Hygienic Harmony Stainless Steel Sanitary Filter Housings Redefine Filtration
MBR membrane
The application and the effect of cooling water filter cartridge?
by：Lvyuan
2021-02-02
A, membrane filtration method and membrane type
membrane filtration filter methods including positive pressure and negative pressure filtration. Membrane filtration is the solute to solvent and smaller particles or molecules can pass a certain aperture of the membrane filter, large particles or molecules solute is not through, so that the larger particles or polymer material dehydration and desalting and enrichment, the bacteria, parasites and residue intercept of corrosion in the cooling system and achieved in addition to bacteria, bacteria, set the purpose of the residue. According to the size of the separation of material, the membrane filtration technology is divided into microfiltration ( MF) Ultrafiltration (, UF) And reverse osmosis ( RO) And nanofiltration ( NF) Etc. , in the industrial circulating cooling water system, the positive pressure is chosen mostly microfiltration ( MF) Separation, aperture choose 0. 05-2. 0 microns ( μm) Advisable, in a certain extent, the use and purpose of industrial circulating cooling water is cooling effect and the control precision of system service life and related instrument, does not need cooling water to pure water standard, so, filtering and processing efficiency and processing cost is a comprehensive index must be considered. Membrane filtration material made of polymer materials, such as cellulose ester, regenerated cellulose, polyamide, derivatives, polyacrylonitrile, polyvinyl alcohol, polypropylene, polyethylene, polyvinyl chloride, acrylonitrile/vinyl chloride copolymer, polycarbonate, ptfe, poly (vinylidene fluoride, etc. Membrane pore size unit to microns ( μm) Said the aperture specifications including 0. 025μm～5. 0 mu m range. A membrane component form is mainly: flat film, film, pipe and hollow fiber membrane, volume type. According to its USES for the hydrophilic and hydrophobic. The hydrophilic, such as cellulose acetate membrane ( CAM) , suitable for the solution of the particles and bacteria filtering and protein electrophoresis, etc. ; Hydrophobic, such as ptfe membrane ( PTFE) , suitable for the filtration of organic solvent, acid and alkali. Enterprises in determining the material quality and filtering method of filtration membrane, should according to the water quality characteristics of the circulating water cooling, and adopt multi-stage filtration, membrane pore size from big to small, from small to large filtration area, and then leave a sampling mouth between two filtering level and discharge sewage and sewage flushing device, and can reach the sewage discharge system working normally. In the case of conditional, set up small environment of closed membrane water purification system pressure washing system, can be in a relatively short time to reach the purpose of improving the efficiency of filtering.
2, membrane filtration development trend in the industrial circulating cooling water
industrial circulating cooling water, sewage, Waste) Water treatment is a big market of microfiltration applications, with the development of biological technology and biological technology and membrane filtration technology, membrane filtration of microfiltration technology in the application in the field of market is becoming more and more big. The research direction of industrial circulating cooling water filter is: ( 1) Cheap, generic membrane module. Existing membrane component price is on the high side, limiting the membrane technology in the circulating cooling water and sewage, Waste) Popularization and application in the field of water treatment and the huge potential market need low price of membrane module; ( 2) No pollution, easy to clean, long lifetime. Pollution is microfiltration membranes used in the main problem is that need to be addressed is quick elimination of pollutants and high separation filtration efficiency, less investment, low cost, wide application. Adapted to the environmental protection industry development is the focus of the research of high strength, long life, resistance to pollution, high flux of membrane material, membrane filtration material level and use more elaboration and specialty. And gradually improve the combination of different membrane filtration technology in application, so we can play to their respective characteristics, make greater technical and economic effect. Membrane filtration technology and the same time, it also used in combination with conventional water treatment technology, such as high pure water preparation, membrane filtration technology combined with ion exchange and conventional filtering technology, give full play to their respective advantages, to further improve the treatment effect, so that the water treatment cost fall further, to achieve the production cost and economic, reasonable operation rule.
industry with the rapid development of the water environment pollution is serious, the resulting shortage of water resources is a serious problem facing humanity. 80% is industrial wastewater, sewage and industrial wastewater is the main part of the industrial cooling water, industrial circulating cooling water system of scaling, corrosion and microbial breeding are interrelated and are ubiquitous. Dirt and microbial sticky mud can cause scaling and corrosion, and corrosion of circulating cooling system and form the dirt, causing a vicious cycle of pollutants to soar. Corrosion and microbial floc produced by lowering the efficiency of industrial circulating cooling water cooling, and cooling system of instruments, reduce the service life of pipeline device and the decrease of control accuracy. To solve the series of problems in circulating cooling water system, filter membrane separation technology is by far the most energy-efficient separation filter technology, people have already in seawater desalination, sol and mixture of separation and enrichment, remove heavy metal ions in industrial wastewater, drinking water purification, the respect such as the separation of proteins and enzymes, and show the different with the traditional technique of separation and filtration.
membrane filtration filter methods including positive pressure and negative pressure filtration. Membrane filtration is the solute to solvent and smaller particles or molecules can pass a certain aperture of the membrane filter, large particles or molecules solute is not through, so that the larger particles or polymer material dehydration and desalting and enrichment, the bacteria, parasites and residue intercept of corrosion in the cooling system and achieved in addition to bacteria, bacteria, set the purpose of the residue. According to the size of the separation of material, the membrane filtration technology is divided into microfiltration ( MF) Ultrafiltration (, UF) And reverse osmosis ( RO) And nanofiltration ( NF) Etc. , in the industrial circulating cooling water system, the positive pressure is chosen mostly microfiltration ( MF) Separation, aperture choose 0. 05-2. 0 microns ( μm) Advisable, in a certain extent, the use and purpose of industrial circulating cooling water is cooling effect and the control precision of system service life and related instrument, does not need cooling water to pure water standard, so, filtering and processing efficiency and processing cost is a comprehensive index must be considered. Membrane filtration material made of polymer materials, such as cellulose ester, regenerated cellulose, polyamide, derivatives, polyacrylonitrile, polyvinyl alcohol, polypropylene, polyethylene, polyvinyl chloride, acrylonitrile/vinyl chloride copolymer, polycarbonate, ptfe, poly (vinylidene fluoride, etc. Membrane pore size unit to microns ( μm) Said the aperture specifications including 0. 025μm～5. 0 mu m range. A membrane component form is mainly: flat film, film, pipe and hollow fiber membrane, volume type. According to its USES for the hydrophilic and hydrophobic. The hydrophilic, such as cellulose acetate membrane ( CAM) , suitable for the solution of the particles and bacteria filtering and protein electrophoresis, etc. ; Hydrophobic, such as ptfe membrane ( PTFE) , suitable for the filtration of organic solvent, acid and alkali. Enterprises in determining the material quality and filtering method of filtration membrane, should according to the water quality characteristics of the circulating water cooling, and adopt multi-stage filtration, membrane pore size from big to small, from small to large filtration area, and then leave a sampling mouth between two filtering level and discharge sewage and sewage flushing device, and can reach the sewage discharge system working normally. In the case of conditional, set up small environment of closed membrane water purification system pressure washing system, can be in a relatively short time to reach the purpose of improving the efficiency of filtering.
2, membrane filtration development trend in the industrial circulating cooling water
industrial circulating cooling water, sewage, Waste) Water treatment is a big market of microfiltration applications, with the development of biological technology and biological technology and membrane filtration technology, membrane filtration of microfiltration technology in the application in the field of market is becoming more and more big. The research direction of industrial circulating cooling water filter is: ( 1) Cheap, generic membrane module. Existing membrane component price is on the high side, limiting the membrane technology in the circulating cooling water and sewage, Waste) Popularization and application in the field of water treatment and the huge potential market need low price of membrane module; ( 2) No pollution, easy to clean, long lifetime. Pollution is microfiltration membranes used in the main problem is that need to be addressed is quick elimination of pollutants and high separation filtration efficiency, less investment, low cost, wide application. Adapted to the environmental protection industry development is the focus of the research of high strength, long life, resistance to pollution, high flux of membrane material, membrane filtration material level and use more elaboration and specialty. And gradually improve the combination of different membrane filtration technology in application, so we can play to their respective characteristics, make greater technical and economic effect. Membrane filtration technology and the same time, it also used in combination with conventional water treatment technology, such as high pure water preparation, membrane filtration technology combined with ion exchange and conventional filtering technology, give full play to their respective advantages, to further improve the treatment effect, so that the water treatment cost fall further, to achieve the production cost and economic, reasonable operation rule.
industry with the rapid development of the water environment pollution is serious, the resulting shortage of water resources is a serious problem facing humanity. 80% is industrial wastewater, sewage and industrial wastewater is the main part of the industrial cooling water, industrial circulating cooling water system of scaling, corrosion and microbial breeding are interrelated and are ubiquitous. Dirt and microbial sticky mud can cause scaling and corrosion, and corrosion of circulating cooling system and form the dirt, causing a vicious cycle of pollutants to soar. Corrosion and microbial floc produced by lowering the efficiency of industrial circulating cooling water cooling, and cooling system of instruments, reduce the service life of pipeline device and the decrease of control accuracy. To solve the series of problems in circulating cooling water system, filter membrane separation technology is by far the most energy-efficient separation filter technology, people have already in seawater desalination, sol and mixture of separation and enrichment, remove heavy metal ions in industrial wastewater, drinking water purification, the respect such as the separation of proteins and enzymes, and show the different with the traditional technique of separation and filtration.
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