which can effectively filter large particle impurities and suspended solids in liquids, and has good self-cleaning ability, making it less prone to clogging.
Application scenarios: Commonly used for coarse filtration of liquids, such as pre-treatment of industrial water and grid filtration in wastewater treatment. In some situations where high requirements are placed on the strength and corrosion resistance of the filter element, wedge-shaped mesh filter elements have significant advantages.
Classified by filtering accuracy:
1. Coarse filter:
Characteristics: The filtration accuracy is generally above 100 microns, mainly used to remove larger particles and impurities in water, such as sediment, rust, and large suspended solids. The filter element structure of a coarse filter is relatively simple, usually using filter materials with larger pore sizes to ensure smooth passage of high flow water.
Application scenario: Commonly used in the pretreatment stage of water filtration systems, such as preliminary filtration of urban tap water, front-end filtration of industrial water, etc. In some situations where water quality requirements are not high but large particle impurities need to be quickly removed, coarse filters can play an important role.
2. Fine filter:
Features: The filtration accuracy is between 10 microns and 100 microns, and it can remove medium particle impurities in water, such as fine suspended solids, organic matter, microorganisms, etc. The filter element structure of a precision filter is relatively complex, usually using multiple layers of filtering materials to improve filtration accuracy and efficiency.
Application scenario: Suitable for occasions with high water quality requirements, such as process water in industrial production, production water in the food and beverage industry, etc. In these situations, fine filters can effectively remove impurities from water, ensuring product quality and smooth production processes.
3. Ultra precision filter:
Features: The filtration accuracy is between 1 micron and 10 microns, and even higher accuracy can be achieved. It can remove harmful substances such as small particles, impurities, bacteria, viruses, etc. from water. The filter element of the ultra precision filter adopts advanced filtering materials and technology, which has high filtration efficiency and reliability.
Application scenarios: Mainly used in situations where high water quality is required, such as electronic chip manufacturing, injection water in the pharmaceutical industry, and production of biological products. In these fields, ultra precision filters are key equipment to ensure product quality and production safety.
Classified by filtering accuracy:
1. Coarse filter:
Characteristics: The filtration accuracy is generally above 100 microns, mainly used to remove larger particles and impurities in water, such as sediment, rust, and large suspended solids. The filter element structure of a coarse filter is relatively simple, usually using filter materials with larger pore sizes to ensure smooth passage of high flow water.
Application scenario: Commonly used in the pretreatment stage of water filtration systems, such as preliminary filtration of urban tap water, front-end filtration of industrial water, etc. In some situations where water quality requirements are not high but large particle impurities need to be quickly removed, coarse filters can play an important role.
2. Fine filter:
Features: The filtration accuracy is between 10 microns and 100 microns, and it can remove medium particle impurities in water, such as fine suspended solids, organic matter, microorganisms, etc. The filter element structure of a precision filter is relatively complex, usually using multiple layers of filtering materials to improve filtration accuracy and efficiency.
Application scenario: Suitable for occasions with high water quality requirements, such as process water in industrial production, production water in the food and beverage industry, etc. In these situations, fine filters can effectively remove impurities from water, ensuring product quality and smooth production processes.
3. Ultra precision filter:
Features: The filtration accuracy is between 1 micron and 10 microns, and even higher accuracy can be achieved. It can remove harmful substances such as small particles, impurities, bacteria, viruses, etc. from water. The filter element of the ultra precision filter adopts advanced filtering materials and technology, which has high filtration efficiency and reliability.
Application scenarios: Mainly used in situations where high water quality is required, such as electronic chip manufacturing, injection water in the pharmaceutical industry, and production of biological products. In these fields, ultra precision filters are key equipment to ensure product quality and production safety.
Conclusion:
In summary, there are various classification methods for high flow filters, and different types of high flow filters have different characteristics and application scenarios. When choosing a high flow filter cartridge, it is necessary to comprehensively consider factors such as actual filtration needs, water quality, and usage environment to select the appropriate high flow filter cartridge, ensuring filtration efficiency and service life.
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